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    <title>topic Error Injecting Beans in Java Service Task in Alfresco Archive</title>
    <link>https://connect.hyland.com/t5/alfresco-archive/error-injecting-beans-in-java-service-task/m-p/79642#M53023</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Hello,&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;The following error is occurring to me when I try to use Bean in Java Service Task.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN style="color:#FF0000;"&gt;org.activiti.engine.ActivitiException: Incompatible type set on field declaration 'myService' for class org.myorg.bpmn.tasks.java.JavaService. Declared value has type org.activiti.engine.impl.el.JuelExpression, while expecting org.activiti.engine.delegate.Expression&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Injecting my bean in Activiti (file:spring.xml):&lt;/SPAN&gt;&lt;BR /&gt;&lt;PRE class="language-none line-numbers"&gt;&lt;CODE&gt;&lt;BR /&gt;…&lt;BR /&gt;&amp;lt;bean id="myService" class="org.myorg.handlers.ServiceHandler" /&amp;gt;&lt;BR /&gt;&lt;BR /&gt; &amp;lt;bean id="processEngineConfiguration" class="org.activiti.spring.SpringProcessEngineConfiguration"&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;property name="dataSource" ref="dataSource" /&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;property name="transactionManager" ref="transactionManager" /&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;property name="databaseSchemaUpdate" value="true" /&amp;gt; &lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;property name="mailServerHost" value="localhost" /&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;property name="mailServerPort" value="5025" /&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;property name="jobExecutorActivate" value="false" /&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;property name="dbCycleUsed" value="true" /&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;property name="beans"&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;map&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;entry key="myService" value-ref="myService" /&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;/map&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;/property&amp;gt;&lt;BR /&gt;&amp;nbsp; &amp;lt;/bean&amp;gt;&lt;BR /&gt;&lt;BR /&gt;…&lt;BR /&gt;&lt;SPAN class="line-numbers-rows"&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/CODE&gt;&lt;/PRE&gt;&lt;BR /&gt;&lt;SPAN&gt;My BPMN File:&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;PRE class="language-none line-numbers"&gt;&lt;CODE&gt;&lt;BR /&gt;…&lt;BR /&gt;&amp;lt;serviceTask &lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;id="CTPService"&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;activiti:class="org.myorg.bpmn.tasks.java.JavaService"&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;lt;extensionElements&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;lt;activiti:field name="myService" expression="#{myService}" /&amp;gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;lt;activiti:field name="serviceId" expression="CTP.getPlan" /&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;lt;activiti:field name="parameters" expression="event" /&amp;gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;lt;activiti:field name="variablesReturn"&amp;nbsp; expression="portfolio" /&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;lt;activiti:field name="withoutException" expression="CTPServiceNoException" /&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;lt;activiti:field name="withException" expression="CTPServiceException" /&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;lt;/extensionElements&amp;gt;&lt;BR /&gt;&amp;lt;/serviceTask&amp;gt;&lt;BR /&gt;…&lt;BR /&gt;&lt;SPAN class="line-numbers-rows"&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/CODE&gt;&lt;/PRE&gt;&lt;BR /&gt;&lt;SPAN&gt;My java class:&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;PRE class="language-none line-numbers"&gt;&lt;CODE&gt;&lt;BR /&gt;package org.myorg.bpmn.tasks.java;&lt;BR /&gt;&lt;BR /&gt;import org.activiti.engine.delegate.Expression;&lt;BR /&gt;import org.activiti.engine.impl.pvm.PvmTransition;&lt;BR /&gt;import org.activiti.engine.impl.pvm.delegate.ActivityExecution;&lt;BR /&gt;&lt;BR /&gt;public class JavaService implements&amp;nbsp;&amp;nbsp;&amp;nbsp;org.activiti.engine.impl.pvm.delegate.ActivityBehavior {&lt;BR /&gt;&lt;BR /&gt;…&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; private Expression myService;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; private ServiceHandler handler;&lt;BR /&gt;…&lt;BR /&gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; public void execute(ActivityExecution execution) throws Exception {&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; …&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; handler = (ServiceHandler) myService.getValue(execution);&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; …&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; }&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; …&lt;BR /&gt;}&lt;BR /&gt;&lt;SPAN class="line-numbers-rows"&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/CODE&gt;&lt;/PRE&gt;&lt;BR /&gt;&lt;SPAN&gt;This (&lt;/SPAN&gt;&lt;EM&gt;&amp;lt;activiti:field name="myService" expression="#{myService}" /&amp;gt;&lt;/EM&gt;&lt;SPAN&gt;) is the correct way to inject my Bean in Java Service Task? &lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;There is another way to do this?&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Anyone seen this error?&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Thanks,&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Rodolfo Barbeiro&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Fri, 04 Nov 2011 19:42:23 GMT</pubDate>
    <dc:creator>rodolfobarbeiro</dc:creator>
    <dc:date>2011-11-04T19:42:23Z</dc:date>
    <item>
      <title>Error Injecting Beans in Java Service Task</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/error-injecting-beans-in-java-service-task/m-p/79642#M53023</link>
      <description>Hello,The following error is occurring to me when I try to use Bean in Java Service Task.org.activiti.engine.ActivitiException: Incompatible type set on field declaration 'myService' for class org.myorg.bpmn.tasks.java.JavaService. Declared value has type org.activiti.engine.impl.el.JuelExpression,</description>
      <pubDate>Fri, 04 Nov 2011 19:42:23 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/error-injecting-beans-in-java-service-task/m-p/79642#M53023</guid>
      <dc:creator>rodolfobarbeiro</dc:creator>
      <dc:date>2011-11-04T19:42:23Z</dc:date>
    </item>
    <item>
      <title>Re: Error Injecting Beans in Java Service Task</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/error-injecting-beans-in-java-service-task/m-p/79643#M53024</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;I'm alter my class JavaService&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Change type of variable "org.activiti.engine.delegate.Expression" (Interface) to "org.activiti.engine.impl.el.JuelExpression" (Implementation) and the error mysteriously continues…&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN style="color:#FF0000;"&gt;org.activiti.engine.ActivitiException: Incompatible type set on field declaration 'myService' for class org.myorg.bpmn.tasks.java.JavaService. Declared value has type org.activiti.engine.impl.el.JuelExpression, while expecting org.activiti.engine.impl.el.JuelExpression&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;org.activiti.engine.impl.el.JuelExpression != org.activiti.engine.impl.el.JuelExpression ????&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;It struck me that error can be ClassLoader. The ClassLoader of my application and Acitiviti may be different. Can this be?&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;I use the module "activiti-spring" to inject Activiti in my application, how can be loading in different classloader?&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt; :?&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 07 Nov 2011 14:35:24 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/error-injecting-beans-in-java-service-task/m-p/79643#M53024</guid>
      <dc:creator>rodolfobarbeiro</dc:creator>
      <dc:date>2011-11-07T14:35:24Z</dc:date>
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