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我想使用JMSAppender log4j2發送日誌到ActivMQ。爲什麼JMSAppender使用同步發送？我們可以改變它嗎？
我做了以下的conf
<?xml version="1.0" encoding="UTF-8"?>
<Configuration monitorInterval="5">
<Appenders>
<Console name="STDOUT" target="SYSTEM_OUT">
<PatternLayout
pattern="%d{HH:mm:ss.SSS} %highlight{[%-5p] %c{1.} - %m} %style{(%t)}{Cyan}%n" />
</Console>
<RollingFile name="fish" fileName="E:/fish/log/fish.server/fish.log"
filePattern="/log/fish.server/fish-%-d{yyyy-MM-dd-HH}.log">
<PatternLayout pattern="%-d{yyyy-MM-dd HH:mm:ss.SSS} %5p %c{1} - %m%n" />
<Policies>
<TimeBasedTriggeringPolicy />
</Policies>
</RollingFile>
<JMS name="jmsQueue" destinationBindingName="logQueue"
factoryName="org.apache.activemq.jndi.ActiveMQInitialContextFactory"
factoryBindingName="ConnectionFactory" providerURL="tcp://xxxxxx:61616">
<PatternLayout pattern="%-d{yyyy-MM-dd HH:mm:ss.SSS} %5p %c{1} - %m%n" />
</JMS>
</Appenders>
<Loggers>
<Logger name="jmsLogger" level="warn">
<AppenderRef ref="jmsQueue" />
</Logger>
<Root level="warn">
<!-- <AppenderRef ref="STDOUT" /> -->
<AppenderRef ref="fish" />
</Root>
</Loggers>
</Configuration>
在那之後，我有32個線程streamExecutor其中做了一些工作人員，然後使用jmsLogger.warn（XXXX）的。
我曾經做過一個線程轉儲我的應用程序，我注意到以下阻斷工作人員：？
"Log4j2-AsyncLogger[[email protected]]1" - Thread [email protected]
java.lang.Thread.State: WAITING
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <324492ea> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at java.util.concurrent.ArrayBlockingQueue.take(ArrayBlockingQueue.java:403)
at org.apache.activemq.transport.FutureResponse.getResult(FutureResponse.java:40)
at org.apache.activemq.transport.ResponseCorrelator.request(ResponseCorrelator.java:87)
at org.apache.activemq.ActiveMQConnection.syncSendPacket(ActiveMQConnection.java:1366)
at org.apache.activemq.ActiveMQConnection.syncSendPacket(ActiveMQConnection.java:1305)
at org.apache.activemq.ActiveMQSession.send(ActiveMQSession.java:1795)
- locked <1af6596a> (a java.lang.Object)
at org.apache.activemq.ActiveMQMessageProducer.send(ActiveMQMessageProducer.java:277)
at org.apache.activemq.ActiveMQMessageProducer.send(ActiveMQMessageProducer.java:212)
at org.apache.activemq.ActiveMQMessageProducerSupport.send(ActiveMQMessageProducerSupport.java:241)
at org.apache.logging.log4j.core.appender.mom.JmsAppender.append(JmsAppender.java:65)
at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:155)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:128)
at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:119)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84)
at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:390)
at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:375)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:359)
at org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:79)
at org.apache.logging.log4j.core.async.AsyncLogger.actualAsyncLog(AsyncLogger.java:310)
at org.apache.logging.log4j.core.async.RingBufferLogEvent.execute(RingBufferLogEvent.java:149)
at org.apache.logging.log4j.core.async.RingBufferLogEventHandler.onEvent(RingBufferLogEventHandler.java:45)
at org.apache.logging.log4j.core.async.RingBufferLogEventHandler.onEvent(RingBufferLogEventHandler.java:29)
at com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:129)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
所以現在的問題是，爲什麼在發送模式時線org.apache.activemq.ActiveMQConnection.syncSendPacket 。這造成了一些阻塞問題，並降低了我的表現。
Thnks很多:)