Hi Eran, We need more details. It sounds like an issue with the ZooKeeper quorum. In other words that it cannot connect to the ZK servers. Often this is then logged during the task failures as it trying to connect to localhost. Could you grab more logs and up them to pastebin or some such?
Lars On Tue, Mar 15, 2011 at 8:11 AM, Eran Kutner <[email protected]> wrote: > No idea anyone? > > -eran > > > > On Wed, Mar 2, 2011 at 16:40, Eran Kutner <[email protected]> wrote: > >> Hi, >> I'm trying to copy data from an older cluster using 0.89 (CDH3b3) to a new >> one using 0.91 (CDH3b4) using the CopyTable MR job but it always hangs on >> "map 0% reduce 0%" until eventually the job is killed by Hadoop for not >> responding after 600 seconds. >> I verified that it works fine when copying from one table to another on the >> same cluster and I verified that the servers in the source cluster have >> network access to those in the destination cluster. >> >> Any idea what could be causing it? >> >> -eran >> >> >
