The message means it can not connect to ResourceManager. Could you share your configuration ? It might be easier to figure out the real issue.
Thanks Xuan Gong On Wed, Mar 5, 2014 at 11:29 AM, Sai Prasanna <ansaiprasa...@gmail.com>wrote: > Hi, > > I have a five node cluster. One master and 4 slaves. Infact master also > has a data node running. When ever app master is launched in the master > node, simple wordcount program runs fine. But if it is launched in some > slave nodes, the progress of the application gets hung. > The problem is, though i have set the yarn.resourcemanager.hostname to the > ip-address of the master, the slave connects only to the default, > 0.0.0.0:8030. > What could be the reason ??? > > I get the following message in the logs of app.master in web-UI. > *"...Configuration: job.xml:an attempt to override final parameter: > mapreduce.job.end-notification.max.retry.interval; Ignoring.* > > > *2014-03-05 20:15:50,597 WARN [main] org.apache.hadoop.conf.Configuration: > job.xml:an attempt to override final parameter: > mapreduce.job.end-notification.max.attempts; Ignoring. 2014-03-05 > 20:15:50,603 INFO [main] org.apache.hadoop.yarn.client.RMProxy: Connecting > to ResourceManager at /0.0.0.0:8030 <http://0.0.0.0:8030>2014-03-05 > 20:15:56,632 INFO [main] org.apache.hadoop.ipc.Client: Retrying connect to > server: 0.0.0.0/0.0.0.0:8030 <http://0.0.0.0/0.0.0.0:8030>. Already tried 0 > time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, > sleepTime=1000 MILLISECONDS)"* > > > -- > *Sai Prasanna. AN* > *II M.Tech (CS), SSSIHL* > > > *Entire water in the ocean can never sink a ship, Unless it gets inside. > All the pressures of life can never hurt you, Unless you let them in.* > -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You.
