[jira] [Created] (KAFKA-6413) ReassignPartitionsCommand#parsePartitionReassignmentData() should give better error message when JSON is malformed

["Ted Yu (JIRA)" <ji...@apache.org>]

Ted Yu created KAFKA-6413:
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             Summary: ReassignPartitionsCommand#parsePartitionReassignmentData() should give better error message when JSON is malformed
                 Key: KAFKA-6413
                 URL: https://issues.apache.org/jira/browse/KAFKA-6413
             Project: Kafka
          Issue Type: Improvement
            Reporter: Ted Yu
            Priority: Minor


In this thread: http://search-hadoop.com/m/Kafka/uyzND1J9Hizcxo0X?subj=Partition+reassignment+data+file+is+empty , Allen gave an example JSON string with extra comma where partitionsToBeReassigned returned by ReassignPartitionsCommand#parsePartitionReassignmentData() was empty.

I tried the following example where a right bracket is removed:
{code}
    val (partitionsToBeReassigned, replicaAssignment) = ReassignPartitionsCommand.parsePartitionReassignmentData(
        "{\"version\":1,\"partitions\":[{\"topic\":\"metrics\",\"partition\":0,\"replicas\":[1,2]},{\"topic\":\"metrics\",\"partition\":1,\"replicas\":[2,3]},}");
{code}
The returned partitionsToBeReassigned is empty.

The parser should give better error message for malformed JSON string.



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