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| gitHub |
| <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav> <ul class="sidebar-links"><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>IoTDB用户手册 (V0.11.x)</span> <!----></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>开始</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>概述</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>概念</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>服务器端</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>客户端</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/zh/UserGuide/V0.11.x/Client/Command Line Interface.html" class="sidebar-link">命令行接口(CLI)</a></li><li><a href="/zh/UserGuide/V0.11.x/Client/Programming - Native API.html" class="sidebar-link">原生接口</a></li><li><a href="/zh/UserGuide/V0.11.x/Client/Programming - JDBC.html" class="sidebar-link">JDBC</a></li><li><a href="/zh/UserGuide/V0.11.x/Client/Programming - Other Languages.html" class="sidebar-link">其他语言</a></li><li><a href="/zh/UserGuide/V0.11.x/Client/Programming - TsFile API.html" class="sidebar-link">TsFile API</a></li><li><a href="/zh/UserGuide/V0.11.x/Client/Programming - MQTT.html" class="sidebar-link">MQTT</a></li><li><a href="/zh/UserGuide/V0.11.x/Client/Status Codes.html" class="active sidebar-link">状态码</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>操作指南</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>系统工具</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>生态集成</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>系统设计</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="status-codes"><a href="#status-codes" class="header-anchor">#</a> Status Codes</h1> <p>在最新版本中引入了<strong>状态码</strong>这一概念。例如，因为IoTDB需要在写入数据之前首先注册时间序列，一种可能的解决方案是：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>try { |
| writeData(); |
| } catch (SQLException e) { |
| // the most case is that the time series does not exist |
| if (e.getMessage().contains("exist")) { |
| //However, using the content of the error message is not so efficient |
| registerTimeSeries(); |
| //write data once again |
| writeData(); |
| } |
| } |
| |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br></div></div><p>利用状态码，我们就可以不必写诸如<code>if (e.getErrorMessage().contains("exist"))</code>的代码，只需要使用<code>e.getStatusType().getCode() == TSStatusCode.TIME_SERIES_NOT_EXIST_ERROR.getStatusCode()</code>。</p> <p>这里是状态码和相对应信息的列表：</p> <table><thead><tr><th style="text-align:left;">状态码</th> <th style="text-align:left;">状态类型</th> <th style="text-align:left;">状态信息</th></tr></thead> <tbody><tr><td style="text-align:left;">200</td> <td style="text-align:left;">SUCCESS_STATUS</td> <td style="text-align:left;"></td></tr> <tr><td style="text-align:left;">201</td> <td style="text-align:left;">STILL_EXECUTING_STATUS</td> <td style="text-align:left;"></td></tr> <tr><td style="text-align:left;">202</td> <td style="text-align:left;">INVALID_HANDLE_STATUS</td> <td style="text-align:left;"></td></tr> <tr><td style="text-align:left;">203</td> <td style="text-align:left;">INCOMPATIBLE_VERSION</td> <td style="text-align:left;">版本不兼容</td></tr> <tr><td style="text-align:left;">298</td> <td style="text-align:left;">NODE_DELETE_FAILED_ERROR</td> <td style="text-align:left;">删除节点失败</td></tr> <tr><td style="text-align:left;">299</td> <td style="text-align:left;">ALIAS_ALREADY_EXIST_ERROR</td> <td style="text-align:left;">路径别名已经存在</td></tr> <tr><td style="text-align:left;">300</td> <td style="text-align:left;">PATH_ALREADY_EXIST_ERROR</td> <td style="text-align:left;">路径已经存在</td></tr> <tr><td style="text-align:left;">301</td> <td style="text-align:left;">PATH_NOT_EXIST_ERROR</td> <td style="text-align:left;">路径不存在</td></tr> <tr><td style="text-align:left;">302</td> <td style="text-align:left;">UNSUPPORTED_FETCH_METADATA_OPERATION_ERROR</td> <td style="text-align:left;">不支持的获取元数据操作</td></tr> <tr><td style="text-align:left;">303</td> <td style="text-align:left;">METADATA_ERROR</td> <td style="text-align:left;">处理元数据错误</td></tr> <tr><td style="text-align:left;">305</td> <td style="text-align:left;">OUT_OF_TTL_ERROR</td> <td style="text-align:left;">插入时间少于TTL时间边界</td></tr> <tr><td style="text-align:left;">306</td> <td style="text-align:left;">CONFIG_ADJUSTER</td> <td style="text-align:left;">IoTDB系统负载过大</td></tr> <tr><td style="text-align:left;">307</td> <td style="text-align:left;">MERGE_ERROR</td> <td style="text-align:left;">合并错误</td></tr> <tr><td style="text-align:left;">308</td> <td style="text-align:left;">SYSTEM_CHECK_ERROR</td> <td style="text-align:left;">系统检查错误</td></tr> <tr><td style="text-align:left;">309</td> <td style="text-align:left;">SYNC_DEVICE_OWNER_CONFLICT_ERROR</td> <td style="text-align:left;">回传设备冲突错误</td></tr> <tr><td style="text-align:left;">310</td> <td style="text-align:left;">SYNC_CONNECTION_EXCEPTION</td> <td style="text-align:left;">回传连接错误</td></tr> <tr><td style="text-align:left;">311</td> <td style="text-align:left;">STORAGE_GROUP_PROCESSOR_ERROR</td> <td style="text-align:left;">存储组处理器相关错误</td></tr> <tr><td style="text-align:left;">312</td> <td style="text-align:left;">STORAGE_GROUP_ERROR</td> <td style="text-align:left;">存储组相关错误</td></tr> <tr><td style="text-align:left;">313</td> <td style="text-align:left;">STORAGE_ENGINE_ERROR</td> <td style="text-align:left;">存储引擎相关错误</td></tr> <tr><td style="text-align:left;">314</td> <td style="text-align:left;">TSFILE_PROCESSOR_ERROR</td> <td style="text-align:left;">TsFile处理器相关错误</td></tr> <tr><td style="text-align:left;">315</td> <td style="text-align:left;">PATH_ILLEGAL</td> <td style="text-align:left;">路径不合法</td></tr> <tr><td style="text-align:left;">316</td> <td style="text-align:left;">LOAD_FILE_ERROR</td> <td style="text-align:left;">加载文件错误</td></tr> <tr><td style="text-align:left;">317</td> <td style="text-align:left;">STORAGE_GROUP_NOT_READY</td> <td style="text-align:left;">存储组还在恢复中，还不能接受读写操作</td></tr> <tr><td style="text-align:left;">400</td> <td style="text-align:left;">EXECUTE_STATEMENT_ERROR</td> <td style="text-align:left;">执行语句错误</td></tr> <tr><td style="text-align:left;">401</td> <td style="text-align:left;">SQL_PARSE_ERROR</td> <td style="text-align:left;">SQL语句分析错误</td></tr> <tr><td style="text-align:left;">402</td> <td style="text-align:left;">GENERATE_TIME_ZONE_ERROR</td> <td style="text-align:left;">生成时区错误</td></tr> <tr><td style="text-align:left;">403</td> <td style="text-align:left;">SET_TIME_ZONE_ERROR</td> <td style="text-align:left;">设置时区错误</td></tr> <tr><td style="text-align:left;">404</td> <td style="text-align:left;">NOT_STORAGE_GROUP_ERROR</td> <td style="text-align:left;">操作对象不是存储组</td></tr> <tr><td style="text-align:left;">405</td> <td style="text-align:left;">QUERY_NOT_ALLOWED</td> <td style="text-align:left;">查询语句不允许</td></tr> <tr><td style="text-align:left;">406</td> <td style="text-align:left;">AST_FORMAT_ERROR</td> <td style="text-align:left;">AST格式相关错误</td></tr> <tr><td style="text-align:left;">407</td> <td style="text-align:left;">LOGICAL_OPERATOR_ERROR</td> <td style="text-align:left;">逻辑符相关错误</td></tr> <tr><td style="text-align:left;">408</td> <td style="text-align:left;">LOGICAL_OPTIMIZE_ERROR</td> <td style="text-align:left;">逻辑优化相关错误</td></tr> <tr><td style="text-align:left;">409</td> <td style="text-align:left;">UNSUPPORTED_FILL_TYPE_ERROR</td> <td style="text-align:left;">不支持的填充类型</td></tr> <tr><td style="text-align:left;">410</td> <td style="text-align:left;">PATH_ERROR</td> <td style="text-align:left;">路径相关错误</td></tr> <tr><td style="text-align:left;">411</td> <td style="text-align:left;">QUERY_PROCESS_ERROR</td> <td style="text-align:left;">查询处理相关错误</td></tr> <tr><td style="text-align:left;">412</td> <td style="text-align:left;">WRITE_PROCESS_ERROR</td> <td style="text-align:left;">写入相关错误</td></tr> <tr><td style="text-align:left;">500</td> <td style="text-align:left;">INTERNAL_SERVER_ERROR</td> <td style="text-align:left;">服务器内部错误</td></tr> <tr><td style="text-align:left;">501</td> <td style="text-align:left;">CLOSE_OPERATION_ERROR</td> <td style="text-align:left;">关闭操作错误</td></tr> <tr><td style="text-align:left;">502</td> <td style="text-align:left;">READ_ONLY_SYSTEM_ERROR</td> <td style="text-align:left;">系统只读</td></tr> <tr><td style="text-align:left;">503</td> <td style="text-align:left;">DISK_SPACE_INSUFFICIENT_ERROR</td> <td style="text-align:left;">磁盘空间不足</td></tr> <tr><td style="text-align:left;">504</td> <td style="text-align:left;">START_UP_ERROR</td> <td style="text-align:left;">启动错误</td></tr> <tr><td style="text-align:left;">505</td> <td style="text-align:left;">SHUT_DOWN_ERROR</td> <td style="text-align:left;">关机错误</td></tr> <tr><td style="text-align:left;">506</td> <td style="text-align:left;">MULTIPLE_ERROR</td> <td style="text-align:left;">多行语句执行错误</td></tr> <tr><td style="text-align:left;">600</td> <td style="text-align:left;">WRONG_LOGIN_PASSWORD_ERROR</td> <td style="text-align:left;">用户名或密码错误</td></tr> <tr><td style="text-align:left;">601</td> <td style="text-align:left;">NOT_LOGIN_ERROR</td> <td style="text-align:left;">没有登录</td></tr> <tr><td style="text-align:left;">602</td> <td style="text-align:left;">NO_PERMISSION_ERROR</td> <td style="text-align:left;">没有操作权限</td></tr> <tr><td style="text-align:left;">603</td> <td style="text-align:left;">UNINITIALIZED_AUTH_ERROR</td> <td style="text-align:left;">授权人未初始化</td></tr></tbody></table> <blockquote><p>在最新版本中，我们重构了IoTDB的异常类。通过将错误信息统一提取到异常类中，并为所有异常添加不同的错误代码，从而当捕获到异常并引发更高级别的异常时，错误代码将保留并传递，以便用户了解详细的错误原因。 |
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