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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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java.lang.NullPointerException: 	at java.util.Hashtable.put(	at	at org.apache.axis.encoding.DeserializationContextImpl.parse(	at org.apache.axis.SOAPPart.getAsSOAPEnvelope(	at org.apache.axis.Message.getSOAPEnvelope(	at org.apache.axis.Message.getContentType(	at org.apache.axis.transport.http.AxisServlet.doPost(	at javax.servlet.http.HttpServlet.service(	at org.apache.axis.transport.http.AxisServletBase.service(	at javax.servlet.http.HttpServlet.service(	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(	at org.apache.catalina.core.ApplicationFilterChain.doFilter(	at org.apache.catalina.core.StandardWrapperValve.invoke(	at org.apache.catalina.core.StandardContextValve.invoke(	at org.apache.catalina.core.StandardHostValve.invoke(	at org.apache.catalina.valves.ErrorReportValve.invoke(	at org.apache.catalina.core.StandardEngineValve.invoke(	at org.apache.catalina.connector.CoyoteAdapter.service(	at org.apache.coyote.http11.Http11Processor.process(	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(	at	at	at org.apache.tomcat.util.threads.ThreadPool$	at