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conditional flow expressions

valarmathi
Champ in-the-making
Champ in-the-making

‎10-29-2012 05:00 AM

Hi,

I have created conditional flow expressions example.

this is my xml file

<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:activiti="http://activiti.org/bpmn" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlnsSmiley Surprisedmgdc="http://www.omg.org/spec/DD/20100524/DC" xmlnsSmiley Surprisedmgdi="http://www.omg.org/spec/DD/20100524/DI" typeLanguage="http://www.w3.org/2001/XMLSchema" expressionLanguage="http://www.w3.org/1999/XPath" targetNamespace="http://www.activiti.org/test">
  <process id="uelExpressions" name="Expressions">
    <startEvent id="theStart" name="Start"></startEvent>
    <exclusiveGateway id="exclusiveGw" name="Exclusive Gateway" default="flow2"></exclusiveGateway>
    <userTask id="standardService" name="Standard Service"></userTask>
    <userTask id="premiumService" name="Premium Service"></userTask>
    <endEvent id="theEnd1" name="End"></endEvent>
    <endEvent id="theEnd2" name="End"></endEvent>
    <sequenceFlow id="flow1" name="" sourceRef="theStart" targetRef="exclusiveGw"></sequenceFlow>
    <sequenceFlow id="flow3" name="${order.isPremiumOrder}" sourceRef="exclusiveGw" targetRef="premiumService">
      <conditionExpression xsi:type="tFormalExpression"><![CDATA[${order.isPremiumOrder}]]></conditionExpression>
    </sequenceFlow>
    <sequenceFlow id="flow2" name="${order.price&lt;=250}" sourceRef="exclusiveGw" targetRef="standardService">
      <conditionExpression xsi:type="tFormalExpression"><![CDATA[${order.price <= 250}
]]></conditionExpression>
    </sequenceFlow>
    <sequenceFlow id="flow5" name="" sourceRef="standardService" targetRef="theEnd1"></sequenceFlow>
    <sequenceFlow id="flow6" name="" sourceRef="premiumService" targetRef="theEnd2"></sequenceFlow>
  </process>
  <bpmndi:BPMNDiagram id="BPMNDiagram_uelExpressions">
    <bpmndi:BPMNPlane bpmnElement="uelExpressions" id="BPMNPlane_uelExpressions">
      <bpmndi:BPMNShape bpmnElement="theStart" id="BPMNShape_theStart">
        <omgdc:Bounds height="35" width="35" x="90" y="160"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="exclusiveGw" id="BPMNShape_exclusiveGw">
        <omgdc:Bounds height="40" width="40" x="210" y="157"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="standardService" id="BPMNShape_standardService">
        <omgdc:Bounds height="55" width="105" x="390" y="10"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="premiumService" id="BPMNShape_premiumService">
        <omgdc:Bounds height="55" width="105" x="400" y="260"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="theEnd1" id="BPMNShape_theEnd1">
        <omgdc:Bounds height="35" width="35" x="550" y="20"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="theEnd2" id="BPMNShape_theEnd2">
        <omgdc:Bounds height="35" width="35" x="560" y="270"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1">
        <omgdi:waypoint x="125" y="177"></omgdi:waypoint>
        <omgdi:waypoint x="210" y="177"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow3" id="BPMNEdge_flow3">
        <omgdi:waypoint x="230" y="197"></omgdi:waypoint>
        <omgdi:waypoint x="230" y="287"></omgdi:waypoint>
        <omgdi:waypoint x="400" y="287"></omgdi:waypoint>
        <bpmndi:BPMNLabel>
          <omgdc:Bounds height="42" width="100" x="-30" y="3"></omgdc:Bounds>
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2">
        <omgdi:waypoint x="230" y="157"></omgdi:waypoint>
        <omgdi:waypoint x="230" y="37"></omgdi:waypoint>
        <omgdi:waypoint x="390" y="37"></omgdi:waypoint>
        <bpmndi:BPMNLabel>
          <omgdc:Bounds height="42" width="100" x="10" y="0"></omgdc:Bounds>
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow5" id="BPMNEdge_flow5">
        <omgdi:waypoint x="495" y="37"></omgdi:waypoint>
        <omgdi:waypoint x="550" y="37"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow6" id="BPMNEdge_flow6">
        <omgdi:waypoint x="505" y="287"></omgdi:waypoint>
        <omgdi:waypoint x="560" y="287"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>


this is my java class

package org.activiti.examples.bpmn.expression;

import org.activiti.engine.impl.test.PluggableActivitiTestCase;
import org.activiti.engine.impl.util.CollectionUtil;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;
import org.activiti.engine.test.Deployment;


/**
* @author Joram Barrez
*/
public class UelExpressionTest extends PluggableActivitiTestCase {

  @Deployment
  public void testValueAndMethodExpression() {
    // An order of price 150 is a standard order (goes through an UEL value expression)
    UelExpressionTestOrder order = new UelExpressionTestOrder(150);
    ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("uelExpressions",
            CollectionUtil.singletonMap("order",  order));
    Task task = taskService.createTaskQuery().processInstanceId(processInstance.getId()).singleResult();
    assertEquals("Standard service", task.getName());
   
    // While an order of 300, gives us a premium service (goes through an UEL method expression)
    order = new UelExpressionTestOrder(300);
    processInstance = runtimeService.startProcessInstanceByKey("uelExpressions",
            CollectionUtil.singletonMap("order",  order));
    task = taskService.createTaskQuery().processInstanceId(processInstance.getId()).singleResult();
    assertEquals("Premium service", task.getName());
   
  }

}

I have export the java class and place it in the following locations,

C:\activiti-5.8\apps\apache-tomcat-6.0.32\webapps\activiti-explorer\WEB-INF\lib , C:\activiti-5.8\apps\apache-tomcat-6.0.32\webapps\activiti-rest\WEB-INF\lib ,
C:\activiti-5.8\apps\apache-tomcat-6.0.32\lib

While running the java class using juint ,i got the error like …

EXCEPTION: org.activiti.engine.ActivitiException: resource 'org/activiti/examples/bpmn/expression/UelExpressionTest.testValueAndMethodExpression.bpmn20.xml' not found
org.activiti.engine.ActivitiException: resource 'org/activiti/examples/bpmn/expression/UelExpressionTest.testValueAndMethodExpression.bpmn20.xml' not found
   at org.activiti.engine.impl.repository.DeploymentBuilderImpl.addClasspathResource(DeploymentBuilderImpl.java:59)
   at org.activiti.engine.impl.test.TestHelper.annotationDeploymentSetUp(TestHelper.java:95)
   at org.activiti.engine.impl.test.AbstractActivitiTestCase.runBare(AbstractActivitiTestCase.java:88)
   at junit.framework.TestResult$1.protect(TestResult.java:110)
   at junit.framework.TestResult.runProtected(TestResult.java:128)
   at junit.framework.TestResult.run(TestResult.java:113)
   at junit.framework.TestCase.run(TestCase.java:124)
   at junit.framework.TestSuite.runTest(TestSuite.java:232)
   at junit.framework.TestSuite.run(TestSuite.java:227)
   at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
   at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
   at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Oct 29, 2012 2:29:20 PM org.activiti.engine.impl.test.AbstractActivitiTestCase assertAndEnsureCleanDb
INFO: database was clean

But the xml file is there in the corresponding location.
Please help me.What i have missed.

Thanks,
Valarmathi P
Labels:
0 Kudos
11 REPLIES 11

frederikherema1
Star Contributor
Star Contributor

‎10-29-2012 07:08 AM

1) Why are you running unit-tests in a tomcat?
2) The xml-file is not on the class path on the given location. If it was, you wouldn't see this:

EXCEPTION: org.activiti.engine.ActivitiException: resource 'org/activiti/examples/bpmn/expression/UelExpressionTest.testValueAndMethodExpression.bpmn20.xml' not found
0 Kudos

valarmathi
Champ in-the-making
Champ in-the-making

‎10-29-2012 07:12 AM

Hi,

I changed the xml file forthe corresponding path,but i get the different error
Oct 29, 2012 4:40:18 PM org.activiti.engine.ProcessEngines initProcessEnginFromResource
INFO: initializing process engine for resource file:/D:/BPM/valarmathip/activitibpm/ActivitiCoditionalSeqFlow/target/test-classes/activiti.cfg.xml
log4j:WARN No appenders could be found for logger (org.springframework.core.env.StandardEnvironment).
log4j:WARN Please initialize the log4j system properly.
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Oct 29, 2012 4:40:19 PM org.activiti.engine.impl.db.DbSqlSession executeSchemaResource
INFO: performing create on engine with resource org/activiti/db/create/activiti.h2.create.engine.sql
Oct 29, 2012 4:40:19 PM org.activiti.engine.impl.db.DbSqlSession executeSchemaResource
INFO: performing create on history with resource org/activiti/db/create/activiti.h2.create.history.sql
Oct 29, 2012 4:40:19 PM org.activiti.engine.impl.db.DbSqlSession executeSchemaResource
INFO: performing create on identity with resource org/activiti/db/create/activiti.h2.create.identity.sql
Oct 29, 2012 4:40:19 PM org.activiti.engine.impl.ProcessEngineImpl <init>
INFO: ProcessEngine default created
Oct 29, 2012 4:40:19 PM org.activiti.engine.ProcessEngines initProcessEnginFromResource
INFO: initialised process engine default
Oct 29, 2012 4:40:19 PM org.activiti.engine.impl.test.AbstractActivitiTestCase runBare
SEVERE:                                                                                           
Oct 29, 2012 4:40:19 PM org.activiti.engine.impl.bpmn.deployer.BpmnDeployer deploy
INFO: Processing resource org/activiti/examples/bpmn/expression/UelExpressionTest.testValueAndMethodExpression.bpmn20.xml
Oct 29, 2012 4:40:19 PM org.activiti.engine.impl.bpmn.parser.BpmnParse parseDefinitionsAttributes
INFO: XMLSchema currently not supported as typeLanguage
Oct 29, 2012 4:40:19 PM org.activiti.engine.impl.bpmn.parser.BpmnParse parseDefinitionsAttributes
INFO: XPath currently not supported as expressionLanguage
Oct 29, 2012 4:40:19 PM org.activiti.engine.impl.bpmn.parser.BpmnParse parseProcessDefinitions
INFO: Process with id='uelExpressions' hasn't the attribute isExecutable set. Please maintain it, so you are compatible to future activiti versions.
Oct 29, 2012 4:40:20 PM org.activiti.engine.impl.interceptor.CommandContext close
SEVERE: Error while closing command context
org.activiti.engine.ActivitiException: no processes deployed with key 'UelExpressionTest.testValueAndMethodExpression'
at org.activiti.engine.impl.persistence.deploy.DeploymentCache.findDeployedLatestProcessDefinitionByKey(DeploymentCache.java:63)
at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:58)
at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:31)
at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)
at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:42)
at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
at org.activiti.engine.impl.RuntimeServiceImpl.startProcessInstanceByKey(RuntimeServiceImpl.java:55)
at org.activiti.examples.bpmn.expression.UelExpressionTest.testValueAndMethodExpression(UelExpressionTest.java:32)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at junit.framework.TestCase.runTest(TestCase.java:168)
at org.activiti.engine.impl.test.PvmTestCase.runTest(PvmTestCase.java:75)
at junit.framework.TestCase.runBare(TestCase.java:134)
at org.activiti.engine.impl.test.AbstractActivitiTestCase.runBare(AbstractActivitiTestCase.java:90)
at junit.framework.TestResult$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:232)
at junit.framework.TestSuite.run(TestSuite.java:227)
at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Oct 29, 2012 4:40:20 PM org.activiti.engine.impl.test.PvmTestCase runTest
SEVERE:                                                                                           
Oct 29, 2012 4:40:20 PM org.activiti.engine.impl.test.PvmTestCase runTest
SEVERE: EXCEPTION: org.activiti.engine.ActivitiException: no processes deployed with key 'UelExpressionTest.testValueAndMethodExpression'
org.activiti.engine.ActivitiException: no processes deployed with key 'UelExpressionTest.testValueAndMethodExpression'
at org.activiti.engine.impl.persistence.deploy.DeploymentCache.findDeployedLatestProcessDefinitionByKey(DeploymentCache.java:63)
at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:58)
at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:31)
at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)
at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:42)
at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
at org.activiti.engine.impl.RuntimeServiceImpl.startProcessInstanceByKey(RuntimeServiceImpl.java:55)
at org.activiti.examples.bpmn.expression.UelExpressionTest.testValueAndMethodExpression(UelExpressionTest.java:32)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at junit.framework.TestCase.runTest(TestCase.java:168)
at org.activiti.engine.impl.test.PvmTestCase.runTest(PvmTestCase.java:75)
at junit.framework.TestCase.runBare(TestCase.java:134)
at org.activiti.engine.impl.test.AbstractActivitiTestCase.runBare(AbstractActivitiTestCase.java:90)
at junit.framework.TestResult$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:232)
at junit.framework.TestSuite.run(TestSuite.java:227)
at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Oct 29, 2012 4:40:20 PM org.activiti.engine.impl.test.AbstractActivitiTestCase runBare
SEVERE:                                                                                           
Oct 29, 2012 4:40:20 PM org.activiti.engine.impl.test.AbstractActivitiTestCase runBare
SEVERE: EXCEPTION: org.activiti.engine.ActivitiException: no processes deployed with key 'UelExpressionTest.testValueAndMethodExpression'
org.activiti.engine.ActivitiException: no processes deployed with key 'UelExpressionTest.testValueAndMethodExpression'
at org.activiti.engine.impl.persistence.deploy.DeploymentCache.findDeployedLatestProcessDefinitionByKey(DeploymentCache.java:63)
at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:58)
at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:31)
at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)
at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:42)
at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
at org.activiti.engine.impl.RuntimeServiceImpl.startProcessInstanceByKey(RuntimeServiceImpl.java:55)
at org.activiti.examples.bpmn.expression.UelExpressionTest.testValueAndMethodExpression(UelExpressionTest.java:32)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at junit.framework.TestCase.runTest(TestCase.java:168)
at org.activiti.engine.impl.test.PvmTestCase.runTest(PvmTestCase.java:75)
at junit.framework.TestCase.runBare(TestCase.java:134)
at org.activiti.engine.impl.test.AbstractActivitiTestCase.runBare(AbstractActivitiTestCase.java:90)
at junit.framework.TestResult$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:232)
at junit.framework.TestSuite.run(TestSuite.java:227)
at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Oct 29, 2012 4:40:20 PM org.activiti.engine.impl.test.AbstractActivitiTestCase assertAndEnsureCleanDb
INFO: database was clean

The method is there in this class.



package org.activiti.examples.bpmn.expression;

import java.io.Serializable;


/**
* Simple POJO, just for test purposes
*
* @author Joram Barrez
*/
public class UelExpressionTestOrder implements Serializable {
 
  private static final long serialVersionUID = 1L;
 
  protected int price;
 
  public UelExpressionTestOrder(int price) {
    this.price = price;
  }
 
  public void setPrice(int price) {
    this.price = price;
  }
 
  public int getPrice() {
    return price;
  }
 
  public boolean isPremiumOrder() {
    return price >= 250;
  }

}
what i did the mistake,please help me out.

Thanks,
Valarmathi P
0 Kudos

frederikherema1
Star Contributor
Star Contributor

‎10-29-2012 07:16 AM

Please don't just paste any stack trace you encounter in the forum and expect people to fix you're problem. Please read the stack trace yourself first..  It clearly says:


no processes deployed with key 'UelExpressionTest.testValueAndMethodExpression'

So look into your bpmn20.xml file and see what the process-ID is…
0 Kudos

valarmathi
Champ in-the-making
Champ in-the-making

‎11-01-2012 02:34 AM

Hi,

I used to change the process id,previously i didnt noticied it .

Now i got the different error

Exception

com.vaadin.event.ListenerMethod$MethodException
Cause: org.activiti.engine.ActivitiException: Unknown property used in expression
at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:510)
at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:164)
at com.vaadin.ui.AbstractComponent.fireEvent(AbstractComponent.java:1193)
at com.vaadin.ui.Button.fireClick(Button.java:539)
at com.vaadin.ui.Button.changeVariables(Button.java:206)
at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.handleVariableBurst(AbstractCommunicationManager.java:1299)
at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.handleVariables(AbstractCommunicationManager.java:1219)
at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.doHandleUidlRequest(AbstractCommunicationManager.java:735)
at com.vaadin.terminal.gwt.server.CommunicationManager.handleUidlRequest(CommunicationManager.java:296)
at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.service(AbstractApplicationServlet.java:501)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
Caused by: org.activiti.engine.ActivitiException: Unknown property used in expression
at org.activiti.engine.impl.el.JuelExpression.getValue(JuelExpression.java:55)
at org.activiti.engine.impl.el.UelExpressionCondition.evaluate(UelExpressionCondition.java:37)
at org.activiti.engine.impl.bpmn.behavior.ExclusiveGatewayActivityBehavior.leave(ExclusiveGatewayActivityBehavior.java:63)
at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.execute(FlowNodeActivityBehavior.java:36)
at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:44)
at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:80)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:546)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:541)
at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerStart.java:52)
at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)
at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:80)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:546)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:541)
at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)
at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:80)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:546)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:541)
at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionCreateScope.execute(AtomicOperationTransitionCreateScope.java:49)
at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:80)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:546)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:541)
at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerTake.execute(AtomicOperationTransitionNotifyListenerTake.java:65)
at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:80)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:546)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:541)
at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionDestroyScope.execute(AtomicOperationTransitionDestroyScope.java:115)
at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:80)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:546)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:541)
at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerEnd.java:36)
at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)
at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:80)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:546)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:541)
at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)
at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:80)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:546)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:541)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:381)
at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performOutgoingBehavior(BpmnActivityBehavior.java:102)
at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performDefaultOutgoingBehavior(BpmnActivityBehavior.java:51)
at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.leave(FlowNodeActivityBehavior.java:44)
at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.execute(FlowNodeActivityBehavior.java:36)
at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:44)
at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:80)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:546)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:541)
at org.activiti.engine.impl.pvm.runtime.AtomicOperationProcessStartInitial.eventNotificationsCompleted(AtomicOperationProcessStartInitial.java:46)
at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)
at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:80)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:546)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:541)
at org.activiti.engine.impl.pvm.runtime.AtomicOperationProcessStart.eventNotificationsCompleted(AtomicOperationProcessStart.java:45)
at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)
at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:80)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:546)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:541)
at org.activiti.engine.impl.persistence.entity.ExecutionEntity.start(ExecutionEntity.java:335)
at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:72)
at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:31)
at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)
at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:42)
at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:42)
at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)
at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)
at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
at org.activiti.engine.impl.RuntimeServiceImpl.startProcessInstanceById(RuntimeServiceImpl.java:63)
at org.activiti.explorer.ui.process.listener.StartProcessInstanceClickListener.buttonClick(StartProcessInstanceClickListener.java:71)
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 com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:490)
… 22 more
Caused by: org.activiti.engine.impl.javax.el.PropertyNotFoundException: Cannot resolve identifier 'order'
at org.activiti.engine.impl.juel.AstIdentifier.eval(AstIdentifier.java:83)
at org.activiti.engine.impl.juel.AstProperty.eval(AstProperty.java:52)
at org.activiti.engine.impl.juel.AstEval.eval(AstEval.java:50)
at org.activiti.engine.impl.juel.AstNode.getValue(AstNode.java:26)
at org.activiti.engine.impl.juel.TreeValueExpression.getValue(TreeValueExpression.java:114)
at org.activiti.engine.impl.delegate.ExpressionGetInvocation.invoke(ExpressionGetInvocation.java:33)
at org.activiti.engine.impl.delegate.DelegateInvocation.proceed(DelegateInvocation.java:37)
at org.activiti.engine.impl.delegate.DefaultDelegateInterceptor.handleInvocation(DefaultDelegateInterceptor.java:25)
at org.activiti.engine.impl.el.JuelExpression.getValue(JuelExpression.java:50)
… 94 more

But the identifier 'order' is declared in the class name object.Please help me.
Thanks,
Valarmathi P
0 Kudos

jbarrez
Star Contributor
Star Contributor

‎11-02-2012 03:23 AM

Cause: org.activiti.engine.ActivitiException: Unknown property used in expression

You are referencing a variable in your expression which isn't a process variable.
0 Kudos

valarmathi
Champ in-the-making
Champ in-the-making

‎11-02-2012 04:54 AM

Hi ,

I used these two variables in the sequence flow

<sequenceFlow id="flow3" name="${order.isPremiumOrder}" sourceRef="exclusiveGw" targetRef="premiumService">
<conditionExpression xsi:type="tFormalExpression"><![CDATA[${order.isPremiumOrder}]]></conditionExpression>
</sequenceFlow>
<sequenceFlow id="flow2" name="${order.price&lt;=250}" sourceRef="exclusiveGw" targetRef="standardService">
<conditionExpression xsi:type="tFormalExpression"><![CDATA[${order.price <= 250}]]></conditionExpression>
</sequenceFlow>

but i didnt mention these variables in the process,mentioned in he java class itself.

Thanks,
Valarmathi P
0 Kudos

jbarrez
Star Contributor
Star Contributor

‎11-05-2012 02:51 AM

I see… Hmm, as far as I see the process, that should just work. You've added the 'order' object in the map you provide on process instance start, so that's good.

Can you add a service task in between en write out the order value? Can the variable be found there?
0 Kudos

valarmathi
Champ in-the-making
Champ in-the-making

‎11-05-2012 03:29 AM

That's the problem,order value not found anywhere in the process.I thought i need to mention the order value,but i don't know where i can declare it.Please tell me.

Thanks,
Valarmathi P
0 Kudos

frederikherema1
Star Contributor
Star Contributor

‎11-05-2012 06:13 AM

HOW do you place the order variable on the process in the first place? You said using Java…
0 Kudos
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