hi all,
I’m trying to deploy my application that contains Java classes that will be used in BPMN as service tasks.
after I build the project, I tried to deploy the war file to Tomcat server, the process does not appear in the cockpit.
please help me to figure out the issue.
I deployed to standalone camunda application to Tomcat. following the topic:
already connected to the SQL server database and it is working fine.
Java class that contains simple print function: Terminatetxt.txt (904 Bytes)
18-Dec-2019 17:55:18.896 INFO [Catalina-utility-2] org.camunda.commons.logging.BaseLogger.logInfo ENGINE-08023 Deployment summary for process archive ‘hlts’:
process.bpmn
log on tomcat:
18-Dec-2019 17:55:19.037 INFO [Catalina-utility-2] > org.camunda.commons.logging.BaseLogger.logInfo ENGINE-07021 ProcessApplication ‘hlts’ registered for DB deployments [6879ec80-21a6-11ea-990d-8cdcd4574b33]. Will execute process definitions
FacilitiesAccProcess01[version: 1, id: FacilitiesAccProcess01:1:68884462-21a6-11ea-990d-8cdcd4574b33]
Deployment does not provide any case definitions.
Standalone web application distribution is a self-contained web application and includes an embedded process engine which is configured using the Spring Framework and will automatically start when the application is deployed.
And as you are looking to deploy your business process as a java process application war then you should deploy it to a container with a shared engine or it should be a standalone application itself deployed to vanilla distribution of a supported application server.
I already tried the approach you have mentioned with simple service task. process.bpmn (3.6 KB)
public class AcceptInvoice implements JavaDelegate {
@Override
public void execute(DelegateExecution execution) throws Exception {
execution.setVariable("Amount",5000);
System.out.println("\n **************** \n Service Task is done! ..\n **************** \n");
}
}
kindly check the log:
19-Dec-2019 11:14:34.642 SEVERE [http-nio-8080-exec-4] org.camunda.commons.logging.BaseLogger.logError ENGINE-16004 Exception while closing command context: ENGINE-09008 Exception while instantiating class 'elm.art.AcceptInvoice': ENGINE-09017 Cannot load class 'elm.art.AcceptInvoice': elm.art.AcceptInvoice
org.camunda.bpm.engine.ProcessEngineException: ENGINE-09008 Exception while instantiating class 'elm.art.AcceptInvoice': ENGINE-09017 Cannot load class 'elm.art.AcceptInvoice': elm.art.AcceptInvoice
at org.camunda.bpm.engine.impl.util.EngineUtilLogger.exceptionWhileInstantiatingClass(EngineUtilLogger.java:81)
at org.camunda.bpm.engine.impl.util.ClassDelegateUtil.instantiateDelegate(ClassDelegateUtil.java:53)
at org.camunda.bpm.engine.impl.bpmn.behavior.ClassDelegateActivityBehavior.getActivityBehaviorInstance(ClassDelegateActivityBehavior.java:111)
at org.camunda.bpm.engine.impl.bpmn.behavior.ClassDelegateActivityBehavior$1.call(ClassDelegateActivityBehavior.java:67)
at org.camunda.bpm.engine.impl.bpmn.behavior.ClassDelegateActivityBehavior$1.call(ClassDelegateActivityBehavior.java:64)
at org.camunda.bpm.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior.executeWithErrorPropagation(AbstractBpmnActivityBehavior.java:110)
at org.camunda.bpm.engine.impl.bpmn.behavior.ClassDelegateActivityBehavior.execute(ClassDelegateActivityBehavior.java:64)
at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationActivityExecute$2.callback(PvmAtomicOperationActivityExecute.java:60)
at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationActivityExecute$2.callback(PvmAtomicOperationActivityExecute.java:49)
at org.camunda.bpm.engine.impl.pvm.runtime.PvmExecutionImpl.continueIfExecutionDoesNotAffectNextOperation(PvmExecutionImpl.java:1988)
at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationActivityExecute.execute(PvmAtomicOperationActivityExecute.java:41)
at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationActivityExecute.execute(PvmAtomicOperationActivityExecute.java:30)
at org.camunda.bpm.engine.impl.interceptor.AtomicOperationInvocation.execute(AtomicOperationInvocation.java:95)
at org.camunda.bpm.engine.impl.interceptor.CommandInvocationContext.invokeNext(CommandInvocationContext.java:127)
at org.camunda.bpm.engine.impl.interceptor.CommandInvocationContext.performNext(CommandInvocationContext.java:107)
at org.camunda.bpm.engine.impl.interceptor.CommandInvocationContext.performOperation(CommandInvocationContext.java:82)
at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:640)
at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:614)
at org.camunda.bpm.engine.impl.pvm.runtime.PvmExecutionImpl$6.callback(PvmExecutionImpl.java:1927)
at org.camunda.bpm.engine.impl.pvm.runtime.PvmExecutionImpl$6.callback(PvmExecutionImpl.java:1924)
at org.camunda.bpm.engine.impl.pvm.runtime.PvmExecutionImpl.continueExecutionIfNotCanceled(PvmExecutionImpl.java:1994)
at org.camunda.bpm.engine.impl.pvm.runtime.PvmExecutionImpl.dispatchDelayedEventsAndPerformOperation(PvmExecutionImpl.java:1943)
at org.camunda.bpm.engine.impl.pvm.runtime.PvmExecutionImpl.dispatchDelayedEventsAndPerformOperation(PvmExecutionImpl.java:1924)
at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(PvmAtomicOperationTransitionNotifyListenerStart.java:60)