[jira] [Created] (BEAM-3140) Unchecked return value from bis.read() in MutationGroupEncoder#decodeMutation

[Ted Yu (JIRA)]

Ted Yu created BEAM-3140:
----------------------------

             Summary: Unchecked return value from bis.read() in 
MutationGroupEncoder#decodeMutation
                 Key: BEAM-3140
                 URL: https://issues.apache.org/jira/browse/BEAM-3140
             Project: Beam
          Issue Type: Bug
          Components: sdk-java-gcp
            Reporter: Ted Yu
            Assignee: Chamikara Jayalath
            Priority: Minor


{code}
  private Mutation decodeMutation(ByteArrayInputStream bis) throws IOException {
    Mutation.Op op = Mutation.Op.values()[bis.read()];
    if (op == Mutation.Op.DELETE) {
      return decodeDelete(bis);
{code}
The return value from bis.read() should be checked before it is used to 
dereference values().



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