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  1. Hive
  2. HIVE-14869

Make ORC Reader resilient to 0 length files

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Invalid
    • Affects Version/s: 2.2.0
    • Fix Version/s: None
    • Component/s: None
    • Labels:
      None
    • Target Version/s:

      Description

      Orc reader will throw IndexOutOfBounds if used directly. Following is the exception

      Caused by: java.lang.IndexOutOfBoundsException
      	at java.nio.Buffer.checkIndex(Buffer.java:540)
      	at java.nio.HeapByteBuffer.get(HeapByteBuffer.java:139)
      	at org.apache.orc.impl.ReaderImpl.extractFileTail(ReaderImpl.java:515)
      	at org.apache.orc.impl.ReaderImpl.<init>(ReaderImpl.java:368)
      	at org.apache.orc.OrcFile.createReader(OrcFile.java:222)
      	at org.apache.orc.TestReader.testReadZeroLengthFile(TestReader.java:57)
      	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      	at java.lang.reflect.Method.invoke(Method.java:498)
      	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
      	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
      	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
      	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
      	at org.junit.internal.runners.statements.ExpectException.evaluate(ExpectException.java:19)
      	... 22 more
      
      

      Input format usually avoids such files but not generating splits but if someone uses the Reader directly on invalid files it should be resilient too. OrcOutputFormat will not create a 0 length so this shouldn't be a problem for files written by Orc itself.

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            • Assignee:
              prasanth_j Prasanth Jayachandran
              Reporter:
              prasanth_j Prasanth Jayachandran
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              Dates

              • Created:
                Updated:
                Resolved: