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    Thrown when an application is trying to use or access an object whose reference equals to null. You are probably trying to use a reference that points to no location in memory as though it were referencing an object.

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via Oracle Community by 9ec3f616-fce4-4a45-891c-de33eddc924e, 1 year ago
via Oracle Community by Ace, 1 year ago
via Oracle Community by MZA_BaiG, 2 years ago
This exception has no message.
via nutch-user by 高睿, 2 years ago
This exception has no message.
java.lang.NullPointerException at java.util.Hashtable.put( at java.util.Properties.setProperty( at at oracle.dbtools.raptor.onsd.connection.ConnectionCreator.createConnection( at oracle.dbtools.raptor.onsd.connection.NSConnections$C.getConnection( at oracle.dbtools.raptor.onsd.connection.NSConnections.getConnection( at oracle.dbtools.raptor.onsd.navigator.OnsdConnection.openConnectionImpl( at oracle.dbtools.raptor.onsd.navigator.OnsdConnection.openConnectionImpl( at oracle.dbtools.raptor.navigator.db.BaseConnectionNode.getConnection( at oracle.dbtools.raptor.onsd.navigator.ConnectionTreeNode$LoadTask.doWork( at oracle.dbtools.raptor.onsd.navigator.ConnectionTreeNode$LoadTask.doWork( at at at oracle.dbtools.raptor.backgroundTask.RaptorTaskManager$ at java.util.concurrent.Executors$ at at java.util.concurrent.ThreadPoolExecutor.runWorker( at java.util.concurrent.ThreadPoolExecutor$ at