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https://issues.apache.org/jira/browse/HIVE-16611?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prasanth Jayachandran updated HIVE-16611:
-----------------------------------------
Affects Version/s: (was: 3.0.0)
1.2.1
> Kryo remove field is not working
> --------------------------------
>
> Key: HIVE-16611
> URL: https://issues.apache.org/jira/browse/HIVE-16611
> Project: Hive
> Issue Type: Bug
> Components: Serializers/Deserializers
> Affects Versions: 1.2.1
> Reporter: Prasanth Jayachandran
>
> I have seen some instances where removeField in SerializationUtilities is not
> working
> {code}
> removeField(kryo, Operator.class, "colExprMap");
> removeField(kryo, AbstractOperatorDesc.class, "statistics");
> {code}
> These 2 fields are not expected to be serialized but some stacktraces where
> custom UDFs are involved these fields are observed in the stacktrace.
> {code}
> genericUDF (org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc)
> chidren (org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc)
> colExprMap (org.apache.hadoop.hive.ql.exec.SelectOperator)
> childOperators (org.apache.hadoop.hive.ql.exec.TableScanOperator)
> aliasToWork (org.apache.hadoop.hive.ql.plan.MapWork)
> at
> org.apache.hive.com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:125)
>
> ...(snip)...
> at org.apache.hive.com.esotericsoftware.kryo.Kryo.readObject(Kryo.java:672)
> at
> org.apache.hadoop.hive.ql.exec.Utilities.deserializeObjectByKryo(Utilities.java:1173)
>
> at
> org.apache.hadoop.hive.ql.exec.Utilities.deserializePlan(Utilities.java:1062)
> at
> org.apache.hadoop.hive.ql.exec.Utilities.deserializePlan(Utilities.java:1076)
> {code}
> This needs further investigation.
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