[LOG4J2-799] Log4j 2 throws ArrayIndexOutOfBoundsException

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 2.0-rc1, 2.0-rc2, 2.0.2
• Fix Version/s: 2.1
• Assignee: Unassigned
• Reporter: Nikita Koval
• Created: 25/Aug/14 17:26
• Updated: 18/Oct/15 13:48
• Resolved: 18/Oct/15 13:48

Description

Sometimes, logging throws java.lang.ArrayIndexOutOfBoundsException:

2014-05-23 01:01:37,019 ERROR An exception occurred processing Appender Err java.lang.ArrayIndexOutOfBoundsException: 6
        at org.apache.logging.log4j.core.impl.ThrowableProxy.formatElements(ThrowableProxy.java:269)
        at org.apache.logging.log4j.core.impl.ThrowableProxy.getExtendedStackTrace(ThrowableProxy.java:232)
        at org.apache.logging.log4j.core.pattern.ExtendedThrowablePatternConverter.format(ExtendedThrowablePatternConverter.java:72)
        at org.apache.logging.log4j.core.pattern.PatternFormatter.format(PatternFormatter.java:36)
        at org.apache.logging.log4j.core.layout.PatternLayout.toSerializable(PatternLayout.java:172)
        at org.apache.logging.log4j.core.layout.PatternLayout.toSerializable(PatternLayout.java:52)
        at org.apache.logging.log4j.core.layout.AbstractStringLayout.toByteArray(AbstractStringLayout.java:45)
        at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:118)
        at org.apache.logging.log4j.core.appender.RollingFileAppender.append(RollingFileAppender.java:85)
        at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:97)
        at org.apache.logging.log4j.core.appender.AsyncAppender$AsyncThread.callAppenders(AsyncAppender.java:276)
        at org.apache.logging.log4j.core.appender.AsyncAppender$AsyncThread.run(AsyncAppender.java:239)

Here is configuration:

<Configuration status="warn">

<Appenders>
    <Async name="Async" bufferSize="2048" blocking="${BLOCKING_LOG}">
        <appender-ref ref="A1"/>
        <appender-ref ref="Err"/>
    </Async>

    <Async name="Async-profiler" bufferSize="2048" blocking="${BLOCKING_LOG}">
        <appender-ref ref="Profiler"/>
    </Async>

    <RollingFile name="A1" fileName="${GFT_VAR}/log/${target}.log" filePattern="${GFT_VAR}/log/${target}.log.%i">
        <PatternLayout pattern="[%d] [%t] %-5p %c - %m%n"/>
        <DefaultRolloverStrategy max="3"/>
        <Policies>
            <SizeBasedTriggeringPolicy size="50Mb"/>
        </Policies>
    </RollingFile>

    <RollingFile name="Err" fileName="${GFT_VAR}/log/${target}.err" filePattern="${GFT_VAR}/log/${target}.err.%i">
        <ThresholdFilter level="WARN" onMatch="ACCEPT" onMismatch="DENY"/>
        <PatternLayout pattern="[%d] [%t] %-5p %c - %m%n"/>
        <DefaultRolloverStrategy max="2"/>
        <Policies>
            <SizeBasedTriggeringPolicy size="10MB"/>
        </Policies>
    </RollingFile>

    <RollingFile name="Profiler" fileName="${GFT_VAR}/log/${target}.stat"
                 filePattern="${GFT_VAR}/log/${target}.stat.%i">
        <PatternLayout pattern="[%d] [%t] %-5p %c - %m%n"/>
        <DefaultRolloverStrategy max="3"/>
        <Policies>
            <SizeBasedTriggeringPolicy size="10MB"/>
        </Policies>
    </RollingFile>

</Appenders>

<Loggers>
    <Root level="debug">
        <AppenderRef ref="Async"/>
    </Root>

    <Logger name="net.sf" level="info">
        <AppenderRef ref="Async"/>
    </Logger>

    <Logger name="org.springframework.jdbc.core.JdbcTemplate" level="info">
        <AppenderRef ref="Async"/>
    </Logger>

    <Logger name="gft.service.stats.PoolableMetrics" additivity="false" level="info">
        <AppenderRef ref="Async"/>
    </Logger>

    <Logger name="gft.util.profiling.Profiler" additivity="false">
        <AppenderRef ref="Async-profiler"/>
    </Logger>

</Loggers>

</Configuration>

Issue Links

• is cloned by: LOG4J2-651 Log4j 2 throws ArrayIndexOutOfBoundsException