I have simple process with a Service Task backed by a ReceiveTaskActivityBehavior. It will invoke a command in a remote machine and wait for a notification. When I send a signal from outside, it hits the signal method but the data is null. Please help.test.bpmn———–<?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:xsd="http://www.w3.org/2001/XMLSchema" xmlns:activiti="http://activiti.org/bpmn" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:omgdi="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="test1" name="test1" isExecutable="true"> <startEvent id="startevent1" name="Start"></startEvent> <endEvent id="endevent1" name="End"></endEvent> <serviceTask id="servicetask1" name="Service Task" activiti:class="org.activiti.CustomTask"></serviceTask> <sequenceFlow id="flow1" sourceRef="startevent1" targetRef="servicetask1"></sequenceFlow> <sequenceFlow id="flow2" sourceRef="servicetask1" targetRef="endevent1"></sequenceFlow> </process> </definitions>
ReceiveTaskActivityBehavior————————public class CustomTask extends ReceiveTaskActivityBehavior { private static final long serialVersionUID = 2945313111593357836L; @Override public void execute(ActivityExecution execution) throws Exception { Command command = new Command(); command.doSomething(execution.getEngineServices().getRuntimeService(), execution); } @Override public void signal(ActivityExecution execution, String signalName, Object data) throws Exception {
Command.java————-public class Command { public void doSomething(RuntimeService runtimeService, ActivityExecution execution) { System.out.println("done");
