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https://issues.apache.org/jira/browse/PIG-4325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14208917#comment-14208917
]
Rohini Palaniswamy commented on PIG-4325:
-----------------------------------------
+1.
> StackOverflow when spilling InternalCachedBag
> ---------------------------------------------
>
> Key: PIG-4325
> URL: https://issues.apache.org/jira/browse/PIG-4325
> Project: Pig
> Issue Type: Bug
> Components: impl
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.14.0
>
> Attachments: PIG-4325-1.patch
>
>
> See the following stack:
> {code}
> exceptionThrown=java.lang.StackOverflowError
> at java.io.DataOutputStream.flush(DataOutputStream.java:123)
> at
> org.apache.pig.data.InternalCachedBag.addDone(InternalCachedBag.java:121)
> at
> org.apache.pig.data.InternalCachedBag.iterator(InternalCachedBag.java:158)
> at
> org.apache.pig.data.DefaultAbstractBag.hashCode(DefaultAbstractBag.java:363)
> at java.util.WeakHashMap.hash(WeakHashMap.java:365)
> at java.util.WeakHashMap.get(WeakHashMap.java:464)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigHadoopLogger.warn(PigHadoopLogger.java:72)
> at
> org.apache.pig.data.DefaultAbstractBag.incSpillCount(DefaultAbstractBag.java:446)
> at
> org.apache.pig.data.InternalCachedBag.updateSpillRecCounter(InternalCachedBag.java:114)
> at
> org.apache.pig.data.InternalCachedBag.addDone(InternalCachedBag.java:129)
> at
> org.apache.pig.data.InternalCachedBag.iterator(InternalCachedBag.java:158)
> at
> org.apache.pig.data.DefaultAbstractBag.hashCode(DefaultAbstractBag.java:363)
> at java.util.WeakHashMap.hash(WeakHashMap.java:365)
> at java.util.WeakHashMap.get(WeakHashMap.java:464)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigHadoopLogger.warn(PigHadoopLogger.java:72)
> at
> org.apache.pig.data.DefaultAbstractBag.incSpillCount(DefaultAbstractBag.java:446)
> at
> org.apache.pig.data.InternalCachedBag.updateSpillRecCounter(InternalCachedBag.java:114)
> at
> org.apache.pig.data.InternalCachedBag.addDone(InternalCachedBag.java:129)
> at
> org.apache.pig.data.InternalCachedBag.iterator(InternalCachedBag.java:158)
> at
> org.apache.pig.data.DefaultAbstractBag.hashCode(DefaultAbstractBag.java:363)
> at java.util.WeakHashMap.hash(WeakHashMap.java:365)
> at java.util.WeakHashMap.get(WeakHashMap.java:464)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigHadoopLogger.warn(PigHadoopLogger.java:72)
> at
> org.apache.pig.data.DefaultAbstractBag.incSpillCount(DefaultAbstractBag.java:446)
> at
> org.apache.pig.data.InternalCachedBag.updateSpillRecCounter(InternalCachedBag.java:114)
> at
> org.apache.pig.data.InternalCachedBag.addDone(InternalCachedBag.java:129)
> at
> org.apache.pig.data.InternalCachedBag.iterator(InternalCachedBag.java:158)
> at
> org.apache.pig.data.DefaultAbstractBag.hashCode(DefaultAbstractBag.java:363)
> at java.util.WeakHashMap.hash(WeakHashMap.java:365)
> at java.util.WeakHashMap.get(WeakHashMap.java:464)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigHadoopLogger.warn(PigHadoopLogger.java:72)
> at
> org.apache.pig.data.DefaultAbstractBag.incSpillCount(DefaultAbstractBag.java:446)
> at
> org.apache.pig.data.InternalCachedBag.updateSpillRecCounter(InternalCachedBag.java:114)
> at
> org.apache.pig.data.InternalCachedBag.addDone(InternalCachedBag.java:129)
> at
> org.apache.pig.data.InternalCachedBag.iterator(InternalCachedBag.java:158)
> at
> org.apache.pig.data.DefaultAbstractBag.hashCode(DefaultAbstractBag.java:363)
> at java.util.WeakHashMap.hash(WeakHashMap.java:365)
> at java.util.WeakHashMap.get(WeakHashMap.java:464)
> ......
> {code}
> Pig made recursive call in InternalCachedBag.hashCode.
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