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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 GitHub by tazmaniax
, 8 months ago
This exception has no message.
via GitHub by lucboudreau
, 6 months ago
This exception has no message.
via Apache Bugzilla by thomas.eliasson, 1 year ago
via GitHub by GoogleCodeExporter
, 1 year ago
This exception has no message.
via GitHub by jprante
, 2 years ago
This exception has no message.
via Google Groups by Unknown author, 6 months ago
This exception has no message.
java.lang.NullPointerException: 	at java.util.Hashtable.put(Unknown Source)	at com.headissue.asterisk.jtapi.gjtapi.AsteriskProvider.createCall(AsteriskProvider.java:131)	at net.sourceforge.gjtapi.raw.ProviderFactory.createCall(ProviderFactory.java:124)	at net.sourceforge.gjtapi.FreeCall.connect(FreeCall.java:341)