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From Michael Armbrust <mich...@databricks.com>
Subject Re: SparkSQL exception on spark.sql.codegen
Date Tue, 18 Nov 2014 19:45:32 GMT
Those are probably related.  It looks like we are somehow not being thread
safe when initializing various parts of the scala compiler.

Since code gen is pretty experimental we probably won't have the resources
to investigate backporting a fix.  However, if you can reproduce the
problem in Spark 1.2 then please file a JIRA.

On Mon, Nov 17, 2014 at 9:37 PM, Eric Zhen <zhpeng.is@gmail.com> wrote:

> Yes, it's always appears on a part of the whole tasks in a stage(i.e. 100/100
> (65 failed)), and sometimes cause the stage to fail.
>
> And there is another error that I'm not sure if there is a correlation.
>
> java.lang.NoClassDefFoundError: Could not initialize class
> org.apache.spark.sql.catalyst.expressions.codegen.GeneratePredicate$
>         at
> org.apache.spark.sql.execution.SparkPlan.newPredicate(SparkPlan.scala:114)
>         at
> org.apache.spark.sql.execution.Filter.conditionEvaluator$lzycompute(basicOperators.scala:55)
>         at
> org.apache.spark.sql.execution.Filter.conditionEvaluator(basicOperators.scala:55)
>         at
> org.apache.spark.sql.execution.Filter$$anonfun$2.apply(basicOperators.scala:58)
>         at
> org.apache.spark.sql.execution.Filter$$anonfun$2.apply(basicOperators.scala:57)
>         at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:596)
>         at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:596)
>         at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35)
>         at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
>         at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
>         at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35)
>         at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
>         at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
>         at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35)
>         at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
>         at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
>         at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68)
>         at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
>         at org.apache.spark.scheduler.Task.run(Task.scala:54)
>         at
> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:178)
>         at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:744)
>
> On Tue, Nov 18, 2014 at 11:41 AM, Michael Armbrust <michael@databricks.com
> > wrote:
>
>> Interesting, I believe we have run that query with version 1.1.0 with
>> codegen turned on and not much has changed there.  Is the error
>> deterministic?
>>
>> On Mon, Nov 17, 2014 at 7:04 PM, Eric Zhen <zhpeng.is@gmail.com> wrote:
>>
>>> Hi Michael,
>>>
>>> We use Spark v1.1.1-rc1 with jdk 1.7.0_51 and scala 2.10.4.
>>>
>>> On Tue, Nov 18, 2014 at 7:09 AM, Michael Armbrust <
>>> michael@databricks.com> wrote:
>>>
>>>> What version of Spark SQL?
>>>>
>>>> On Sat, Nov 15, 2014 at 10:25 PM, Eric Zhen <zhpeng.is@gmail.com>
>>>> wrote:
>>>>
>>>>> Hi all,
>>>>>
>>>>> We run SparkSQL on TPCDS benchmark Q19 with  spark.sql.codegen=true,
>>>>> we got exceptions as below, has anyone else saw these before?
>>>>>
>>>>> java.lang.ExceptionInInitializerError
>>>>>         at
>>>>> org.apache.spark.sql.execution.SparkPlan.newProjection(SparkPlan.scala:92)
>>>>>         at
>>>>> org.apache.spark.sql.execution.Exchange$$anonfun$execute$1$$anonfun$1.apply(Exchange.scala:51)
>>>>>         at
>>>>> org.apache.spark.sql.execution.Exchange$$anonfun$execute$1$$anonfun$1.apply(Exchange.scala:48)
>>>>>         at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:596)
>>>>>         at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:596)
>>>>>         at
>>>>> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35)
>>>>>         at
>>>>> org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
>>>>>         at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
>>>>>         at
>>>>> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68)
>>>>>         at
>>>>> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
>>>>>         at org.apache.spark.scheduler.Task.run(Task.scala:54)
>>>>>         at
>>>>> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:178)
>>>>>         at
>>>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>>>>         at
>>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>>>>         at java.lang.Thread.run(Thread.java:744)
>>>>> Caused by: java.lang.NullPointerException
>>>>>         at
>>>>> scala.reflect.internal.Types$TypeRef.computeHashCode(Types.scala:2358)
>>>>>         at
>>>>> scala.reflect.internal.Types$UniqueType.<init>(Types.scala:1304)
>>>>>         at
>>>>> scala.reflect.internal.Types$TypeRef.<init>(Types.scala:2341)
>>>>>         at
>>>>> scala.reflect.internal.Types$NoArgsTypeRef.<init>(Types.scala:2137)
>>>>>         at
>>>>> scala.reflect.internal.Types$TypeRef$$anon$6.<init>(Types.scala:2544)
>>>>>         at
>>>>> scala.reflect.internal.Types$TypeRef$.apply(Types.scala:2544)
>>>>>         at scala.reflect.internal.Types$class.typeRef(Types.scala:3615)
>>>>>         at
>>>>> scala.reflect.internal.SymbolTable.typeRef(SymbolTable.scala:13)
>>>>>         at
>>>>> scala.reflect.internal.Symbols$TypeSymbol.newTypeRef(Symbols.scala:2752)
>>>>>         at
>>>>> scala.reflect.internal.Symbols$TypeSymbol.typeConstructor(Symbols.scala:2806)
>>>>>         at
>>>>> scala.reflect.internal.Symbols$SymbolContextApiImpl.toTypeConstructor(Symbols.scala:103)
>>>>>         at
>>>>> scala.reflect.internal.Symbols$TypeSymbol.toTypeConstructor(Symbols.scala:2698)
>>>>>         at
>>>>> org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator$$typecreator1$1.apply(CodeGenerator.scala:46)
>>>>>         at
>>>>> scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe$lzycompute(TypeTags.scala:231)
>>>>>         at
>>>>> scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe(TypeTags.scala:231)
>>>>>         at scala.reflect.api.TypeTags$class.typeOf(TypeTags.scala:335)
>>>>>         at scala.reflect.api.Universe.typeOf(Universe.scala:59)
>>>>>         at
>>>>> org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator.<init>(CodeGenerator.scala:46)
>>>>>         at
>>>>> org.apache.spark.sql.catalyst.expressions.codegen.GenerateProjection$.<init>(GenerateProjection.scala:29)
>>>>>         at
>>>>> org.apache.spark.sql.catalyst.expressions.codegen.GenerateProjection$.<clinit>(GenerateProjection.scala)
>>>>>         ... 15 more
>>>>> --
>>>>> Best Regards
>>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Best Regards
>>>
>>
>>
>
>
> --
> Best Regards
>

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