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<li class="normal ajs-menu-item">
<a id="action-menu-link" class="action trigger ajs-menu-title" href="#"><span><span>Tools</span></span></a> <div class="assistive ajs-drop-down">
<ul id="action-menu-link-primary" class="section-primary first">
<li>
<a id="view-attachments-link" href="javascript:if(confirm(%27http://10.20.160.198/wiki/pages/viewpageattachments.action?pageId=6948817 \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://10.20.160.198/wiki/pages/viewpageattachments.action?pageId=6948817%27" tppabs="http://10.20.160.198/wiki/pages/viewpageattachments.action?pageId=6948817" class="action-view-attachments" accessKey="a" title="View Attachments">
<span><u>A</u>ttachments (0)</span></a> </li>
<li>
<a id="action-view-history-link" href="javascript:if(confirm(%27http://10.20.160.198/wiki/pages/viewpreviousversions.action?pageId=6948817 \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://10.20.160.198/wiki/pages/viewpreviousversions.action?pageId=6948817%27" tppabs="http://10.20.160.198/wiki/pages/viewpreviousversions.action?pageId=6948817" class="action-view-history" title="">
<span>Page History</span></a> </li>
<li>
<a id="action-page-permissions-link" href="javascript:if(confirm(%27http://10.20.160.198/wiki/pages/viewinfo.action?pageId=6948817 \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://10.20.160.198/wiki/pages/viewinfo.action?pageId=6948817%27" tppabs="http://10.20.160.198/wiki/pages/viewinfo.action?pageId=6948817" class="action-page-permissions" title="Edit restrictions">
<span>Restrictions</span></a> </li>
</ul>
<ul id="action-menu-link-secondary" class="section-secondary">
<li>
<a id="view-page-info-link" href="javascript:if(confirm(%27http://10.20.160.198/wiki/pages/viewinfo.action?pageId=6948817 \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://10.20.160.198/wiki/pages/viewinfo.action?pageId=6948817%27" tppabs="http://10.20.160.198/wiki/pages/viewinfo.action?pageId=6948817" class="action-view-info" title="">
<span>Info</span></a> </li>
<li>
<a id="link-to-page-link" href="javascript:if(confirm(%27http://10.20.160.198/wiki/pages/viewinfo.action?pageId=6948817 \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://10.20.160.198/wiki/pages/viewinfo.action?pageId=6948817%27" tppabs="http://10.20.160.198/wiki/pages/viewinfo.action?pageId=6948817" class="" title="Link to this Page">
<span>Link to this Page&hellip;</span></a> </li>
<li>
<a id="view-in-hierarchy-link" href="javascript:if(confirm(%27http://10.20.160.198/wiki/pages/listpages-dirview.action?key=dubbo&openId=6948817 \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://10.20.160.198/wiki/pages/listpages-dirview.action?key=dubbo&openId=6948817#selectedPageInHierarchy%27" tppabs="http://10.20.160.198/wiki/pages/listpages-dirview.action?key=dubbo&openId=6948817#selectedPageInHierarchy" class="" title="">
<span>View in Hierarchy</span></a> </li>
<li>
<a id="action-view-source-link" href="javascript:if(confirm(%27http://10.20.160.198/wiki/pages/viewpagesrc.action?pageId=6948817 \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://10.20.160.198/wiki/pages/viewpagesrc.action?pageId=6948817%27" tppabs="http://10.20.160.198/wiki/pages/viewpagesrc.action?pageId=6948817" class="action-view-source popup-link" title="">
<span>View Wiki Markup</span></a> </li>
</ul>
</div>
</li>
</ul>
</div>
<h1 id="title-heading" class="pagetitle" style="display: none">
<a href="javascript:if(confirm(%27http://10.20.160.198/wiki/display/dubbo \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://10.20.160.198/wiki/display/dubbo%27" tppabs="http://10.20.160.198/wiki/display/dubbo"><img class="logo space custom" src="dubbo-version=5&modificationDate=1320723683000.jpg" tppabs="http://10.20.160.198/wiki/download/attachments/6324241/dubbo?version=5&modificationDate=1320723683000" alt=""></a>
</h1>
<div id="content" class="page view">
<div id="link-to-page-fields" class="hidden parameters">
<input type="hidden" id="linkToThisPageHeading" value="Link to this Page">
<input type="hidden" id="linkToThisPageLink" value="Link">
<input type="hidden" id="linkToThisPageTinyLink" value="Tiny Link">
<input type="hidden" id="linkToThisPageWikiMarkup" value="Wiki Markup">
<input type="hidden" id="linkToThisPageClose" value="Close">
</div>
<fieldset class="hidden parameters">
<input type="hidden" title="movePageDialogViewPageTitle" value="Move Page &ndash; &#8216;FAQ-zh&#8217;">
<input type="hidden" title="movePageDialogEditPageTitle" value="Set Page Location">
<input type="hidden" title="movePageDialogMoveButton" value="Move">
<input type="hidden" title="movePageDialogCancelButton" value="Cancel">
<input type="hidden" title="movePageDialogBrowsePanelTip" value="Click to select the new parent page for this page and its children.">
<input type="hidden" title="movePageDialogSearchPanel" value="Search">
<input type="hidden" title="movePageDialogHistoryPanel" value="Recently Viewed">
<input type="hidden" title="movePageDialogHistoryNoResults" value="There were no recently viewed pages found.">
<input type="hidden" title="movePageDialogLocationPanel" value="Known Location">
<input type="hidden" title="movePageDialogLocationNotFound" value="The specified page was not found.">
<input type="hidden" title="movePageDialogBrowsePanel" value="Browse">
<input type="hidden" title="movePageDialogPanelLoadErrorMsg" value="Error reading the panel content from the server.">
<input type="hidden" title="movePageDialogPanelLoadErrorTip" value="You could try reloading the page and launching the dialog again.">
<input type="hidden" title="movePageDialogPanelLoadErrorStatus" value="HTTP Status">
<input type="hidden" title="movePageDialogNoSelectionErrorMsg" value="You must make a selection in the tree before you can move the page.">
<input type="hidden" title="movePageDialogSearchError" value="Failed to retrieve search results from the server.">
<input type="hidden" title="movePageDialogSearchNoResults" value="There were no pages found containing <b>{0}</b>.">
<input type="hidden" title="movePageDialogSearchResultCount" value="Showing <b>{0}</b>-<b>{1}</b> of <b>{2}</b> pages containing <b>{3}</b>.">
<input type="hidden" title="movePageDialogMoveFailed" value="Move failed. There was a problem contacting the server.">
<input type="hidden" title="movePageDialogCannotChangeSpace" value="You cannot move this page to another space because you do not have permission to remove it from this space.">
<input type="hidden" title="pageTitle" value="FAQ-zh"/>
<input type="hidden" title="parentPageTitle" value="Home-zh"/>
<input type="hidden" title="fromPageTitle" value=""/>
<input type="hidden" title="spaceKey" value="dubbo"/>
<input type="hidden" title="spaceName" value="Dubbo"/>
<input type="hidden" title="movePageDialogInvalidLocation" value="You cannot move a page to be underneath itself or its children."/>
<input type="hidden" title="movePageDialogOrderingTitle" value="Page Ordering"/>
<input type="hidden" title="movePageDialogBackButton" value="Back"/>
<input type="hidden" title="movePageDialogMoveAndOrderButton" value="Reorder"/>
<input type="hidden" title="movePageDialogNextButton" value="Move"/>
</fieldset>
<script type="text/x-template" title="movePageDialog">
<div class="row information">
<div class="inner">
<div class="element">
Specify the new parent page for this page and its children by space and title.
</div>
</div>
</div>
<div class="form">
<fieldset>
<legend class="assistive"><span>Change the Parent Page to a Known Page</span></legend>
<div class="row">
<label for="new-space">New space:</label>
<div class="value new-space-value">
<input id="new-space-key" name="new-space-key" type="hidden" value="dubbo">
<span class="space-input">
<input id="new-space" name="new-space" value="Dubbo" disabled="disabled">
</span>
<span class="description warning">You cannot move this page to another space because you do not have permission to remove it from this space.</span>
<div class="new-space-dropdown aui-dd-parent autocomplete"></div>
</div>
</div>
<div class="row">
<label for="new-parent-page">New parent page:</label>
<div class="value new-parent-page-value">
<span class="page-input">
<input id="new-parent-page" name="new-parent-page" value="Home-zh">
</span>
<span class="description">Start typing a page title to see a list of suggestions.</span>
<div class="new-parent-page-dropdown aui-dd-parent autocomplete"></div>
</div>
</div>
</fieldset>
</div>
<div class="location-info">
<div class="row">
<label>Current location:</label>
<div class="value breadcrumbs-container">
<div class="breadcrumbs-line">
<ul id="current-parent-breadcrumbs" class="breadcrumbs">
</ul>
</div>
</div>
</div>
<div class="row">
<label>New location:</label>
<div class="value breadcrumbs-container">
<div class="breadcrumbs-line">
<ul id="new-parent-breadcrumbs" class="breadcrumbs">
</ul>
</div>
</div>
</div>
</div>
</script>
<script type="text/x-template" title="movePageErrors">
<div id="move-errors" class="hidden warning"></div>
</script>
<script type="text/x-template" title="movePageBreadcrumb">
<li><a class="{2}" title="{3}" tabindex="-1"><span>{0}</span></a></li>
</script>
<script type="text/x-template" title="movePageBreadcrumbLoading">
<li class="loading"><span>Loading breadcrumbs&hellip;</span></li>
</script>
<script type="text/x-template" title="movePageBreadcrumbError">
<li class="warning last"><span>Error retrieving breadcrumbs.</span></li>
</script>
<script type="text/x-template" title="movePageNoMatchingPages">
<ol><li><span class="warning">No matching pages found.</span></li></ol>
</script>
<script type="text/x-template" title="movePageNoMatchingSpaces">
<ol><li><span class="warning">No matching spaces found.</span></li></ol>
</script>
<script type="text/x-template" title="movePageSearchPanel">
<div class="row information">
<div class="inner">
<div class="element">
Search for and select the new parent page for this page and its children.
</div>
</div>
</div>
<div id="move-page-search-container" class="row">
<div class="search-form">
<fieldset>
<legend class="assistive"><span>Search for a New Parent Page</span></legend>
<label for="move-page-search-query" class="assistive">Search keywords</label>
<input class="search-query" id="move-page-search-query">
<label for="move-page-search-space" class="assistive">Search in space</label>
<select id="move-page-search-space" class="search-space" disabled="disabled">
<option value="dubbo" selected="selected">Dubbo</option>
</select>
<input type="button" value="Search">
<div class="description warning">You cannot move this page to another space because you do not have permission to remove it from this space.</div>
</fieldset>
</div>
<div class="search-results">
</div>
</div>
</script>
<script type="text/x-template" title="movePageSearchResultsLoading">
<div class="searching">Searching…</div>
</script>
<script type="text/x-template" title="movePageHistoryPanel">
<div class="row information">
<div class="inner">
<div class="element">
Select the new parent page for this page and its children from your history.
</div>
</div>
</div>
<div id="move-page-search-container" class="row">
<div class="search-results">
</div>
</div>
</script>
<script type="text/x-template" title="movePageHistoryLoading">
<div class="searching">Loading…</div>
</script>
<script type="text/x-template" title="movePageBrowsePanel">
<div class="row information">
<div class="inner">
<div class="element">
Click to select the new parent page for this page and its children.
</div>
</div>
</div>
<div class="tree"></div>
</script>
<script type="text/x-template" title="movePagePanelLoading">
<span>Loading…</span>
</script>
<script type="text/x-template" title="movePageBrowsePanelSpace">
<ul><li id='tree-root-node-item' class='root-node-list-item'><a class='root-node' href='#'>{0}</a></li></ul>
</script>
<script type="text/x-template" title="orderingPagePanel">
<div id="orderingPlaceHolder"></div>
</script>
<script type="text/x-template" title="reorderCheckbox">
<span id="reorderRequirement"><input id="reorderCheck" type="checkbox" name="reorderFlag" title="Choose the position of this page within the list of child pages."/><label for="reorderCheck" title="Choose the position of this page within the list of child pages.">Reorder</label></span>
</script>
<script type="text/x-template" title="move-help-link">
<div class="dialog-help-link">
<a href="http://docs.atlassian.com/confluence/docs-35/Moving+a+Page" target="_blank">Help</a>
</div>
</script>
<script type="text/x-template" title="searchResultsGrid">
<table>
<thead>
<tr class="header">
<th class="search-result-title">Page Title</th>
<th class="search-result-space">Space</th>
<th class="search-result-date">Updated</th>
</tr>
</thead>
</table>
</script>
<script type="text/x-template" title="searchResultsGridCount">
<p class="search-result-count">{0}</p>
</script>
<script type="text/x-template" title="searchResultsGridRow">
<tr class="search-result">
<th class="search-result-title"><a href="{1}" class="content-type-{2}"><span>{0}</span></a></th>
<td class="search-result-space"><a class="space" href="http://10.20.160.198/wiki/display/{4}/" title="{3}">{3}</a></td>
<td class="search-result-date"><span class="date" title="{6}">{5}</span></td>
</tr>
</script>
<!-- Start restrictions section -->
<script type="text/x-template" title="page-permissions-div">
<div id="page-permissions-div">
<div id="page-permissions-editor-form">
<div id="page-permissions-error-div" class="hidden">
<a href="#" id="permissions-error-div-close">Ok</a>
<div></div>
</div>
<div id="page-permissions-type-radios" class="page-permissions-label-rows">
<div>
<input id="restrictViewRadio" type="radio" checked="checked" name="pagePermissionTypeRadio" value="view"/>
<label for="restrictViewRadio">Restrict viewing of this page</label>
<input id="restrictEditRadio" type="radio" name="pagePermissionTypeRadio" value="edit"/>
<label for="restrictEditRadio">Restrict editing of this page</label>
</div>
</div>
<div id="page-permissions-input" class="page-permissions-label-rows">
<div class="page-permissions-label">To:</div>
<div id="page-permissions-chooser-box">
<span id="page-permissions-choose-user" class="ajs-button">
<a href="#" id='userpicker-popup-link-image' onClick="var picker = window.open('http://10.20.160.198/wiki/spaces/openuserpicker.action?key=dubbo&startIndex=0&onPopupSubmit=AJS.PagePermissions.addUserPermissions', 'EntitiesPicker', 'status=yes,resizable=yes,top=100,left=200,width=700,height=680,scrollbars=yes'); picker.focus(); return false;"><img src="user_16.gif"/*tpa=http://10.20.160.198/wiki/s/en/2166/34/_/images/icons/user_16.gif*/ height=16 width=16 border=0 align="absmiddle" title="Choose users" /></a>
<a href="#" id='userpicker-popup-link-text' onClick="var picker = window.open('http://10.20.160.198/wiki/spaces/openuserpicker.action?key=dubbo&startIndex=0&onPopupSubmit=AJS.PagePermissions.addUserPermissions', 'EntitiesPicker', 'status=yes,resizable=yes,top=100,left=200,width=700,height=680,scrollbars=yes'); picker.focus(); return false;">Person...</a>
</span>
<span id="page-permissions-choose-group" class="ajs-button">
<a href="#" id='grouppicker-popup-link-image' onClick="var picker = window.open('http://10.20.160.198/wiki/spaces/opengrouppicker.action?key=dubbo&startIndex=0&actionName=dosearchgroups.action&onPopupSubmit=AJS.PagePermissions.addGroupPermissions', 'EntitiesPicker', 'status=yes,resizable=yes,top=100,left=200,width=580,height=550,scrollbars=yes'); picker.focus(); return false;"><img src="group_16.gif"/*tpa=http://10.20.160.198/wiki/s/en/2166/34/_/images/icons/group_16.gif*/ height=16 width=16 border=0 align="absmiddle" title="Choose groups" /></a>
<a href="#" id='grouppicker-popup-link-text' onClick="var picker = window.open('http://10.20.160.198/wiki/spaces/opengrouppicker.action?key=dubbo&startIndex=0&actionName=dosearchgroups.action&onPopupSubmit=AJS.PagePermissions.addGroupPermissions', 'EntitiesPicker', 'status=yes,resizable=yes,top=100,left=200,width=580,height=550,scrollbars=yes'); picker.focus(); return false;">Group...</a>
</span>
</div>
<div id="page-permissions-input-box">
<span>
<input type="text" id="page-permissions-names-input" class="input-placeholder" value="Enter user or group name" name="permissionNames" size="30" autocomplete="off"/>
</span>
<input
type="hidden"
id="page-permissions-names-hidden" /> <img height="16px" width="1px" src="spacer.gif"/*tpa=http://10.20.160.198/wiki/s/en/2166/34/_/images/border/spacer.gif*//>
<input type="button" id="add-typed-names" value="Restrict">
</div>
</div>
</div>
<div id="page-permissions-tables">
<div id="page-permissions-table-div">
<table id="page-permissions-table" class="page-permissions-table">
<tr id="page-permissions-no-views" class="marker-row">
<td colspan="3" class="page-permissions-marker-cell"><span>No view restrictions are defined for this page</span></td>
</tr>
<tr id="page-permissions-no-edits" class="marker-row">
<td colspan="3" class="page-permissions-marker-cell"><span>No edit restrictions are defined for this page</span></td>
</tr>
</table>
</div>
<div id="page-inherited-permissions-table-div" class="hidden">
<span id="page-inherited-permissions-table-desc">
<a class="icon twisty-closed">Show/Hide</a>
<a id="toggle-inherited-permissions" title="Click to see inherited restrictions">This page has restricted parent pages. It can only be seen by users who can see those parent pages.</a>
</span>
<div id="page-inherited-permissions-tables" class="hidden page-inheritance-togglable"></div>
</div>
</div>
</div>
</script>
<script type="text/x-template" title="permissions-row-template">
<tr class="permission-row">
<td class="page-permissions-marker-cell" width="20%">
<span>Viewing restricted to:</span>
</td>
<td class="permission-entity" nowrap="true" width="40%">
<span class="entity-container">
<img class="permission-entity-picture"/>
<span class="permission-entity-display-name"></span>
<span class="permission-entity-name-wrap">&nbsp;(<span class="permission-entity-name"></span>)</span>
</span>
</td>
<td class="permission-detail-column">
<div class="permission-remove-div">
<a href="#" class="remove-permission-link">Remove restriction</a>
</div>
</td>
</tr>
</script>
<script type="text/x-template" title="permissions-username-no-suggestion-template">
<ol>
<li><a href="#" class="message"><span>No matches</span></a></li>
</ol>
</script>
<script type="text/x-template" title="page-inherited-permissions-table-div-template">
<div class="page-inherited-permissions-owner-div">
<div class="page-inherited-permissions-table-desc">Viewing restrictions apply to “<a></a>”. In order to see “<span></span>”, a user must be in the following list of users and groups:</div>
<table class="page-permissions-table"></table>
</div>
</script>
<script type="text/x-template" title="page-restrictions-help-link">
<div class="dialog-help-link">
<a href="http://docs.atlassian.com/confluence/docs-35/Page+Restrictions" target="_blank">Help</a>
</div>
</script>
<!-- End restrictions section -->
<fieldset class="hidden parameters">
<input type="hidden" title="spaceKeyEncoded" value="dubbo">
<input type="hidden" title="spaceKeyDecoded" value="dubbo">
</fieldset>
<a href="#page-metadata-end" class="assistive">Skip to end of metadata</a>
<div id="page-metadata-start" class="assistive"></div>
<div class="page-metadata">
<ul>
<li class="page-metadata-item noprint">
<a id="content-metadata-page-restrictions" href="#" class="page-metadata-icon page-restrictions hidden" title="Page restrictions apply. Click the lock icon to view or edit the restriction.">
<span>Page restrictions apply</span></a> </li>
<li class="page-metadata-modification-info" style="display: none">
Added by <a href="javascript:if(confirm(%27http://10.20.160.198/wiki/display/~william.liangf \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://10.20.160.198/wiki/display/~william.liangf%27" tppabs="http://10.20.160.198/wiki/display/~william.liangf"
class="url fn confluence-userlink" data-username="william.liangf"
>梁 飞</a>, last edited by <a href="javascript:if(confirm(%27http://10.20.160.198/wiki/display/~william.liangf \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://10.20.160.198/wiki/display/~william.liangf%27" tppabs="http://10.20.160.198/wiki/display/~william.liangf"
class="url fn confluence-userlink" data-username="william.liangf"
>梁 飞</a> on 十一月 15, 2012
<span class="noprint">&nbsp;(<a id="view-change-link" href="javascript:if(confirm(%27http://10.20.160.198/wiki/pages/diffpages.action?pageId=6948817&originalId=7674561 \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://10.20.160.198/wiki/pages/diffpages.action?pageId=6948817&originalId=7674561%27" tppabs="http://10.20.160.198/wiki/pages/diffpages.action?pageId=6948817&originalId=7674561">view change</a>)</span>
</li>
</ul>
<div id="version-comment" class="noteMacro" style="display: none;">
<strong>Comment:</strong>
<br />
</div>
</div>
<a href="#page-metadata-start" class="assistive">Go to start of metadata</a>
<div id="page-metadata-end" class="assistive"></div>
<fieldset class="hidden parameters">
<input type="hidden" title="browsePageTreeMode" value="view">
<input type="hidden" title="parentPageId" value="6948805">
</fieldset>
<div class="wiki-content">
<!-- wiki content -->
<table class="sectionMacro" border="0" cellpadding="5" cellspacing="0" width="100%"><tbody><tr><td class="confluenceTd" valign="top"><p><br class="atl-forced-newline" /></p>
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<p><a href="FAQ.htm" tppabs="http://10.20.160.198/wiki/display/dubbo/FAQ" title="FAQ"><b>English</b></a> | 中文</p></td></tr></tbody></table>
<h1><a name="FAQ-zh-%E5%B8%B8%E8%A7%81%E9%97%AE%E9%A2%98%E8%A7%A3%E7%AD%94"></a>常见问题解答</h1>
<div>
<ul>
<li><a href='#FAQ-zh-1.%E5%A6%82%E6%9E%9C%E6%9C%8D%E5%8A%A1%E6%B3%A8%E5%86%8C%E4%B8%8D%E4%B8%8A%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>1. 如果服务注册不上怎么办?</a></li>
<li><a href='#FAQ-zh-2.%E5%87%BA%E7%8E%B0RpcException%3ANoprovideravailableforremoteservice%E5%BC%82%E5%B8%B8%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>2. 出现RpcException: No provider available for remote service异常怎么办?</a></li>
<li><a href='#FAQ-zh-3.%E5%87%BA%E7%8E%B0%E8%B0%83%E7%94%A8%E8%B6%85%E6%97%B6com.alibaba.dubbo.remoting.TimeoutException%E5%BC%82%E5%B8%B8%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>3. 出现调用超时com.alibaba.dubbo.remoting.TimeoutException异常怎么办?</a></li>
<li><a href='#FAQ-zh-4.%E5%87%BA%E7%8E%B0hessian%E5%BA%8F%E5%88%97%E5%8C%96%E5%A4%B1%E8%B4%A5com.caucho.hessian.client.HessianRuntimeException%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>4. 出现hessian序列化失败com.caucho.hessian.client.HessianRuntimeException怎么办?&lt; /h3&gt;</a></li>
<li><a href='#FAQ-zh-5.%E5%87%BA%E7%8E%B0Configurationproblem%3AUnabletolocateSpringNamespaceHandlerforXMLschemanamespace%5C'>5. 出现Configuration problem: Unable to locate Spring NamespaceHandler for XML schema namespace [http://repo.alibaba-inc.com/schema/dubbo]怎么办?</a></li>
<li><a href='#FAQ-zh-6.%E5%87%BA%E7%8E%B0%22%E6%B6%88%E6%81%AF%E5%8F%91%E9%80%81%E5%A4%B1%E8%B4%A5%22%E5%BC%82%E5%B8%B8%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>6. 出现"消息发送失败"异常怎么办?</a></li>
<li><a href='#FAQ-zh-7.%E5%87%BA%E7%8E%B0org.xml.sax.SAXParseException%3Acvcelt.1%3ACannotfindthedeclarationofelement%27beans%27%E5%BC%82%E5%B8%B8%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>7. 出现org.xml.sax.SAXParseException: cvc-elt.1: Cannot find the declaration of element 'beans'异常怎么办?</a></li>
<li><a href='#FAQ-zh-8.%E9%A1%B9%E7%9B%AE%E4%BE%9D%E8%B5%96%E7%9A%84%E4%B8%89%E6%96%B9%E5%BA%93%E4%B8%8EDubbo%E6%89%80%E4%BE%9D%E8%B5%96%E7%9A%84%E7%89%88%E6%9C%AC%E5%86%B2%E7%AA%81%E6%80%8E%E4%B9%88%E5%8A%9E%E3%80%82'>8. 项目依赖的三方库与Dubbo所依赖的版本冲突怎么办。</a></li>
<li><a href='#FAQ-zh-9.%E5%87%BA%E7%8E%B0java.util.concurrent.RejectedExecutionException%E6%88%96%E8%80%85Threadpoolexhausted%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>9. 出现java.util.concurrent.RejectedExecutionException或者Thread pool exhausted怎么办?</a></li>
<li><a href='#FAQ-zh-10.%E5%87%BA%E7%8E%B0com.alibaba.dubbo.registry.internal.rpc.exception.RpcLocalExceptionIoTargetIsNotConnected%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>10. 出现com.alibaba.dubbo.registry.internal.rpc.exception.RpcLocalExceptionIoTargetIsNotConnected怎么办?&lt; /h3&gt;</a></li>
<li><a href='#FAQ-zh-11.%E5%87%BA%E7%8E%B0Remoteserverreturnserror%3A%5C6%5C%2CGotinvocationexception%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>11. 出现Remote server returns error: [6], Got invocation exception怎么办?&lt; /h3&gt;</a></li>
<li><a href='#FAQ-zh-12.%E5%87%BA%E7%8E%B0Errorclosingconnection%2Ftbrclientjava.lang.NullPointerException%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>12. 出现Error closing connection/tbr-client java.lang.NullPointerException怎么办?</a></li>
<li><a href='#FAQ-zh-13.%E5%87%BA%E7%8E%B0org.springframework.beans.factory.BeanCreationException%3AErrorcreatingbeanwithname%27xxxService%27%3AInitializationofbeanfailed%3Bnestedexceptionisjava.lang.IllegalArgumentException%3AMethodmustnotbenull%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>13. 出现org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'xxxService': Initialization of bean failed; nested exception is java.lang.IllegalArgumentException: Method must not be null怎么办?</a></li>
<li><a href='#FAQ-zh-14.%E5%87%BA%E7%8E%B0Errorsettingpropertyvalues%3Bnestedexceptionisorg.springframework.beans.NotWritablePropertyException%3AInvalidproperty%27applicationName%27ofbeanclass%5Ccom.alibaba.dubbo.registry.internal....'>14. 出现Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'applicationName' of bean class [com.alibaba.dubbo.registry.internal.DefaultRegistryService]: Bean property 'applicationName' is not writable or has an invalid setter method.怎么办?</a></li>
<li><a href='#FAQ-zh-15.%E6%9C%8D%E5%8A%A1%E6%8F%90%E4%BE%9B%E8%80%85%E6%B2%A1%E6%8C%82%EF%BC%8C%E4%BD%86%E5%9C%A8%E6%B3%A8%E5%86%8C%E4%B8%AD%E5%BF%83%E9%87%8C%E7%9C%8B%E4%B8%8D%E5%88%B0%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>15. 服务提供者没挂,但在注册中心里看不到怎么办?</a></li>
<li><a href='#FAQ-zh-16.%E5%87%BA%E7%8E%B0ERRORmonitor.StatLog%5C%E6%8B%92%E7%BB%9D%E8%BF%9E%E6%8E%A5java.net.ConnectException%3A%E6%8B%92%E7%BB%9D%E8%BF%9E%E6%8E%A5com.alibaba.dubbo.monitor.StatLog.sendStatData%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>16. 出现ERROR monitor.StatLog -拒绝连接 java.net.ConnectException:拒绝连接 com.alibaba.dubbo.monitor.StatLog.sendStatData怎么办?</a></li>
<li><a href='#FAQ-zh-17.%E6%9C%8D%E5%8A%A1%E5%9C%B0%E5%9D%80%E5%87%BA%E7%8E%B0127.0.0.1%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>17. 服务地址出现127.0.0.1怎么办?</a></li>
<li><a href='#FAQ-zh-18.%E9%80%9A%E8%BF%87netstat%5Canp%E7%9C%8B%E5%88%B0%E8%BF%9E%E6%8E%A5%E7%9A%84%E6%B3%A8%E5%86%8C%E4%B8%AD%E5%BF%83%E5%92%8C%E9%85%8D%E7%BD%AE%E7%9A%84%E4%B8%8D%E4%B8%80%E6%A0%B7%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>18. 通过netstat -anp看到连接的注册中心和配置的不一样怎么办?</a></li>
<li><a href='#FAQ-zh-19.%E5%AE%A2%E6%88%B7%E7%AB%AF%E7%9A%84%E5%BC%82%E5%B8%B8%E4%BF%A1%E6%81%AF%E9%87%8C%E7%9A%84errorcode%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%3F'>19. 客户端的异常信息里的errorcode是什么意思?</a></li>
<li><a href='#FAQ-zh-20.%E5%87%BA%E7%8E%B0expectedstringat0%C3%9733java.lang.String%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>20. 出现expected string at 0×33 java.lang.String 怎么办?</a></li>
<li><a href='#FAQ-zh-23.%E8%8E%B7%E5%8F%96%E7%89%88%E6%9C%AC%E5%8F%B7%E5%87%BA%E7%8E%B0java.lang.NullPointerException%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>23. 获取版本号出现java.lang.NullPointerException怎么办?</a></li>
<li><a href='#FAQ-zh-24.%E4%BB%A5%E5%8F%8A%E9%85%8D%E7%BD%AE%E4%B8%AD%E5%A6%82%E4%BD%95%E4%BD%BF%E7%94%A8%E5%8D%A0%E4%BD%8D%E7%AC%A6%EF%BC%9F'>24. 以及配置中如何使用占位符?</a></li>
<li><a href='#FAQ-zh-25.%E4%BD%BF%E7%94%A8%E5%A4%9A%E4%B8%AA%E8%BF%9B%E7%A8%8B%E5%90%AF%E5%8A%A8%E6%9C%8D%E5%8A%A1%EF%BC%8C%E7%AB%AF%E5%8F%A3%E5%86%B2%E7%AA%81%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>25. 使用多个进程启动服务,端口冲突怎么办?</a></li>
<li><a href='#FAQ-zh-26.%E5%A6%82%E4%BD%95%E5%8A%A0%E8%BD%BDSpring%EF%BC%9F'>26. 如何加载Spring?</a></li>
<li><a href='#FAQ-zh-27.%E5%87%BA%E7%8E%B0org.xml.sax.SAXParseException%3Acvccomplextype.2.4.c%3AThematchingwildcardisstrict%2Cbutnodeclarationcanbefoundforelement%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>27. 出现org.xml.sax.SAXParseException: cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element怎么办?</a></li>
<li><a href='#FAQ-zh-28.%E5%87%BA%E7%8E%B0Couldnotdeserializeparameterinstance%2Cerroris%3AreadObject%3Aunexpectedendoffile%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>28. 出现Could not deserialize parameter instance, error is: readObject: unexpected end of file怎么办?</a></li>
<li><a href='#FAQ-zh-29.%E5%87%BA%E7%8E%B0java.net.SocketException%3AInvalidargument%3Asun.nio.ch.Net.setIntOption%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F'>29. 出现java.net.SocketException: Invalid argument: sun.nio.ch.Net.setIntOption怎么办?</a></li>
</ul></div>
<h3><a name="FAQ-zh-1.%E5%A6%82%E6%9E%9C%E6%9C%8D%E5%8A%A1%E6%B3%A8%E5%86%8C%E4%B8%8D%E4%B8%8A%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>1. 如果服务注册不上怎么办?</h3>
<p>(1) 检查dubbo的jar包有没有在classpath中,以及有没有重复的jar包<br/>
(2) 检查有没有重复的dubbo.properties配置文件<br/>
(3) 检查暴露服务的spring配置有没有加载<br/>
(4) 检查beanId或beanName有没有重复<br/>
(5) 查看有没有错误日志:<br/>
cat &#126;/output/logs/webx.log<br/>
(6) 在服务提供者机器上测试与注册中心的网络是否通:<br/>
telnet 172.22.3.94 9090<br/>
(7) 检查与注册中心的连接是否存在:<br/>
netstat &#45;anp &#124; grep 172.22.3.94<br/>
(8) 如果是预发布机,检查hosts文件有没有正确绑定:<br/>
cat /etc/hosts<br/>
(9) 实在不行,开启远程调试:<br/>
&#8211; (a) 在服务器JVM参数中加入:-Xdebug &#45;Xnoagent &#45;Djava.compiler=NONE &#45;Xrunjdwp:transport=dt_socket,address=7001,server=y,suspend=y<br/>
注意线上只有7001和8080可以被线下访问,调试端口需用这两个之一,因注册是启动时行为,启动时必需挂起suspend=y<br/>
&#8211; (b) 在dubbo源码的DefaultRegistryService的registerService()方法中设置断点。<br/>
&#8211; (c) 在Eclipse的Debug按钮下拉菜单Debug Configurations中的Remote Java Applications中新增远程调试,并设置IP和端口,以及增加dubbo的源码,进行远程Debug调试。</p>
<h3><a name="FAQ-zh-2.%E5%87%BA%E7%8E%B0RpcException%3ANoprovideravailableforremoteservice%E5%BC%82%E5%B8%B8%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>2. 出现RpcException: No provider available for remote service异常怎么办?</h3>
<p>表示没有可用的服务提供者,<br/>
1. 检查连接的注册中心是否正确<br/>
2. 到注册中心查看相应的服务提供者是否存在<br/>
3. 检查服务提供者是否正常运行</p>
<h3><a name="FAQ-zh-3.%E5%87%BA%E7%8E%B0%E8%B0%83%E7%94%A8%E8%B6%85%E6%97%B6com.alibaba.dubbo.remoting.TimeoutException%E5%BC%82%E5%B8%B8%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>3. 出现调用超时com.alibaba.dubbo.remoting.TimeoutException异常怎么办?</h3>
<p>通常是业务处理太慢,可在服务提供方执行:jstack PID &gt; jstack.log 分析线程都卡在哪个方法调用上,这里就是慢的原因。<br/>
如果不能调优性能,请将timeout设大。</p>
<h3><a name="FAQ-zh-4.%E5%87%BA%E7%8E%B0hessian%E5%BA%8F%E5%88%97%E5%8C%96%E5%A4%B1%E8%B4%A5com.caucho.hessian.client.HessianRuntimeException%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>4. 出现hessian序列化失败com.caucho.hessian.client.HessianRuntimeException怎么办?</h3>
<p>1. 检查服务方法的传入传出参数是否实现Serializable接口<br/>
2. 检查服务方法的传入传出参数是否继承了Number,Date,ArrayList,HashMap等hessian特殊化处理的类</p>
<h3><a name="FAQ-zh-5.%E5%87%BA%E7%8E%B0Configurationproblem%3AUnabletolocateSpringNamespaceHandlerforXMLschemanamespace%5C"></a>5. 出现Configuration problem: Unable to locate Spring NamespaceHandler for XML schema namespace [http://repo.alibaba-inc.com/schema/dubbo]怎么办?</h3>
<p>表示spring找不到&lt;dubbo:...&gt;配置的解析处理器。<br/>
通常是Dubbo的jar没有引入,请加入对Dubbo的依赖,或者是ClassLoader隔离,看是否有使用osgi或其它热加载机制。</p>
<h3><a name="FAQ-zh-6.%E5%87%BA%E7%8E%B0%22%E6%B6%88%E6%81%AF%E5%8F%91%E9%80%81%E5%A4%B1%E8%B4%A5%22%E5%BC%82%E5%B8%B8%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>6. 出现"消息发送失败"异常怎么办?</h3>
<p>通常是接口方法的传入传出参数未实现Serializable接口。</p>
<h3><a name="FAQ-zh-7.%E5%87%BA%E7%8E%B0org.xml.sax.SAXParseException%3Acvcelt.1%3ACannotfindthedeclarationofelement%27beans%27%E5%BC%82%E5%B8%B8%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>7. 出现org.xml.sax.SAXParseException: cvc-elt.1: Cannot find the declaration of element 'beans'异常怎么办?</h3>
<p>表示xsd加载失败,<br/>
1. 检查spring版本,如果是spring2.0版本,因为该版本不能读取jar包内xsd,会读取外网的xsd,而线上环境通常不允许访问外网,<br/>
可修改/etc/hosts加入:(已将spring的xsd放在公司内部的maven仓库中)</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<script type="syntaxhighlighter" class="theme: Confluence; brush: java; gutter: false"><![CDATA[10.20.133.138 repo.alibaba-inc.com www.springframework.org]]></script>
</div></div>
<p>spring2.5.x版本不存在此问题,可以考虑升级到2.5.x版本。<br/>
2. 检查有没有使用osgi的xsd,如果用了,需要将spring-osgi.jar及其依赖包加进来</p>
<h3><a name="FAQ-zh-8.%E9%A1%B9%E7%9B%AE%E4%BE%9D%E8%B5%96%E7%9A%84%E4%B8%89%E6%96%B9%E5%BA%93%E4%B8%8EDubbo%E6%89%80%E4%BE%9D%E8%B5%96%E7%9A%84%E7%89%88%E6%9C%AC%E5%86%B2%E7%AA%81%E6%80%8E%E4%B9%88%E5%8A%9E%E3%80%82"></a>8. 项目依赖的三方库与Dubbo所依赖的版本冲突怎么办。</h3>
<p>比如,项目使用的spring和commons.pool与dubbo冲突,<br/>
dubbo使用的是spring2.5和commons.pool1.4,<br/>
而项目中其它模块依赖的是spring2.0.1和commons.pool1.3。</p>
<p>1. 在Maven中,使用项目根pom.xml中的dependencyManagement版本仲裁解决:</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<script type="syntaxhighlighter" class="theme: Confluence; brush: xml; gutter: false"><![CDATA[&lt;dependencyManagement&gt;
&lt;dependencies&gt;
&lt;dependency&gt;
&lt;groupId&gt;com.alibaba.external&lt;/groupId&gt;
&lt;artifactId&gt;sourceforge.spring&lt;/artifactId&gt;
&lt;version&gt;2.0.1&lt;/version&gt;
&lt;/dependency&gt;
&lt;dependency&gt;
&lt;groupId&gt;com.alibaba.external&lt;/groupId&gt;
&lt;artifactId&gt;jakarta.commons.poolg&lt;/artifactId&gt;
&lt;version&gt;1.3&lt;/version&gt;
&lt;/dependency&gt;
&lt;/dependencies&gt;
&lt;/dependencyManagement&gt;]]></script>
</div></div>
<p>2. 在Antx中,使用项目根project.xml中版本仲裁解决:</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<script type="syntaxhighlighter" class="theme: Confluence; brush: xml; gutter: false"><![CDATA[&lt;projects name="thirdpart"&gt;
&lt;project id="sourceforge/spring" version="2.0.1"/&gt;
&lt;project id="jakarta/commons/pool" version="1.3"/&gt;
&lt;/projects&gt;]]></script>
</div></div>
<h3><a name="FAQ-zh-9.%E5%87%BA%E7%8E%B0java.util.concurrent.RejectedExecutionException%E6%88%96%E8%80%85Threadpoolexhausted%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>9. 出现java.util.concurrent.RejectedExecutionException或者Thread pool exhausted怎么办?</h3>
<p>RejectedExecutionException表示线程池已经达到最大值,并且没有空闲连,拒绝执行了一些任务。<br/>
Thread pool exhausted通常是min和max不一样大时,表示当前已创建的连接用完,进行了一次扩充,创建了新线程,但不影响运行。<br/>
原因可能是连接池不够用,请调整dubbo.properites中的:</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<script type="syntaxhighlighter" class="theme: Confluence; brush: java; gutter: false"><![CDATA[// 设成一样大,减少线程池收缩开销
dubbo.service.min.thread.pool.size=200
dubbo.service.max.thread.pool.size=200]]></script>
</div></div>
<p>配置项说明请参见:<a href="javascript:if(confirm(%27http://b2b-doc.alibaba-inc.com/pages/viewpage.action?pageId=40557470 \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://b2b-doc.alibaba-inc.com/pages/viewpage.action?pageId=40557470%27" tppabs="http://b2b-doc.alibaba-inc.com/pages/viewpage.action?pageId=40557470" class="external-link" rel="nofollow">配置参考手册</a><br/>
如果线程池已经有200,还不够,通常是业务处理占用线程时间过长,<br/>
需优化业务,可通过运行:<br/>
jstack 进程号 &gt; jstack.txt<br/>
分析当前大多数线程都在干什么,从而分析出哪个地方是瓶颈,<br/>
比如,如果大部分线程都在处理SQL,可能是数据库连接不够,或数据源配置错误,或SQL没走索引等。</p>
<h3><a name="FAQ-zh-10.%E5%87%BA%E7%8E%B0com.alibaba.dubbo.registry.internal.rpc.exception.RpcLocalExceptionIoTargetIsNotConnected%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>10. 出现com.alibaba.dubbo.registry.internal.rpc.exception.RpcLocalExceptionIoTargetIsNotConnected怎么办?</h3>
<p>1. 检查注册中心是否开启白名单功能,如果开启,当IP不在白名单列表中,注册中心将拒绝连接。<br/>
2. 检查端口是否正确,注册中心有两个端口,一个为控制台HTTP端口,用于管理员查看数据,一个为程序注册服务用的TCP端口。</p>
<h3><a name="FAQ-zh-11.%E5%87%BA%E7%8E%B0Remoteserverreturnserror%3A%5C6%5C%2CGotinvocationexception%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>11. 出现Remote server returns error: [6], Got invocation exception怎么办?</h3>
<p>此异常表示Dubbo框架调用服务提供者的实现方法失败,并且不是方法本身的业务异常。<br/>
通常是服务消费者和服务提供者的API签名不一致引起,或者提供方比消费方少此函数。<br/>
一般是服务增加方法,或修改了方法签名,而双方用的服务API的jar包不一致。</p>
<h3><a name="FAQ-zh-12.%E5%87%BA%E7%8E%B0Errorclosingconnection%2Ftbrclientjava.lang.NullPointerException%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>12. 出现Error closing connection/tbr-client java.lang.NullPointerException怎么办?</h3>
<p>如果服务提供者先关闭,当注册中心通知服务消费者后,服务消费者会再次关闭与服务提供者的连接,<br/>
而此时连接早已不存在,TBRemoting没有判断null,直接调用了close方法,所以会抛出空指针异常,<br/>
由于TBRemoting源码由taobao管理,暂时未解决此BUG,但不影响使用,可忽略。<br/>
Dubbo1.0.11-3以后版本已hack了taobao的代码,不存在此问题。</p>
<h3><a name="FAQ-zh-13.%E5%87%BA%E7%8E%B0org.springframework.beans.factory.BeanCreationException%3AErrorcreatingbeanwithname%27xxxService%27%3AInitializationofbeanfailed%3Bnestedexceptionisjava.lang.IllegalArgumentException%3AMethodmustnotbenull%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>13. 出现org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'xxxService': Initialization of bean failed; nested exception is java.lang.IllegalArgumentException: Method must not be null怎么办?</h3>
<p>通常是classpath下存在spring多个版本的jar包,排除掉不需要的spring包即可。</p>
<h3><a name="FAQ-zh-14.%E5%87%BA%E7%8E%B0Errorsettingpropertyvalues%3Bnestedexceptionisorg.springframework.beans.NotWritablePropertyException%3AInvalidproperty%27applicationName%27ofbeanclass%5Ccom.alibaba.dubbo.registry.internal...."></a>14. 出现Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'applicationName' of bean class [com.alibaba.dubbo.registry.internal.DefaultRegistryService]: Bean property 'applicationName' is not writable or has an invalid setter method.怎么办?</h3>
<p>出现类似的dubbo某个类的属性没有setter方法的异常,通常是classpath下有多个不同版本的dubbo的jar包,导致配置文件与类不匹配。<br/>
可以在程序中运行下面的代码发现重复的类或jar包:(代码中的类名视具体冲突而定)</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<script type="syntaxhighlighter" class="theme: Confluence; brush: java; gutter: false"><![CDATA[Enumeration&lt;URL&gt; urls = Thread.currentThread().getContextClassLoader().getResources("com/alibaba/dubbo/registry/internal/DefaultRegistryService.class");
while (urls.hasMoreElements()) {
URL url = urls.nextElement();
System.out.println("&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;" + url.getFile());
}]]></script>
</div></div>
<h3><a name="FAQ-zh-15.%E6%9C%8D%E5%8A%A1%E6%8F%90%E4%BE%9B%E8%80%85%E6%B2%A1%E6%8C%82%EF%BC%8C%E4%BD%86%E5%9C%A8%E6%B3%A8%E5%86%8C%E4%B8%AD%E5%BF%83%E9%87%8C%E7%9C%8B%E4%B8%8D%E5%88%B0%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>15. 服务提供者没挂,但在注册中心里看不到怎么办?</h3>
<p>首先,确认服务提供者是否连接了正确的注册中心,不只是检查配置中的注册中心地址,而且要检查实际的网络连接。<br/>
其次,看服务提供者是否非常繁忙,比如压力测试,以至于没有CPU片段向注册中心发送心跳,这种情况,减小压力,将自动恢复。</p>
<h3><a name="FAQ-zh-16.%E5%87%BA%E7%8E%B0ERRORmonitor.StatLog%5C%E6%8B%92%E7%BB%9D%E8%BF%9E%E6%8E%A5java.net.ConnectException%3A%E6%8B%92%E7%BB%9D%E8%BF%9E%E6%8E%A5com.alibaba.dubbo.monitor.StatLog.sendStatData%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>16. 出现ERROR monitor.StatLog &#45;拒绝连接 java.net.ConnectException:拒绝连接 com.alibaba.dubbo.monitor.StatLog.sendStatData怎么办?</h3>
<p>监控中心不可用,发送统计信息失败,不影响调用,但将丢失统计信息。</p>
<h3><a name="FAQ-zh-17.%E6%9C%8D%E5%8A%A1%E5%9C%B0%E5%9D%80%E5%87%BA%E7%8E%B0127.0.0.1%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>17. 服务地址出现127.0.0.1怎么办?</h3>
<p>Dubbo1.0.7以后版本不存在此问题,当发现本机IP为127.0.0.1时,将遍历所有网卡查找有效IP。<br/>
之前版本处理方式:<br/>
正确配置的IP映射,Linux下为/etc/hosts,Windows下为C:/WINDOWS/system32/drivers/etc/hosts<br/>
假设:ifconfig命令行结果为10.20.130.230,hostname命令行结果为test2,<br/>
则配置为:</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<script type="syntaxhighlighter" class="theme: Confluence; brush: java; gutter: false"><![CDATA[127.0.0.1 localhost
10.20.130.230 test2]]></script>
</div></div>
<h3><a name="FAQ-zh-18.%E9%80%9A%E8%BF%87netstat%5Canp%E7%9C%8B%E5%88%B0%E8%BF%9E%E6%8E%A5%E7%9A%84%E6%B3%A8%E5%86%8C%E4%B8%AD%E5%BF%83%E5%92%8C%E9%85%8D%E7%BD%AE%E7%9A%84%E4%B8%8D%E4%B8%80%E6%A0%B7%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>18. 通过netstat &#45;anp看到连接的注册中心和配置的不一样怎么办?</h3>
<p>检查classpath下是否存在两个dubbo.properties文件:</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<script type="syntaxhighlighter" class="theme: Confluence; brush: java; gutter: false"><![CDATA[Enumeration&lt;URL&gt; urls = Thread.currentThread().getContextClassLoader().getResources("dubbo.properties");
while (urls.hasMoreElements()) {
URL url = urls.nextElement();
System.out.println("&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;" + url.getFile());
}]]></script>
</div></div>
<h3><a name="FAQ-zh-19.%E5%AE%A2%E6%88%B7%E7%AB%AF%E7%9A%84%E5%BC%82%E5%B8%B8%E4%BF%A1%E6%81%AF%E9%87%8C%E7%9A%84errorcode%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%3F"></a>19. 客户端的异常信息里的errorcode是什么意思?</h3>
<p>如Remote server returns error: [6], Got invocation exception<br/>
1 &#8212; 收到消息的时候线程池拒绝处理<br/>
2 &#8212; 服务提供者端未能根据服务名找到相应服务<br/>
3 &#8212; 该服务调用时,服务提供者端不能加载参数类型对应的class<br/>
4 &#8212; 参数不能被正确的反序列化<br/>
5 &#8212; 不能正确从Class中create该调用所指示的方法<br/>
6 &#8212; 不能正确调用该方法</p>
<h3><a name="FAQ-zh-20.%E5%87%BA%E7%8E%B0expectedstringat0%C3%9733java.lang.String%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>20. 出现expected string at 0×33 java.lang.String 怎么办?</h3>
<p>这是Hessian3.2.1的一个BUG,Dubbo内部使用Hessian3.2.1做序列化,升级到Dubbo1.0.14以上版本,已解决此问题。<br/>
具体原因参见:<br/>
<a href="javascript:if(confirm(%27http://pt.alibaba-inc.com/wp/experience_929/hessian-big-string-serialize-problems.html \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://pt.alibaba-inc.com/wp/experience_929/hessian-big-string-serialize-problems.html%27" tppabs="http://pt.alibaba-inc.com/wp/experience_929/hessian-big-string-serialize-problems.html" class="external-link" rel="nofollow">http://pt.alibaba-inc.com/wp/experience_929/hessian-big-string-serialize-problems.html</a></p>
<h4><a name="FAQ-zh-21.%E9%A2%84%E5%8F%91%E5%B8%83%E7%8E%AF%E5%A2%83%EF%BC%8C%E5%9C%A8%E6%9C%AC%E5%9C%B0%E7%9A%84%2Fetc%2Fhosts%E6%96%87%E4%BB%B6%E4%BD%9C%E4%BA%86%E5%AF%B9%E6%B3%A8%E5%86%8C%E4%B8%AD%E5%BF%83%E7%9A%84%E7%BB%91%E5%AE%9A%EF%BC%8C%E4%B8%BA%E4%BB%80%E4%B9%88%E6%9C%8D%E5%8A%A1%E8%BF%98%E6%98%AF%E6%B3%A8%E5%86%8C%E5%88%B0%E7%94%9F%E4%BA%A7%E7%8E%AF%E5%A2%83%E7%9A%84%E6%B3%A8%E5%86%8C%E4%B8%AD%E5%BF%83%EF%BC%9F"></a>21. 预发布环境,在本地的/etc/hosts文件作了对注册中心的绑定,为什么服务还是注册到生产环境的注册中心?</h4>
<p>antx.properties中配置的 dubbo.registry.address = dubbo-reg1.hst.xyi.cn.alidc.net dubbo-reg2.hst.xyi.cn.alidc.net dubbo-reg3.hst.xyi.cn.alidc.net dubbo-reg4.hst.xyi.cn.alidc.net<br/>
而/etc/hosts里的绑定如下:<br/>
172.22.14.13 dubbo-reg1.hst.xyi.cn.alidc.net dubbo-reg2.hst.xyi.cn.alidc.net<br/>
两边的不一致,导致该问题出现。<br/>
将绑定修改为:172.22.14.13 dubbo-reg1.hst.xyi.cn.alidc.net dubbo-reg2.hst.xyi.cn.alidc.net dubbo-reg3.hst.xyi.cn.alidc.net dubbo-reg4.hst.xyi.cn.alidc.net 即可!</p>
<h4><a name="FAQ-zh-22.%E6%B3%A8%E5%86%8C%E4%B8%AD%E5%BF%83%E4%B8%8A%E6%9C%8D%E5%8A%A1%E6%98%AF%E5%AD%98%E5%9C%A8%E7%9A%84%EF%BC%8C%E4%B8%BA%E4%BB%80%E4%B9%88%E6%8A%A5%E6%89%BE%E4%B8%8D%E5%88%B0%E6%9C%8D%E5%8A%A1%E7%9A%84%E9%94%99%E8%AF%AF%EF%BC%9F"></a>22. 注册中心上服务是存在的,为什么报找不到服务的错误?</h4>
<p>报错信息: Caused by: com.alibaba.dubbo.rpc.RpcException: No invoker available for remote service com.alibaba.china.album.service.IBankNewPicService:1.0.0, servers: []</p>
<p>注册中心上看到的服务提供者提供的服务地址是:dubbo://172.29.61.76:55372?version=1.0.0&amp;group=ibank&amp;dubbo=1.0.0&amp;application=ibank<br/>
原因:服务提供者配置了group属性,默认的路由规则是 服务名= group/serviceName。<br/>
对这个服务,根据默认的路由规则,消费者消费的服务名应该是 ibank/com.alibaba.china.album.service.IBankNewPicService:1.0.0</p>
<h3><a name="FAQ-zh-23.%E8%8E%B7%E5%8F%96%E7%89%88%E6%9C%AC%E5%8F%B7%E5%87%BA%E7%8E%B0java.lang.NullPointerException%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>23. 获取版本号出现java.lang.NullPointerException怎么办?</h3>
<p>java.lang.NullPointerException<br/>
at com.alibaba.dubbo.classic.DubboVersion.getVersion<br/>
这个只有1.0.14和1.0.14-2存在的问题,在获取版本时静态字段初始化顺序不对,不影使用,可忽略,升级为1.0.15以上版本不再会有该问题。</p>
<h3><a name="FAQ-zh-24.%E4%BB%A5%E5%8F%8A%E9%85%8D%E7%BD%AE%E4%B8%AD%E5%A6%82%E4%BD%95%E4%BD%BF%E7%94%A8%E5%8D%A0%E4%BD%8D%E7%AC%A6%EF%BC%9F"></a>24. 以及配置中如何使用占位符?</h3>
<p><font color="gray"><em>注:此为Spring的标准功能,仅在此提示使用方式,不属于Dubbo范畴。</em></font></p>
<p>使用Spring自带的PropertyPlaceholderConfigurer实现properties配置:</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<script type="syntaxhighlighter" class="theme: Confluence; brush: xml; gutter: false"><![CDATA[xxx=10.20.130.230:9090
yyy=morgan]]></script>
</div></div>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<script type="syntaxhighlighter" class="theme: Confluence; brush: xml; gutter: false"><![CDATA[&lt;?xml version="1.0" encoding="UTF-8"?&gt;
&lt;beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:dubbo="http://repo.alibaba-inc.com/schema/dubbo"
xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://repo.alibaba-inc.com/schema/dubbohttp://repo.alibaba-inc.com/schema/dubbo/dubbo-component.xsd"&gt;
&lt;!-- 使用Spring自带的占位符替换功能 --&gt;
&lt;bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"&gt;
&lt;!-- 指定properties配置所在位置 --&gt;
&lt;property name="location" value="classpath:xxx.properties" /&gt;
&lt;/bean&gt;
&lt;!-- 使用${}引用配置项 --&gt;
&lt;dubbo:registry address="${xxx}" application="${yyy}" /&gt;
&lt;/beans&gt;]]></script>
</div></div>
<h3><a name="FAQ-zh-25.%E4%BD%BF%E7%94%A8%E5%A4%9A%E4%B8%AA%E8%BF%9B%E7%A8%8B%E5%90%AF%E5%8A%A8%E6%9C%8D%E5%8A%A1%EF%BC%8C%E7%AB%AF%E5%8F%A3%E5%86%B2%E7%AA%81%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>25. 使用多个进程启动服务,端口冲突怎么办?</h3>
<p><font color="gray"><em>注:此为Spring的标准功能,仅在此提示使用方式,不属于Dubbo范畴。</em></font></p>
<p>使用Spring自带的PropertyPlaceholderConfigurer的SYSTEM_PROPERTIES_MODE_OVERRIDE实现通过-D参数设置端口:</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<script type="syntaxhighlighter" class="theme: Confluence; brush: xml; gutter: false"><![CDATA[java -Ddubbo.service.server.port=20881]]></script>
</div></div>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<script type="syntaxhighlighter" class="theme: Confluence; brush: xml; gutter: false"><![CDATA[&lt;?xml version="1.0" encoding="UTF-8"?&gt;
&lt;beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:dubbo="http://repo.alibaba-inc.com/schema/dubbo"
xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://repo.alibaba-inc.com/schema/dubbohttp://repo.alibaba-inc.com/schema/dubbo/dubbo-component.xsd"&gt;
&lt;!-- 使用Spring自带的占位符替换功能 --&gt;
&lt;bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"&gt;
&lt;!-- 系统-D参数覆盖 --&gt;
&lt;property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE" /&gt;
&lt;!-- 指定properties配置所在位置 --&gt;
&lt;property name="location" value="classpath:xxx.properties" /&gt;
&lt;/bean&gt;
&lt;!-- 使用${}引用配置项 --&gt;
&lt;dubbo:provider port="${dubbo.service.server.port}" /&gt;
&lt;/beans&gt;]]></script>
</div></div>
<h3><a name="FAQ-zh-26.%E5%A6%82%E4%BD%95%E5%8A%A0%E8%BD%BDSpring%EF%BC%9F"></a>26. 如何加载Spring?</h3>
<p><font color="gray"><em>注:此为Spring的标准功能,仅在此提示使用方式,不属于Dubbo范畴。</em></font></p>
<p><b>1. 基于ClassPath加载:</b></p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<script type="syntaxhighlighter" class="theme: Confluence; brush: java; gutter: false"><![CDATA[ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(new String[}{"http://10.20.160.198/wiki/display/dubbo/service.xml"});
context.start();]]></script>
</div></div>
<p><b>2. 基于文件系统加载:</b></p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<script type="syntaxhighlighter" class="theme: Confluence; brush: java; gutter: false"><![CDATA[FileSystemXmlApplicationContext context = new FileSystemXmlApplicationContext(new String[}{"http://10.20.160.198/home/xxx/service.xml"});
context.start();]]></script>
</div></div>
<p><b>3. 基于Web容器加载:</b>(WEB-INF/web.xml)</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
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&lt;web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_4.xsd"
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&lt;context-param&gt;
&lt;param-name&gt;contextConfigLocation&lt;/param-name&gt;
&lt;param-value&gt;classpath:service.xml&lt;/param-value&gt;
&lt;/context-param&gt;
&lt;listener&gt;
&lt;listener-class&gt;org.springframework.web.context.ContextLoaderListener&lt;/listener-class&gt;
&lt;/listener&gt;
&lt;/web-app&gt;]]></script>
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<h3><a name="FAQ-zh-27.%E5%87%BA%E7%8E%B0org.xml.sax.SAXParseException%3Acvccomplextype.2.4.c%3AThematchingwildcardisstrict%2Cbutnodeclarationcanbefoundforelement%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>27. 出现org.xml.sax.SAXParseException: cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element怎么办?</h3>
<p>通常是在用Dubbo1.0的jar包,却用了Dubbo2.0才支持的&lt;dubbo:registry&gt; &lt;dubbo:application&gt; &lt;dubbo:provider&gt; &lt;dubbo:consumer&gt;或2.0才支持的属性。</p>
<h3><a name="FAQ-zh-28.%E5%87%BA%E7%8E%B0Couldnotdeserializeparameterinstance%2Cerroris%3AreadObject%3Aunexpectedendoffile%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>28. 出现Could not deserialize parameter instance, error is: readObject: unexpected end of file怎么办?</h3>
<p>通常是消费方或提供方的内存不足,导致buffer不能分配,使发送到一半的请求被中断了。<br/>
也可能是网络抖动,导致传输流被中断。</p>
<h3><a name="FAQ-zh-29.%E5%87%BA%E7%8E%B0java.net.SocketException%3AInvalidargument%3Asun.nio.ch.Net.setIntOption%E6%80%8E%E4%B9%88%E5%8A%9E%EF%BC%9F"></a>29. 出现java.net.SocketException: Invalid argument: sun.nio.ch.Net.setIntOption怎么办?</h3>
<p>通常是Windows Vista和Windows7的JDK1.6的部分版本存在BUG:<br/>
<a href="javascript:if(confirm(%27https://issues.apache.org/jira/browse/DIRMINA-379 \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27https://issues.apache.org/jira/browse/DIRMINA-379%27" tppabs="https://issues.apache.org/jira/browse/DIRMINA-379" class="external-link" rel="nofollow">https://issues.apache.org/jira/browse/DIRMINA-379</a><br/>
可以换换JDK版本试试。</p>
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<p class="date" title="三月 30, 2012 00:11">
三月 30, 2012
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<h4 class="author">Anonymous</h4>
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<p>你好,如果项目中的spring使用的版本是3.1.1,如何解决?</p>
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<p class="date" title="五月 17, 2012 16:25">
五月 17, 2012
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<h4 class="author">Anonymous</h4>
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<p>同问</p>
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<p class="date" title="六月 15, 2012 21:01">
六月 15, 2012
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<h4 class="author"><a href="javascript:if(confirm(%27http://10.20.160.198/wiki/display/~william.liangf \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://10.20.160.198/wiki/display/~william.liangf%27" tppabs="http://10.20.160.198/wiki/display/~william.liangf"
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>梁 飞</a></h4>
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<p>可以用Spring3。</p>
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<p class="date" title="四月 16, 2012 17:17">
四月 16, 2012
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<h4 class="author">Anonymous</h4>
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<p> 您好,学习了一下dubbo是个非常优秀的产品,请问dubbo如何实现PHP作为消费者作为SOA集成?</p>
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<p class="date" title="八月 01, 2012 20:43">
八月 01, 2012
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<p>同问</p>
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<p class="date" title="八月 02, 2012 12:47">
八月 02, 2012
</p>
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>梁 飞</a></h4>
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<p>暂不支持PHP,可以先用webservice等跨语言协议通讯。</p>
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<p class="date" title="八月 26, 2013 14:33">
八月 26, 2013
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<h4 class="author">Anonymous</h4>
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<p>php也要从ZK等注册中心拿到提供者地址才行吧?</p>
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<p class="date" title="七月 24, 2012 16:42">
七月 24, 2012
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<h4 class="author">Anonymous</h4>
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<p>请问admin系统的用户名和密码是什么?</p>
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<p class="date" title="八月 02, 2012 12:52">
八月 02, 2012
</p>
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<h4 class="author"><a href="javascript:if(confirm(%27http://10.20.160.198/wiki/display/~william.liangf \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://10.20.160.198/wiki/display/~william.liangf%27" tppabs="http://10.20.160.198/wiki/display/~william.liangf"
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>梁 飞</a></h4>
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<p>文档上有写,root/root, guest/guest, 可以配置,参见:<a href="Administrator+Guide-zh.htm#AdministratorGuide-zh-%E7%AE%A1%E7%90%86%E6%8E%A7%E5%88%B6%E5%8F%B0%E5%AE%89%E8%A3%85" tppabs="http://10.20.160.198/wiki/display/dubbo/Administrator+Guide-zh#AdministratorGuide-zh-%E7%AE%A1%E7%90%86%E6%8E%A7%E5%88%B6%E5%8F%B0%E5%AE%89%E8%A3%85">管理控制台安装</a></p>
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<p class="date" title="八月 28, 2012 20:17">
八月 28, 2012
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<h4 class="author">Anonymous</h4>
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<p>Heck yeah bay-bee keep them coinmg!</p>
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<p class="date" title="八月 29, 2012 20:07">
八月 29, 2012
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<p>wEaJfM &lt;a href="http://upzfwwanmfjy.com/"&gt;upzfwwanmfjy&lt;/a&gt;</p>
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<p class="date" title="九月 01, 2012 04:09">
九月 01, 2012
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<p>R2Q3kp , <span class="error">&#91;url=http://hnzzxaqtqpyi.com/&#93;</span>hnzzxaqtqpyi<span class="error">&#91;/url&#93;</span>, <span class="error">&#91;link=http://awrlzefakpuf.com/&#93;</span>awrlzefakpuf<span class="error">&#91;/link&#93;</span>, <a href="javascript:if(confirm(%27http://fkzcazlkicrn.com/ \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://fkzcazlkicrn.com/%27" tppabs="http://fkzcazlkicrn.com/" class="external-link" rel="nofollow">http://fkzcazlkicrn.com/</a></p>
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<p class="date" title="八月 02, 2012 18:28">
八月 02, 2012
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<h4 class="author">Anonymous</h4>
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<p>请问 用用户管理界面后 禁用某个consumer后 通过zookeeper注册中心调用 返回为null 是什么原因 还有cache存在多久? 谢谢</p>
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<p class="date" title="八月 07, 2012 10:27">
八月 07, 2012
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<h4 class="author"><a href="javascript:if(confirm(%27http://10.20.160.198/wiki/display/~william.liangf \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://10.20.160.198/wiki/display/~william.liangf%27" tppabs="http://10.20.160.198/wiki/display/~william.liangf"
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>梁 飞</a></h4>
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<p>“禁用”消费者,调用会抛出被禁用异常,“屏蔽”消费者,调用会返回null。</p>
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<p class="date" title="八月 03, 2012 10:37">
八月 03, 2012
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<h4 class="author">Anonymous</h4>
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<p>请问安装简易监控中心后application和service等都正常,就是charts总是显示0是怎么回事?谢谢</p>
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<p class="date" title="八月 07, 2012 10:52">
八月 07, 2012
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<h4 class="author"><a href="javascript:if(confirm(%27http://10.20.160.198/wiki/display/~william.liangf \n\nThis file was not retrieved by Teleport Ultra, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?%27))window.location=%27http://10.20.160.198/wiki/display/~william.liangf%27" tppabs="http://10.20.160.198/wiki/display/~william.liangf"
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<p>请确保charts目录在jetty的目录内,否则页面访问不到。</p>
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<p class="date" title="十二月 27, 2012 18:12">
十二月 27, 2012
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<h4 class="author">Anonymous</h4>
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<p>charts目录必须放在jetty.directory下,否则页面上访问不了。<br/>
请问一下 上面这句话怎么理解 jetty.directory在哪找 <br/>
安装简易监控中心 没有这个目录啊 还是说要安装jetty这个web服务<br/>
指点一下,你们的文档说得太简单了</p>
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<p class="date" title="七月 25, 2013 17:07">
七月 25, 2013
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<h4 class="author">Anonymous</h4>
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<p>同求 jetty.directory 目录位置</p>
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<p class="date" title="八月 06, 2012 23:39">
八月 06, 2012
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<p>你好:</p>
<p> 我在grails插件中用groovy动态配置bean的方式配置dubbo</p>
<p> xmlns dubbo: "http://code.alibabatech.com/schema/dubbo"<br/>
dubbo.application(name: 'demo') </p>
<p>在dubbo 2.4.x 下测试发生如下异常,而在dubbo 2.0.x 下测试是正常的</p>
<p>异常信息(没有详细原因):</p>
<p>Caused by NotWritablePropertyException: Invalid property 'parameters' of bean class <span class="error">&#91;com.alibaba.dubbo.config.ApplicationConfig&#93;</span>: Bean property 'parameters' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter?</p>
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<p class="date" title="八月 13, 2012 14:21">
八月 13, 2012
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<p>在使用dubbo发布webservice服务的时候使用 main方法启动报:ref not allow null!<br/>
provider的配置:<br/>
&lt;dubbo:application name="hello-world-app" /&gt; <br/>
&lt;dubbo:registry address="multicast://224.5.6.7:1234" /&gt; <br/>
&lt;dubbo:provider protocol="webservice" /&gt;<br/>
&lt;dubbo:service protocol="webservice" interface="com.dubbo.example.DemoService"/&gt;<br/>
&lt;dubbo:protocol id="webservice1" name="webservice" port="8080" /&gt; <br/>
&lt;dubbo:reference id="helloService" interface="HelloWorld" url="webservice://127.0.0.1:8080/com.dubbo.example.DemoService" /&gt;</p>
<p>这是什么问题啦</p>
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<p class="date" title="九月 12, 2012 11:52">
九月 12, 2012
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<p>(dubbo)请问下用错误的地址和端口做了个回声测试,后台不停重连接,有没有什么解决办法?<br/>
java.net.ConnectException: Connection refused: no further information<br/>
&nbsp;at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)<br/>
&nbsp;at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:574)<br/>
&nbsp;at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1119)</p>
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<img class="userLogo logo anonymous" src="anonymous.png" tppabs="http://10.20.160.198/wiki/s/en/2166/34/_/images/icons/profilepics/anonymous.png"
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<p class="date" title="九月 12, 2012 11:56">