Problem
While running a job the following error message is seen:
ERROR [<timestamp>] [JobScheduler thread-1] (JobScheduler.java:809) - Job <jobID> failed with exception. java.lang.RuntimeException: java.lang.RuntimeException: Failed to run cluster job for 'Workbook job (<jobID>): OfferSuppressions8#AllJoin1Calc(Keep columns 0,1,2,3,4,5,6,7,8,9)' at datameer.dap.common.graphv2.ConcurrentClusterSession$1.run(ConcurrentClusterSession.java:51) ...
Caused by: java.lang.RuntimeException: Task: Error: java.lang.ClassNotFoundException: datameer.das.functions.general.CoalesceFunction$2
Cause
The underlying class or JAR file is missing or not accessible due to the classpath
.
Solution
- Stop the Datameer service
- In
das-env.sh
add-verbose:class
to JVM arguments - Start the Datameer service
- Look for the missing class or JAR file in
logs/jvm-stdout.log
It should now have an entries like
[Loaded datameer.dap.common.graphv2.ConcurrentClusterSession$1 from file:/opt/datameer/Datameer-<version>-<dist>/webapps/conductor/WEB-INF/classes/]
[Loaded datameer.dap.common.graphv2.ConcurrentClusterSession from file:/opt/datameer/Datameer-<version>-<dist>/webapps/conductor/WEB-INF/classes/]
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