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From Jay Booth <jaybo...@gmail.com>
Subject Re: Question: how to run hadoop after the project split?
Date Tue, 11 Aug 2009 01:24:02 GMT
Yeah, I'm hitting the same issues, the patch problems weren't really an
issue (same line for same line conflict on my checkout), but not having the
webapp's sort of a pain.

Looks like ant bin-package puts the webapps dir in
HDFS_HOME/build/hadoop-hdfs-0.21.0-dev/webapps, while the daemon's expecting
build/webapps/hdfs.  Anyone know off the top of their heads where this is
specified, or have a recommended solution?  Otherwise I can hack away.

On Mon, Aug 10, 2009 at 8:59 PM, Tsz Wo (Nicholas), Sze <
s29752-hadoopdev@yahoo.com> wrote:

> Hi Todd,
>
> Two problems:
> - The patch in HADOOP-6152 cannot be applied.
>
> - I have tried an approach similar to the one described by the slides but
> it did not work since jetty cannot find the webapps directory.  See below:
> 2009-08-10 17:54:41,671 WARN org.mortbay.log: Web application not found
> file:/D:/@sze/hadoop/common/c2/build/webapps/hdfs
> 2009-08-10 17:54:41,671 WARN org.mortbay.log: Failed startup of context
> org.mortbay.jetty.webapp.WebAppContext@1884a40
> {/,file:/D:/@sze/hadoop/common/c2/build/webapps/hdfs}
> java.io.FileNotFoundException:
> file:/D:/@sze/hadoop/common/c2/build/webapps/hdfs
>    at
> org.mortbay.jetty.webapp.WebAppContext.resolveWebApp(WebAppContext.java:959)
>    at
> org.mortbay.jetty.webapp.WebAppContext.getWebInf(WebAppContext.java:793)
>    at
> org.mortbay.jetty.webapp.WebInfConfiguration.configureClassLoader(WebInfConfiguration.java:62)
>    at
> org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:456)
>    at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>    at
> org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
>    at
> org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156)
>    at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>    at
> org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
>    at org.mortbay.jetty.Server.doStart(Server.java:222)
>    at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>    at org.apache.hadoop.http.HttpServer.start(HttpServer.java:464)
>    at
> org.apache.hadoop.hdfs.server.namenode.NameNode.startHttpServer(NameNode.java:362)
>    at
> org.apache.hadoop.hdfs.server.namenode.NameNode.activate(NameNode.java:309)
>    at
> org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:300)
>    at
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:405)
>    at
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:399)
>    at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1165)
>    at
> org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1174)
>
> Thanks,
> Nicholas
>
>
>
>
> ----- Original Message ----
> > From: Todd Lipcon <todd@cloudera.com>
> > To: common-dev@hadoop.apache.org
> > Cc: hdfs-dev@hadoop.apache.org; mapreduce-dev@hadoop.apache.org
> > Sent: Monday, August 10, 2009 5:30:52 PM
> > Subject: Re: Question: how to run hadoop after the project split?
> >
> > Hey Nicholas,
> >
> > Aaron gave a presentation with his best guess at the HUG last month. His
> > slides are here:
> http://www.cloudera.com/blog/2009/07/17/the-project-split/
> > (starting at slide 16)
> > (I'd let him reply himself, but he's out of the office this afternoon ;-)
> )
> >
> > Hopefully we'll get towards something better soon :-/
> >
> > -Todd
> >
> > On Mon, Aug 10, 2009 at 5:25 PM, Tsz Wo (Nicholas), Sze <
> > s29752-hadoopdev@yahoo.com> wrote:
> >
> > > I have to admit that I don't know the official answer.  The hack below
> > > seems working:
> > > - compile all 3 sub-projects;
> > > - copy everything in hdfs/build and mapreduce/build to common/build;
> > > - then run hadoop by the scripts in common/bin as before.
> > >
> > > Any better idea?
> > >
> > > Nicholas Sze
> > >
> > >
>
>
>

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