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    <title>topic when i signal receive task in side subprocess with parallel and sequential flows. in Alfresco Forum</title>
    <link>https://connect.hyland.com/t5/alfresco-forum/when-i-signal-receive-task-in-side-subprocess-with-parallel-and/m-p/68145#M22653</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Attached my flow diagram. Am trying to signal the receive task. (in diagram its the ExecuteTask block.)&lt;/P&gt;&lt;PRE style="color: #000000; background-color: #ffffff; font-size: 9.0pt;"&gt;&lt;SPAN style="color: #000080; font-weight: bold;"&gt;public void &lt;/SPAN&gt;resumeHaltFlow(String executionId) {&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; Execution execution = &lt;SPAN style="color: #660e7a; font-weight: bold;"&gt;runtimeService&lt;/SPAN&gt;.createExecutionQuery().executionId(executionId).singleResult();&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;SPAN style="color: #000080; font-weight: bold;"&gt;if &lt;/SPAN&gt;(execution != &lt;SPAN style="color: #000080; font-weight: bold;"&gt;null&lt;/SPAN&gt;) {&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; HashMap&amp;lt;String, Object&amp;gt; hashMap = &lt;SPAN style="color: #000080; font-weight: bold;"&gt;new &lt;/SPAN&gt;HashMap&amp;lt;&amp;gt;();&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; hashMap.put(WorkflowServiceConstants.&lt;SPAN style="color: #660e7a; font-weight: bold;"&gt;RECEIVE_TASK_IN_ERROR&lt;/SPAN&gt;, Boolean.&lt;SPAN style="color: #660e7a; font-weight: bold;"&gt;FALSE&lt;/SPAN&gt;);&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;SPAN style="color: #660e7a; font-weight: bold;"&gt;runtimeService&lt;/SPAN&gt;.setVariables(execution.getId(), hashMap);&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;SPAN style="color: #660e7a; font-weight: bold;"&gt;runtimeService&lt;/SPAN&gt;.signal(execution.getId());&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; }&lt;BR /&gt;}&lt;/PRE&gt;&lt;P&gt;Am getting below exception&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;java.lang.NullPointerException: null&lt;BR /&gt; at org.activiti.engine.impl.persistence.entity.ExecutionEntity.signal(ExecutionEntity.java:406) ~[activiti-engine-5.19.0.jar:5.19.0]&lt;BR /&gt; at org.activiti.engine.impl.cmd.SignalCmd.execute(SignalCmd.java:43) ~[activiti-engine-5.19.0.jar:5.19.0]&lt;BR /&gt; at org.activiti.engine.impl.cmd.NeedsActiveExecutionCmd.execute(NeedsActiveExecutionCmd.java:55) ~[activiti-engine-5.19.0.jar:5.19.0]&lt;BR /&gt; at org.activiti.engine.impl.interceptor.CommandInvoker.execute(CommandInvoker.java:24) ~[activiti-engine-5.19.0.jar:5.19.0]&lt;BR /&gt; at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:57) ~[activiti-engine-5.19.0.jar:5.19.0]&lt;BR /&gt; at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:47) ~[activiti-spring-5.19.0.jar:5.19.0]&lt;BR /&gt; at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:133) ~[spring-tx-4.1.9.RELEASE.jar:4.1.9.RELEASE]&lt;BR /&gt; at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:45) ~[activiti-spring-5.19.0.jar:5.19.0]&lt;BR /&gt; at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31) ~[activiti-engine-5.19.0.jar:5.19.0]&lt;BR /&gt; at org.activiti.engine.impl.interceptor.RetryInterceptor.execute(RetryInterceptor.java:49) ~[activiti-engine-5.19.0.jar:5.19.0]&lt;BR /&gt; at org.activiti.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:40) ~[activiti-engine-5.19.0.jar:5.19.0]&lt;BR /&gt; at org.activiti.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:35) ~[activiti-engine-5.19.0.jar:5.19.0]&lt;BR /&gt; at org.activiti.engine.impl.RuntimeServiceImpl.signal(RuntimeServiceImpl.java:227) ~[activiti-engine-5.19.0.jar:5.19.0]&lt;BR /&gt; at com.visa.cloud.gateway.service.JobActionService.resumeHaltFlow(JobActionService.java:290) ~[ScalableRunServices-1.0-SNAPSHOT.jar:na]&lt;BR /&gt; at com.visa.cloud.gateway.controller.JobController.resumeJob(JobController.java:167) ~[classes/:1.0-SNAPSHOT]&lt;BR /&gt; at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_121]&lt;BR /&gt; at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_121]&lt;BR /&gt; at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_121]&lt;BR /&gt; at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_121]&lt;BR /&gt; at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:222) ~[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE]&lt;BR /&gt; at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE]&lt;BR /&gt; at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE]&lt;BR /&gt; at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:814) ~[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE]&lt;BR /&gt; at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:737) ~[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE]&lt;BR /&gt; at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE]&lt;BR /&gt; at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) ~[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE]&lt;BR /&gt; at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) ~[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE]&lt;BR /&gt; at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) [spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE]&lt;BR /&gt; at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872) [spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE]&lt;BR /&gt; at javax.servlet.http.HttpServlet.service(HttpServlet.java:661) [servlet-api.jar:na]&lt;BR /&gt; at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) [spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE]&lt;BR /&gt; at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) [servlet-api.jar:na]&lt;BR /&gt; at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) [catalina.jar:8.5.12]&lt;BR /&gt; at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) [catalina.jar:8.5.12]&lt;BR /&gt; at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.5.12]&lt;BR /&gt; at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) [catalina.jar:8.5.12]&lt;BR /&gt; at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) [catalina.jar:8.5.12]&lt;BR /&gt; at com.visa.cloud.gateway.security.web.CloudServicesPreAuthFilter.doFilter(CloudServicesPreAuthFilter.java:46) [cloudsecurity-1.0-SNAPSHOT.jar:na]&lt;BR /&gt; at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346) [spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE]&lt;BR /&gt; at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262) [spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE]&lt;BR /&gt; at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) [catalina.jar:8.5.12]&lt;BR /&gt; at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) [catalina.jar:8.5.12]&lt;BR /&gt; at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) [catalina.jar:8.5.12]&lt;BR /&gt; at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [catalina.jar:8.5.12]&lt;BR /&gt; at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478) [catalina.jar:8.5.12]&lt;BR /&gt; at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) [catalina.jar:8.5.12]&lt;BR /&gt; at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80) [catalina.jar:8.5.12]&lt;BR /&gt; at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624) [catalina.jar:8.5.12]&lt;BR /&gt; at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) [catalina.jar:8.5.12]&lt;BR /&gt; at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341) [catalina.jar:8.5.12]&lt;BR /&gt; at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:783) [tomcat-coyote.jar:8.5.12]&lt;BR /&gt; at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-coyote.jar:8.5.12]&lt;BR /&gt; at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:798) [tomcat-coyote.jar:8.5.12]&lt;BR /&gt; at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1441) [tomcat-coyote.jar:8.5.12]&lt;BR /&gt; at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-coyote.jar:8.5.12]&lt;BR /&gt; at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_121]&lt;BR /&gt; at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_121]&lt;BR /&gt; at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.5.12]&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Mon, 30 Apr 2018 09:26:19 GMT</pubDate>
    <dc:creator>chiranjeeviveer</dc:creator>
    <dc:date>2018-04-30T09:26:19Z</dc:date>
    <item>
      <title>when i signal receive task in side subprocess with parallel and sequential flows.</title>
      <link>https://connect.hyland.com/t5/alfresco-forum/when-i-signal-receive-task-in-side-subprocess-with-parallel-and/m-p/68145#M22653</link>
      <description>Attached my flow diagram. Am trying to signal the receive task. (in diagram its the ExecuteTask block.)public void resumeHaltFlow(String executionId) {&amp;nbsp;&amp;nbsp;&amp;nbsp; Execution execution = runtimeService.createExecutionQuery().executionId(executionId).singleResult();&amp;nbsp;&amp;nbsp;&amp;nbsp; if (execution != null) {&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; HashMap&amp;amp;l</description>
      <pubDate>Mon, 30 Apr 2018 09:26:19 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-forum/when-i-signal-receive-task-in-side-subprocess-with-parallel-and/m-p/68145#M22653</guid>
      <dc:creator>chiranjeeviveer</dc:creator>
      <dc:date>2018-04-30T09:26:19Z</dc:date>
    </item>
    <item>
      <title>Re: when i signal receive task in side subprocess with parallel and sequential flows.</title>
      <link>https://connect.hyland.com/t5/alfresco-forum/when-i-signal-receive-task-in-side-subprocess-with-parallel-and/m-p/68146#M22654</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;PRE style="color: #000000; background-color: #ffffff; font-size: 9.0pt;"&gt;List&amp;lt;Execution&amp;gt; execution = &lt;SPAN style="color: #660e7a; font-weight: bold;"&gt;runtimeService&lt;/SPAN&gt;.createExecutionQuery().processInstanceId(processInstanceId).list();&lt;BR /&gt;Iterator&amp;lt;Execution&amp;gt; executionIterator = execution.iterator();&lt;BR /&gt;&lt;SPAN style="color: #000080; font-weight: bold;"&gt;while&lt;/SPAN&gt;(executionIterator.hasNext()){&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; Execution exec = executionIterator.next();&lt;BR /&gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;SPAN style="color: #000080; font-weight: bold;"&gt;if&lt;/SPAN&gt;(exec &lt;SPAN style="color: #000080; font-weight: bold;"&gt;instanceof &lt;/SPAN&gt;ProcessInstance){&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; HashMap&amp;lt;String, Object&amp;gt; hashMap = &lt;SPAN style="color: #000080; font-weight: bold;"&gt;new &lt;/SPAN&gt;HashMap&amp;lt;&amp;gt;();&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; hashMap.put(WorkflowServiceConstants.&lt;SPAN style="color: #660e7a; font-weight: bold;"&gt;RECEIVE_TASK_IN_ERROR&lt;/SPAN&gt;, Boolean.&lt;SPAN style="color: #660e7a; font-weight: bold;"&gt;FALSE&lt;/SPAN&gt;);&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;SPAN style="color: #660e7a; font-weight: bold;"&gt;runtimeService&lt;/SPAN&gt;.setVariables(exec.getId(), hashMap);&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;SPAN style="color: #660e7a; font-weight: bold;"&gt;runtimeService&lt;/SPAN&gt;.signal(exec.getId());&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; }&lt;BR /&gt;}&lt;BR /&gt;&lt;BR /&gt;I have tried using the processInstaneID aswell. But getting similar issue. Could some one from activiti team please respond to my query.&lt;/PRE&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 04 May 2018 09:03:21 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-forum/when-i-signal-receive-task-in-side-subprocess-with-parallel-and/m-p/68146#M22654</guid>
      <dc:creator>chiranjeeviveer</dc:creator>
      <dc:date>2018-05-04T09:03:21Z</dc:date>
    </item>
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