java.lang.NullPointerException: This exception has no message.

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via Coderanch by Campbell Ritchie, 1 year ago
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via Jenkins JIRA by j c, 1 year ago
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via Jenkins JIRA by j c, 2 years ago
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via GitHub by Xperthobbit
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via Jenkins JIRA by Richard Ward, 1 year ago
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via Jenkins JIRA by Richard Ward, 2 years ago
This exception has no message.
java.lang.NullPointerException	at java.util.regex.Pattern.<init>(Pattern.java:1336)	at java.util.regex.Pattern.compile(Pattern.java:1022)	at assignment.MainFrame.<init>(MainFrame.java:29)	at assignment.MainFrame$2.run(MainFrame.java:277)	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)	at java.awt.EventQueue.access$200(EventQueue.java:103)	at java.awt.EventQueue$3.run(EventQueue.java:694)	at java.awt.EventQueue$3.run(EventQueue.java:692)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)