We are using the workflow to 'Dam Update Asset' to create renditions for all the new assets that are added in AEM.
18.07.2017 07:24:15.270 *ERROR* [JobHandler: /etc/workflow/instances/server1/2017-07-18/model_6797382541536:/content/dam/test/homepage/2017/06-19/homepage-logo.png/jcr:content/renditions/original] com.day.cq.workflow.compatibility.CQWorkflowProcessRunner Process execution resulted in an error: null
java.lang.NullPointerException: null
at com.day.cq.dam.core.process.CreateSubAssetsProcess.execute(CreateSubAssetsProcess.java:50)
at com.day.cq.workflow.compatibility.CQWorkflowProcessRunner.execute(CQWorkflowProcessRunner.java:93)
at com.adobe.granite.workflow.core.job.HandlerBase.executeProcess(HandlerBase.java:184)
at com.adobe.granite.workflow.core.job.JobHandler.process(JobHandler.java:232)
at org.apache.sling.event.impl.jobs.JobConsumerManager$JobConsumerWrapper.process(JobConsumerManager.java:512)
at org.apache.sling.event.impl.jobs.queues.JobRunner.run(JobRunner.java:205)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
18.07.https://lh3.googleusercontent.com/-U2shZQNg6b8/WW20fbyonsI/AAAAAAAAWJQ/B4fjzGVfosgJzwvQ7QzBQSqIJDSU3... 07:24:15.270 *ERROR* [JobHandler: /etc/workflow/instances/server1/2017-07-18/model_6797382541536:/content/dam/test/homepage/2017/06-19/homepage-logo.png/jcr:content/renditions/original] com.adobe.granite.workflow.core.job.JobHandler Process execution resulted in an error
com.adobe.granite.workflow.WorkflowException: Process execution resulted in an error
at com.adobe.granite.workflow.core.job.HandlerBase.executeProcess(HandlerBase.java:194)
at com.adobe.granite.workflow.core.job.JobHandler.process(JobHandler.java:232)
at org.apache.sling.event.impl.jobs.JobConsumerManager$JobConsumerWrapper.process(JobConsumerManager.java:512)
at org.apache.sling.event.impl.jobs.queues.JobRunner.run(JobRunner.java:205)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
Caused by: com.adobe.granite.workflow.WorkflowException: Failed to execute process
at com.day.cq.workflow.compatibility.CQWorkflowProcessRunner.execute(CQWorkflowProcessRunner.java:108)
at com.adobe.granite.workflow.core.job.HandlerBase.executeProcess(HandlerBase.java:184)
... 6 common frames omitted
Caused by: java.lang.NullPointerException: null
at com.day.cq.dam.core.process.CreateSubAssetsProcess.execute(CreateSubAssetsProcess.java:50)
at com.day.cq.workflow.compatibility.CQWorkflowProcessRunner.execute(CQWorkflowProcessRunner.java:93)
... 7 common frames omitted
Can anyone help with finding out what is causing the nullpointer exception on line 50 ?