<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Apache Dubbo – QOS Operation Manual</title><link>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/</link><description>Recent content in QOS Operation Manual on Apache Dubbo</description><generator>Hugo -- gohugo.io</generator><language>en</language><atom:link href="https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/index.xml" rel="self" type="application/rss+xml"/><item><title>Docs3-V2: QOS Overview</title><link>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/overview/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/overview/</guid><description>
&lt;h2 id="description-of-related-parameters">Description of related parameters&lt;/h2>
&lt;p>QoS provides some startup parameters to configure startup, they mainly include:&lt;/p>
&lt;table>
&lt;thead>
&lt;tr>
&lt;th>Parameters&lt;/th>
&lt;th>Description&lt;/th>
&lt;th>Default&lt;/th>
&lt;/tr>
&lt;/thead>
&lt;tbody>
&lt;tr>
&lt;td>qos-enable&lt;/td>
&lt;td>Whether to enable QoS&lt;/td>
&lt;td>true&lt;/td>
&lt;/tr>
&lt;tr>
&lt;td>qos-port&lt;/td>
&lt;td>Enable QoS binding port&lt;/td>
&lt;td>22222&lt;/td>
&lt;/tr>
&lt;tr>
&lt;td>qos-accept-foreign-ip&lt;/td>
&lt;td>Whether to allow remote access&lt;/td>
&lt;td>false&lt;/td>
&lt;/tr>
&lt;tr>
&lt;td>qos-accept-foreign-ip-whitelist&lt;/td>
&lt;td>Supported remote host ip address (segment)&lt;/td>
&lt;td>(none)&lt;/td>
&lt;/tr>
&lt;tr>
&lt;td>qos-anonymous-access-permission-level&lt;/td>
&lt;td>Permission level for anonymous access supported&lt;/td>
&lt;td>PUBLIC(1)&lt;/td>
&lt;/tr>
&lt;/tbody>
&lt;/table>
&lt;blockquote>
&lt;p>Note, starting from 2.6.4/2.7.0, the default configuration of qos-accept-foreign-ip is changed to false. If qos-accept-foreign-ip is set to true, it may bring security risks, please evaluate carefully Open.&lt;/p>
&lt;/blockquote>
&lt;h2 id="qos-parameter-configuration">QoS parameter configuration&lt;/h2>
&lt;ul>
&lt;li>system properties&lt;/li>
&lt;li>dubbo.properties&lt;/li>
&lt;li>XML method&lt;/li>
&lt;li>Spring-boot automatic assembly method&lt;/li>
&lt;/ul>
&lt;p>Among them, the priority order of the above methods is system properties &amp;gt; dubbo.properties &amp;gt; XML/Spring-boot automatic assembly method.&lt;/p>
&lt;h2 id="port">port&lt;/h2>
&lt;p>The port of the new version of telnet is different from the port of the dubbo protocol, the default is &lt;code>22222&lt;/code>&lt;/p>
&lt;p>It can be modified through the configuration file &lt;code>dubbo.properties&lt;/code>:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo.application.qos-port=33333
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;p>or
You can set the JVM parameter:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>-Ddubbo.application.qos-port=33333
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="safety">Safety&lt;/h2>
&lt;p>By default, dubbo accepts commands initiated by any host&lt;/p>
&lt;p>It can be modified through the configuration file &lt;code>dubbo.properties&lt;/code>:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo.application.qos-accept-foreign-ip=false
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;p>or&lt;/p>
&lt;p>You can set the JVM parameter:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>-Ddubbo.application.qos-accept-foreign-ip=false
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;p>Reject commands issued by the remote host, and only allow the service to execute locally.&lt;/p>
&lt;p>At the same time, you can specify the supported remote host ip addresses (segments) by setting &lt;code>qos-accept-foreign-ip-whitelist&lt;/code>, and separate multiple ip addresses (segments) with &lt;strong>comma&lt;/strong>, such as:&lt;/p>
&lt;blockquote>
&lt;p>Configuration file &lt;code>dubbo.properties&lt;/code>&lt;/p>
&lt;/blockquote>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo.application.qos-accept-foreign-ip-whitelist=123.12.10.13, 132.12.10.13/24
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;blockquote>
&lt;p>Set JVM parameters:&lt;/p>
&lt;/blockquote>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>-Ddubbo.application.qos-accept-foreign-ip-whitelist=123.12.10.13,132.12.10.13/24
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="permissions">Permissions&lt;/h2>
&lt;p>In order to support the life cycle probe by default, QoS provides the ability to access anonymously and set the permission level. The currently supported permission levels are:&lt;/p>
&lt;ul>
&lt;li>PUBLIC(1)
By default, the command permission level of anonymous access is supported. Currently, only commands related to lifecycle probes are supported.&lt;/li>
&lt;li>PROTECTED(2)
command default privilege level&lt;/li>
&lt;li>PRIVATE(3)
The highest privilege level reserved, currently unsupported&lt;/li>
&lt;li>NONE
The lowest privilege level, i.e. anonymous access is not supported&lt;/li>
&lt;/ul>
&lt;blockquote>
&lt;p>Privilege level &lt;code>PRIVATE&lt;/code>&amp;gt; &lt;code>PROTECTED&lt;/code>&amp;gt; &lt;code>PUBLIC&lt;/code>&amp;gt; &lt;code>NONE&lt;/code>, high-level permissions can access commands of the same level and low-level permissions.
Currently the permissions of the following commands are &lt;code>PUBLIC&lt;/code>, and the default permissions of other commands are &lt;code>PROTECTED&lt;/code>.&lt;/p>
&lt;/blockquote>
&lt;table>
&lt;thead>
&lt;tr>
&lt;th>command&lt;/th>
&lt;th>privilege level&lt;/th>
&lt;/tr>
&lt;/thead>
&lt;tbody>
&lt;tr>
&lt;td>Live&lt;/td>
&lt;td>PUBLIC (1)&lt;/td>
&lt;/tr>
&lt;tr>
&lt;td>Startup&lt;/td>
&lt;td>PUBLIC (1)&lt;/td>
&lt;/tr>
&lt;tr>
&lt;td>Ready&lt;/td>
&lt;td>PUBLIC (1)&lt;/td>
&lt;/tr>
&lt;tr>
&lt;td>Quit&lt;/td>
&lt;td>PUBLIC (1)&lt;/td>
&lt;/tr>
&lt;/tbody>
&lt;/table>
&lt;p>By default, dubbo allows anonymous hosts to initiate anonymous access, only commands with &lt;code>PUBLIC&lt;/code> permission level can be executed, and other commands with higher permissions will be rejected.&lt;/p>
&lt;p>&lt;strong>Turn off anonymous access&lt;/strong>
Anonymous access can be turned off by setting &lt;code>qos-anonymous-access-permission-level=NONE&lt;/code>.&lt;/p>
&lt;p>&lt;strong>SET PERMISSION LEVEL&lt;/strong>
It can be modified through the configuration file &lt;code>dubbo.properties&lt;/code>:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo.application.qos-anonymous-access-permission-level=PROTECTED
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;p>or&lt;br>
You can set the JVM parameter:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>-Ddubbo.application.qos-anonymous-access-permission-level=PROTECTED
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;p>to allow anonymous access to higher-level privileged commands.&lt;/p>
&lt;h2 id="agreement">agreement&lt;/h2>
&lt;h3 id="telnet-and-http-protocols">telnet and http protocols&lt;/h3>
&lt;p>The telnet module now supports both the http protocol and the telnet protocol, which is convenient for use in various situations
Example:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>➜ ~ telnet localhost 22222
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Trying ::1...
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>telnet: connect to address ::1: Connection refused
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Trying 127.0.0.1...
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Connected to localhost.
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Escape character is &amp;#39;^]&amp;#39;.
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ████████▄ ███ █▄ ▀█████████▄ ▀█████████▄ ▄██████▄
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ███ ▀███ ███ ███ ███ ███ ███ ███ ███ ███
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ███ ███ ███ ███ ███ ███ ███ ███ ███ ███
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ███ ███ ███ ███ ▄███▄▄▄██▀ ▄███▄▄▄██▀ ███ ███
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ███ ███ ███ ███ ▀▀███▀▀▀██▄ ▀▀███▀▀▀██▄ ███ ███
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ███ ███ ███ ███ ███ ██▄ ███ ██▄ ███ ███
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ███ ▄███ ███ ███ ███ ███ ███ ███ ███ ███
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ████████▀ ████████▀ ▄█████████▀ ▄█████████▀ ▀██████▀
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;ls
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>As Provider side:
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+----------------------------------+---+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>| Provider Service Name |PUB|
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+----------------------------------+---+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>|org.apache.dubbo.demo.DemoService|N|
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+----------------------------------+---+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>As Consumer side:
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+---------------------+---+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>|Consumer Service Name|NUM|
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+---------------------+---+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>➜ ~ curl &amp;#34;localhost:22222/ls?arg1=xxx&amp;amp;arg2=xxxx&amp;#34;
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>As Provider side:
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+----------------------------------+---+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>| Provider Service Name |PUB|
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+----------------------------------+---+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>|org.apache.dubbo.demo.DemoService|N|
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+----------------------------------+---+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>As Consumer side:
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+---------------------+---+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>|Consumer Service Name|NUM|
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+---------------------+---+
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="use-configuration">Use configuration&lt;/h2>
&lt;h3 id="use-system-properties-to-configure">Use system properties to configure&lt;/h3>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>-Ddubbo.application.qos-enable=true
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>-Ddubbo.application.qos-port=33333
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>-Ddubbo.application.qos-accept-foreign-ip=false
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>-Ddubbo.application.qos-accept-foreign-ip-whitelist=123.12.10.13,132.12.10.13/24
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>-Ddubbo.application.qos-anonymous-access-permission-level=PUBLIC
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h3 id="use-dubboproperties-file-configuration">Use dubbo.properties file configuration&lt;/h3>
&lt;p>Add the dubbo.properties file in the &lt;code>src/main/resources&lt;/code> directory of the project, the content is as follows:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo.application.qos-enable=true
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo.application.qos-port=33333
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo.application.qos-accept-foreign-ip=false
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo.application.qos-accept-foreign-ip-whitelist=123.12.10.13, 132.12.10.13/24
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo.application.qos-anonymous-access-permission-level=PUBLIC
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h3 id="use-the-xml-method-to-configure">Use the XML method to configure&lt;/h3>
&lt;p>If you want to configure the QoS-related parameters of the response through XML, you can configure them as follows:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-xml" data-lang="xml">&lt;span style="display:flex;">&lt;span>&lt;span style="color:#719e07">&amp;lt;?xml version=&amp;#34;1.0&amp;#34; encoding=&amp;#34;UTF-8&amp;#34;?&amp;gt;&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>&lt;span style="color:#268bd2">&amp;lt;beans&lt;/span> xmlns=&lt;span style="color:#2aa198">&amp;#34;http://www.springframework.org/schema/beans&amp;#34;&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> xmlns:xsi=&lt;span style="color:#2aa198">&amp;#34;http://www.w3.org/2001/XMLSchema-instance&amp;#34;&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> xmlns:dubbo=&lt;span style="color:#2aa198">&amp;#34;http://dubbo.apache.org/schema/dubbo&amp;#34;&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> xsi:schemaLocation=&lt;span style="color:#2aa198">&amp;#34;http://www.springframework.org/schema/beans
&lt;/span>&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>&lt;span style="color:#2aa198"> http://www.springframework.org/schema/beans/spring-beans.xsd
&lt;/span>&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>&lt;span style="color:#2aa198"> http://dubbo.apache.org/schema/dubbo http://dubbo.apache.org/schema/dubbo/dubbo.xsd&amp;#34;&lt;/span>&lt;span style="color:#268bd2">&amp;gt;&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> &lt;span style="color:#268bd2">&amp;lt;dubbo:application&lt;/span> name=&lt;span style="color:#2aa198">&amp;#34;demo-provider&amp;#34;&lt;/span>&lt;span style="color:#268bd2">&amp;gt;&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> &lt;span style="color:#268bd2">&amp;lt;dubbo:parameter&lt;/span> key=&lt;span style="color:#2aa198">&amp;#34;qos-enable&amp;#34;&lt;/span> value=&lt;span style="color:#2aa198">&amp;#34;true&amp;#34;&lt;/span>&lt;span style="color:#268bd2">/&amp;gt;&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> &lt;span style="color:#268bd2">&amp;lt;dubbo:parameter&lt;/span> key=&lt;span style="color:#2aa198">&amp;#34;qos-accept-foreign-ip&amp;#34;&lt;/span> value=&lt;span style="color:#2aa198">&amp;#34;false&amp;#34;&lt;/span>&lt;span style="color:#268bd2">/&amp;gt;&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> &lt;span style="color:#268bd2">&amp;lt;dubbo:parameter&lt;/span> key=&lt;span style="color:#2aa198">&amp;#34;qos-accept-foreign-ip-whitelist&amp;#34;&lt;/span> value=&lt;span style="color:#2aa198">&amp;#34;123.12.10.13,132.12.10.13/24&amp;#34;&lt;/span>&lt;span style="color:#268bd2">/&amp;gt;&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> &lt;span style="color:#268bd2">&amp;lt;dubbo:parameter&lt;/span> key=&lt;span style="color:#2aa198">&amp;#34;qos-anonymous-access-permission-level&amp;#34;&lt;/span> value=&lt;span style="color:#2aa198">&amp;#34;NONE&amp;#34;&lt;/span>&lt;span style="color:#268bd2">/&amp;gt;&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> &lt;span style="color:#268bd2">&amp;lt;dubbo:parameter&lt;/span> key=&lt;span style="color:#2aa198">&amp;#34;qos-port&amp;#34;&lt;/span> value=&lt;span style="color:#2aa198">&amp;#34;33333&amp;#34;&lt;/span>&lt;span style="color:#268bd2">/&amp;gt;&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> &lt;span style="color:#268bd2">&amp;lt;/dubbo:application&amp;gt;&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> &lt;span style="color:#268bd2">&amp;lt;dubbo:registry&lt;/span> address=&lt;span style="color:#2aa198">&amp;#34;multicast://224.5.6.7:1234&amp;#34;&lt;/span>&lt;span style="color:#268bd2">/&amp;gt;&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> &lt;span style="color:#268bd2">&amp;lt;dubbo:protocol&lt;/span> name=&lt;span style="color:#2aa198">&amp;#34;dubbo&amp;#34;&lt;/span> port=&lt;span style="color:#2aa198">&amp;#34;20880&amp;#34;&lt;/span>&lt;span style="color:#268bd2">/&amp;gt;&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> &lt;span style="color:#268bd2">&amp;lt;dubbo:service&lt;/span> interface=&lt;span style="color:#2aa198">&amp;#34;org.apache.dubbo.demo.provider.DemoService&amp;#34;&lt;/span> ref=&lt;span style="color:#2aa198">&amp;#34;demoService&amp;#34;&lt;/span>&lt;span style="color:#268bd2">/&amp;gt;&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> &lt;span style="color:#268bd2">&amp;lt;bean&lt;/span> id=&lt;span style="color:#2aa198">&amp;#34;demoService&amp;#34;&lt;/span> class=&lt;span style="color:#2aa198">&amp;#34;org.apache.dubbo.demo.provider.DemoServiceImpl&amp;#34;&lt;/span>&lt;span style="color:#268bd2">/&amp;gt;&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>&lt;span style="color:#268bd2">&amp;lt;/beans&amp;gt;&lt;/span>
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h3 id="use-spring-boot-automatic-assembly-configuration">Use spring-boot automatic assembly configuration&lt;/h3>
&lt;p>If it is a spring-boot application, it can be configured on &lt;code>application.properties&lt;/code> or &lt;code>application.yml&lt;/code>:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo.application.qos-enable=true
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo.application.qos-port=33333
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo.application.qos-accept-foreign-ip=false
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo.application.qos-accept-foreign-ip-whitelist=123.12.10.13, 132.12.10.13/24
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo.application.qos-anonymous-access-permission-level=NONE
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div></description></item><item><title>Docs3-V2: Basic Command Manual</title><link>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/command/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/command/</guid><description>
&lt;h2 id="help-command">help command&lt;/h2>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>// list all commands
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;help
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>//List the specific usage of a single command
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;help online
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+--------------+---------------------------------- ------------------------------------------------+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>| COMMAND NAME | online |
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+--------------+---------------------------------- ------------------------------------------------+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>| EXAMPLE | online dubbo |
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>| | online xx.xx.xxx.service |
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+--------------+---------------------------------- ------------------------------------------------+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="version-command">version command&lt;/h2>
&lt;p>Display the version number of the currently running Dubbo&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;version
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo version &amp;#34;3.0.10-SNAPSHOT&amp;#34;
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="quit-command">quit command&lt;/h2>
&lt;p>exit command state&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;quit
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>BYE!
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Connection closed by foreign host.
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div></description></item><item><title>Docs3-V2: Service Management Commands</title><link>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/service-management/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/service-management/</guid><description>
&lt;h2 id="ls-command">ls command&lt;/h2>
&lt;p>List consumers and providers&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;ls
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>As Provider side:
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+------------------------------------------------- -----------------------+---------------------+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>| Provider Service Name | PUB |
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+------------------------------------------------- -----------------------+---------------------+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>|DubboInternal - UserRead/org.apache.dubbo.metadata.MetadataService:1.0.0| |
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+------------------------------------------------- -----------------------+---------------------+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>| com.dubbo.dubbointegration.UserReadService |nacos-A(Y)/nacos-I(Y)|
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+------------------------------------------------- -----------------------+---------------------+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>As Consumer side:
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+-----------------------------------------+------- ----------+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>| Consumer Service Name | NUM |
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+-----------------------------------------+------- ----------+
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>|com.dubbo.dubbointegration.BackendService|nacos-AF(I-2,A-2)|
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>+-----------------------------------------+------- ----------+
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;p>List the services provided and consumed by dubbo, as well as the number of service addresses consumed.&lt;/p>
&lt;p>Note:&lt;/p>
&lt;ul>
&lt;li>Services prefixed with &lt;code>DubboInternal&lt;/code> are built-in services of Dubbo, and are not registered with the registry by default.&lt;/li>
&lt;li>The first part of &lt;code>nacos-A(Y)&lt;/code> in the service publishing status is the corresponding registry name, and the second part is the registration mode (&lt;code>A&lt;/code> stands for application-level address registration, &lt;code>I&lt;/code> stands for interface-level address registration), The third part represents whether the corresponding mode has been registered&lt;/li>
&lt;li>The first part of &lt;code>nacos-AF(I-2,A-2)&lt;/code> in the service subscription status is the corresponding registration center name, and the second part is the subscription mode (&lt;code>AF&lt;/code> stands for dual subscription mode, &lt;code>FA&lt;/code> stands for only Application-level subscription, &lt;code>FI&lt;/code> stands for interface-level subscription only), the first half of the third part represents the source of the address mode (&lt;code>A&lt;/code> stands for application-level address, &lt;code>I&lt;/code> stands for interface-level address), and the second half represents the corresponding number of addresses&lt;/li>
&lt;/ul>
&lt;h2 id="online">online&lt;/h2>
&lt;h3 id="online-commands">online commands&lt;/h3>
&lt;p>Online online service command&lt;/p>
&lt;p>When using the delayed release function (by setting org.apache.dubbo.config.AbstractServiceConfig#register to false), when you need to go online later, you can use the Online command&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>//Online all services
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;online
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>OK
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>//According to the rules, launch some services
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;online com.*
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>OK
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="log-off">log off&lt;/h2>
&lt;h3 id="offline-command">offline command&lt;/h3>
&lt;p>Offline service command&lt;/p>
&lt;p>Due to failure and other reasons, it is necessary to temporarily go offline to maintain the site, and you can use the Offline offline command.&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>//Offline all services
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;offline
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>OK
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>//According to the rules, some services are offline
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;offline com.*
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>OK
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div></description></item><item><title>Docs3-V2: Frame State Command</title><link>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/probe/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/probe/</guid><description>
&lt;p>Reference document: &lt;a href="../../../advanced-features-and-usage/others/dubbo-kubernetes-probe/">Kubernetes Lifecycle Probe&lt;/a>&lt;/p>
&lt;h2 id="startup-command">startup command&lt;/h2>
&lt;p>Check if the current framework has been started&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;startup
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>true
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="ready-command">ready command&lt;/h2>
&lt;p>Detect whether the current framework can provide services normally (may be temporarily offline)&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;ready
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>true
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="live-command">live command&lt;/h2>
&lt;p>Check if the current framework is running normally (possibly a permanent exception)&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;live
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>true
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div></description></item><item><title>Docs3-V2: Logging framework runtime management</title><link>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/logger-management/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/logger-management/</guid><description>
&lt;h2 id="logging-framework-runtime-management">Logging framework runtime management&lt;/h2>
&lt;p>Starting from &lt;code>3.0.10&lt;/code>, dubbo-qos runtime control supports querying log configuration and dynamically modifying the used log framework and log level.&lt;/p>
&lt;p>Note: The log configuration modified by dubbo-qos is not stored persistently and will become invalid after the application is restarted.&lt;/p>
&lt;h3 id="1-query-log-configuration">1. Query log configuration&lt;/h3>
&lt;p>Command: &lt;code>loggerInfo&lt;/code>&lt;/p>
&lt;p>Example:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-bash" data-lang="bash">&lt;span style="display:flex;">&lt;span>&amp;gt; telnet 127.0.0.1 &lt;span style="color:#2aa198">22222&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>&amp;gt; loggerInfo
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;p>output:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>Trying 127.0.0.1...
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Connected to localhost.
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Escape character is &amp;#39;^]&amp;#39;.
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ___ __ __ ___ ___ ____
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> / _ \ / / / // _ ) / _ ) / __ \
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> / // // /_/ // _ |/ _ |/ /_/ /
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>/____/ \____//____//____/ \____/
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;loggerInfo
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Available logger adapters: [jcl, jdk, log4j, slf4j]. Current Adapter: [log4j]. Log level: INFO
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h3 id="2-modify-log-level">2. Modify log level&lt;/h3>
&lt;p>Command: &lt;code>switchLogLevel {level}&lt;/code>&lt;/p>
&lt;p>level: &lt;code>ALL&lt;/code>, &lt;code>TRACE&lt;/code>, &lt;code>DEBUG&lt;/code>, &lt;code>INFO&lt;/code>, &lt;code>WARN&lt;/code>, &lt;code>ERROR&lt;/code>, &lt;code>OFF&lt;/code>&lt;/p>
&lt;p>Example:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-bash" data-lang="bash">&lt;span style="display:flex;">&lt;span>&amp;gt; telnet 127.0.0.1 &lt;span style="color:#2aa198">22222&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>&amp;gt; switchLogLevel WARN
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;p>output:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>Trying 127.0.0.1...
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Connected to localhost.
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Escape character is &amp;#39;^]&amp;#39;.
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ___ __ __ ___ ___ ____
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> / _ \ / / / // _ ) / _ ) / __ \
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> / // // /_/ // _ |/ _ |/ /_/ /
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>/____/ \____//____//____/ \____/
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;loggerInfo
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Available logger adapters: [jcl, jdk, log4j, slf4j]. Current Adapter: [log4j]. Log level: INFO
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;switchLogLevel WARN
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>OK
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;loggerInfo
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Available logger adapters: [jcl, jdk, log4j, slf4j]. Current Adapter: [log4j]. Log level: WARN```
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h3 id="3-modify-the-log-output-framework">3. Modify the log output framework&lt;/h3>
&lt;p>Command: &lt;code>switchLogger {loggerAdapterName}&lt;/code>&lt;/p>
&lt;p>loggerAdapterName: &lt;code>slf4j&lt;/code>, &lt;code>jcl&lt;/code>, &lt;code>log4j&lt;/code>, &lt;code>jdk&lt;/code>, &lt;code>log4j2&lt;/code>&lt;/p>
&lt;p>Example:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-bash" data-lang="bash">&lt;span style="display:flex;">&lt;span>&amp;gt; telnet 127.0.0.1 &lt;span style="color:#2aa198">22222&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>&amp;gt; switchLogger slf4j
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;p>output:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>Trying 127.0.0.1...
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Connected to localhost.
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Escape character is &amp;#39;^]&amp;#39;.
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ___ __ __ ___ ___ ____
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> / _ \ / / / // _ ) / _ ) / __ \
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> / // // /_/ // _ |/ _ |/ /_/ /
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>/____/ \____//____//____/ \____/
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;loggerInfo
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Available logger adapters: [jcl, slf4j, log4j, jdk]. Current Adapter: [log4j]. Log level: INFO
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;switchLogger slf4j
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>OK
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;loggerInfo
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Available logger adapters: [jcl, slf4j, log4j, jdk]. Current Adapter: [slf4j]. Log level: INFO
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div></description></item><item><title>Docs3-V2: Performance Sampling Command</title><link>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/profiler/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/profiler/</guid><description>
&lt;p>The performance sampling function can detect the time consumption of various parts of the Dubbo processing link. When a timeout occurs, &lt;code>( usageTime / timeout &amp;gt; profilerWarnPercent * 100 )&lt;/code> records the time consumption of calls through logs.&lt;/p>
&lt;p>This function is divided into &lt;code>simple profiler&lt;/code> and &lt;code>detail profiler&lt;/code> two modes, where &lt;code>simple profiler&lt;/code> mode is enabled by default, and &lt;code>detail profiler&lt;/code> mode is disabled by default.
Compared with the &lt;code>simple profiler&lt;/code> mode, the &lt;code>detail profiler&lt;/code> collects more time-consuming processing of each filter, specific time-consuming protocols, etc.
In the &lt;code>simple profiler&lt;/code> mode, if you find that there is a long time-consuming situation inside the Dubbo framework, you can enable the &lt;code>detail profiler&lt;/code> mode to better troubleshoot the problem.&lt;/p>
&lt;p>Reference link: &lt;a href="../../../advanced-features-and-usage/performance/profiler/">Request time-consuming sampling&lt;/a>&lt;/p>
&lt;h2 id="enablesimpleprofiler-command">enableSimpleProfiler command&lt;/h2>
&lt;p>Enable &lt;code>simple profiler&lt;/code> mode, enabled by default&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;enableSimpleProfiler
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>OK
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="disablesimpleprofiler-command">disableSimpleProfiler command&lt;/h2>
&lt;p>Turn off the &lt;code>simple profiler&lt;/code> mode, and the &lt;code>detail profiler&lt;/code> will not be enabled after it is turned off&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;disableSimpleProfiler
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>OK
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="enabledetailprofiler-command">enableDetailProfiler command&lt;/h2>
&lt;p>Enable the &lt;code>detail profiler&lt;/code> mode, which is disabled by default, you need to enable the &lt;code>simple profiler&lt;/code> mode to actually enable it&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;enableDetailProfiler
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>OK. This will cause performance degradation, please be careful!
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="disabledetailprofiler-command">disableDetailProfiler command&lt;/h2>
&lt;p>Turn off &lt;code>detail profiler&lt;/code> mode, it will not affect &lt;code>simple profiler&lt;/code>&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;disableDetailProfiler
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>OK
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="setprofilerwarnpercent-command">setProfilerWarnPercent command&lt;/h2>
&lt;p>Set the warning percentage for the timeout&lt;/p>
&lt;p>Command: &lt;code>setProfilerWarnPercent {profilerWarnPercent}&lt;/code>&lt;/p>
&lt;p>profilerWarnPercent: The warning percentage of the timeout period, the value range is 0.0 ~ 1.0, and the default value is 0.75&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;setProfilerWarnPercent 0.75
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>OK
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div></description></item><item><title>Docs3-V2: Routing Status Command</title><link>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/router-snapshot/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/router-snapshot/</guid><description>
&lt;p>Many of Dubbo&amp;rsquo;s traffic management capabilities are implemented based on Router. In a production environment, if traffic results do not meet expectations, you can use the routing status command to check the routing status to locate possible problems.&lt;/p>
&lt;p>Reference link: &lt;a href="../../../advanced-features-and-usage/performance/router-snapshot/">routing status collection&lt;/a>&lt;/p>
&lt;h2 id="getroutersnapshot-command">getRouterSnapshot command&lt;/h2>
&lt;p>Get the current grouping status of each layer of routing. (Only supports StateRouter)&lt;/p>
&lt;p>Command: &lt;code>getRouterSnapshot {serviceName}&lt;/code>&lt;/p>
&lt;p>&lt;code>serviceName&lt;/code> is the name of the service to be collected, which supports matching&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;getRouterSnapshot com.dubbo.dubbointegration.BackendService
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>com.dubbo.dubbointegration.BackendService@2c2e824a
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>[ All Invokers: 2 ] [ Valid Invokers: 2 ]
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>MockInvokersSelector Total: 2
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>[ Mocked -&amp;gt; Empty (Total: 0) ]
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>[ Normal -&amp;gt; 172.18.111.187:20880,172.18.111.183:20880 (Total: 2) ]
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ↓
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>StandardMeshRuleRouter not support
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ↓
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>TagStateRouter not support
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ↓
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>ServiceStateRouter not support
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ↓
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>AppStateRouter not support
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ↓
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>TailStateRouterEnd
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="enableroutersnapshot-command">enableRouterSnapshot command&lt;/h2>
&lt;p>Enable routing result collection mode&lt;/p>
&lt;p>Command: &lt;code>enableRouterSnapshot {serviceName}&lt;/code>&lt;/p>
&lt;p>&lt;code>serviceName&lt;/code> is the name of the service to be collected, which supports matching&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;enableRouterSnapshot com.dubbo.*
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>OK. Found service count: 1. This will cause performance degradation, please be careful!
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="disableroutersnapshot-command">disableRouterSnapshot command&lt;/h2>
&lt;p>Disable routing result collection mode&lt;/p>
&lt;p>Command: &lt;code>disableRouterSnapshot {serviceName}&lt;/code>&lt;/p>
&lt;p>&lt;code>serviceName&lt;/code> is the name of the service to be collected, which supports matching&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;disableRouterSnapshot com.dubbo.*
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>OK. Found service count: 1
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="getenabledroutersnapshot-command">getEnabledRouterSnapshot command&lt;/h2>
&lt;p>Get the services that are currently collecting&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;getEnabledRouterSnapshot
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>com.dubbo.dubbointegration.BackendService
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="getrecentroutersnapshot-command">getRecentRouterSnapshot command&lt;/h2>
&lt;p>Obtain the historical routing status through the qos command. (up to 32 results stored)&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-fallback" data-lang="fallback">&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;getRecentRouterSnapshot
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>1658224330156 - Router snapshot service com.dubbo.dubbointegration.BackendService from registry 172.18.111.184 on the consumer 172.18.111.184 using the dubbo version 3.0.9 is below:
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>[ Parent (Input: 2) (Current Node Output: 2) (Chain Node Output: 2) ] Input: 172.18.111.187:20880,172.18.111.183:20880 -&amp;gt; Chain Node Output: 172.18.111.187:20880.3172.18 :20880
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> [ MockInvokersSelector (Input: 2) (Current Node Output: 2) (Chain Node Output: 2) Router message: invocation.need.mock not set. Return normal Invokers. ] Current Node Output: 172.18.111.187:20880,172.183.111. :20880
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> [ StandardMeshRuleRouter (Input: 2) (Current Node Output: 2) (Chain Node Output: 2) Router message: MeshRuleCache has not been built. Skip route. ] Current Node Output: 172.18.111.187:20880,172.1803:1121.88
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> [ TagStateRouter (Input: 2) (Current Node Output: 2) (Chain Node Output: 2) Router message: Disable Tag Router. Reason: tagRouterRule is invalid or disabled ] Current Node Output: 172.18.111.187:20880,172.183.111. 20880
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> [ ServiceStateRouter (Input: 2) (Current Node Output: 2) (Chain Node Output: 2) Router message: Directly return. Reason: Invokers from previous router is empty or conditionRouters is empty. ] Current Node Output: 172.18.111.187:20880 ,172.18.111.183:20880
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> [ AppStateRouter (Input: 2) (Current Node Output: 2) (Chain Node Output: 2) Router message: Directly return. Reason: Invokers from previous router is empty or conditionRouters is empty. ] Current Node Output: 172.18.111.187:20880 ,172.18.111.183:20880
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>1658224330156 - Router snapshot service com.dubbo.dubbointegration.BackendService from registry 172.18.111.184 on the consumer 172.18.111.184 using the dubbo version 3.0.9 is below:
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>[ Parent (Input: 2) (Current Node Output: 2) (Chain Node Output: 2) ] Input: 172.18.111.187:20880,172.18.111.183:20880 -&amp;gt; Chain Node Output: 172.18.111.187:20880.3172.18 :20880
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> [ MockInvokersSelector (Input: 2) (Current Node Output: 2) (Chain Node Output: 2) Router message: invocation.need.mock not set. Return normal Invokers. ] Current Node Output: 172.18.111.187:20880,172.183.111. :20880
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> [ StandardMeshRuleRouter (Input: 2) (Current Node Output: 2) (Chain Node Output: 2) Router message: MeshRuleCache has not been built. Skip route. ] Current Node Output: 172.18.111.187:20880,172.1803:1121.88
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> [ TagStateRouter (Input: 2) (Current Node Output: 2) (Chain Node Output: 2) Router message: Disable Tag Router. Reason: tagRouterRule is invalid or disabled ] Current Node Output: 172.18.111.187:20880,172.183.111. 20880
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> [ ServiceStateRouter (Input: 2) (Current Node Output: 2) (Chain Node Output: 2) Router message: Directly return. Reason: Invokers from previous router is empty or conditionRouters is empty. ] Current Node Output: 172.18.111.187:20880 ,172.18.111.183:20880
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> [ AppStateRouter (Input: 2) (Current Node Output: 2) (Chain Node Output: 2) Router message: Directly return. Reason: Invokers from previous router is empty or conditionRouters is empty. ] Current Node Output: 172.18.111.187:20880 ,172.18.111.183:20880
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>···
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div></description></item><item><title>Docs3-V2: Serialization Security Audit</title><link>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/security/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://dubbo.apache.org/en/docs3-v2/java-sdk/reference-manual/qos/security/</guid><description>
&lt;p>Dubbo supports real-time viewing of current configuration information and trusted/untrusted class lists through QoS commands. Currently supports two commands: &lt;code>serializeCheckStatus&lt;/code> to view the current configuration information, &lt;code>serializeWarnedClasses&lt;/code> to view the real-time alarm list.&lt;/p>
&lt;h3 id="serializecheckstatus-command">&lt;code>serializeCheckStatus&lt;/code> command&lt;/h3>
&lt;p>Access directly through the console:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-bash" data-lang="bash">&lt;span style="display:flex;">&lt;span>&amp;gt; telnet 127.0.0.1 &lt;span style="color:#2aa198">22222&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Trying 127.0.0.1...
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Connected to localhost.
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Escape character is &lt;span style="color:#2aa198">&amp;#39;^]&amp;#39;&lt;/span>.
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ___ __ __ ___ ___ ____
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> / _ &lt;span style="color:#cb4b16">\ &lt;/span>/ / / // _ &lt;span style="color:#719e07">)&lt;/span> / _ &lt;span style="color:#719e07">)&lt;/span> / __ &lt;span style="color:#cb4b16">\
&lt;/span>&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>&lt;span style="color:#cb4b16">&lt;/span> / // // /_/ // _ |/ _ |/ /_/ /
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>/____/ &lt;span style="color:#cb4b16">\_&lt;/span>___//____//____/ &lt;span style="color:#cb4b16">\_&lt;/span>___/
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;serializeCheckStatus
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>CheckStatus: WARN
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>CheckSerializable: &lt;span style="color:#b58900">true&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>AllowedPrefix:
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>...
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>DisAllowedPrefix:
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>...
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;p>Request the result in json format via http:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-bash" data-lang="bash">&lt;span style="display:flex;">&lt;span>&amp;gt; curl http://127.0.0.1:22222/serializeCheckStatus
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>&lt;span style="color:#719e07">{&lt;/span>&lt;span style="color:#2aa198">&amp;#34;checkStatus&amp;#34;&lt;/span>: &lt;span style="color:#2aa198">&amp;#34;WARN&amp;#34;&lt;/span>,&lt;span style="color:#2aa198">&amp;#34;allowedPrefix&amp;#34;&lt;/span>:&lt;span style="color:#719e07">[&lt;/span>...&lt;span style="color:#719e07">]&lt;/span>,&lt;span style="color:#2aa198">&amp;#34;checkSerializable&amp;#34;&lt;/span>:true,&lt;span style="color:#2aa198">&amp;#34;disAllowedPrefix&amp;#34;&lt;/span>:&lt;span style="color:#719e07">[&lt;/span>...&lt;span style="color:#719e07">]}&lt;/span>
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h3 id="serializewarnedclasses-command">&lt;code>serializeWarnedClasses&lt;/code> command&lt;/h3>
&lt;p>Access directly through the console:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-bash" data-lang="bash">&lt;span style="display:flex;">&lt;span>&amp;gt; telnet 127.0.0.1 &lt;span style="color:#2aa198">22222&lt;/span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Trying 127.0.0.1...
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Connected to localhost.
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Escape character is &lt;span style="color:#2aa198">&amp;#39;^]&amp;#39;&lt;/span>.
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> ___ __ __ ___ ___ ____
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span> / _ &lt;span style="color:#cb4b16">\ &lt;/span>/ / / // _ &lt;span style="color:#719e07">)&lt;/span> / _ &lt;span style="color:#719e07">)&lt;/span> / __ &lt;span style="color:#cb4b16">\
&lt;/span>&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>&lt;span style="color:#cb4b16">&lt;/span> / // // /_/ // _ |/ _ |/ /_/ /
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>/____/ &lt;span style="color:#cb4b16">\_&lt;/span>___//____//____/ &lt;span style="color:#cb4b16">\_&lt;/span>___/
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;serializeWarnedClasses
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>Warned Classes:
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>io.dubbo.test.NotSerializable
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>io.dubbo.test2.NotSerializable
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>io.dubbo.test2.OthersSerializable
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>org.apache.dubbo.samples.NotSerializable
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>dubbo&amp;gt;
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;p>Request the result in json format via http:&lt;/p>
&lt;div class="highlight">&lt;pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-bash" data-lang="bash">&lt;span style="display:flex;">&lt;span>&amp;gt; curl http://127.0.0.1:22222/serializeWarnedClasses
&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span>&lt;span style="color:#719e07">{&lt;/span>&lt;span style="color:#2aa198">&amp;#34;warnedClasses&amp;#34;&lt;/span>:&lt;span style="color:#719e07">[&lt;/span>&lt;span style="color:#2aa198">&amp;#34;io.dubbo.test2.NotSerializable&amp;#34;&lt;/span>,&lt;span style="color:#2aa198">&amp;#34;org.apache.dubbo.samples.NotSerializable&amp;#34;&lt;/span>,&lt;span style="color:#2aa198">&amp;#34;io.dubbo.test.NotSerializable&amp;#34;&lt;/span>,&lt;span style="color:#2aa198">&amp;#34;io.dubbo.test2.OthersSerializable&amp;#34;&lt;/span>&lt;span style="color:#719e07">]}&lt;/span>
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;p>Note: It is recommended to pay attention to the result of &lt;code>serializeWarnedClasses&lt;/code> in time, and judge whether it is attacked by whether the returned result is not empty.&lt;/p>
&lt;blockquote>
&lt;p>For more configuration details, please refer to &lt;a href="https://dubbo.apache.org/zh-cn/overview/mannual/java-sdk/advanced-features-and-usage/security/class-check/">Dubbo Class Check Mechanism&lt;/a>.&lt;/p>
&lt;/blockquote></description></item></channel></rss>