Shardul Mahadik created ORC-555:
-----------------------------------
Summary: IllegalArgumentException when reading files written with
older ORC writers in ORC 1.6
Key: ORC-555
URL: https://issues.apache.org/jira/browse/ORC-555
Project: ORC
Issue Type: Bug
Reporter: Shardul Mahadik
I am using {{orc-core::nohive}} to read an ORC file which was generated using
an older version of ORC (probably through Hive 1.1). I am unable to read this
file since ORC 1.6 and am able to read it in 1.5.5.
Code:
{code:java}
final Reader orcReader = OrcFile.createReader(new
Path("/Users/smahadik/orcFailure.orc"),
OrcFile.readerOptions(new Configuration()));
System.out.println(orcReader.getNumberOfRows());
{code}
Stacktrace:
{code:java}
java.io.IOException: Problem reading file footer /Users/smahadik/orcFailure.orc
at org.apache.orc.impl.ReaderImpl.extractFileTail(ReaderImpl.java:716)
at org.apache.orc.impl.ReaderImpl.<init>(ReaderImpl.java:500)
at org.apache.orc.OrcFile.createReader(OrcFile.java:365)
at example.testFileFooterReadFailure(TestOrcMetrics.java:16)
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:50)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at
com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at
com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
at
com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at
com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
Caused by: java.lang.IllegalArgumentException
at java.nio.Buffer.position(Buffer.java:244)
at
org.apache.orc.impl.InStream$CompressedStream.setCurrent(InStream.java:453)
at
org.apache.orc.impl.InStream$CompressedStream.reset(InStream.java:440)
at
org.apache.orc.impl.InStream$CompressedStream.<init>(InStream.java:426)
at org.apache.orc.impl.InStream.create(InStream.java:843)
at org.apache.orc.impl.ReaderImpl.extractFileTail(ReaderImpl.java:706)
... 25 more
{code}
Unfortunately I cannot share the data file for the failure. I am not really
familiar with the ORC codebase so not sure what is actually happening here. I
will try to dig more though if I can find any more information.
Here's what I know so far. The error occurs at
https://github.com/apache/orc/blob/d10142c49fa4d4bdc9d187195a34377f60d486b1/java/core/src/java/org/apache/orc/impl/InStream.java#L453
because the {{compressed}} limit is less than the position it is trying to
set. It is going through this if condition in {{ReaderImpl}} which was changed
recently
https://github.com/apache/orc/blob/d10142c49fa4d4bdc9d187195a34377f60d486b1/java/core/src/java/org/apache/orc/impl/ReaderImpl.java#L691
The extra value is around 3k so the code seems to switch the original buffer of
limit 16k to new buffer of limit 3k. This smaller buffer is passed to
https://github.com/apache/orc/blob/d10142c49fa4d4bdc9d187195a34377f60d486b1/java/core/src/java/org/apache/orc/impl/ReaderImpl.java#L706
and it fails eventually.
Values of some variables at line 706
size = 309950950
readSize = 16384
psLen = 26
psOffset = 309950923
tailSize = 20314
footerSize = 3650
metadataSize = 16637
extra = 3930
buffer = data range [309930636, 309934566), size: 3930 type: array-backed
buffer.next = data range [309934566, 309950950), size: 16384 type: array-backed
stripeStatSize = 0
Does anyone have any insights/intuition about what might be happening and how
we can debug this?
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