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Using CallActiviti to another Workflow is bypassing Start Event

Question asked by root on Aug 26, 2013
Latest reply on Sep 13, 2013 by root
Hi All.
I am having an issue using callActiviti. The below steps will try to shade some light on the process I am following:

1) Create a basic workflow ( workflowOne)
2) Create a second basic workflow. (workflowTwo)
3) Testing them individually everything is great.
4) Now, using call activiti:

<callActivity id="CallActiviti" name="Call activity - from Workflow 1" calledElement="workflowTwo" />

5) Everything works great, with the exception that if you go in the Workflow2 Details, there are two tasks being displayed in the Current Tasks table:
    a) start1234 (this being the start event of workflowTwo)
    b) 12345  (this being the task in the workflowTwo after the start event)

6) Why is the "Start Event" of the Child workflow executed when the following code is set?
 
<process id="workflowTwo" name="Draft Staff Action" isExecutable="false">

7) In addition continuing with the child workflow upon "Task Done" you get an error, see below:

"message": "07260017 Wrapped Exception (with status template): Query return 3 results instead of max 1",
"exception": "org.springframework.extensions.webscripts.WebScriptException - 07260017 Wrapped Exception (with status template): Query return 3 results instead of max 1",
"callstack": [

    "",
    "org.activiti.engine.ActivitiException: Query return 3 results instead of max 1",
    "org.activiti.engine.impl.AbstractQuery.executeSingleResult(AbstractQuery.java:161)",
    "org.activiti.engine.impl.AbstractQuery.execute(AbstractQuery.java:140)",
    "org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)",
    "org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:42)",
    "org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:42)",
    "org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)",
    "org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)",
    "org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)",
    "org.activiti.engine.impl.AbstractQuery.singleResult(AbstractQuery.java:103)",
    "org.alfresco.repo.workflow.activiti.properties.ActivitiPropertyConverter.getStartVariables(ActivitiPropertyConverter.java:500)",
    "org.alfresco.repo.workflow.activiti.properties.ActivitiPropertyConverter.getStartTaskProperties(ActivitiPropertyConverter.java:439)",
    "org.alfresco.repo.workflow.activiti.ActivitiTypeConverter.getVirtualStartTask(ActivitiTypeConverter.java:429)",
    "org.alfresco.repo.workflow.activiti.ActivitiTypeConverter.getVirtualStartTask(ActivitiTypeConverter.java:382)",
    "org.alfresco.repo.workflow.activiti.ActivitiWorkflowEngine.getStartTask(ActivitiWorkflowEngine.java:2158)",
    "org.alfresco.repo.workflow.WorkflowServiceImpl.getStartTask(WorkflowServiceImpl.java:691)",
    "sun.reflect.GeneratedMethodAccessor1413.invoke(Unknown Source)",
    "sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)",
    "java.lang.reflect.Method.invoke(Method.java:597)",
    "org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)",
    "org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)",
    "org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)",
    "org.alfresco.repo.security.permissions.impl.AlwaysProceedMethodInterceptor.invoke(AlwaysProceedMethodInterceptor.java:34)",
    "org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)",
    "org.alfresco.repo.security.permissions.impl.ExceptionTranslatorMethodInterceptor.invoke(ExceptionTranslatorMethodInterceptor.java:46)",
    "org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)",
    "org.alfresco.repo.audit.AuditMethodInterceptor.proceedWithAudit(AuditMethodInterceptor.java:245)",
    "org.alfresco.repo.audit.AuditMethodInterceptor.proceed(AuditMethodInterceptor.java:211)",
    "org.alfresco.repo.audit.AuditMethodInterceptor.invoke(AuditMethodInterceptor.java:164)",
    "org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)",
    "org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)",
    "org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)",
    "org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)",
    "com.sun.proxy.$Proxy365.getStartTask(Unknown Source)",
    "org.alfresco.repo.web.scripts.workflow.WorkflowModelBuilder.buildDetailed(WorkflowModelBuilder.java:305)",
    "org.alfresco.repo.web.scripts.workflow.WorkflowInstanceGet.buildModel(WorkflowInstanceGet.java:60)",
    "org.alfresco.repo.web.scripts.workflow.AbstractWorkflowWebscript.executeImpl(AbstractWorkflowWebscript.java:80)",
    "org.springframework.extensions.webscripts.DeclarativeWebScript.execute(DeclarativeWebScript.java:64)",
    "org.alfresco.repo.web.scripts.RepositoryContainer$2.execute(RepositoryContainer.java:410)",
    "org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:388)",
    "org.alfresco.repo.web.scripts.RepositoryContainer.transactionedExecute(RepositoryContainer.java:479)",
    "org.alfresco.repo.web.scripts.RepositoryContainer.transactionedExecuteAs(RepositoryContainer.java:517)",
    "org.alfresco.repo.web.scripts.RepositoryContainer.executeScript(RepositoryContainer.java:333)",
    "org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:377)",
    "org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:209)",
    "org.springframework.extensions.webscripts.servlet.WebScriptServlet.service(WebScriptServlet.java:118)",
    "javax.servlet.http.HttpServlet.service(HttpServlet.java:717)",
    "org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)",
    "org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)",
    "org.alfresco.web.app.servlet.GlobalLocalizationFilter.doFilter(GlobalLocalizationFilter.java:61)",
    "org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)",
    "org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)",
    "org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)",
    "org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)",
    "org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)",
    "org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)",
    "org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)",
    "org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:183)",
    "org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)",
    "org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:95)",
    "org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)",
    "org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)",
    "org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)",
    "org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)",
    "org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)",
    "org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)",
    "org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)",
    "org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)",
    "org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:599)",
    "org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:451)",
    "java.lang.Thread.run(Thread.java:662)",
    "org.springframework.extensions.webscripts.WebScriptException: 07260017 Wrapped Exception (with status template): Query return 3 results instead of max 1",
    "org.springframework.extensions.webscripts.AbstractWebScript.createStatusException(AbstractWebScript.java:1050)"


Image one is WorkflowTwo
Image two is WorkflowOne
// these are the actual workflows, the description above states basic workkflows, the same issue still is present)

http://imageshack.us/g/593/oa9i.png/

Sincerely,
/Ed

Outcomes