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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin: 10px 0 0 0; margin-top: 0">We're seeing a bunch of threads on our production waiting below (during appender):</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
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<pre class="code-java" style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-quote" style="color: #009100">"qtp1499867659-166"</span> #166 prio=5 os_prio=0 cpu=293331.78ms elapsed=2247121.57s tid=0x00007f8664835000 nid=0xf16d waiting on condition [0x00007f744a409000]
java.lang.<span class="code-object" style="color: #910091">Thread</span>.State: WAITING (parking)
at jdk.internal.misc.Unsafe.park(java.base@13.0.2/Native Method)
- parking to wait <span class="code-keyword" style="color: #000091">for</span> <0x00007f76ac67f000> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(java.base@13.0.2/LockSupport.java:194)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(java.base@13.0.2/AbstractQueuedSynchronizer.java:2081)
at java.util.concurrent.ArrayBlockingQueue.put(java.base@13.0.2/ArrayBlockingQueue.java:367)
at ch.qos.logback.core.AsyncAppenderBase.put(AsyncAppenderBase.java:160)
at ch.qos.logback.core.AsyncAppenderBase.append(AsyncAppenderBase.java:148)
at ch.qos.logback.core.UnsynchronizedAppenderBase.doAppend(UnsynchronizedAppenderBase.java:84)
at ch.qos.logback.core.spi.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:48)
at ch.qos.logback.classic.Logger.appendLoopOnAppenders(Logger.java:270)
at ch.qos.logback.classic.Logger.callAppenders(Logger.java:257)
at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:421)
at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:383)
at ch.qos.logback.classic.Logger.log(Logger.java:765)
at org.eclipse.jetty.util.log.JettyAwareLogger.log(JettyAwareLogger.java:625)
at org.eclipse.jetty.util.log.JettyAwareLogger.warn(JettyAwareLogger.java:413)
at org.eclipse.jetty.util.log.Slf4jLog.warn(Slf4jLog.java:59)
at org.eclipse.jetty.io.ManagedSelector$Accept.failed(ManagedSelector.java:772)
at org.eclipse.jetty.io.ManagedSelector$Accept.run(ManagedSelector.java:765)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)
at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938)
at java.lang.<span class="code-object" style="color: #910091">Thread</span>.run(java.base@13.0.2/<span class="code-object" style="color: #910091">Thread</span>.java:830)</pre>
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</div> <p style="margin: 10px 0 0 0">Is there a fix available for this?</p> </td>
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