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From Jacob Kjome <h...@visi.com>
Subject null pointer problem in both 1.1 and 1.2alpha
Date Wed, 31 Dec 2003 19:39:16 GMT
I deployed a web service and that went fine, but when I try to call it, I get a 
reported NullPointerException.  Can anyone give me any hints on what is going 
on here?  I don't believe my implementation of the service is even getting 
called since I am printing to system.out as soon as that method gets called and 
that never gets printed.  Seems to be somewhere in the guts of Axis and/or the 
JDK itself.  Here's the stack trace from the server...

36625 [http8080-Processor25] INFO  org.apache.axis.EXCEPTIONS  - AxisFault:
AxisFault
 faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.userException
 faultSubcode: 
 faultString: java.lang.NullPointerException
 faultActor: 
 faultNode: 
 faultDetail: 
	{http://xml.apache.org/axis/}stackTrace:java.lang.NullPointerException
	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:324)
	at org.apache.axis.providers.java.RPCProvider.invokeMethod
(RPCProvider.java:397)
	at org.apache.axis.providers.java.RPCProvider.processMessage
(RPCProvider.java:304)
	at org.apache.axis.providers.java.JavaProvider.invoke
(JavaProvider.java:329)
	at org.apache.axis.strategies.InvocationStrategy.visit
(InvocationStrategy.java:71)
	at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:157)
	at org.apache.axis.SimpleChain.invoke(SimpleChain.java:122)
	at org.apache.axis.handlers.soap.SOAPService.invoke
(SOAPService.java:517)
	at org.apache.axis.server.AxisServer.invoke(AxisServer.java:324)
	at org.apache.axis.transport.http.AxisServlet.doPost
(AxisServlet.java:639)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
	at org.apache.axis.transport.http.AxisServletBase.service
(AxisServletBase.java:339)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:284)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:204)
	at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:256)
	at org.apache.catalina.core.StandardValveContext.invokeNext
(StandardValveContext.java:151)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:564)
	at org.apache.catalina.core.StandardContextValve.invokeInternal
(StandardContextValve.java:245)
	at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:199)
	at org.apache.catalina.core.StandardValveContext.invokeNext
(StandardValveContext.java:151)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:564)
	at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:195)
	at org.apache.catalina.core.StandardValveContext.invokeNext
(StandardValveContext.java:151)
	at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:164)
	at org.apache.catalina.core.StandardValveContext.invokeNext
(StandardValveContext.java:149)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:564)
	at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:156)
	at org.apache.catalina.core.StandardValveContext.invokeNext
(StandardValveContext.java:151)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:564)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:972)
	at org.apache.coyote.tomcat5.CoyoteAdapter.service
(CoyoteAdapter.java:211)
	at org.apache.coyote.http11.Http11Processor.process
(Http11Processor.java:805)
	at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnectio
n(Http11Protocol.java:696)
	at org.apache.tomcat.util.net.TcpWorkerThread.runIt
(PoolTcpEndpoint.java:605)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
(ThreadPool.java:677)
	at java.lang.Thread.run(Thread.java:534)

	{http://xml.apache.org/axis/}isRuntimeException:true

java.lang.NullPointerException
	at org.apache.axis.AxisFault.makeFault(AxisFault.java:137)
	at org.apache.axis.providers.java.JavaProvider.invoke
(JavaProvider.java:339)
	at org.apache.axis.strategies.InvocationStrategy.visit
(InvocationStrategy.java:71)
	at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:157)
	at org.apache.axis.SimpleChain.invoke(SimpleChain.java:122)
	at org.apache.axis.handlers.soap.SOAPService.invoke
(SOAPService.java:517)
	at org.apache.axis.server.AxisServer.invoke(AxisServer.java:324)
	at org.apache.axis.transport.http.AxisServlet.doPost
(AxisServlet.java:639)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
	at org.apache.axis.transport.http.AxisServletBase.service
(AxisServletBase.java:339)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:284)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:204)
	at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:256)
	at org.apache.catalina.core.StandardValveContext.invokeNext
(StandardValveContext.java:151)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:564)
	at org.apache.catalina.core.StandardContextValve.invokeInternal
(StandardContextValve.java:245)
	at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:199)
	at org.apache.catalina.core.StandardValveContext.invokeNext
(StandardValveContext.java:151)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:564)
	at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:195)
	at org.apache.catalina.core.StandardValveContext.invokeNext
(StandardValveContext.java:151)
	at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:164)
	at org.apache.catalina.core.StandardValveContext.invokeNext
(StandardValveContext.java:149)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:564)
	at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:156)
	at org.apache.catalina.core.StandardValveContext.invokeNext
(StandardValveContext.java:151)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:564)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:972)
	at org.apache.coyote.tomcat5.CoyoteAdapter.service
(CoyoteAdapter.java:211)
	at org.apache.coyote.http11.Http11Processor.process
(Http11Processor.java:805)
	at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnectio
n(Http11Protocol.java:696)
	at org.apache.tomcat.util.net.TcpWorkerThread.runIt
(PoolTcpEndpoint.java:605)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
(ThreadPool.java:677)
	at java.lang.Thread.run(Thread.java:534)
Caused by: java.lang.NullPointerException
	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:324)
	at org.apache.axis.providers.java.RPCProvider.invokeMethod
(RPCProvider.java:397)
	at org.apache.axis.providers.java.RPCProvider.processMessage
(RPCProvider.java:304)
	at org.apache.axis.providers.java.JavaProvider.invoke
(JavaProvider.java:329)
	... 33 more



Jake

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