In Activiti 5.16.1 i get the following ugly "warning" exception when deploying my activie proces, usin spring.
java.lang.NullPointerException: null at org.activiti.image.impl.DefaultProcessDiagramGenerator.connectionPerfectionizer(DefaultProcessDiagramGenerator.java:593) ~[activiti-image-generator-5.16.1.jar:5.16.1] at org.activiti.image.impl.DefaultProcessDiagramGenerator$22.draw(DefaultProcessDiagramGenerator.java:358) ~[activiti-image-generator-5.16.1.jar:5.16.1] at org.activiti.image.impl.DefaultProcessDiagramGenerator.drawArtifact(DefaultProcessDiagramGenerator.java:680) ~[activiti-image-generator-5.16.1.jar:5.16.1]
Diving into the code it was easy to see that i just needed to set the "createDiagramOnDeploy" property to false on my ProcessEngineConfiguration. This is set default to true, but then this also gives an exception by default.
Just thought this was a bit ugly. Default behaviour printing stacktraces like that.
How does your process xml looks like? Cause you should only see this exception if your BPMN 2.0 xml has diagram info, but NOT for a certain sequenceflow (which leads to the NPE). In theory, if you used a BPMN 2.0 visual tool, this shouldn't happen.
I tried to create a seperate proces that recreated the issues but to no avail. It occurs with 70 percent of the processes. The processes all are connected through events however. Possibly thatis the reason why the standalone test proces succeeds. Anyhow, no biggie, it is just a warning and i was able to disable it.
The exception will happen in case of a flow without a source element, which shouldn't be possible with a correct BPMN XML I think. Could you debug which flow is the source of this exception and why it doesn't have a source element?
