Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

java.lang.NullPointerException: null	at org.jboss.as.arquillian.container.ServerSetupObserver.handleAfterUndeploy(ServerSetupObserver.java:161)	at org.jboss.as.test.clustering.NodeUtil.undeploy(NodeUtil.java:48)	at org.jboss.as.test.clustering.cluster.ClusterAbstractTestCase.afterTestMethod(ClusterAbstractTestCase.java:101)