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

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This exception has no message.
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This exception has no message.
via GitHub by ggvw
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This exception has no message.
java.lang.NullPointerException:
at java.util.Hashtable.put(Hashtable.java:395)
at java.util.Properties.setProperty(Properties.java:102)
at java.lang.System.setProperty(System.java:656)
at com.evermind.server.OC4JMonitorThread.run(OC4JMonitorThread.java:300)
at java.lang.Thread.run(Thread.java:534)

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