Create sub assets throws nullpointer

StevenRymenans

18-07-2017

We are using the workflow to 'Dam Update Asset' to create renditions for all the new assets that are added in AEM.

And since yesterday we see the following error appearing in the log files:

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 ?

Regards

Steven

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