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Posted to dev@logging.apache.org by "Remko Popma (JIRA)" <ji...@apache.org> on 2017/09/11 11:25:00 UTC
[jira] [Assigned] (LOG4J2-1914) AsyncLogger and message formatting
(ConcurrentModificationException)
[ https://issues.apache.org/jira/browse/LOG4J2-1914?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Remko Popma reassigned LOG4J2-1914:
-----------------------------------
Assignee: Remko Popma
> AsyncLogger and message formatting (ConcurrentModificationException)
> --------------------------------------------------------------------
>
> Key: LOG4J2-1914
> URL: https://issues.apache.org/jira/browse/LOG4J2-1914
> Project: Log4j 2
> Issue Type: Bug
> Affects Versions: 2.7
> Reporter: Leon Finker
> Assignee: Remko Popma
>
> Hi,
> The docs specify that the default for log4j.format.msg.async is false. But we still got the following log4j2 AsyncLogger processing exception. Does it mean that message formatting is async or maybe async up to 2.7 only? Or is this something else? Thank you
> 2017-05-18 08:02:44,570 Log4j2-TF-3-AsyncLoggerConfig-2 ERROR An exception occurred processing Appender AppLogFile java.util.ConcurrentModificationException
> at java.util.HashMap$HashIterator.nextNode(Unknown Source)
> at java.util.HashMap$EntryIterator.next(Unknown Source)
> at java.util.HashMap$EntryIterator.next(Unknown Source)
> at org.apache.logging.log4j.message.ParameterFormatter.appendMap(ParameterFormatter.java:569)
> at org.apache.logging.log4j.message.ParameterFormatter.appendPotentiallyRecursiveValue(ParameterFormatter.java:505)
> at org.apache.logging.log4j.message.ParameterFormatter.recursiveDeepToString(ParameterFormatter.java:432)
> at org.apache.logging.log4j.message.ParameterFormatter.formatMessage2(ParameterFormatter.java:189)
> at org.apache.logging.log4j.message.ParameterizedMessage.formatTo(ParameterizedMessage.java:225)
> at org.apache.logging.log4j.core.pattern.MessagePatternConverter.format(MessagePatternConverter.java:117)
> at org.apache.logging.log4j.core.pattern.PatternFormatter.format(PatternFormatter.java:38)
> at org.apache.logging.log4j.core.layout.PatternLayout$PatternSerializer.toSerializable(PatternLayout.java:294)
> at org.apache.logging.log4j.core.layout.PatternLayout.toText(PatternLayout.java:195)
> at org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:180)
> at org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:57)
> at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:176)
> at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:169)
> at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:160)
> at org.apache.logging.log4j.core.appender.RollingRandomAccessFileAppender.append(RollingRandomAccessFileAppender.java:104)
> 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:447)
> at org.apache.logging.log4j.core.async.AsyncLoggerConfig.asyncCallAppenders(AsyncLoggerConfig.java:114)
> at org.apache.logging.log4j.core.async.AsyncLoggerConfigDisruptor$Log4jEventWrapperHandler.onEvent(AsyncLoggerConfigDisruptor.java:112)
> at org.apache.logging.log4j.core.async.AsyncLoggerConfigDisruptor$Log4jEventWrapperHandler.onEvent(AsyncLoggerConfigDisruptor.java:98)
> at com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:129)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
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