Frequently Asked Questions

  1. I'm getting an XNIO error on occasion. Was my deployment goal successful?
  2. Why do I see "WARN: can't load the config file because JBOSS_HOME environment variable is not set." when executing a command?
  3. Why do I see "java.lang.IllegalStateException: The LogManager was not properly installed (you must set the "java.util.logging.manager" system property to "org.jboss.logmanager.LogManager")" on older jboss such as 7.0.2?
I'm getting an XNIO error on occasion. Was my deployment goal successful?

Yes, your application deployed without errors. We are working on fixing this erroneous error in XNIO.

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Why do I see "WARN: can't load the config file because JBOSS_HOME environment variable is not set." when executing a command?

This is the command-line public API looking for the JBOSS_HOME directory. This error can be ignored.

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Why do I see "java.lang.IllegalStateException: The LogManager was not properly installed (you must set the "java.util.logging.manager" system property to "org.jboss.logmanager.LogManager")" on older jboss such as 7.0.2?

JBoss Modules used to require the log manager be passed via the command line but switched to using a service loader approach. The plugin no longer use the old method.

Workaround to this issue is to specify the log manager via the plugin's jvmArgs configuration. 

                    ...
                    <jvmArgs>
                        <!-- Below should be your default jboss jvm args -->
                        -Xms64m -Xmx512m -XX:MaxPermSize=256m -Djava.net.preferIPv4Stack=true
                        -Dorg.jboss.resolver.warning=true -Dsun.rmi.dgc.client.gcInterval=3600000
                        -Dsun.rmi.dgc.server.gcInterval=3600000
                        <!-- From this point on is the workaround -->
                        <!-- ${downloadedJbossDir} should point to your downloaded jboss -->
                        <!-- The jar file name should match your jboss version -->
                        -Djboss.modules.system.pkgs=org.jboss.byteman,org.jboss.logmanager
                        -Djava.util.logging.manager=org.jboss.logmanager.LogManager
                        -Xbootclasspath/p:${downloadedJbossDir}/modules/org/jboss/logmanager/main/jboss-logmanager-1.2.0.GA.jar
                        -Xbootclasspath/p:${downloadedJbossDir}/modules/org/jboss/logmanager/log4j/main/jboss-logmanager-log4j-1.0.0.GA.jar
                        -Xbootclasspath/p:${downloadedJbossDir}/modules/org/apache/log4j/main/log4j-1.2.16.jar
                    </jvmArgs>
                    ...

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