[jira] [Created] (FLINK-25446) Avoid sanity check on read bytes on DataInputStream#read(byte[])

["Yun Tang (Jira)" <ji...@apache.org>]

Yun Tang created FLINK-25446:
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             Summary: Avoid sanity check on read bytes on DataInputStream#read(byte[])
                 Key: FLINK-25446
                 URL: https://issues.apache.org/jira/browse/FLINK-25446
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Checkpointing, Runtime / State Backends
    Affects Versions: 1.14.2
            Reporter: Yun Tang
            Assignee: Yun Tang
             Fix For: 1.15.0, 1.14.3


Current changelog related code would check the number of read bytes whether equal to target bytes:

{code:java}
checkState(size == input.read(bytes));
{code}

However, this is not correct as the java doc said: {{"An attempt is made to read as many as len bytes, but a smaller number may be read, possibly zero."}}




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