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failed to lazily initialize a collection of role: org.jbpm.pvm.internal.model.ExecutionImpl.variables, no session or session was closed
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reply from <a href="http://community.jboss.org/people/FelixKJose">Felix Jose</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/552029#552029">View the full discussion</a>
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<div class="jive-rendered-content"><p>HI Michael,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thank You for your reply. Even I am having the same configuration in my jbpm.cfg.xml file. Then I have tried with reinstantiate the ExecutionService factory as</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="color: #3f7f5f; font-size: 10pt; "><p>executionService = processEngine.getExecutionService();</p><p>Then after that it starts working. Before I give the transaction management I was getting the lazyinitialization exception while trying to access the properties of the jbpm process variable objects. But after I configure the transaction management as follows:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p class="MsoNormal" style="min-height: 8pt; height: 8pt; padding: 0px;"><span style="FONT-SIZE: 10pt; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; "> </span> </p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "><</span><span style="FONT-SIZE: 10pt; BACKGROUND: silver; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">bean</span><span style="FONT-SIZE: 10pt; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; "> <span style="color: #7f007f; COLOR: #7f007f; ">id</span><span style="color: #000000; COLOR: black; ">=</span><em style=": ; color: #2a00ff; FONT-STYLE: italic; COLOR: #2a00ff; ">"jbpmContextServiceTarget"</em> <span style="color: #7f007f; COLOR: #7f007f; ">class</span><span style="color: #000000; COLOR: black; ">=</span><em style=": ; color: #2a00ff; FONT-STYLE: italic; COLOR: #2a00ff; ">"com.collabera.poc.jbpm.impl.JBPMContextServiceImpl"</em></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; ">            <span style="color: #7f007f; COLOR: #7f007f; ">init-method</span><span style="color: #000000; COLOR: black; ">=</span><em style=": ; color: #2a00ff; FONT-STYLE: italic; COLOR: #2a00ff; ">"init"</em><span style="color: #008080; COLOR: teal; ">></span></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #000000; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: black; ">            </span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "><</span><span style="FONT-SIZE: 10pt; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">property</span><span style="FONT-SIZE: 10pt; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; "> <span style="color: #7f007f; COLOR: #7f007f; ">name</span><span style="color: #000000; COLOR: black; ">=</span><em style=": ; color: #2a00ff; FONT-STYLE: italic; COLOR: #2a00ff; ">"processEngine"</em><span style="color: #008080; COLOR: teal; ">></span></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #000000; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: black; ">                  </span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "><</span><span style="FONT-SIZE: 10pt; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">ref</span><span style="FONT-SIZE: 10pt; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; "> <span style="color: #7f007f; COLOR: #7f007f; ">bean</span><span style="color: #000000; COLOR: black; ">=</span><em style=": ; color: #2a00ff; FONT-STYLE: italic; COLOR: #2a00ff; ">"processEngine"</em> <span style="color: #008080; COLOR: teal; ">/></span></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #000000; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: black; ">            </span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "></</span><span style="FONT-SIZE: 10pt; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">property</span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; ">></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #000000; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: black; ">            </span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "><</span><span style="FONT-SIZE: 10pt; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">property</span><span style="FONT-SIZE: 10pt; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; "> <span style="color: #7f007f; COLOR: #7f007f; ">name</span><span style="color: #000000; COLOR: black; ">=</span><em style=": ; color: #2a00ff; FONT-STYLE: italic; COLOR: #2a00ff; ">"checking"</em><span style="color: #008080; COLOR: teal; ">></span></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #000000; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: black; ">                  </span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "><</span><span style="FONT-SIZE: 10pt; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">ref</span><span style="FONT-SIZE: 10pt; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; "> <span style="color: #7f007f; COLOR: #7f007f; ">bean</span><span style="color: #000000; COLOR: black; ">=</span><em style=": ; color: #2a00ff; FONT-STYLE: italic; COLOR: #2a00ff; ">"checking"</em> <span style="color: #008080; COLOR: teal; ">/></span></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #000000; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: black; ">            </span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "></</span><span style="FONT-SIZE: 10pt; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">property</span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; ">></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "><</span><span style="FONT-SIZE: 10pt; BACKGROUND: silver; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">bean</span><span style="FONT-SIZE: 10pt; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; "> <span style="color: #7f007f; COLOR: #7f007f; ">id</span><span style="color: #000000; COLOR: black; ">=</span><em style=": ; color: #2a00ff; FONT-STYLE: italic; COLOR: #2a00ff; ">"jbpmContextService"</em> <span style="color: #7f007f; COLOR: #7f007f; ">class</span><span style="color: #000000; COLOR: black; ">=</span><em style=": ; color: #2a00ff; FONT-STYLE: italic; COLOR: #2a00ff; ">"org.springframework.transaction.interceptor.TransactionProxyFactoryBean"</em><span style="color: #008080; COLOR: teal; ">></span></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #000000; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: black; ">    </span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "><</span><span style="FONT-SIZE: 10pt; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">property</span><span style="FONT-SIZE: 10pt; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; "> <span style="color: #7f007f; COLOR: #7f007f; ">name</span><span style="color: #000000; COLOR: black; ">=</span><em style=": ; color: #2a00ff; FONT-STYLE: italic; COLOR: #2a00ff; ">"transactionManager"</em><span style="color: #008080; COLOR: teal; ">><</span><span style="color: #3f7f7f; COLOR: #3f7f7f; ">ref</span> <span style="color: #7f007f; COLOR: #7f007f; ">bean</span><span style="color: #000000; COLOR: black; ">=</span><em style=": ; color: #2a00ff; FONT-STYLE: italic; COLOR: #2a00ff; ">"transactionManager"</em><span style="color: #008080; COLOR: teal; ">/></</span><span style="color: #3f7f7f; COLOR: #3f7f7f; ">property</span><span style="color: #008080; COLOR: teal; ">></span></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #000000; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: black; ">    </span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "><</span><span style="FONT-SIZE: 10pt; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">property</span><span style="FONT-SIZE: 10pt; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; "> <span style="color: #7f007f; COLOR: #7f007f; ">name</span><span style="color: #000000; COLOR: black; ">=</span><em style=": ; color: #2a00ff; FONT-STYLE: italic; COLOR: #2a00ff; ">"target"</em><span style="color: #008080; COLOR: teal; ">><</span><span style="color: #3f7f7f; COLOR: #3f7f7f; ">ref</span> <span style="color: #7f007f; COLOR: #7f007f; ">bean</span><span style="color: #000000; COLOR: black; ">=</span><em style=": ; color: #2a00ff; FONT-STYLE: italic; COLOR: #2a00ff; ">"jbpmContextServiceTarget"</em><span style="color: #008080; COLOR: teal; ">/></</span><span style="color: #3f7f7f; COLOR: #3f7f7f; ">property</span><span style="color: #008080; COLOR: teal; ">></span></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #000000; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: black; ">    </span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "><</span><span style="FONT-SIZE: 10pt; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">property</span><span style="FONT-SIZE: 10pt; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; "> <span style="color: #7f007f; COLOR: #7f007f; ">name</span><span style="color: #000000; COLOR: black; ">=</span><em style=": ; color: #2a00ff; FONT-STYLE: italic; COLOR: #2a00ff; ">"transactionAttributes"</em><span style="color: #008080; COLOR: teal; ">></span></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #000000; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: black; ">        </span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "><</span><span style="FONT-SIZE: 10pt; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">props</span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; ">></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #000000; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: black; ">            </span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "><</span><span style="FONT-SIZE: 10pt; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">prop</span><span style="FONT-SIZE: 10pt; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; "> <span style="color: #7f007f; COLOR: #7f007f; ">key</span><span style="color: #000000; COLOR: black; ">=</span><em style=": ; color: #2a00ff; FONT-STYLE: italic; COLOR: #2a00ff; ">"deploy*"</em><span style="color: #008080; COLOR: teal; ">></span><span style="color: #000000; COLOR: black; ">PROPAGATION_REQUIRED</span><span style="color: #008080; COLOR: teal; "></</span><span style="color: #3f7f7f; COLOR: #3f7f7f; ">prop</span><span style="color: #008080; COLOR: teal; ">></span></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #000000; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: black; ">            </span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "><</span><span style="FONT-SIZE: 10pt; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">prop</span><span style="FONT-SIZE: 10pt; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; "> <span style="color: #7f007f; COLOR: #7f007f; ">key</span><span style="color: #000000; COLOR: black; ">=</span><em style=": ; color: #2a00ff; FONT-STYLE: italic; COLOR: #2a00ff; ">"*"</em><span style="color: #008080; COLOR: teal; ">></span><span style="color: #000000; COLOR: black; ">PROPAGATION_REQUIRED</span><span style="color: #008080; COLOR: teal; "></</span><span style="color: #3f7f7f; COLOR: #3f7f7f; ">prop</span><span style="color: #008080; COLOR: teal; ">></span></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #000000; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: black; ">        </span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "></</span><span style="FONT-SIZE: 10pt; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">props</span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; ">></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #000000; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: black; ">    </span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "></</span><span style="FONT-SIZE: 10pt; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">property</span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; ">></span></p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "></</span><span style="FONT-SIZE: 10pt; BACKGROUND: silver; color: #3f7f7f; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: #3f7f7f; ">bean</span><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; ">></span></p><p class="MsoNormal" style="min-height: 8pt; height: 8pt; padding: 0px;"><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "> </span>  </p><p class="MsoNormal"><span style="FONT-SIZE: 10pt; color: #008080; font-size: 10pt; font-family: Courier New; FONT-FAMILY: 'Courier New'; COLOR: teal; "> </span>And try to do a transition using executionService  I am getting the exception saying that "<span style="font-size: 10pt; color: #ff0000;"><span style=": ; color: #ff0000; font-size: 2; font-color: #ff0000; "><p align="left">Exception in thread "main"</p></span><span style="font-color: #ff0000; font-size: 2; "><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span></p><p align="left"><span style="color: #000080; font-size: 10pt; text-decoration: underline; ">org.jbpm.api.JbpmException</span><span style="font-size: 10pt; color: #ff0000;"><span style="font-size: 10pt; color: #ff0000;">: execution ddrRequest.400008 does not exist<span style=": ; font-size: 2; font-color: #ff0000; "><p align="left">at org.jbpm.pvm.internal.cmd.SignalCmd.execute(</p></span></span><span style="font-color: #ff0000; font-size: 2; "><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span></p><p align="left"><span style="color: #000080; font-size: 10pt; text-decoration: underline; ">SignalCmd.java:58</span><span style="font-size: 10pt; color: #ff0000;"><span style="font-size: 10pt; color: #ff0000;">)<span style=": ; font-size: 2; font-color: #ff0000; "><p align="left">at org.jbpm.pvm.internal.cmd.SignalCmd.execute(</p></span></span><span style="font-color: #ff0000; font-size: 2; "><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span></p><p align="left"><span style="color: #000080; font-size: 10pt; text-decoration: underline; ">SignalCmd.java:35</span><span style="font-size: 10pt; color: #ff0000;"><span style="font-size: 10pt; color: #ff0000;">)<span style=": ; font-size: 2; font-color: #ff0000; "><p align="left">at org.jbpm.pvm.internal.svc.DefaultCommandService.execute(</p></span></span><span style="font-color: #ff0000; font-size: 2; "><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span></p><p align="left"><span style="color: #000080; font-size: 10pt; text-decoration: underline; ">DefaultCommandService.java:42</span><span style="font-size: 10pt; color: #ff0000;"><span style="font-size: 10pt; color: #ff0000;">)<span style=": ; font-size: 2; font-color: #ff0000; "><p align="left">at org.jbpm.pvm.internal.tx.SpringCommandCallback.doInTransaction(</p></span></span><span style="font-color: #ff0000; font-size: 2; "><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span></p><p align="left"><span style="color: #000080; font-size: 10pt; text-decoration: underline; ">SpringCommandCallback.java:45</span><span style="font-size: 10pt; color: #ff0000;"><span style="font-size: 10pt; color: #ff0000;">)<span style=": ; font-size: 2; font-color: #ff0000; "><p>at org.springframework.transaction.support.TransactionTemplate.execute(</p></span></span><span style="font-color: #ff0000; font-size: 2; "><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span></p><p><span style="color: #000080; font-size: 10pt; text-decoration: underline; ">TransactionTemplate.java:128</span><span style="color: #ff0000; font-size: 10pt; ">)</span></p><p><span style="color: #ff0000; font-size: 10pt; ">I am getting this exception when I am using the ExecutionService instance to access the process instance.</span></p><p><span style="color: #ff0000; font-size: 10pt; ">In my analysis the problem is as the transaction is active and session is opened the JBPM4_EXECUTION table is not getting updated and the <span style="font-size: 10pt; color: #0000c0;"><span style="font-size: 10pt; color: #0000c0;"><p><span style="font-size: 10pt; color: #0000c0;"><span style=": ; color: #0000c0; font-size: 2; font-color: #0000c0; "><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span><span style="font-color: #0000c0; font-size: 2; "><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><span style=": ; font-size: 2; font-color: #0000c0; "><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span><span style="font-color: #0000c0; font-size: 2; "><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span><p><em><span style="font-size: 10pt; color: #0000c0;"><span style="font-size: 10pt; color: #0000c0;"><em style=": ; font-size: 2; font-color: #0000c0; "><p>executionService</p></em></span><em style=": ; font-size: 2; font-color: #0000c0; "><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></em></span><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-size: 10pt; color: #000000;">.signalExecutionById(id, </span><span style="color: #2a00ff; font-size: 10pt; ">"analystResearch")</span><span style="color: #000000; font-size: 10pt; ">; is trying to find the execution istance from table but it is not present. But my doubt is why it is not tring to pick it from session?</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="color: #000000;">One main thing is this problem is occuring only when the JBPM process definition is having a <java> node with some arguments and if we change the variable/variables in that java class.</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="color: #000000;">And one more doubt,</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></em></p><p>processEngine.execute(<strong>new</strong> Command() {<br/>    <strong>public</strong> Object execute(Environment env) {<br/>        // do something.<br/>        <strong>return</strong> <strong>null</strong>;<br/>    }<br/>});<br/>why do we need this?</p><p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="color: #000000;">Can anybody please send me a solution for the same.</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="color: #000000;">Thank you and regards,</span></p><p><span style="color: #000000;">Felix K Jose</span></p></p></span></p></span></p></div>
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