It's a Null Pointer Exception. Caused by: java.lang.NullPointerException > at org.wso2.carbon.rssmanager.core.workflow.WorkflowExecutor.complete( > WorkflowExecutor.java:87)
Check what happens at line 87. Thanks, Bhathiya On Sun, Oct 26, 2014 at 7:36 AM, Faathima Fayaza <[email protected]> wrote: > Hi, > > I have introduce new attribute "status" [store the workflow process status > ] to RM_DATABASE table. To update the "satus" I introduce the method > updateDatabase() method inside the DatabaseDAOImpl.I have to use the > updateDatabase() method inside WorkflowExecutor.java class. When I try to > use it I'm getting following error message: > > java.lang.reflect.InvocationTargetException > 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:597) > at > org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:212) > at > org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:117) > at > org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40) > at > org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:110) > at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180) > at > org.apache.axis2.transport.local.LocalTransportReceiver.processMessage(LocalTransportReceiver.java:169) > at > org.apache.axis2.transport.local.LocalTransportReceiver.processMessage(LocalTransportReceiver.java:82) > at > org.wso2.carbon.core.transports.local.CarbonLocalTransportSender.finalizeSendWithToAddress(CarbonLocalTransportSender.java:45) > at > org.apache.axis2.transport.local.LocalTransportSender.invoke(LocalTransportSender.java:77) > at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:442) > at > org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:430) > at > org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:225) > at > org.apache.axis2.client.OperationClient.execute(OperationClient.java:149) > at > org.wso2.carbon.rssmanager.ui.stub.RSSAdminStub.addDatabase(RSSAdminStub.java:3192) > at > org.wso2.carbon.rssmanager.ui.RSSManagerClient.createDatabase(RSSManagerClient.java:117) > at > org.apache.jsp.rssmanager.databaseOps_005fajaxprocessor_jsp._jspService(databaseOps_005fajaxprocessor_jsp.java:139) > at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) > at > org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) > at > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) > at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) > at org.wso2.carbon.ui.JspServlet.service(JspServlet.java:155) > at org.wso2.carbon.ui.TilesJspServlet.service(TilesJspServlet.java:80) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) > at > org.eclipse.equinox.http.helper.ContextPathServletAdaptor.service(ContextPathServletAdaptor.java:37) > at > org.eclipse.equinox.http.servlet.internal.ServletRegistration.service(ServletRegistration.java:61) > at > org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:128) > at > org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:68) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) > at > org.wso2.carbon.tomcat.ext.servlet.DelegationServlet.service(DelegationServlet.java:68) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) > at > org.wso2.carbon.tomcat.ext.filter.CharacterSetFilter.doFilter(CharacterSetFilter.java:61) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) > at > org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) > at > org.wso2.carbon.tomcat.ext.valves.CompositeValve.continueInvocation(CompositeValve.java:178) > at > org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer.invokeValves(TomcatValveContainer.java:49) > at > org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:141) > at > org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:154) > at > org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) > at > org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:52) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) > at > org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040) > at > org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) > at > org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1721) > at > org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1679) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) > at java.lang.Thread.run(Thread.java:662) > Caused by: java.lang.NullPointerException > at > org.wso2.carbon.rssmanager.core.workflow.WorkflowExecutor.complete(WorkflowExecutor.java:87) > at > org.wso2.carbon.rssmanager.core.workflow.DatabseCreationSimpleWorkflowExecutor.complete(DatabseCreationSimpleWorkflowExecutor.java:53) > at > org.wso2.carbon.rssmanager.core.workflow.DatabseCreationSimpleWorkflowExecutor.execute(DatabseCreationSimpleWorkflowExecutor.java:48) > at > org.wso2.carbon.rssmanager.core.manager.adaptor.EnvironmentAdaptor.addDatabase(EnvironmentAdaptor.java:161) > at > org.wso2.carbon.rssmanager.core.service.RSSAdmin.addDatabase(RSSAdmin.java:93) > ... 60 more > [2014-10-26 07:08:24,553] ERROR > {org.wso2.carbon.rssmanager.ui.RSSManagerClient} - Failed to create > database 'db10' : Exception occurred while trying to invoke service method > addDatabase > org.apache.axis2.AxisFault: Exception occurred while trying to invoke > service method addDatabase > at > org.apache.axis2.util.Utils.getInboundFaultFromMessageContext(Utils.java:531) > at > org.apache.axis2.description.OutInAxisOperationClient.handleResponse(OutInAxisOperation.java:370) > at > org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:445) > at > org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:225) > at > org.apache.axis2.client.OperationClient.execute(OperationClient.java:149) > at > org.wso2.carbon.rssmanager.ui.stub.RSSAdminStub.addDatabase(RSSAdminStub.java:3192) > at > org.wso2.carbon.rssmanager.ui.RSSManagerClient.createDatabase(RSSManagerClient.java:117) > at > org.apache.jsp.rssmanager.databaseOps_005fajaxprocessor_jsp._jspService(databaseOps_005fajaxprocessor_jsp.java:139) > at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) > at > org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) > at > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) > at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) > at org.wso2.carbon.ui.JspServlet.service(JspServlet.java:155) > at org.wso2.carbon.ui.TilesJspServlet.service(TilesJspServlet.java:80) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) > at > org.eclipse.equinox.http.helper.ContextPathServletAdaptor.service(ContextPathServletAdaptor.java:37) > at > org.eclipse.equinox.http.servlet.internal.ServletRegistration.service(ServletRegistration.java:61) > at > org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:128) > at > org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:68) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) > at > org.wso2.carbon.tomcat.ext.servlet.DelegationServlet.service(DelegationServlet.java:68) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) > at > org.wso2.carbon.tomcat.ext.filter.CharacterSetFilter.doFilter(CharacterSetFilter.java:61) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) > at > org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) > at > org.wso2.carbon.tomcat.ext.valves.CompositeValve.continueInvocation(CompositeValve.java:178) > at > org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer.invokeValves(TomcatValveContainer.java:49) > at > org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:141) > at > org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:154) > at > org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) > at > org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:52) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) > at > org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040) > at > org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) > at > org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1721) > at > org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1679) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) > at java.lang.Thread.run(Thread.java:662) > > WorkflowExecutor.java: > > public abstract class WorkflowExecutor implements Serializable { > protected String callbackURL; > > public abstract String getWorkflowType(); > > RSSManagementRepository repositoryConfig; > > /* Initializing RSS transaction manager wrapper */ > RSSTransactionManager rssTxManager = > new RSSTransactionManager(RSSManagerDataHolder.getInstance(). > getTransactionManager()); > > /* Initializing entity manager used in RSS DAO */ > DataSource dataSource = > > RSSDAOFactory.resolveDataSource(repositoryConfig.getDataSourceConfig()); > > Set<String> unitNames = PersistenceManager.getPersistentUnitNames(); > String unitName = unitNames.iterator().next(); > > EntityManager entityManager = new EntityManager(rssTxManager, > dataSource, > new JPAManagerUtil(PersistenceManager.getEMF(unitName))); > > DatabaseDAOImpl dao = new DatabaseDAOImpl(entityManager); > > public void execute(Workflow workflow, Database database) throws > WorkflowException{ > > } > > > public void complete(Workflow workflow, Database database) throws > WorkflowException{ > > > if(WorkflowConstants.WORKFLOW_APPROVED.equals(workflow.getStatus())){ > database=workflow.getDatabaseId(); > database.setStatus("APPROVED"); > > try { > dao.updateDatabse(database); > } catch (RSSDAOException e) { > e.printStackTrace(); > } > > } > > else > if(WorkflowConstants.WORKFLOW_REJECT.equals(workflow.getStatus())){ > database=workflow.getDatabaseId(); > } > > } > > } > > public abstract List<Workflow> getWorkflowDetails(String > workflowStatus) throws WorkflowException; > > public String generateUUID(){ > > String UUID = UUIDGenerator.generateUUID(); > return UUID; > } > > public String getCallbackURL() { > return callbackURL; > } > > public void setCallbackURL(String callbackURL) { > this.callbackURL = callbackURL; > } > > > } > > Can someone help me to solve this issue. > > Thanks, > -- > Best Regards, > > M.S. Faathima Fayaza > Software Engineering Intern > WSO2 Inc. > lean.enterprise.middleware. > -- *Bhathiya Jayasekara* *Software Engineer,* *WSO2 inc., http://wso2.com <http://wso2.com>* *Phone: +94715478185* *LinkedIn: http://www.linkedin.com/in/bhathiyaj <http://www.linkedin.com/in/bhathiyaj>* *Twitter: https://twitter.com/bhathiyax <https://twitter.com/bhathiyax>* *Blog: http://movingaheadblog.blogspot.com <http://movingaheadblog.blogspot.com/>*
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