<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>7 - QoS Plugin Module on Apache Dubbo</title><link>https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/faq/7/</link><description>Recent content in 7 - QoS Plugin Module on Apache Dubbo</description><generator>Hugo</generator><language>en</language><atom:link href="https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/faq/7/index.xml" rel="self" type="application/rss+xml"/><item><title>7-1 - QOS is Closed</title><link>https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/faq/7/1/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/faq/7/1/</guid><description>&lt;h3 id="possible-causes">Possible Causes&lt;/h3>
&lt;p>QOS is Closed&lt;/p>
&lt;h3 id="troubleshooting-and-resolution-steps">Troubleshooting and Resolution Steps&lt;/h3>
&lt;blockquote>
&lt;p>Please refer to the &lt;a href="https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/qos/">QOS Operation Manual&lt;/a>.&lt;/p>
&lt;/blockquote></description></item><item><title>7-2 - QOS is enabled</title><link>https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/faq/7/2/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/faq/7/2/</guid><description>&lt;h3 id="possible-reasons">Possible Reasons&lt;/h3>
&lt;p>QOS is enabled and is set to on by default.&lt;/p>
&lt;h3 id="troubleshooting-and-resolution-steps">Troubleshooting and Resolution Steps&lt;/h3>
&lt;blockquote>
&lt;p>Please refer to the &lt;a href="https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/qos/">QOS Operation Manual&lt;/a>.&lt;/p>
&lt;/blockquote></description></item><item><title>7-3 - Set the warning percentage value for timeout</title><link>https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/faq/7/3/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/faq/7/3/</guid><description>&lt;h2 id="possible-reasons">Possible Reasons&lt;/h2>
&lt;p>QOS sets the warning percentage value for timeout, which defaults to 0.75. After modification, this message will be printed in the console.&lt;/p>
&lt;h2 id="troubleshooting-and-resolution-steps">Troubleshooting and Resolution Steps&lt;/h2>
&lt;p>Please refer to the QOS operation manual &lt;a href="https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/qos/profiler/">Performance Sampling Command&lt;/a>.&lt;/p>
&lt;p style="margin-top: 3rem;"> &lt;/p></description></item><item><title>7-4 - QOS Service Startup Failure</title><link>https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/faq/7/4/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/faq/7/4/</guid><description>&lt;h3 id="possible-causes">Possible Causes&lt;/h3>
&lt;p>The QOS parameter values are not set correctly. The main parameters are &lt;code>qos.host&lt;/code> and &lt;code>qos.port&lt;/code>.&lt;/p>
&lt;h3 id="troubleshooting-and-resolution-steps">Troubleshooting and Resolution Steps&lt;/h3>
&lt;blockquote>
&lt;p>Please refer to the QOS operation manual &lt;a href="https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/qos/overview/">QOS Overview&lt;/a>.&lt;/p>
&lt;/blockquote></description></item><item><title>7-5 - QOS command not found</title><link>https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/faq/7/5/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/faq/7/5/</guid><description>&lt;h3 id="possible-causes">Possible Causes&lt;/h3>
&lt;p>The QOS command is misspelled.&lt;/p>
&lt;h2 id="troubleshooting-and-resolution-steps">Troubleshooting and Resolution Steps&lt;/h2>
&lt;p>The QOS command does not exist.&lt;/p>
&lt;blockquote>
&lt;p>Please refer to the QOS operation manual &lt;a href="https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/qos/command/">Basic Command Manual&lt;/a> for more information.&lt;/p>
&lt;/blockquote></description></item><item><title>7-6 - QOS encountered an unknown exception</title><link>https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/faq/7/6/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/faq/7/6/</guid><description>&lt;h3 id="possible-causes">Possible Causes&lt;/h3>
&lt;p>QOS encountered an unknown exception&lt;/p>
&lt;h3 id="troubleshooting-and-resolution-steps">Troubleshooting and Resolution Steps&lt;/h3>
&lt;ol>
&lt;li>Check whether the service for the current request is accessible.&lt;/li>
&lt;li>It is possible that for some reason, the &lt;code>CommandContext&lt;/code> instance could not be loaded or returned correctly. You can troubleshoot and locate the issue based on the error messages in the console.&lt;/li>
&lt;/ol></description></item><item><title>7-7 - QOS Unauthorized Access</title><link>https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/faq/7/7/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/faq/7/7/</guid><description>&lt;h3 id="possible-causes">Possible Causes&lt;/h3>
&lt;p>The QoS request is unauthorized to access the corresponding resource, which typically occurs in scenarios of malicious attacks.&lt;/p>
&lt;h3 id="troubleshooting-and-resolution-steps">Troubleshooting and Resolution Steps&lt;/h3>
&lt;p>Check if the request is expected. If not expected, check for any sources of malicious attacks.&lt;/p>
&lt;blockquote>
&lt;p>If it is expected, please refer to the article on &lt;a href="https://deploy-preview-3199--dubbo.netlify.app/en/overview/mannual/java-sdk/reference-manual/qos/overview#security">QoS Security&lt;/a> to configure the corresponding permission information.&lt;/p>
&lt;/blockquote></description></item></channel></rss>