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From "Brandon Goodin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LOG4J2-1769) JsonLayout Throwing Exceptions And Producing Broken Logs
Date Fri, 06 Jan 2017 23:05:58 GMT

     [ https://issues.apache.org/jira/browse/LOG4J2-1769?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brandon Goodin updated LOG4J2-1769:
-----------------------------------
    Attachment: JSONLayoutIssuesTest.java

Test that displays the exceptions and broken logs.

> 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
>         Attachments: JSONLayoutIssuesTest.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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