Hi Tijs,
This is a different Error Message, that's why I wrote: Also we are getting… (meaning additionally) Here is a bigger snippet from our log:
<code>
15:32:19,583 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find pool2
15:32:19,583 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find lane2
15:32:19,598 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find lane3
15:32:19,598 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation1
15:32:19,598 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation2
15:32:19,598 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation3
15:32:19,598 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation4
15:32:19,598 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation7
15:32:19,598 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation8
15:32:19,614 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation9
15:32:19,614 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation13
15:32:19,614 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation14
15:32:19,614 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation19
15:32:19,614 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation20
15:32:19,614 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation21
15:32:19,614 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation22
15:32:19,630 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation23
15:32:19,630 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation24
15:32:19,630 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation25
15:32:19,630 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation26
15:32:19,630 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation27
15:32:19,630 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find textannotation28
15:32:19,630 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find association1
15:32:19,630 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find association4
15:32:19,645 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find association8
15:32:19,645 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find association13
15:32:19,645 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find association14
15:32:19,645 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find association19
15:32:19,645 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find association20
15:32:19,645 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find association21
15:32:19,645 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find association23
15:32:19,645 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find association26
15:32:19,661 WARN [org.activiti.engine.impl.bpmn.parser.BpmnParse] (MSC service thread 1-11) Invalid reference in diagram interchange definition: could not find association28
15:32:19,661 WARN [org.activiti.engine.impl.bpmn.deployer.BpmnDeployer] (MSC service thread 1-11) Error while generating process diagram, image will not be stored in repository: java.lang.NullPointerException
at org.activiti.engine.impl.bpmn.diagram.ProcessDiagramGenerator.initProcessDiagramCanvas(ProcessDiagramGenerator.java:531) [org-activiti-activiti-engine-5.12.jar:5.12]
at org.activiti.engine.impl.bpmn.diagram.ProcessDiagramGenerator.generateDiagram(ProcessDiagramGenerator.java:337) [org-activiti-activiti-engine-5.12.jar:5.12]
at org.activiti.engine.impl.bpmn.diagram.ProcessDiagramGenerator.generateDiagram(ProcessDiagramGenerator.java:363) [org-activiti-activiti-engine-5.12.jar:5.12]
at org.activiti.engine.impl.bpmn.diagram.ProcessDiagramGenerator.generatePngDiagram(ProcessDiagramGenerator.java:321) [org-activiti-activiti-engine-5.12.jar:5.12]
at org.activiti.engine.impl.bpmn.deployer.BpmnDeployer.deploy(BpmnDeployer.java:100) [org-activiti-activiti-engine-5.12.jar:5.12]
at org.activiti.engine.impl.persistence.deploy.DeploymentManager.deploy(DeploymentManager.java:42) [org-activiti-activiti-engine-5.12.jar:5.12]
at org.activiti.engine.impl.cmd.DeployCmd.execute(DeployCmd.java:68) [org-activiti-activiti-engine-5.12.jar:5.12]
at org.activiti.engine.impl.cmd.DeployCmd.execute(DeployCmd.java:33) [org-activiti-activiti-engine-5.12.jar:5.12]
at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24) [org-activiti-activiti-engine-5.12.jar:5.12]
at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:61) [org-activiti-activiti-engine-5.12.jar:5.12]
at org.activiti.engine.impl.interceptor.JtaTransactionInterceptor.execute(JtaTransactionInterceptor.java:60) [org-activiti-activiti-engine-5.12.jar:5.12]
at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31) [org-activiti-activiti-engine-5.12.jar:5.12]
at org.activiti.engine.impl.RepositoryServiceImpl.deploy(RepositoryServiceImpl.java:70) [org-activiti-activiti-engine-5.12.jar:5.12]
at org.activiti.engine.impl.repository.DeploymentBuilderImpl.deploy(DeploymentBuilderImpl.java:134) [org-activiti-activiti-engine-5.12.jar:5.12]
at org.activiti.cdi.impl.ProcessDeployer.deployProcesses(ProcessDeployer.java:88) [org-activiti-activiti-cdi-5.12.jar:]
at org.activiti.cdi.impl.ActivitiExtension.deployProcesses(ActivitiExtension.java:117) [org-activiti-activiti-cdi-5.12.jar:]
at org.activiti.cdi.impl.ActivitiExtension.afterDeploymentValidation(ActivitiExtension.java:70) [org-activiti-activiti-cdi-5.12.jar:]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_17]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_17]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_17]
at java.lang.reflect.Method.invoke(Method.java:601) [rt.jar:1.7.0_17]
at org.jboss.weld.util.reflection.SecureReflections$13.work(SecureReflections.java:264) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.util.reflection.SecureReflectionAccess.run(SecureReflectionAccess.java:52) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.util.reflection.SecureReflectionAccess.runAsInvocation(SecureReflectionAccess.java:137) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.util.reflection.SecureReflections.invoke(SecureReflections.java:260) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.introspector.jlr.WeldMethodImpl.invokeOnInstance(WeldMethodImpl.java:170) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.introspector.ForwardingWeldMethod.invokeOnInstance(ForwardingWeldMethod.java:51) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.injection.MethodInjectionPoint.invokeOnInstanceWithSpecialValue(MethodInjectionPoint.java:154) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.java:241) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.java:229) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.event.ObserverMethodImpl.notify(ObserverMethodImpl.java:207) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.bootstrap.events.AbstractContainerEvent.fire(AbstractContainerEvent.java:75) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.bootstrap.events.AbstractDeploymentContainerEvent.fire(AbstractDeploymentContainerEvent.java:46) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.bootstrap.events.AfterDeploymentValidationImpl.fire(AfterDeploymentValidationImpl.java:31) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.bootstrap.WeldBootstrap.validateBeans(WeldBootstrap.java:369) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.as.weld.WeldContainer.start(WeldContainer.java:83) [jboss-as-weld-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.as.weld.services.WeldService.start(WeldService.java:76) [jboss-as-weld-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_17]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_17]
at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_17]
</code>