Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  1. ,

    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.

Solutions on the web

via oodt-user by Cayanan, Michael D (388J), 1 year ago
This exception has no message.
via oodt-user by Cayanan, Michael D (388J), 1 year ago
This exception has no message.
via oodt-user by Cayanan, Michael D (388J), 1 year ago
This exception has no message.
via oodt-user by Cayanan, Michael D (388J), 1 year ago
This exception has no message.
via oodt-user by Mattmann, Chris A (388J), 1 year ago
This exception has no message.
via oodt-user by Mattmann, Chris A (388J), 1 year ago
This exception has no message.
java.lang.NullPointerException at java.util.Hashtable.put(Hashtable.java:394) at org.apache.oodt.cas.workflow.util.XmlRpcStructFactory.getXmlRpcWorkflow(XmlRpcStructFactory.java:227) at org.apache.oodt.cas.workflow.util.XmlRpcStructFactory.getXmlRpcWorkflowInstance(XmlRpcStructFactory.java:114) at org.apache.oodt.cas.workflow.system.XmlRpcWorkflowManager.getWorkflowInstances(XmlRpcWorkflowManager.java:448) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.xmlrpc.Invoker.execute(Invoker.java:130) at org.apache.xmlrpc.XmlRpcWorker.invokeHandler(XmlRpcWorker.java:84) at org.apache.xmlrpc.XmlRpcWorker.execute(XmlRpcWorker.java:146) at org.apache.xmlrpc.XmlRpcServer.execute(XmlRpcServer.java:139) at org.apache.xmlrpc.XmlRpcServer.execute(XmlRpcServer.java:125) at org.apache.xmlrpc.WebServer$Connection.run(WebServer.java:761) at org.apache.xmlrpc.WebServer$Runner.run(WebServer.java:642) at java.lang.Thread.run(Thread.java:680)