Log4j记录器类加载阻止应用程序线程

当应用程序线程大量尝试登录时，线程被阻塞。这是以前遇到过的。异步记录器是否解决了这方面的问题。下面是线程转储，指示应用程序线程在尝试大量记录异常时被阻塞。多个线程进入阻塞状态

"app[LARLAca][TG][T#7]" #55 daemon prio=5 os_prio=0 tid=0x00007f2de800b800 nid=0x2fee runnable [0x00007f2e048ee000]
   java.lang.Thread.State: RUNNABLE
    at java.util.zip.ZipFile.getEntry(Native Method)
    at java.util.zip.ZipFile.getEntry(ZipFile.java:316)
    - locked <0x00007f2f5c2e1310> (a java.util.jar.JarFile)
    at java.util.jar.JarFile.getEntry(JarFile.java:240)
    at java.util.jar.JarFile.getJarEntry(JarFile.java:223)
    at sun.misc.URLClassPath$JarLoader.getResource(URLClassPath.java:1054)
    at sun.misc.URLClassPath.getResource(URLClassPath.java:249)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:419)
    - locked <0x00007f2f5e3c4d30> (a java.lang.Object)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:352)
    at org.apache.logging.log4j.core.util.Loader.loadClass(Loader.java:240)
    at org.apache.logging.log4j.core.impl.ThrowableProxy.loadClass(ThrowableProxy.java:633)
    at org.apache.logging.log4j.core.impl.ThrowableProxy.loadClass(ThrowableProxy.java:624)
    at org.apache.logging.log4j.core.impl.ThrowableProxy.toExtendedStackTrace(ThrowableProxy.java:738)
    at org.apache.logging.log4j.core.impl.ThrowableProxy.<init>(ThrowableProxy.java:138)
    at org.apache.logging.log4j.core.impl.ThrowableProxy.<init>(ThrowableProxy.java:122)
    at org.apache.logging.log4j.core.impl.Log4jLogEvent.getThrownProxy(Log4jLogEvent.java:605)
    at org.apache.logging.log4j.core.pattern.ExtendedThrowablePatternConverter.format(ExtendedThrowablePatternConverter.java:64)
    at org.apache.logging.log4j.core.pattern.PatternFormatter.format(PatternFormatter.java:38)
    at org.apache.logging.log4j.core.layout.PatternLayout$PatternSerializer.toSerializable(PatternLayout.java:334)
    at org.apache.logging.log4j.core.layout.PatternLayout.toText(PatternLayout.java:233)
    at org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:218)
    at org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:58)
    at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:177)
    at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:170)
    at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:161)
    at org.apache.logging.log4j.core.appender.RollingFileAppender.append(RollingFileAppender.java:309)
    at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:156)
    at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:129)
    at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:120)
    at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84)
    at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:464)
    at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:448)
    at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:431)
    at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:406)
    at org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:63)
    at org.apache.logging.log4j.core.Logger.logMessage(Logger.java:146)
    at org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2170)
    at org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2125)
    at org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2108)
    at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1991)
    at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1835)
    at org.apache.logging.log4j.spi.AbstractLogger.warn(AbstractLogger.java:2684)

“app[LARLAca][TG][T#7]”#55守护进程prio=5 os#u prio=0 tid=0x00007f2de800b800 nid=0x2fee runnable[0x00007f2e048ee000]
java.lang.Thread.State:可运行
位于java.util.zip.ZipFile.getEntry（本机方法）
位于java.util.zip.ZipFile.getEntry（ZipFile.java:316）
-锁定（一个java.util.jar.jar文件）
位于java.util.jar.JarFile.getEntry（JarFile.java:240）
位于java.util.jar.JarFile.getJarEntry（JarFile.java:223）
位于sun.misc.URLClassPath$JarLoader.getResource（URLClassPath.java:1054）
位于sun.misc.URLClassPath.getResource（URLClassPath.java:249）
在java.net.URLClassLoader$1.run（URLClassLoader.java:366）
在java.net.URLClassLoader$1.run（URLClassLoader.java:363）
位于java.security.AccessController.doPrivileged（本机方法）
位于java.net.URLClassLoader.findClass（URLClassLoader.java:362）
位于java.lang.ClassLoader.loadClass（ClassLoader.java:419）
-锁定（一个java.lang.Object）
位于sun.misc.Launcher$AppClassLoader.loadClass（Launcher.java:352）
位于java.lang.ClassLoader.loadClass（ClassLoader.java:352）
位于org.apache.logging.log4j.core.util.Loader.loadClass（Loader.java:240）
位于org.apache.logging.log4j.core.impl.ThrowableProxy.loadClass（ThrowableProxy.java:633）
位于org.apache.logging.log4j.core.impl.ThrowableProxy.loadClass（ThrowableProxy.java:624）
位于org.apache.logging.log4j.core.impl.ThrowableProxy.toExtendedStackTrace（ThrowableProxy.java:738）
位于org.apache.logging.log4j.core.impl.ThrowableProxy.（ThrowableProxy.java:138）
位于org.apache.logging.log4j.core.impl.ThrowableProxy.（ThrowableProxy.java:122）
位于org.apache.logging.log4j.core.impl.Log4jLogEvent.getThrownProxy（Log4jLogEvent.java:605）
位于org.apache.logging.log4j.core.pattern.extendedThrowableTraphyConverter.format（extendedThrowableTraphyConverter.java:64）
位于org.apache.logging.log4j.core.pattern.PatternFormatter.format（PatternFormatter.java:38）
位于org.apache.logging.log4j.core.layout.PatternLayout$PatternSerializer.toSerializable（PatternLayout.java:334）
在org.apache.logging.log4j.core.layout.PatternLayout.toText（PatternLayout.java:233）上
在org.apache.logging.log4j.core.layout.PatternLayout.encode（PatternLayout.java:218）上
在org.apache.logging.log4j.core.layout.PatternLayout.encode（PatternLayout.java:58）上
位于org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent（AbstractOutputStreamAppender.java:177）
位于org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend（AbstractOutputStreamAppender.java:170）
位于org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append（AbstractOutputStreamAppender.java:161）
位于org.apache.logging.log4j.core.appender.RollingFileAppender.append（RollingFileAppender.java:309）
位于org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender（AppenderControl.java:156）
在org.apache.logging.log4j.core.config.AppenderControl.callAppender0（AppenderControl.java:129）
在org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion（AppenderControl.java:120）上
在org.apache.logging.log4j.core.config.AppenderControl.callAppender（AppenderControl.java:84）
位于org.apache.logging.log4j.core.config.LoggerConfig.callAppenders（LoggerConfig.java:464）
位于org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent（LoggerConfig.java:448）
位于org.apache.logging.log4j.core.config.LoggerConfig.log（LoggerConfig.java:431）
位于org.apache.logging.log4j.core.config.LoggerConfig.log（LoggerConfig.java:406）
在org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log（AwaitCompletionReliabilityStrategy.java:63）上
位于org.apache.logging.log4j.core.Logger.logMessage（Logger.java:146）
位于org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage（AbstractLogger.java:2170）
位于org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion（AbstractLogger.java:2125）
位于org.apache.logging.log4j.spi.AbstractLogger.LogMessageSafety（AbstractLogger.java:2108）
位于org.apache.logging.log4j.spi.AbstractLogger.logMessage（AbstractLogger.java:1991）
位于org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled（AbstractLogger.java:1835）
位于org.apache.logging.log4j.spi.AbstractLogger.warn（AbstractLogger.java:2684）

“app[LARLAca][TG][T#1]”44守护进程prio=5 os#u prio=0 tid=0x00007f36fe6b3000 nid=0x2fe3等待监视器条目[0x00007f2e06bb000]
java.lang.Thread.State:阻塞（在对象监视器上）
位于java.lang.ClassLoader.loadClass（ClassLoader.java:399）
-等待锁定（java.lang.Object）
位于sun.misc.Launcher$AppClassLoader.loadClass（Launcher.java:352）
位于java.lang.ClassLoader.loadClass（ClassLoader.java:352）
位于java.lang.Class.forName0（本机方法）
位于java.lang.Class.forName（Class.java:264）
位于org.apache.logging.log4j.util.LoaderUtil.loadClass（LoaderUtil.java:168）
位于org.apache.logging.log4j.core.impl.ThrowableProxy.loadClass（ThrowableProxy.java:622）
位于org.apache.logging.log4j.core.impl.ThrowableProxy.toExtendedStackTrace（ThrowableProxy.java:738）
位于org.apache.logging.log4j.core.impl.ThrowableProxy.（ThrowableProxy.java:138）
位于org.apache.logging.log4j.core.impl.ThrowableProxy.（ThrowableProxy.java:122）
位于org.apache.logging.log4j.core.impl.Log4jLogEvent.getThrownProxy（Log4jLogEvent.java:605）
位于org.apache.logging.log4j.core.pattern.extendedThrowableTraphyConverter.format（extendedThrowableTraphyConverter.java:64）
位于org.apache.logging.log4j.core.pattern.PatternFormatter.format（PatternFormatter.java:38）
在org.apache.logging.log4j.core.layout.PatternLayout$PatternSerial上
"app[LARLAca][TG][T#1]" #44 daemon prio=5 os_prio=0 tid=0x00007f36fe6b3000 nid=0x2fe3 waiting for monitor entry [0x00007f2e06bfb000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:399)
    - waiting to lock <0x00007f2f5e3c4d30> (a java.lang.Object)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:352)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:264)
    at org.apache.logging.log4j.util.LoaderUtil.loadClass(LoaderUtil.java:168)
    at org.apache.logging.log4j.core.impl.ThrowableProxy.loadClass(ThrowableProxy.java:622)
    at org.apache.logging.log4j.core.impl.ThrowableProxy.toExtendedStackTrace(ThrowableProxy.java:738)
    at org.apache.logging.log4j.core.impl.ThrowableProxy.<init>(ThrowableProxy.java:138)
    at org.apache.logging.log4j.core.impl.ThrowableProxy.<init>(ThrowableProxy.java:122)
    at org.apache.logging.log4j.core.impl.Log4jLogEvent.getThrownProxy(Log4jLogEvent.java:605)
    at org.apache.logging.log4j.core.pattern.ExtendedThrowablePatternConverter.format(ExtendedThrowablePatternConverter.java:64)
    at org.apache.logging.log4j.core.pattern.PatternFormatter.format(PatternFormatter.java:38)
    at org.apache.logging.log4j.core.layout.PatternLayout$PatternSerializer.toSerializable(PatternLayout.java:334)
    at org.apache.logging.log4j.core.layout.PatternLayout.toText(PatternLayout.java:233)
    at org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:218)
    at org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:58)
    at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:177)
    at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:170)
    at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:161)
    at org.apache.logging.log4j.core.appender.RollingFileAppender.append(RollingFileAppender.java:309)
    at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:156)
    at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:129)
    at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:120)
    at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84)
    at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:464)
    at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:448)
    at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:431)
    at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:406)
    at org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:63)
    at org.apache.logging.log4j.core.Logger.logMessage(Logger.java:146)
    at org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2170)
    at org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2125)
    at org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2108)
    at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1991)
    at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1835)
    at org.apache.logging.log4j.spi.AbstractLogger.warn(AbstractLogger.java:2684)