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Posted to issues@spark.apache.org by "Grzegorz Dubicki (JIRA)" <ji...@apache.org> on 2015/06/03 15:24:38 UTC

[jira] [Commented] (SPARK-3185) SPARK launch on Hadoop 2 in EC2 throws Tachyon exception when Formatting JOURNAL_FOLDER

    [ https://issues.apache.org/jira/browse/SPARK-3185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14570794#comment-14570794 ] 

Grzegorz Dubicki commented on SPARK-3185:
-----------------------------------------

Why was this issue closed? It IS a problem, I have just been bitten by it (again)..

> SPARK launch on Hadoop 2 in EC2 throws Tachyon exception when Formatting JOURNAL_FOLDER
> ---------------------------------------------------------------------------------------
>
>                 Key: SPARK-3185
>                 URL: https://issues.apache.org/jira/browse/SPARK-3185
>             Project: Spark
>          Issue Type: Bug
>          Components: EC2
>    Affects Versions: 1.0.2
>         Environment: Amazon Linux AMI
> [ec2-user@ip-172-30-1-145 ~]$ uname -a
> Linux ip-172-30-1-145 3.10.42-52.145.amzn1.x86_64 #1 SMP Tue Jun 10 23:46:43 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
> https://aws.amazon.com/amazon-linux-ami/2014.03-release-notes/
> The build I used (and MD5 verified):
> [ec2-user@ip-172-30-1-145 ~]$ wget http://supergsego.com/apache/spark/spark-1.0.2/spark-1.0.2-bin-hadoop2.tgz
>            Reporter: Jeremy Chambers
>
> {code}
> org.apache.hadoop.ipc.RemoteException: Server IPC version 7 cannot communicate with client version 4
> {code}
> When I launch SPARK 1.0.2 on Hadoop 2 in a new EC2 cluster, the above tachyon exception is thrown when "Formatting JOURNAL_FOLDER".
> No exception occurs when I launch on Hadoop 1.
> Launch used:
> {code}
> ./spark-ec2 -k spark_cluster -i /home/ec2-user/kagi/spark_cluster.ppk --zone=us-east-1a --hadoop-major-version=2 --spot-price=0.0165 -s 3 launch sparkProd
> {code}
> {code}
> ----log snippet----
> Formatting Tachyon Master @ ec2-54-80-49-244.compute-1.amazonaws.com
> Formatting JOURNAL_FOLDER: /root/tachyon/libexec/../journal/
> Exception in thread "main" java.lang.RuntimeException: org.apache.hadoop.ipc.RemoteException: Server IPC version 7 cannot communicate with client version 4
>         at tachyon.util.CommonUtils.runtimeException(CommonUtils.java:246)
>         at tachyon.UnderFileSystemHdfs.<init>(UnderFileSystemHdfs.java:73)
>         at tachyon.UnderFileSystemHdfs.getClient(UnderFileSystemHdfs.java:53)
>         at tachyon.UnderFileSystem.get(UnderFileSystem.java:53)
>         at tachyon.Format.main(Format.java:54)
> Caused by: org.apache.hadoop.ipc.RemoteException: Server IPC version 7 cannot communicate with client version 4
>         at org.apache.hadoop.ipc.Client.call(Client.java:1070)
>         at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:225)
>         at com.sun.proxy.$Proxy1.getProtocolVersion(Unknown Source)
>         at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:396)
>         at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:379)
>         at org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:119)
>         at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:238)
>         at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:203)
>         at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:89)
>         at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1386)
>         at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:66)
>         at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1404)
>         at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:254)
>         at org.apache.hadoop.fs.Path.getFileSystem(Path.java:187)
>         at tachyon.UnderFileSystemHdfs.<init>(UnderFileSystemHdfs.java:69)
>         ... 3 more
> Killed 0 processes
> Killed 0 processes
> ec2-54-167-219-159.compute-1.amazonaws.com: Killed 0 processes
> ec2-54-198-198-17.compute-1.amazonaws.com: Killed 0 processes
> ec2-54-166-36-0.compute-1.amazonaws.com: Killed 0 processes
> ---end snippet---
> {code}
> *I don't have this problem when I launch without the "--hadoop-major-version=2" (which defaults to Hadoop 1.x).*



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