Hi Kasun, I am not getting any error stack-trace. When I am remote debugging the code, it assigns
*Method threw 'java.lang.LinkageError' exception. Cannot evaluate org.apache.axiom.soap.impl.llom.soap11.SOAP11BodyImpl.toString()* as the value of env. Thanks On Thu, Sep 17, 2015 at 12:46 PM, Kasun Bandara <kas...@wso2.com> wrote: > Hi Chamila, > > Can you please attach the error stack-trace you are getting ? > > > Thanks. > > On Thu, Sep 17, 2015 at 9:43 AM, Chamila Wijayarathna <cham...@wso2.com> > wrote: > >> Hi all, >> >> Currently I am trying to call some methods of BPS-HumanTaskClientAPIAdmin >> from an IS back end component. To do this I have added >> "HumanTaskClientAPIAdmin.wsdl", "ws-humanyask-types.xsd" and "xml.xsd" >> files to currently existing service stub at IS, which is >> org.wso2.carbon.identity.workflow.mgt.bps.stub >> [1]. I took the HumanTaskClientAPIAdmin.wsdl from a latest BPS pack and >> other 2 files from [2]. >> I newly added following task to the pom.xml of the service stub. >> >> >> >> >> >> >> >> *<java classname="org.apache.axis2.wsdl.WSDL2Java" fork="true"> <arg >> line="-uri src/main/resources/HumanTaskUploader.wsdl -u -uw -o >> target/generated-code -p org.wso2.carbon.humantask.stub.upload -ns2p >> http://services.deployer.humantask.carbon.wso2.org >> <http://services.deployer.humantask.carbon.wso2.org>=org.wso2.carbon.humantask.stub.upload,http://services.deployer.humantask.carbon.wso2.org/xsd=org.wso2.carbon.humantask.stub.upload.types >> >> <http://services.deployer.humantask.carbon.wso2.org/xsd=org.wso2.carbon.humantask.stub.upload.types>"/> >> <classpath refid="maven.dependency.classpath"/> <classpath >> refid="maven.compile.classpath"/> <classpath >> refid="maven.runtime.classpath"/></java>* >> >> In my backend component where I need to call the methods of this stub, we >> already had a dependency to the stub. >> >> >> *<dependency>* >> >> >> >> * <groupId>org.wso2.carbon.identity</groupId> >> <artifactId>org.wso2.carbon.identity.workflow.mgt.bps.stub</artifactId></dependency>* >> >> Then I added following code to call the service through the stub. >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> *int tenantId = >> CarbonContext.getThreadLocalCarbonContext().getTenantId();List<BPSProfileDTO> >> bpsProfiles = >> bpsProfileDAO.listBPSProfiles(tenantId);HumanTaskClientAPIAdminStub stub = >> null;TSimpleQueryInput input = new TSimpleQueryInput();TStatus readyState = >> new TStatus();//TSimpleQueryCategory queryCategory = new >> TSimpleQueryCategory("ALL_TASKS", >> true);readyState.setTStatus("READY");input.addStatus(readyState);input.setPageSize(100000);input.setPageNumber(0);input.setSimpleQueryCategory(TSimpleQueryCategory.ALL_TASKS);for >> (int i = 0; i < bpsProfiles.size(); i++) { String host = >> bpsProfiles.get(i).getHost(); URL servicesUrl = new URL(new URL(host), >> "services/HumanTaskClientAPIAdmin"); stub = new >> HumanTaskClientAPIAdminStub(servicesUrl.toString()); ServiceClient client >> = stub._getServiceClient(); authenticate(client, >> bpsProfiles.get(i).getUsername(), bpsProfiles.get(i).getUsername()); >> TTaskSimpleQueryResultSet results = stub.simpleQuery(input);}* >> >> But when I call the stub.simpleQuery() method I am getting an error without >> any details and when I debugged the code, I found out that it gives a >> *Method threw 'java.lang.LinkageError' exception. Cannot evaluate >> org.apache.axiom.soap.impl.llom.soap11.SOAP11BodyImpl.toString()* >> error at auto generated stub method while creating the SOAP envelope. >> Following is the auto generated code for above method. >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> *public >> org.wso2.carbon.identity.workflow.mgt.bps.stub.types.TTaskSimpleQueryResultSet >> simpleQuery( >> org.wso2.carbon.identity.workflow.mgt.bps.stub.types.TSimpleQueryInput >> simpleQueryInput587) throws >> java.rmi.RemoteException >> ,org.wso2.carbon.humantask.stub.upload.IllegalStateFault >> ,org.wso2.carbon.humantask.stub.upload.IllegalArgumentFault{ >> org.apache.axis2.context.MessageContext _messageContext = null; try{ >> org.apache.axis2.client.OperationClient _operationClient = >> _serviceClient.createClient(_operations[22].getName()); >> _operationClient.getOptions().setAction("http://docs.oasis-open.org/ns/bpel4people/ws-humantask/api/200803/simpleQuery >> >> <http://docs.oasis-open.org/ns/bpel4people/ws-humantask/api/200803/simpleQuery>"); >> _operationClient.getOptions().setExceptionToBeThrownOnSOAPFault(true); >> >> addPropertyToOperationClient(_operationClient,org.apache.axis2.description.WSDL2Constants.ATTR_WHTTP_QUERY_PARAMETER_SEPARATOR,"&"); >> // create a message context _messageContext = new >> org.apache.axis2.context.MessageContext(); // create SOAP >> envelope with that payload org.apache.axiom.soap.SOAPEnvelope env = >> null; >> org.oasis_open.docs.ns.bpel4people.ws_humantask.api._200803.SimpleQuery >> dummyWrappedType = null; env = >> toEnvelope(getFactory(_operationClient.getOptions().getSoapVersionURI()), >> simpleQueryInput587, >> dummyWrappedType, >> optimizeContent(new >> javax.xml.namespace.QName("http://docs.oasis-open.org/ns/bpel4people/ws-humantask/api/200803 >> <http://docs.oasis-open.org/ns/bpel4people/ws-humantask/api/200803>", >> "simpleQuery"))); >> //adding SOAP soap_headers >> _serviceClient.addHeadersToEnvelope(env);// set the message context with >> that soap envelope_messageContext.setEnvelope(env);// add the message contxt >> to the operation >> client_operationClient.addMessageContext(_messageContext);//execute the >> operation client_operationClient.execute(true); >> org.apache.axis2.context.MessageContext _returnMessageContext = >> _operationClient.getMessageContext( >> org.apache.axis2.wsdl.WSDLConstants.MESSAGE_LABEL_IN_VALUE); >> org.apache.axiom.soap.SOAPEnvelope _returnEnv = >> _returnMessageContext.getEnvelope(); >> java.lang.Object object = fromOM( >> _returnEnv.getBody().getFirstElement() , >> org.oasis_open.docs.ns.bpel4people.ws_humantask.api._200803.SimpleQueryResponse.class, >> getEnvelopeNamespaces(_returnEnv)); >> return >> getSimpleQueryResponseTaskSimpleQueryResultSet((org.oasis_open.docs.ns.bpel4people.ws_humantask.api._200803.SimpleQueryResponse)object); >> }catch(org.apache.axis2.AxisFault f){ >> org.apache.axiom.om.OMElement faultElt = f.getDetail(); if >> (faultElt!=null){ if (faultExceptionNameMap.containsKey(new >> org.apache.axis2.client.FaultMapKey(faultElt.getQName(),"simpleQuery"))){ >> //make the fault by reflection try{ >> java.lang.String exceptionClassName = >> (java.lang.String)faultExceptionClassNameMap.get(new >> org.apache.axis2.client.FaultMapKey(faultElt.getQName(),"simpleQuery")); >> java.lang.Class exceptionClass = >> java.lang.Class.forName(exceptionClassName); >> java.lang.Exception ex = (java.lang.Exception) exceptionClass.newInstance(); >> //message class java.lang.String >> messageClassName = (java.lang.String)faultMessageMap.get(new >> org.apache.axis2.client.FaultMapKey(faultElt.getQName(),"simpleQuery")); >> java.lang.Class messageClass = >> java.lang.Class.forName(messageClassName); java.lang.Object >> messageObject = fromOM(faultElt,messageClass,null); >> java.lang.reflect.Method m = exceptionClass.getMethod("setFaultMessage", >> new java.lang.Class[]{messageClass}); >> m.invoke(ex,new java.lang.Object[]{messageObject}); >> if (ex instanceof >> org.wso2.carbon.humantask.stub.upload.IllegalStateFault){ >> throw (org.wso2.carbon.humantask.stub.upload.IllegalStateFault)ex; >> } if (ex instanceof >> org.wso2.carbon.humantask.stub.upload.IllegalArgumentFault){ >> throw (org.wso2.carbon.humantask.stub.upload.IllegalArgumentFault)ex; >> } throw new >> java.rmi.RemoteException(ex.getMessage(), ex); >> }catch(java.lang.ClassCastException e){ // we cannot >> intantiate the class - throw the original Axis fault throw f; >> } catch (java.lang.ClassNotFoundException e) { // >> we cannot intantiate the class - throw the original Axis fault >> throw f; }catch (java.lang.NoSuchMethodException e) { >> // we cannot intantiate the class - throw the original Axis fault >> throw f; } catch >> (java.lang.reflect.InvocationTargetException e) { // we >> cannot intantiate the class - throw the original Axis fault >> throw f; } catch (java.lang.IllegalAccessException e) { >> // we cannot intantiate the class - throw the original Axis fault >> throw f; } catch (java.lang.InstantiationException e) >> { // we cannot intantiate the class - throw the original Axis >> fault throw f; } }else{ throw f; >> } }else{ throw f; } } finally { if >> (_messageContext.getTransportOut() != null) { >> _messageContext.getTransportOut().getSender().cleanup(_messageContext); >> } }}* >> >> What is the issue here? Am I missing anything at creating stub? How can I >> overcome this? >> >> Thank You! >> >> 1. >> https://github.com/wso2/carbon-identity/tree/master/service-stubs/identity/org.wso2.carbon.identity.workflow.mgt.bps.stub >> 2. >> https://github.com/wso2/carbon-business-process/tree/master/service-stubs/humantask/org.wso2.carbon.humantask.stub/src/main/resources >> >> -- >> *Chamila Dilshan Wijayarathna,* >> Software Engineer >> Mobile:(+94)788193620 >> WSO2 Inc., http://wso2.com/ >> >> _______________________________________________ >> Dev mailing list >> Dev@wso2.org >> http://wso2.org/cgi-bin/mailman/listinfo/dev >> >> > > > -- > Kasun Bandara > *Software Engineer* > Mobile : +94 (0) 718 338 360 > <%2B94%20%280%29%20773%20451194> > kas...@wso2.com <thili...@wso2.com> > -- *Chamila Dilshan Wijayarathna,* Software Engineer Mobile:(+94)788193620 WSO2 Inc., http://wso2.com/
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