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Josh Rosen commented on SPARK-3630: ----------------------------------- Hi [~gfeher], This is very helpful information. The fact that {{snappy-java}} can be unexpectedly downgraded in real deployments suggests to me that Spark should depend on its own shaded / relocated / renamed version of {{snappy-java}} in order to avoid this class of problem. > Identify cause of Kryo+Snappy PARSING_ERROR > ------------------------------------------- > > Key: SPARK-3630 > URL: https://issues.apache.org/jira/browse/SPARK-3630 > Project: Spark > Issue Type: Task > Components: Spark Core > Affects Versions: 1.1.0, 1.2.0 > Reporter: Andrew Ash > Assignee: Josh Rosen > > A recent GraphX commit caused non-deterministic exceptions in unit tests so > it was reverted (see SPARK-3400). > Separately, [~aash] observed the same exception stacktrace in an > application-specific Kryo registrator: > {noformat} > com.esotericsoftware.kryo.KryoException: java.io.IOException: failed to > uncompress the chunk: PARSING_ERROR(2) > com.esotericsoftware.kryo.io.Input.fill(Input.java:142) > com.esotericsoftware.kryo.io.Input.require(Input.java:169) > com.esotericsoftware.kryo.io.Input.readInt(Input.java:325) > com.esotericsoftware.kryo.io.Input.readFloat(Input.java:624) > com.esotericsoftware.kryo.serializers.DefaultSerializers$FloatSerializer.read(DefaultSerializers.java:127) > > com.esotericsoftware.kryo.serializers.DefaultSerializers$FloatSerializer.read(DefaultSerializers.java:117) > > com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:732) > com.esotericsoftware.kryo.serializers.CollectionSerializer.read(CollectionSerializer.java:109) > > com.esotericsoftware.kryo.serializers.CollectionSerializer.read(CollectionSerializer.java:18) > > com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:732) > ... > {noformat} > This ticket is to identify the cause of the exception in the GraphX commit so > the faulty commit can be fixed and merged back into master. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org