Err, obviously switching things out for Ceph rather than Gluster. On Wed, Mar 19, 2014 at 9:18 AM, Noah Watkins <noah.watkins@xxxxxxxxxxx> wrote: > Looks like this is a configuration issue that has popped up with other > 3rd party file systems in Hadoop 2.x with YARN. > > http://mail-archives.apache.org/mod_mbox/hadoop-yarn-dev/201306.mbox/%3C1023550423.3137743.1371825668412.JavaMail.root@xxxxxxxxxx%3E > > Says use this: > > <property> > <name>fs.AbstractFileSystem.glusterfs.impl</name> > <value>org.apache.hadoop.fs.glusterfs.GlusterFS</value> > </property> > > Apparently rather than the `fs.ceph.impl` property in 2.x > > > On Wed, Mar 19, 2014 at 9:06 AM, Gurvinder Singh > <gurvindersinghdahiya@xxxxxxxxx> wrote: >> On 03/19/2014 04:50 PM, Noah Watkins wrote: >>> Since `hadoop -fs ls /` seems to work on your local node, can you >>> verify that (1) it is in fact listing the contents of CephFS, and (2) >>> that on your worker nodes where the error is occuring that the >>> relevant dependencies (naming the Ceph hadoop bindings) are installed >>> and in the classpath? >> 1) yes it is listing the cephfs contents. >> 2) Currently the setup is to start the yarn manager and mapreduce >> history server on the same node and then setup the worker nodes. Yarn >> starts up fine, but the mapreduce history server gives me the error. The >> dependency lib are loaded in the mapreduce history server startup. Here >> is the link to start up message which shows that the libcephfs and >> cephfs-hadoop jar are loaded. >> >> http://pastebin.com/wED7nMMT >> >> I am wondering if this property value is correct >> >> <property> >> <name>fs.ceph.impl</name> >> <value>org.apache.hadoop.fs.ceph.CephFileSystem</value> >> </property> >> >> or should I set it to something for hadoop 2.x I have tried setting it up as >> >> org.apache.hadoop.fs.ceph.CephHadoop2FileSystem, then I get this error as >> >> # hadoop fs -ls / >> -ls: Fatal internal error >> java.lang.RuntimeException: java.lang.NoSuchMethodException: >> org.apache.hadoop.fs.ceph.CephHadoop2FileSystem.<init>() >> at >> org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:131) >> at >> org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2315) >> at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:90) >> at >> org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2350) >> at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2332) >> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:369) >> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:168) >> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:353) >> at org.apache.hadoop.fs.Path.getFileSystem(Path.java:296) >> at >> org.apache.hadoop.fs.shell.PathData.expandAsGlob(PathData.java:325) >> at >> org.apache.hadoop.fs.shell.Command.expandArgument(Command.java:224) >> at >> org.apache.hadoop.fs.shell.Command.expandArguments(Command.java:207) >> at >> org.apache.hadoop.fs.shell.Command.processRawArguments(Command.java:190) >> at org.apache.hadoop.fs.shell.Command.run(Command.java:154) >> at org.apache.hadoop.fs.FsShell.run(FsShell.java:255) >> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) >> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84) >> at org.apache.hadoop.fs.FsShell.main(FsShell.java:308) >> Caused by: java.lang.NoSuchMethodException: >> org.apache.hadoop.fs.ceph.CephHadoop2FileSystem.<init>() >> at java.lang.Class.getConstructor0(Class.java:2800) >> at java.lang.Class.getDeclaredConstructor(Class.java:2043) >> at >> org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:125) >> ... 17 more >> >> Regards, >> Gurvinder >> >>> >>> The error itself looks like a missing dependency, but that exception >>> being thrown might also be tirggered by other problems while loading >>> the bindings. >>> >>> On Wed, Mar 19, 2014 at 8:43 AM, Gurvinder Singh >>> <gurvindersinghdahiya@xxxxxxxxx> wrote: >>>> On 03/19/2014 03:51 PM, Noah Watkins wrote: >>>>> On Wed, Mar 19, 2014 at 4:28 AM, Gurvinder Singh >>>>> <gurvindersinghdahiya@xxxxxxxxx> wrote: >>>>>> Hi, >>>>>> >>>>>> I have ceph 0.72.2 running on debian wheezy with cloudera 5.0 beta 2 >>>>>> hadoop. I have installed the ceph hadoop binding with hadoop 2.x >>>>>> support. I am able to run the command such as >>>>> >>>>> From github.com/noahdesu/cephfs-hadoop patched with the pull request PR#1? >>>>> >>>> Yes. >>>>> Can you paste your core-site.xml? >>>> >>>> Below is the relevant part for ceph conf >>>> >>>> <property> >>>> <name>fs.defaultFS</name> >>>> <value>ceph://xxxxxxxxxxxx:6789/</value> >>>> </property> >>>> >>>> <property> >>>> <name>ceph.conf.file</name> >>>> <value>/etc/ceph/ceph.conf</value> >>>> </property> >>>> >>>> <property> >>>> <name>ceph.auth.id</name> >>>> <value>admin</value> >>>> </property> >>>> >>>> <property> >>>> <name>ceph.auth.keyfile</name> >>>> <value>/etc/hadoop/conf/admin.secret</value> >>>> </property> >>>> >>>> <property> >>>> <name>fs.ceph.impl</name> >>>> <value>org.apache.hadoop.fs.ceph.CephFileSystem</value> >>>> </property> >>>> >>>> >>>>> >>>> >> _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
 |