[LOG4J2-139] NPE while using SocketAppender

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0-beta3
• Fix Version/s: 2.0-beta4, 2.0-beta8

Environment

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Gradle 1.3
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Gradle build time: Dienstag, 20. November 2012 11:37 Uhr UTC
Groovy: 1.8.6
Ant: Apache Ant(TM) version 1.8.4 compiled on May 22 2012
Ivy: 2.2.0
JVM: 1.7.0_10 (Oracle Corporation 23.6-b04)
OS: Mac OS X 10.8.2 x86_64

• Assignee: Ralph Goers
• Reporter: Joern Huxhorn
• Created: 06/Jan/13 00:01
• Updated: 10/Jun/13 12:19
• Resolved: 10/Jun/13 06:49

Description

I try to use the SocketAppender and get the following ERROR/NPE:

2013-01-06 00:54:14,024 DEBUG Generated plugins in 0.000032000 seconds
2013-01-06 00:54:14,044 DEBUG Calling createLayout on class org.apache.logging.log4j.core.layout.PatternLayout for element PatternLayout with params(pattern="%d

{HH:mm:ss.SSS}

[%t] %-5level %logger

{36} — %msg%n", Configuration(/Users/jhuxhorn/Documents/Projects/huxi/lilith/sandbox/log4j2-sandbox/build/resources/main/log4j2.xml), null, charset="null")
2013-01-06 00:54:14,045 DEBUG Generated plugins in 0.000029000 seconds
2013-01-06 00:54:14,049 DEBUG Calling createAppender on class org.apache.logging.log4j.core.appender.ConsoleAppender for element Console with params(PatternLayout(%d{HH:mm:ss.SSS} [%t] %-5level %logger{36}

— %msg%n), null, target="SYSTEM_OUT", name="Console", suppressExceptions="null")
2013-01-06 00:54:14,049 DEBUG Calling createLayout on class org.apache.logging.log4j.core.layout.SerializedLayout for element SerializedLayout
2013-01-06 00:54:14,052 DEBUG Calling createAppender on class org.apache.logging.log4j.core.appender.SocketAppender for element Socket with params(host="localhost", port="4560", protocol="null", reconnectionDelay="null", name="Socket", immediateFlush="null", suppressExceptions="null", SerializedLayout(org.apache.logging.log4j.core.layout.SerializedLayout@5cc4211b), null)
2013-01-06 00:54:14,054 ERROR Unable to invoke method createAppender in class org.apache.logging.log4j.core.appender.SocketAppender for element Socket java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.apache.logging.log4j.core.config.BaseConfiguration.createPluginObject(BaseConfiguration.java:711)
at org.apache.logging.log4j.core.config.BaseConfiguration.createConfiguration(BaseConfiguration.java:477)
at org.apache.logging.log4j.core.config.BaseConfiguration.createConfiguration(BaseConfiguration.java:469)
at org.apache.logging.log4j.core.config.BaseConfiguration.doConfigure(BaseConfiguration.java:156)
at org.apache.logging.log4j.core.config.BaseConfiguration.start(BaseConfiguration.java:114)
at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:251)
at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:267)
at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:134)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:75)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:30)
at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:165)
at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:174)
at de.huxhorn.lilith.sandbox.Log4j2Sandbox.main(Log4j2Sandbox.java:43)
Caused by: java.lang.NullPointerException
at org.apache.logging.log4j.core.appender.SocketAppender.createSocketManager(SocketAppender.java:95)
at org.apache.logging.log4j.core.appender.SocketAppender.createAppender(SocketAppender.java:86)
... 17 more

2013-01-06 00:54:14,056 ERROR Null object returned for Socket in appenders

My configuration looks like this:
<?xml version="1.0" encoding="UTF-8"?>
<configuration status="debug">
<appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d

{HH:mm:ss.SSS}

[%t] %-5level %logger

{36}

— %msg%n"/>
</Console>
<Socket name="Socket" host="localhost" port="4560">
<SerializedLayout />
</Socket>
</appenders>
<loggers>
<root level="all">
<appender-ref ref="Console"/>
<appender-ref ref="Socket"/>
</root>
</loggers>
</configuration>