[jira] [Created] (GOBBLIN-2155) DeleteWorkDirsActivity needs to serialize the empty result

["William Lo (Jira)" <ji...@apache.org>]

William Lo created GOBBLIN-2155:
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             Summary: DeleteWorkDirsActivity needs to serialize the empty result
                 Key: GOBBLIN-2155
                 URL: https://issues.apache.org/jira/browse/GOBBLIN-2155
             Project: Apache Gobblin
          Issue Type: Bug
            Reporter: William Lo


Currently there is a bug in Temporal when there are no work directories to delete, e.g. non hdfs sink jobs.
{code:java}
Caused by: io.temporal.common.converter.DataConverterException: com.fasterxml.jackson.databind.JsonMappingException: successesByDirPath is marked non-null but is null
 at [Source: (byte[])"{"successesByDirPath":null}"; line: 1, column: 23] (through reference chain: org.apache.gobblin.temporal.ddm.work.DirDeletionResult["successesByDirPath"])
	at io.temporal.common.converter.JacksonJsonPayloadConverter.fromData(JacksonJsonPayloadConverter.java:101)
	at io.temporal.common.converter.DefaultDataConverter.fromPayload(DefaultDataConverter.java:145) {code}
We need to fix the empty result of DeleteWorkDirsActivity to support this scenario with a serializable result and add tests.



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