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

Solutions on the web

java.lang.NullPointerException: 	at$UserRoleActor.contains(	at$CachedDefaultRoleActors.contains(	at	at com.atlassian.jira.issue.fields.CommentSystemField.getRoleLevels(	at com.atlassian.jira.issue.fields.CommentSystemField.populateVelocityParams(	at com.atlassian.jira.issue.fields.CommentSystemField.getCreateHtml(	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)