NPE from org.apache.log4j.CategoryKey. -------------------------------------- Key: JGRP-2158 URL: https://issues.jboss.org/browse/JGRP-2158 Project: JGroups Issue Type: Bug Affects Versions: 3.6.11 Reporter: Biswajit Bhuyan Assignee: Bela Ban Getting NPE from jGroup. Please find the stacktrace below: java.lang.NullPointerException at org.apache.log4j.CategoryKey.<init>(CategoryKey.java:32) at org.apache.log4j.Hierarchy.getLogger(Hierarchy.java:266) at org.apache.log4j.Hierarchy.getLogger(Hierarchy.java:247) at org.apache.log4j.LogManager.getLogger(LogManager.java:228) at org.apache.log4j.Logger.getLogger(Logger.java:104) at com.webmethods.rtl.util.Debug$JuliToLog4jHandler.getTargetLogger(Debug.java:1798) at com.webmethods.rtl.util.Debug$JuliToLog4jHandler.publish(Debug.java:1790) at java.util.logging.Logger.log(Logger.java:738) at org.jgroups.logging.JDKLogImpl.log(JDKLogImpl.java:49) at org.jgroups.logging.JDKLogImpl.log(JDKLogImpl.java:28) at org.jgroups.logging.JDKLogImpl.warn(JDKLogImpl.java:122) at org.jgroups.stack.Configurator.setDefaultValues(Configurator.java:754) at org.jgroups.stack.Configurator.setupProtocolStack(Configurator.java:117) at org.jgroups.stack.Configurator.setupProtocolStack(Configurator.java:57) at org.jgroups.stack.ProtocolStack.setup(ProtocolStack.java:476) at org.jgroups.JChannel.init(JChannel.java:852) at org.jgroups.JChannel.<init>(JChannel.java:159) at org.jgroups.JChannel.<init>(JChannel.java:148)