Vinay Shukla created ZEPPELIN-2536: -------------------------------------- Summary: Intermitten Classloading error running SQL in Zeppelin Key: ZEPPELIN-2536 URL: https://issues.apache.org/jira/browse/ZEPPELIN-2536 Project: Zeppelin Issue Type: Bug Reporter: Vinay Shukla
This error happens sometimes when I run a sql paragrpah with SparkSQL via native Spark interpreter. The error goes away on the next run but shows up again randomly. Reproduced with Zeppelin version 0.7.1 java.lang.NoSuchMethodException: org.apache.spark.io.LZ4CompressionCodec.<init>(org.apache.spark.SparkConf) at java.lang.Class.getConstructor0(Class.java:3082) at java.lang.Class.getConstructor(Class.java:1825) at org.apache.spark.io.CompressionCodec$.createCodec(CompressionCodec.scala:71) at org.apache.spark.io.CompressionCodec$.createCodec(CompressionCodec.scala:65) at org.apache.spark.sql.execution.SparkPlan.org$apache$spark$sql$execution$SparkPlan$$decodeUnsafeRows(SparkPlan.scala:250) at org.apache.spark.sql.execution.SparkPlan$$anonfun$executeTake$1.apply(SparkPlan.scala:336) at org.apache.spark.sql.execution.SparkPlan$$anonfun$executeTake$1.apply(SparkPlan.scala:336) at scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:241) at scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:241) at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33) at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186) at scala.collection.TraversableLike$class.flatMap(TraversableLike.scala:241) at scala.collection.mutable.ArrayOps$ofRef.flatMap(ArrayOps.scala:186) at org.apache.spark.sql.execution.SparkPlan.executeTake(SparkPlan.scala:336) at org.apache.spark.sql.execution.CollectLimitExec.executeCollect(limit.scala:38) at org.apache.spark.sql.Dataset$$anonfun$org$apache$spark$sql$Dataset$$execute$1$1.apply(Dataset.scala:2371) at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:57) at org.apache.spark.sql.Dataset.withNewExecutionId(Dataset.scala:2765) at org.apache.spark.sql.Dataset.org$apache$spark$sql$Dataset$$execute$1(Dataset.scala:2370) at org.apache.spark.sql.Dataset.org$apache$spark$sql$Dataset$$collect(Dataset.scala:2377) at org.apache.spark.sql.Dataset$$anonfun$head$1.apply(Dataset.scala:2113) at org.apache.spark.sql.Dataset$$anonfun$head$1.apply(Dataset.scala:2112) at org.apache.spark.sql.Dataset.withTypedCallback(Dataset.scala:2795) at org.apache.spark.sql.Dataset.head(Dataset.scala:2112) at org.apache.spark.sql.Dataset.take(Dataset.scala:2327) at sun.reflect.GeneratedMethodAccessor106.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.zeppelin.spark.ZeppelinContext.showDF(ZeppelinContext.java:235) at org.apache.zeppelin.spark.SparkSqlInterpreter.interpret(SparkSqlInterpreter.java:130) at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:95) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:490) at org.apache.zeppelin.scheduler.Job.run(Job.java:175) at org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:139) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) ERROR -- This message was sent by Atlassian JIRA (v6.3.15#6346)