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Posted to dev@logging.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2017/09/15 15:52:00 UTC
[jira] [Commented] (LOG4J2-1914) AsyncLogger and message formatting
(ConcurrentModificationException)
[ https://issues.apache.org/jira/browse/LOG4J2-1914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16168058#comment-16168058 ]
ASF subversion and git services commented on LOG4J2-1914:
---------------------------------------------------------
Commit 95dedcff70687c1782a36cb6177272dddd64cab1 in logging-log4j2's branch refs/heads/master from rpopma
[ https://git-wip-us.apache.org/repos/asf?p=logging-log4j2.git;h=95dedcf ]
LOG4J2-1988, LOG4J2-1914 prevent ConcurrentModificationException with AsyncLoggerConfig
> 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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