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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 weblogic.servlet.jsp.ServletJspContext.setAttribute(	at weblogic.servlet.jsp.Precompiler.compileOne(	at weblogic.servlet.jsp.Precompiler.compile(	at weblogic.servlet.internal.ServletContextImpl.precompileJSPs(	at weblogic.servlet.internal.dd.DescriptorLoader.createServletContext(	at weblogic.t3.srvr.HttpServer.loadWARContext(	at weblogic.t3.srvr.HttpServer.initServletContexts(	at weblogic.t3.srvr.HttpServer.start(	at weblogic.t3.srvr.T3Srvr.start(	at weblogic.t3.srvr.T3Srvr.main(	at java.lang.reflect.Method.invoke(Native Method)	at weblogic.Server.startServerDynamically(	at weblogic.Server.main(	at weblogic.Server.main(