That's exactly the problem. You should mark Spark as a provided dependency only, and must declare your direct dependency on the correct version of hadoop-client. On Dec 20, 2014 12:04 AM, "Haopu Wang" <hw...@qilinsoft.com> wrote:
> My application doesn’t depends on hadoop-client directly. > > It only depends on spark-core_2.10 which depends on hadoop-client 1.0.4. > This can be checked by Maven repository at > http://mvnrepository.com/artifact/org.apache.spark/spark-core_2.10/1.1.0 > > > > That’s strange and how to workaround the issue? Thanks for any suggestions. > > > ------------------------------ > > *From:* Raghavendra Pandey [mailto:raghavendra.pan...@gmail.com] > *Sent:* Saturday, December 20, 2014 12:08 AM > *To:* Sean Owen; Haopu Wang > *Cc:* user@spark.apache.org > *Subject:* Re: Can Spark 1.1.0 save checkpoint to HDFS 2.5.1? > > > > It seems there is hadoop 1 somewhere in the path. > > On Fri, Dec 19, 2014, 21:24 Sean Owen <so...@cloudera.com> wrote: > > Yes, but your error indicates that your application is actually using > Hadoop 1.x of some kind. Check your dependencies, especially > hadoop-client. > > On Fri, Dec 19, 2014 at 2:11 PM, Haopu Wang <hw...@qilinsoft.com> wrote: > > I’m using Spark 1.1.0 built for HDFS 2.4. > > > > My application enables check-point (to HDFS 2.5.1) and it can build. But > > when I run it, I get below error: > > > > > > > > Exception in thread "main" org.apache.hadoop.ipc.RemoteException: Server > IPC > > version 9 cannot communicate with client version 4 > > > > at org.apache.hadoop.ipc.Client.call(Client.java:1070) > > > > at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:225) > > > > at com.sun.proxy.$Proxy6.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 > > > org.apache.spark.streaming.StreamingContext.checkpoint(StreamingContext.scala:201) > > > > > > > > Does that mean I have to use HDFS 2.4 to save check-point? Thank you! > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@spark.apache.org > For additional commands, e-mail: user-h...@spark.apache.org >