Aaron Daniels created LOG4J2-177: ------------------------------------ Summary: ERROR StatusLogger An exception occurred processing Appender udpsocket java.lang.NullPointerException Key: LOG4J2-177 URL: https://issues.apache.org/jira/browse/LOG4J2-177 Project: Log4j 2 Issue Type: Bug Components: Appenders Affects Versions: 2.0-beta4 Reporter: Aaron Daniels
This seems to be a race condition of some kind. Two threads are exiting at almost exactly the same time, and both print a message as they exit. This exception happens every 3 or 4 times the code is run, so it's easily reproducible. ERROR StatusLogger An exception occurred processing Appender udpsocket java.lang.NullPointerException at org.apache.logging.log4j.core.net.DatagramOutputStream.flush(DatagramOutputStream.java:93) at org.apache.logging.log4j.core.appender.OutputStreamManager.flush(OutputStreamManager.java:146) at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:117) at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:102) at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:335) at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:316) at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:281) at org.apache.logging.log4j.core.Logger.log(Logger.java:108) at org.apache.logging.log4j.spi.AbstractLogger.trace(AbstractLogger.java:250) at com.galmont.automation.framework.gui.handlers.RunCycleHandler$2.run(RunCycleHandler.java:128) at java.lang.Thread.run(Unknown Source) My configuration file: <?xml version="1.0" encoding="UTF-8"?> <configuration status="OFF"> <appenders> <Console name="console" target="SYSTEM_OUT"> <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" /> </Console> <Socket name="udpsocket" host="localhost" port="90" protocol="UDP"> <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" /> </Socket> <RollingFile name="RollingFile" fileName="logs/app.log" filePattern="logs/$${date:yyyy-MM}/app-%d{MM-dd-yyyy}-%i.log.gz"> <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" /> <Policies> <SizeBasedTriggeringPolicy size="20 MB" /> </Policies> </RollingFile> </appenders> <loggers> <root level="trace"> <appender-ref ref="console" /> <appender-ref ref="udpsocket" /> <appender-ref ref="RollingFile" /> </root> </loggers> </configuration> -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- To unsubscribe, e-mail: log4j-dev-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-dev-h...@logging.apache.org