Details
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Bug
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Status: Closed
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Major
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Resolution: Not A Problem
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1.2.0
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None
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None
Description
Sometimes it will throws exception as below. why can't I add column? no one are altering the table...
scala> carbon.sql("alter table temp.yuhai_carbon add columns(test1 string)") 17/06/11 22:09:13 AUDIT [org.apache.spark.sql.execution.command.AlterTableAddColumns(207) -- main]: [sh-hadoop-datanode-250-104.elenet.me][master][Thread-1]Alter table add columns request has been received for temp.yuhai_carbon 17/06/11 22:10:22 ERROR [org.apache.spark.scheduler.TaskSetManager(70) -- task-result-getter-3]: Task 0 in stage 0.0 failed 4 times; aborting job 17/06/11 22:10:22 ERROR [org.apache.spark.sql.execution.command.AlterTableAddColumns(141) -- main]: main Alter table add columns failed :Job aborted due to stage failure: Task 0 in stage 0.0 failed 4 times, most recent failure: Lost task 0.3 in stage 0.0 (TID 3, sh-hadoop-datanode-368.elenet.me, executor 7): java.lang.RuntimeException: Dictionary file test1 is locked for updation. Please try after some time at scala.sys.package$.error(package.scala:27) at org.apache.carbondata.spark.util.GlobalDictionaryUtil$.loadDefaultDictionaryValueForNewColumn(GlobalDictionaryUtil.scala:857) at org.apache.carbondata.spark.rdd.AlterTableAddColumnRDD$$anon$1.<init>(AlterTableAddColumnRDD.scala:83) at org.apache.carbondata.spark.rdd.AlterTableAddColumnRDD.compute(AlterTableAddColumnRDD.scala:68) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:331) at org.apache.spark.rdd.RDD.iterator(RDD.scala:295) at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:88) at org.apache.spark.scheduler.Task.run(Task.scala:104) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:351) 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:745)