java.lang.StringIndexOutOfBoundsException: String index out of range: -4
   at java.lang.String.substring(String.java:0)
   at org.eclipse.mylyn.internal.bugzilla.core.BugzillaUserMatchResponse.parseConfirmMatchInternal(BugzillaUserMatchResponse.java:115)
   at org.eclipse.mylyn.internal.bugzilla.core.BugzillaUserMatchResponse.parseResultConfirmMatch(BugzillaUserMatchResponse.java:70)
   at org.eclipse.mylyn.internal.bugzilla.core.BugzillaClient.parseRepositoryResponse(BugzillaClient.java:2042)
   at org.eclipse.mylyn.internal.bugzilla.core.BugzillaClient.parsePostResponse(BugzillaClient.java:1879)
   at org.eclipse.mylyn.internal.bugzilla.core.BugzillaClient.postTaskDataInternal(BugzillaClient.java:1339)
   at org.eclipse.mylyn.internal.bugzilla.core.BugzillaClient.postTaskData(BugzillaClient.java:1205)
   at org.eclipse.mylyn.internal.bugzilla.core.BugzillaTaskDataHandler.postTaskData(BugzillaTaskDataHandler.java:415)
   at org.netbeans.modules.mylyn.util.SubmitCommand.execute(SubmitCommand.java:87)
   at org.netbeans.modules.bugzilla.commands.BugzillaExecutor.execute(BugzillaExecutor.java:123)
   at org.netbeans.modules.bugzilla.commands.BugzillaExecutor.execute(BugzillaExecutor.java:103)
   at org.netbeans.modules.bugzilla.commands.BugzillaExecutor.execute(BugzillaExecutor.java:99)
   at org.netbeans.modules.bugzilla.commands.BugzillaExecutor.execute(BugzillaExecutor.java:95)
   at org.netbeans.modules.bugzilla.issue.BugzillaIssue.submitAndRefresh(BugzillaIssue.java:953)
   at org.netbeans.modules.bugzilla.issue.IssuePanel$14.run(IssuePanel.java:2488)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1454)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2048)