I got java.lang.NullPointerException error when I'm creating web service
using 'message' service type.
The specific method I used is 'public void method(SOAPEnvelope req,
SOAPEnvelope resp);'
For example, my request SOAP is
soapenv:Envelope xmlns:soapenv=http://schemas.xmlsoap.org/soap/envelope/;
xmlns:xsd=http://www.w3.org/2001/XMLSchema;
xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance;
soapenv:Header
/soapenv:Header
soapenv:Body
gid xmlns=5/gid
/soapenv:Body
/soapenv:Envelope
In the server side, I was tring to get the value of 'gid'. After I got the
value and I was going to use this value to query database, ERROR occured. I
also tried to just System.out.println(that value), ERROR still remained.
It seems that any use of that value will get this error.
soapenv:Body
xmlns:soapenv=http://schemas.xmlsoap.org/soap/envelope/;soapenv:Faultfaultcodesoapenv:Server.userException/faultcodefaultstringjava.lang.NullPointerException/faultstringdetailns1:stackTrace
xmlns:ns1=http://xml.apache.org/axis/;java.lang.NullPointerException
at customize.groupList1.deleteSQL(groupList1.java:158)
at customize.groupList1.deleteGroups(groupList1.java:135)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at
org.apache.axis.providers.java.MsgProvider.processMessage(MsgProvider.java:155)
at
org.apache.axis.providers.java.JavaProvider.invoke(JavaProvider.java:323)
at
org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118)
at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
at
org.apache.axis.handlers.soap.SOAPService.invoke(SOAPService.java:454)
at org.apache.axis.server.AxisServer.invoke(AxisServer.java:281)
at
org.apache.axis.transport.http.AxisServlet.doPost(AxisServlet.java:699)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at
org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Unknown Source)
/ns1:stackTracens2:hostname
xmlns:ns2=http://xml.apache.org/axis/;manticore/ns2:hostname/detail/soapenv:Fault/soapenv:Body
Any help??
Thanks in advance.
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