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Posted to java-dev@axis.apache.org by "David R. Kraus (JIRA)" <ji...@apache.org> on 2007/02/02 18:46:05 UTC
[jira] Commented: (AXIS2-1706) Null pointer in RPCMessageReceiver.
invokeBusinessLogic when QName is null for outAxisMessage when returning
from void web service call.
[ https://issues.apache.org/jira/browse/AXIS2-1706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12469810 ]
David R. Kraus commented on AXIS2-1706:
---------------------------------------
I tried using RPCInOnlyMessageReceiver and now I am getting an error "Reason: Incoming message input stream is null". I don't know where this is coming from. There doesn't seem to be any exception stack trace anywhere. It does seem to be happening after the function is over and it is returning back through Axis.
> Null pointer in RPCMessageReceiver. invokeBusinessLogic when QName is null for outAxisMessage when returning from void web service call.
> ----------------------------------------------------------------------------------------------------------------------------------------
>
> Key: AXIS2-1706
> URL: https://issues.apache.org/jira/browse/AXIS2-1706
> Project: Axis 2.0 (Axis2)
> Issue Type: Bug
> Components: rpc
> Affects Versions: 1.1
> Environment: Windows XP with Axis2 1.1 running under Tomcat 5.0.28. Also, using JDK 1.4.2_10.
> Reporter: David R. Kraus
> Assigned To: Deepal Jayasinghe
>
> Issue is logged as Major for now, but soon (1-2 months) we will go into production with this so this may become a Blocker for us. We need the ability to create web service API methods which do not return a value.
> Description:
> Simple Logout web service API method simply disconnects an application session and then experiences a null pointer exception when returning back through Axis layer. The Logout methout has no return value(void).
> Exception occurs on outaxismessage.getElementQName().getNamespaceURI() call because the element QName is null (RPCMessageReceiver. invokeBusinessLogic ).
> AxisMessage outaxisMessage = op.getMessage(WSDLConstants.MESSAGE_LABEL_OUT_VALUE);
> if (inAxisMessage != null) {
> messageNameSpace = outaxisMessage.getElementQName().getNamespaceURI(); //null pointer
> }
> Earlier in the method, inaxisMessage.getElementQName is checked for a null value, leading me to believe that the listed code is in error.
> Using Eclipse in debug mode, I skipped the offending code, and the operation finished with no error, leading me to believe that a simple check for null would work. Also, when I added a String return value to the method everything worked fine.
> Web Service method signature is:
> public void logout(String sessionState) throws Exception;
> ...and no value is returned.
> WSDL of the full Web Service follows. Logout is the method which causes the exception. Logout2 is the the exact same method with a String return value, which has no problem.
> ==============Start WSDL==========================
> <wsdl:definitions xmlns:axis2="http://ws.apache.org/axis2" xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/" xmlns:ns0="http://ws.apache.org/axis2/xsd" xmlns:soap12="http://schemas.xmlsoap.org/wsdl/soap12/" xmlns:http="http://schemas.xmlsoap.org/wsdl/http/" xmlns:ns1="http://org.apache.axis2/xsd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" targetNamespace="http://ws.apache.org/axis2"><wsdl:documentation>WusfDemo</wsdl:documentation><wsdl:types><xs:schema xmlns:ns="http://ws.apache.org/axis2/xsd" attributeFormDefault="qualified" elementFormDefault="qualified" targetNamespace="http://ws.apache.org/axis2/xsd">
> <xs:element name="executeReportAsGraphFault">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="executeReportAsGraphFault" type="xs:anyType" />
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> <xs:element name="executeReportAsGraph">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="sessionState" nillable="true" type="xs:string" />
> <xs:element name="reportName" nillable="true" type="xs:string" />
> <xs:element name="reportID" nillable="true" type="xs:string" />
> <xs:element name="resultFlags" nillable="true" type="xs:int" />
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> <xs:element name="executeReportAsGraphResponse">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="return" nillable="true" type="xs:string" />
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> <xs:element name="executeReportAsGridFault">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="executeReportAsGridFault" type="xs:anyType" />
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> <xs:element name="executeReportAsGrid">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="sessionState" nillable="true" type="xs:string" />
> <xs:element name="reportName" nillable="true" type="xs:string" />
> <xs:element name="reportID" nillable="true" type="xs:string" />
> <xs:element name="resultFlags" nillable="true" type="xs:int" />
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> <xs:element name="executeReportAsGridResponse">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="return" nillable="true" type="xs:string" />
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> <xs:element name="loginFault">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="loginFault" type="xs:anyType" />
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> <xs:element name="login">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="serverName" nillable="true" type="xs:string" />
> <xs:element name="projectName" nillable="true" type="xs:string" />
> <xs:element name="userName" nillable="true" type="xs:string" />
> <xs:element name="password" nillable="true" type="xs:string" />
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> <xs:element name="loginResponse">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="return" nillable="true" type="xs:string" />
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> <xs:element name="logout2Fault">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="logout2Fault" type="xs:anyType" />
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> <xs:element name="logout2">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="sessionState" nillable="true" type="xs:string" />
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> <xs:element name="logout2Response">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="return" nillable="true" type="xs:string" />
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> <xs:element name="logoutFault">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="logoutFault" type="xs:anyType" />
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> <xs:element name="logout">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="sessionState" nillable="true" type="xs:string" />
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> </xs:schema></wsdl:types><wsdl:message name="executeReportAsGridMessage"><wsdl:part name="part1" element="ns0:executeReportAsGrid" /></wsdl:message><wsdl:message name="executeReportAsGridResponse"><wsdl:part name="part1" element="ns0:executeReportAsGridResponse" /></wsdl:message><wsdl:message name="executeReportAsGridFault"><wsdl:part name="part1" element="ns0:executeReportAsGridFault" /></wsdl:message><wsdl:message name="loginMessage"><wsdl:part name="part1" element="ns0:login" /></wsdl:message><wsdl:message name="loginResponse"><wsdl:part name="part1" element="ns0:loginResponse" /></wsdl:message><wsdl:message name="loginFault"><wsdl:part name="part1" element="ns0:loginFault" /></wsdl:message><wsdl:message name="logout2Message"><wsdl:part name="part1" element="ns0:logout2" /></wsdl:message><wsdl:message name="logout2Response"><wsdl:part name="part1" element="ns0:logout2Response" /></wsdl:message><wsdl:message name="logout2Fault"><wsdl:part name="part1" element="ns0:logout2Fault" /></wsdl:message><wsdl:message name="executeReportAsGraphMessage"><wsdl:part name="part1" element="ns0:executeReportAsGraph" /></wsdl:message><wsdl:message name="executeReportAsGraphResponse"><wsdl:part name="part1" element="ns0:executeReportAsGraphResponse" /></wsdl:message><wsdl:message name="executeReportAsGraphFault"><wsdl:part name="part1" element="ns0:executeReportAsGraphFault" /></wsdl:message><wsdl:message name="logoutMessage"><wsdl:part name="part1" element="ns0:logout" /></wsdl:message><wsdl:message name="logoutResponse" /><wsdl:message name="logoutFault"><wsdl:part name="part1" element="ns0:logoutFault" /></wsdl:message><wsdl:portType name="WusfDemoPortType"><wsdl:operation name="executeReportAsGrid"><wsdl:input xmlns:wsaw="http://www.w3.org/2006/05/addressing/wsdl" message="axis2:executeReportAsGridMessage" wsaw:Action="urn:executeReportAsGrid" /><wsdl:output message="axis2:executeReportAsGridResponse" /><wsdl:fault message="axis2:executeReportAsGridFault" name="executeReportAsGridFault" /></wsdl:operation><wsdl:operation name="login"><wsdl:input xmlns:wsaw="http://www.w3.org/2006/05/addressing/wsdl" message="axis2:loginMessage" wsaw:Action="urn:login" /><wsdl:output message="axis2:loginResponse" /><wsdl:fault message="axis2:loginFault" name="loginFault" /></wsdl:operation><wsdl:operation name="logout2"><wsdl:input xmlns:wsaw="http://www.w3.org/2006/05/addressing/wsdl" message="axis2:logout2Message" wsaw:Action="urn:logout2" /><wsdl:output message="axis2:logout2Response" /><wsdl:fault message="axis2:logout2Fault" name="logout2Fault" /></wsdl:operation><wsdl:operation name="executeReportAsGraph"><wsdl:input xmlns:wsaw="http://www.w3.org/2006/05/addressing/wsdl" message="axis2:executeReportAsGraphMessage" wsaw:Action="urn:executeReportAsGraph" /><wsdl:output message="axis2:executeReportAsGraphResponse" /><wsdl:fault message="axis2:executeReportAsGraphFault" name="executeReportAsGraphFault" /></wsdl:operation><wsdl:operation name="logout"><wsdl:input xmlns:wsaw="http://www.w3.org/2006/05/addressing/wsdl" message="axis2:logoutMessage" wsaw:Action="urn:logout" /><wsdl:output message="axis2:logoutResponse" /><wsdl:fault message="axis2:logoutFault" name="logoutFault" /></wsdl:operation></wsdl:portType><wsdl:binding name="WusfDemoSOAP11Binding" type="axis2:WusfDemoPortType"><soap:binding transport="http://schemas.xmlsoap.org/soap/http" style="document" /><wsdl:operation name="executeReportAsGrid"><soap:operation soapAction="urn:executeReportAsGrid" style="document" /><wsdl:input><soap:body use="literal" /></wsdl:input><wsdl:output><soap:body use="literal" /></wsdl:output><wsdl:fault name="executeReportAsGridFault"><soap:body use="literal" /></wsdl:fault></wsdl:operation><wsdl:operation name="login"><soap:operation soapAction="urn:login" style="document" /><wsdl:input><soap:body use="literal" /></wsdl:input><wsdl:output><soap:body use="literal" /></wsdl:output><wsdl:fault name="loginFault"><soap:body use="literal" /></wsdl:fault></wsdl:operation><wsdl:operation name="logout2"><soap:operation soapAction="urn:logout2" style="document" /><wsdl:input><soap:body use="literal" /></wsdl:input><wsdl:output><soap:body use="literal" /></wsdl:output><wsdl:fault name="logout2Fault"><soap:body use="literal" /></wsdl:fault></wsdl:operation><wsdl:operation name="executeReportAsGraph"><soap:operation soapAction="urn:executeReportAsGraph" style="document" /><wsdl:input><soap:body use="literal" /></wsdl:input><wsdl:output><soap:body use="literal" /></wsdl:output><wsdl:fault name="executeReportAsGraphFault"><soap:body use="literal" /></wsdl:fault></wsdl:operation><wsdl:operation name="logout"><soap:operation soapAction="urn:logout" style="document" /><wsdl:input><soap:body use="literal" /></wsdl:input><wsdl:output><soap:body use="literal" /></wsdl:output><wsdl:fault name="logoutFault"><soap:body use="literal" /></wsdl:fault></wsdl:operation></wsdl:binding><wsdl:binding name="WusfDemoSOAP12Binding" type="axis2:WusfDemoPortType"><soap12:binding transport="http://schemas.xmlsoap.org/soap/http" style="document" /><wsdl:operation name="executeReportAsGrid"><soap12:operation soapAction="urn:executeReportAsGrid" style="document" /><wsdl:input><soap12:body use="literal" /></wsdl:input><wsdl:output><soap12:body use="literal" /></wsdl:output><wsdl:fault name="executeReportAsGridFault"><soap12:fault use="literal" name="executeReportAsGridFault" /></wsdl:fault></wsdl:operation><wsdl:operation name="login"><soap12:operation soapAction="urn:login" style="document" /><wsdl:input><soap12:body use="literal" /></wsdl:input><wsdl:output><soap12:body use="literal" /></wsdl:output><wsdl:fault name="loginFault"><soap12:fault use="literal" name="loginFault" /></wsdl:fault></wsdl:operation><wsdl:operation name="logout2"><soap12:operation soapAction="urn:logout2" style="document" /><wsdl:input><soap12:body use="literal" /></wsdl:input><wsdl:output><soap12:body use="literal" /></wsdl:output><wsdl:fault name="logout2Fault"><soap12:fault use="literal" name="logout2Fault" /></wsdl:fault></wsdl:operation><wsdl:operation name="executeReportAsGraph"><soap12:operation soapAction="urn:executeReportAsGraph" style="document" /><wsdl:input><soap12:body use="literal" /></wsdl:input><wsdl:output><soap12:body use="literal" /></wsdl:output><wsdl:fault name="executeReportAsGraphFault"><soap12:fault use="literal" name="executeReportAsGraphFault" /></wsdl:fault></wsdl:operation><wsdl:operation name="logout"><soap12:operation soapAction="urn:logout" style="document" /><wsdl:input><soap12:body use="literal" /></wsdl:input><wsdl:output><soap12:body use="literal" /></wsdl:output><wsdl:fault name="logoutFault"><soap12:fault use="literal" name="logoutFault" /></wsdl:fault></wsdl:operation></wsdl:binding><wsdl:binding name="WusfDemoHttpBinding" type="axis2:WusfDemoPortType"><http:binding verb="POST" /><wsdl:operation name="executeReportAsGrid"><http:operation location="executeReportAsGrid" /><wsdl:input><mime:content type="text/xml" /></wsdl:input><wsdl:output><mime:content type="text/xml" /></wsdl:output></wsdl:operation><wsdl:operation name="login"><http:operation location="login" /><wsdl:input><mime:content type="text/xml" /></wsdl:input><wsdl:output><mime:content type="text/xml" /></wsdl:output></wsdl:operation><wsdl:operation name="logout2"><http:operation location="logout2" /><wsdl:input><mime:content type="text/xml" /></wsdl:input><wsdl:output><mime:content type="text/xml" /></wsdl:output></wsdl:operation><wsdl:operation name="executeReportAsGraph"><http:operation location="executeReportAsGraph" /><wsdl:input><mime:content type="text/xml" /></wsdl:input><wsdl:output><mime:content type="text/xml" /></wsdl:output></wsdl:operation><wsdl:operation name="logout"><http:operation location="logout" /><wsdl:input><mime:content type="text/xml" /></wsdl:input><wsdl:output><mime:content type="text/xml" /></wsdl:output></wsdl:operation></wsdl:binding><wsdl:service name="WusfDemo"><wsdl:port name="WusfDemoSOAP11port_http" binding="axis2:WusfDemoSOAP11Binding"><soap:address location="http://localhost:8080/axis2/services/WusfDemo" /></wsdl:port><wsdl:port name="WusfDemoSOAP12port_http" binding="axis2:WusfDemoSOAP12Binding"><soap12:address location="http://localhost:8080/axis2/services/WusfDemo" /></wsdl:port><wsdl:port name="WusfDemoHttpport1" binding="axis2:WusfDemoHttpBinding"><http:address location="http://localhost:8080/axis2/rest/WusfDemo" /></wsdl:port></wsdl:service></wsdl:definitions>
> =====================end WSDL==================
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