null pointer exception

habibhalaoui — Sun, 19 May 2013 08:09:52 GMT

hello I can not solve this problem of nullpinterExeption ie have the value of loan Amountthe XML file<process id="loanrequest" name="Process to handle a loan request" isExecutable="true"> <extensionElements> <activiti:executionListener class="org.bpmnwithactiviti.chapter5.listene

Re: null pointer exception

habibhalaoui — Sun, 19 May 2013 08:15:34 GMT

Sorry the xml file

<code><process id="loanrequest" name="Process to handle a loan request" isExecutable="true">
<extensionElements>
     <activiti:executionListener class="org.bpmnwithactiviti.chapter5.listener.ProcessStartExecutionListener" event="start" />
   <activiti:executionListener class="org.bpmnwithactiviti.chapter5.listener.ProcessEndExecutionListener" event="end" />
   </extensionElements>
    <startEvent id="theStart" >
      <extensionElements>
        <activiti:formProperty id="name" name="Name" type="string" required="true"></activiti:formProperty>
        <activiti:formProperty id="emailAddress" name="Email address" type="string" required="true"></activiti:formProperty>
        <activiti:formProperty id="income" name="Income" type="long" required="true"></activiti:formProperty>
        <activiti:formProperty id="loanAmount" name="Loan amount" type="long" required="true" ></activiti:formProperty>

</extensionElements>
    </startEvent>

    <sequenceFlow id="sequenceFlow-d450f4a5-4e6f-4b3e-8451-07228a5b1b0d" sourceRef="theStart" targetRef="checkCredit"></sequenceFlow>
    <scriptTask id="checkCredit" scriptFormat="groovy" activiti:autoStoreVariables="true">
      <script>
    outrintln "Checking credit for " + name;
    creditCheckOk = false;
    if((income / 2) > loanAmount){
     creditCheckOk = true;
    }
    outrintln "Checked credit for " + name + " outcome is " + creditCheckOk;
   </script>
    </scriptTask>
    <sequenceFlow id="sequenceFlow-b5777c55-420a-426c-9245-44fcb83e4df4" sourceRef="checkCredit" targetRef="createApplication"></sequenceFlow>
    <serviceTask id="createApplication" activiti:class="org.bpmnwithactiviti.chapter5.CreateApplicationTask"></serviceTask>
    <sequenceFlow id="sequenceFlow-a205db56-b336-492d-92b1-3c7996441546" sourceRef="createApplication" targetRef="evaluateLoanRequest"></sequenceFlow>
    <userTask id="evaluateLoanRequest" name="Evaluate loan request" activiti:assignee="fozzie">
      <extensionElements>
        <activiti:formProperty id="customerName" name="Customer name" expression="${loanApplication.customerName}" writable="false"></activiti:formProperty>
        <activiti:formProperty id="income" name="Income of customer" expression="${loanApplication.income}" writable="false"></activiti:formProperty>
        <activiti:formProperty id="requestedAmount" name="Requested loan amount" expression="${loanApplication.requestedAmount}" writable="false"></activiti:formProperty>
        <activiti:formProperty id="creditCheckOk" name="Outcome of credit check" expression="${loanApplication.creditCheckOk}" writable="false"></activiti:formProperty>
        <activiti:formProperty id="requestApproved" name="Do you approve the request?" type="enum" required="true">
          <activiti:value id="true" name="Yes"></activiti:value>
          <activiti:value id="false" name="No"></activiti:value>
        </activiti:formProperty>
        <activiti:formProperty id="explanation" name="Explanation"></activiti:formProperty>
      </extensionElements>
    </userTask>
    <sequenceFlow id="sequenceFlow-bb80e463-aeaa-400f-b4e0-93411ebf9d03" sourceRef="evaluateLoanRequest" targetRef="approvalGateway"></sequenceFlow>
    <boundaryEvent id="escalationTimer" attachedToRef="evaluateLoanRequest" cancelActivity="true">
      <timerEventDefinition>
        <timeDuration>PT1M</timeDuration>
      </timerEventDefinition>
    </boundaryEvent>
    <sequenceFlow id="sequenceFlow-e77d6d4d-9c90-4abe-979b-55562296a412" sourceRef="escalationTimer" targetRef="evaluateRequestByManager"></sequenceFlow>
    <userTask id="evaluateRequestByManager" name="Evaluate loan request by manager" activiti:candidateGroups="management">
      <extensionElements>
        <activiti:formProperty id="customerName" name="Customer name" expression="${loanApplication.customerName}" writable="false"></activiti:formProperty>
        <activiti:formProperty id="income" name="Income of customer" expression="${loanApplication.income}" writable="false"></activiti:formProperty>
        <activiti:formProperty id="requestedAmount" name="Requested loan amount" expression="${loanApplication.requestedAmount}" writable="false"></activiti:formProperty>
        <activiti:formProperty id="creditCheckOk" name="Outcome of credit check" expression="${loanApplication.creditCheckOk}" writable="false"></activiti:formProperty>
        <activiti:formProperty id="requestApproved" name="Do you approve the request?" type="enum" required="true">
          <activiti:value id="true" name="Yes"></activiti:value>
          <activiti:value id="false" name="No"></activiti:value>
        </activiti:formProperty>
        <activiti:formProperty id="explanation" name="Explanation"></activiti:formProperty>
      </extensionElements>
    </userTask></code>

Re: null pointer exception

avc — Tue, 21 May 2013 11:59:52 GMT

the Var loanamount is case sensitive you mean loanAmount in the getter

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