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https://issues.apache.org/jira/browse/BEAM-3140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17546666#comment-17546666
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Kenneth Knowles commented on BEAM-3140:
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This issue has been migrated to https://github.com/apache/beam/issues/18512
> 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: io-java-gcp
> Reporter: Ted Yu
> Priority: P3
>
> {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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