java.util.ConcurrentModificationException
   at java.util.LinkedHashMap$LinkedHashIterator.nextNode(LinkedHashMap.java:711)
   at java.util.LinkedHashMap$LinkedValueIterator.next(LinkedHashMap.java:739)
   at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1042)
   at org.netbeans.modules.jira.issue.NbJiraIssue.getCustomFields(NbJiraIssue.java:623)
   at org.netbeans.modules.jira.issue.IssuePanel.getSupportedCustomFields(IssuePanel.java:557)
   at org.netbeans.modules.jira.issue.IssuePanel.updateCustomFieldStatuses(IssuePanel.java:1376)
   at org.netbeans.modules.jira.issue.IssuePanel.updateFieldStatuses(IssuePanel.java:1363)
   at org.netbeans.modules.jira.issue.IssuePanel.access$2600(IssuePanel.java:169)
   at org.netbeans.modules.jira.issue.IssuePanel$14$1.run(IssuePanel.java:1305)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
   at java.awt.EventQueue.access$500(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:709)
   at java.awt.EventQueue$3.run(EventQueue.java:703)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)