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https://issues.apache.org/jira/browse/LOG4J2-1769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15824283#comment-15824283
]
Mikael Ståldal commented on LOG4J2-1769:
----------------------------------------
GelfLayout works since it uses TextEncoderHelper. Added a unit test to make
sure.
> JsonLayout Throwing Exceptions And Producing Broken Logs
> --------------------------------------------------------
>
> Key: LOG4J2-1769
> URL: https://issues.apache.org/jira/browse/LOG4J2-1769
> Project: Log4j 2
> Issue Type: Bug
> Components: Layouts
> Affects Versions: 2.7
> Environment: All Platforms
> Reporter: Brandon Goodin
> Assignee: Remko Popma
> Fix For: 2.8
>
> Attachments: JSONLayoutIssuesTest.java, log4j2.xml,
> RequestStatistic.java
>
>
> In a multithreaded environment JsonLayout is throwing exceptions and
> producing fragmented logs. We were able to produce a test that demonstrates
> this. The following exceptions and broken logging are being seen.
> {code:title=IllegalArgumentException}
> 2017-01-06 16:57:59,173 Thread-98 ERROR An exception occurred processing
> Appender stdout java.lang.IllegalArgumentException
> at java.nio.Buffer.position(Buffer.java:244)
> at java.nio.HeapByteBuffer.put(HeapByteBuffer.java:191)
> at
> org.apache.logging.log4j.core.layout.AbstractLayout.writeTo(AbstractLayout.java:179)
> at
> org.apache.logging.log4j.core.layout.AbstractLayout.encode(AbstractLayout.java:160)
> at
> org.apache.logging.log4j.core.layout.AbstractLayout.encode(AbstractLayout.java:36)
> 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.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.config.LoggerConfig.processLogEvent(LoggerConfig.java:432)
> at
> org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:416)
> at
> org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:402)
> 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.logMessageSafely(AbstractLogger.java:2091)
> at
> org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1988)
> at
> org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1960)
> at
> org.apache.logging.log4j.spi.AbstractLogger.info(AbstractLogger.java:1297)
> at
> org.apache.logging.log4j.JSONLayoutIssuesTest$LoggingThread.run(JSONLayoutIssuesTest.java:54)
> {code}
> {code:title=BufferOverflowException}
> 2017-01-06 16:57:59,194 Thread-99 ERROR An exception occurred processing
> Appender stdout java.nio.BufferOverflowException
> at java.nio.HeapByteBuffer.put(HeapByteBuffer.java:189)
> at
> org.apache.logging.log4j.core.layout.AbstractLayout.writeTo(AbstractLayout.java:179)
> at
> org.apache.logging.log4j.core.layout.AbstractLayout.encode(AbstractLayout.java:160)
> at
> org.apache.logging.log4j.core.layout.AbstractLayout.encode(AbstractLayout.java:36)
> 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.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.config.LoggerConfig.processLogEvent(LoggerConfig.java:432)
> at
> org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:416)
> at
> org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:402)
> 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.logMessageSafely(AbstractLogger.java:2091)
> at
> org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1971)
> at
> org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1829)
> at
> org.apache.logging.log4j.spi.AbstractLogger.info(AbstractLogger.java:1287)
> at
> org.apache.logging.log4j.JSONLayoutIssuesTest$LoggingThread.run(JSONLayoutIssuesTest.java:53)
> {code}
> {code:title=BrokenLogs}
> {"timeMillis":1483743479195,"thread":"Thread-49","level":"INFO","loggerName":"org.apache.logging.log4j.JSONLayoutIssuesTest","message":"This
> is simple
> text.","endOfBatch":false,"loggerFqcn":"org.apache.logging.log4j.spi.AbstractLogger","threadId":61,"threadPriority":5}
> {"timeMillis":1483743479195,"thread":"Thread-42","level":"INFO","loggerName":"org.apache.logging.log4j.JSONLayoutIssuesTest","message":"This
> is simple
> text.","endOfBatch":false,"loggerFqcn":"org.apache.logging.log4j.spi.AbstractLogger","threadId":54,"threadPriority":5}
> hreadPriority":5}
> {code}
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