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Ruben Hernando commented on SPARK-15822: ---------------------------------------- {quote} == Parsed Logical Plan == 'Project [*] +- 'UnresolvedRelation `COEQ_63` == Analyzed Logical Plan == InstanceId: bigint, price: double, ZoneId: int, priceItemId: int, priceId: int Project [InstanceId#20236L, price#20237, ZoneId#20239, priceItemId#20242, priceId#20244] +- SubqueryAlias coeq_63 +- Project [_TableSL_SID#143L AS InstanceId#20236L, SL_RD_ColR_N#189 AS price#20237, 24 AS ZoneId#20239, 6 AS priceItemId#20242, 63 AS priceId#20244] +- SubqueryAlias 6__input +- Relation[_TableSL_SID#143L,_TableP_DC_SID#144L,_TableSH_SID#145L,ID#146,Name#147,TableP_DCID#148,TableSHID#149,SL_ACT_GI_DTE#150,SL_Xcl_C#151,SL_Xcl_C#152,SL_Css_Cojs#153L,SL_Config#154,SL_CREATEDON# .......... 36 more fields] JDBCRelation((select [SLTables].[_TableSL_SID], [SLTables]. ... [...] FROM [sch].[SLTables] [SLTables] JOIN sch.TPSLTables TPSLTables ON [TPSLTables].[_TableSL_SID] = [SLTables].[_TableSL_SID] where _TP = 24) input) == Optimized Logical Plan == Project [_TableSL_SID#143L AS InstanceId#20236L, SL_RD_ColR_N#189 AS price#20237, 24 AS ZoneId#20239, 6 AS priceItemId#20242, 63 AS priceId#20244] +- InMemoryRelation [_TableSL_SID#143L, _TableP_DC_SID#144L, _TableSH_SID#145L, ID#146, Name#147, ... 36 more fields], true, 10000, StorageLevel(disk, memory, deserialized, 1 replicas) : +- *Scan JDBCRelation((select [SLTables].[_TableSL_SID], [SLTables].[_TableP_DC_SID], [SLTables].[_TableSH_SID], [SLTables].[ID], [SLTables].[Name], [SLTables].[TableP_DCID], [SLTables].[TableSHID], [TPSLTables].[SL_ACT_GI_DTE], ... [...] FROM [sch].[SLTables] [SLTables] JOIN sch.TPSLTables TPSLTables ON [TPSLTables].[_TableSL_SID] = [SLTables].[_TableSL_SID] where _TP = 24) input) [_TableSL_SID#143L,_TableP_DC_SID#144L,_TableSH_SID#145L,ID#146,Name#147,TableP_DCID#148,TableSHID#149,SL_ACT_GI_DTE#150,SL_Xcl_C#151,... 36 more fields] == Physical Plan == *Project [_TableSL_SID#143L AS InstanceId#20236L, SL_RD_ColR_N#189 AS price#20237, 24 AS ZoneId#20239, 6 AS priceItemId#20242, 63 AS priceId#20244] +- InMemoryTableScan [_TableSL_SID#143L, SL_RD_ColR_N#189] : +- InMemoryRelation [_TableSL_SID#143L, _TableP_DC_SID#144L, _TableSH_SID#145L, ID#146, Name#147, ... 36 more fields], true, 10000, StorageLevel(disk, memory, deserialized, 1 replicas) : : +- *Scan JDBCRelation((select [SLTables].[_TableSL_SID], [SLTables].[_TableP_DC_SID], [SLTables].[_TableSH_SID], [SLTables].[ID], [SLTables].[Name], [SLTables].[TableP_DCID], ... [...] FROM [sch].[SLTables] [SLTables] JOIN sch.TPSLTables TPSLTables ON [TPSLTables].[_TableSL_SID] = [SLTables].[_TableSL_SID] where _TP = 24) input) [_TableSL_SID#143L,_TableP_DC_SID#144L,_TableSH_SID#145L,ID#146,Name#147,,... 36 more fields] {quote} > segmentation violation in o.a.s.unsafe.types.UTF8String > -------------------------------------------------------- > > Key: SPARK-15822 > URL: https://issues.apache.org/jira/browse/SPARK-15822 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 2.0.0 > Environment: linux amd64 > openjdk version "1.8.0_91" > OpenJDK Runtime Environment (build 1.8.0_91-b14) > OpenJDK 64-Bit Server VM (build 25.91-b14, mixed mode) > Reporter: Pete Robbins > Assignee: Herman van Hovell > Priority: Blocker > Fix For: 2.0.0 > > > Executors fail with segmentation violation while running application with > spark.memory.offHeap.enabled true > spark.memory.offHeap.size 512m > Also now reproduced with > spark.memory.offHeap.enabled false > {noformat} > # > # A fatal error has been detected by the Java Runtime Environment: > # > # SIGSEGV (0xb) at pc=0x00007f4559b4d4bd, pid=14182, tid=139935319750400 > # > # JRE version: OpenJDK Runtime Environment (8.0_91-b14) (build 1.8.0_91-b14) > # Java VM: OpenJDK 64-Bit Server VM (25.91-b14 mixed mode linux-amd64 > compressed oops) > # Problematic frame: > # J 4816 C2 > org.apache.spark.unsafe.types.UTF8String.compareTo(Lorg/apache/spark/unsafe/types/UTF8String;)I > (64 bytes) @ 0x00007f4559b4d4bd [0x00007f4559b4d460+0x5d] > {noformat} > We initially saw this on IBM java on PowerPC box but is recreatable on linux > with OpenJDK. On linux with IBM Java 8 we see a null pointer exception at the > same code point: > {noformat} > 16/06/08 11:14:58 ERROR Executor: Exception in task 1.0 in stage 5.0 (TID 48) > java.lang.NullPointerException > at > org.apache.spark.unsafe.types.UTF8String.compareTo(UTF8String.java:831) > at org.apache.spark.unsafe.types.UTF8String.compare(UTF8String.java:844) > at > org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIterator.findNextInnerJoinRows$(Unknown > Source) > at > org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIterator.processNext(Unknown > Source) > at > org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43) > at > org.apache.spark.sql.execution.WholeStageCodegenExec$$anonfun$doExecute$2$$anon$2.hasNext(WholeStageCodegenExec.scala:377) > at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408) > at > scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:30) > at org.spark_project.guava.collect.Ordering.leastOf(Ordering.java:664) > at org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37) > at > org.apache.spark.rdd.RDD$$anonfun$takeOrdered$1$$anonfun$30.apply(RDD.scala:1365) > at > org.apache.spark.rdd.RDD$$anonfun$takeOrdered$1$$anonfun$30.apply(RDD.scala:1362) > at > org.apache.spark.rdd.RDD$$anonfun$mapPartitions$1$$anonfun$apply$23.apply(RDD.scala:757) > at > org.apache.spark.rdd.RDD$$anonfun$mapPartitions$1$$anonfun$apply$23.apply(RDD.scala:757) > at > org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38) > at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:318) > at org.apache.spark.rdd.RDD.iterator(RDD.scala:282) > at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:70) > at org.apache.spark.scheduler.Task.run(Task.scala:85) > at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:274) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1153) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) > at java.lang.Thread.run(Thread.java:785) > {noformat} -- 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