Hi Zhan, Thanks for the point. Yes I'm using a cluster with spark-1.4.0 and it looks like this is most likely the reason. I'll verify this again once the we make the upgrade.
Best, los On Sun, Aug 23, 2015 at 1:25 PM, Zhan Zhang <zzh...@hortonworks.com> wrote: > If you are using spark-1.4.0, probably it is caused by SPARK-8458 > <https://issues.apache.org/jira/browse/SPARK-8458> > > Thanks. > > Zhan Zhang > > On Aug 23, 2015, at 12:49 PM, lostrain A <donotlikeworkingh...@gmail.com> > wrote: > > Ted, > Thanks for the suggestions. Actually I tried both s3n and s3 and the > result remains the same. > > > On Sun, Aug 23, 2015 at 12:27 PM, Ted Yu <yuzhih...@gmail.com> wrote: > >> In your case, I would specify "fs.s3.awsAccessKeyId" / >> "fs.s3.awsSecretAccessKey" since you use s3 protocol. >> >> On Sun, Aug 23, 2015 at 11:03 AM, lostrain A < >> donotlikeworkingh...@gmail.com> wrote: >> >>> Hi Ted, >>> Thanks for the reply. I tried setting both of the keyid and accesskey >>> via >>> >>> sc.hadoopConfiguration.set("fs.s3n.awsAccessKeyId", "***") >>>> sc.hadoopConfiguration.set("fs.s3n.awsSecretAccessKey", "**") >>> >>> >>> However, the error still occurs for ORC format. >>> >>> If I change the format to JSON, although the error does not go, the JSON >>> files can be saved successfully. >>> >>> >>> >>> >>> On Sun, Aug 23, 2015 at 5:51 AM, Ted Yu <yuzhih...@gmail.com> wrote: >>> >>>> You may have seen this: >>>> http://search-hadoop.com/m/q3RTtdSyM52urAyI >>>> >>>> >>>> >>>> On Aug 23, 2015, at 1:01 AM, lostrain A <donotlikeworkingh...@gmail.com> >>>> wrote: >>>> >>>> Hi, >>>> I'm trying to save a simple dataframe to S3 in ORC format. The code >>>> is as follows: >>>> >>>> >>>> val sqlContext = new org.apache.spark.sql.hive.HiveContext(sc) >>>>> import sqlContext.implicits._ >>>>> val df=sc.parallelize(1 to 1000).toDF() >>>>> df.write.format("orc").save("s3://logs/dummy) >>>> >>>> >>>> I ran the above code in spark-shell and only the _SUCCESS file was >>>> saved under the directory. >>>> The last part of the spark-shell log said: >>>> >>>> 15/08/23 07:38:23 task-result-getter-1 INFO TaskSetManager: Finished >>>>> task 95.0 in stage 2.0 (TID 295) in 801 ms on ip-*-*-*-*.ec2.internal >>>>> (100/100) >>>>> >>>> >>>> >>>>> 15/08/23 07:38:23 dag-scheduler-event-loop INFO DAGScheduler: >>>>> ResultStage 2 (save at <console>:29) finished in 0.834 s >>>>> >>>> >>>> >>>>> 15/08/23 07:38:23 task-result-getter-1 INFO YarnScheduler: Removed >>>>> TaskSet 2.0, whose tasks have all completed, from pool >>>>> >>>> >>>> >>>>> 15/08/23 07:38:23 main INFO DAGScheduler: Job 2 finished: save at >>>>> <console>:29, took 0.895912 s >>>>> >>>> >>>> >>>>> 15/08/23 07:38:24 main INFO >>>>> LocalDirAllocator$AllocatorPerContext$DirSelector: Returning directory: >>>>> /media/ephemeral0/s3/output- >>>>> >>>> >>>> >>>>> 15/08/23 07:38:24 main ERROR NativeS3FileSystem: md5Hash for >>>>> dummy/_SUCCESS is [-44, 29, -128, -39, -113, 0, -78, >>>>> 4, -23, -103, 9, -104, -20, -8, 66, 126] >>>>> >>>> >>>> >>>>> 15/08/23 07:38:24 main INFO DefaultWriterContainer: Job job_****_**** >>>>> committed. >>>> >>>> >>>> Anyone has experienced this before? >>>> Thanks! >>>> >>>> >>>> >>> >> > >