Hello Jon, I have the following yarn-site.xml :
<configuration> <!-- Site specific YARN configuration properties --> <property> <name>yarn.acl.enable</name> <value>0</value> </property> <property> <name>yarn.resourcemanager.hostname</name> <value>hadoopresourcemanager</value> </property> <property> <name>yarn.nodemanager,aux-services</name> <value>mapreduce_shuffle</value> </property> <property> <name>yarn.nodemanager.resource.memory-mb</name> <value>1536</value> </property> <property> <name>yarn.scheduler.maximum-allocation-mb</name> <value>1536</value> </property> <property> <name>yarn.scheduler.minimum-allocation-mb</name> <value>128</value> </property> <property> <name>yarn.nodemanager.vmem-check-enabled</name> <value>false</value> </property> <property> <name>yarn.resourcemanager.address</name> <value>hadoopresourcemanager:8032</value> </property> <property> <name>yarn.resourcemanager.scheduler.address</name> <value>hadoopresourcemanager:8030</value> </property> <property> <name>yarn.resourcemanager.resource-tracker.address</name> <value>hadoopresourcemanager:8031</value> </property> </configuration> So I can say, I already tried your suggestion Cheers > On 5 Aug 2019, at 15:22, Jon Mack <jmack...@gmail.com> wrote: > > Looks to me it's missing the resource manager configuration based on the port > it's trying to connect to.. > > On Mon, Aug 5, 2019 at 9:15 AM Daniel Santos <daniel.d...@gmail.com > <mailto:daniel.d...@gmail.com>> wrote: > Hello, > > I have a cluster with one machine holding the name nodes (primary and > secondary) a yarn node (resource manager) and four data nodes. > I am running hadoop 2.7.0. > > When I submit a job to the cluster I can see it in the scheduler webpage. If > I go to the container page and check the logs, in the syslog file i have in > the end the following : > > 2019-08-05 14:58:05,962 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 2 time(s); retry policy is > RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 > MILLISECONDS) > 2019-08-05 14:58:06,962 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 3 time(s); retry policy is > RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 > MILLISECONDS) > 2019-08-05 14:58:07,963 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 4 time(s); retry policy is > RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 > MILLISECONDS) > 2019-08-05 14:58:08,965 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 5 time(s); retry policy is > RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 > MILLISECONDS) > 2019-08-05 14:58:09,966 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 6 time(s); retry policy is > RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 > MILLISECONDS) > 2019-08-05 14:58:10,967 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 7 time(s); retry policy is > RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 > MILLISECONDS) > 2019-08-05 14:58:11,968 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 8 time(s); retry policy is > RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 > MILLISECONDS) > 2019-08-05 14:58:12,969 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 9 time(s); retry policy is > RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 > MILLISECONDS) > > I have checked the configuration of the resource manager and the data node > where the application is running on and the property : > yarn.resourcemanager.hostname that I have set in yarn-site.xml is shown. > I have disabled ipv6 on the yarn machine, as some posts on the internet > suggested. All the configuration files are the same in every node of the > cluster. > > still I am getting these errors, and the application ends with a timeout. > > What am I doing wrong ? > > Thanks > Regards