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https://reviews.apache.org/r/19233/
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Review request for Ambari and Vitalyi Brodetskyi.
Bugs: AMBARI-5094
https://issues.apache.org/jira/browse/AMBARI-5094
Repository: ambari
Description
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On an Ambari deployed cluster, the following configs are set in yarn-site.xml:
<property>
<name>yarn.resourcemanager.nodes.exclude-path</name>
<value>/etc/hadoop/conf/yarn.exclude</value>
</property>
and /etc/hadoop/conf/yarn.exclude does not exist.
This causes an error to be thrown in RM logs:
{noformat}
2014-02-26 15:34:19,721 WARN
org.apache.hadoop.yarn.server.resourcemanager.NodesListManager: Failed to init
hostsReader, disabling
java.io.FileNotFoundException: /etc/hadoop/conf/yarn.exclude (No such file or
directory)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:138)
at java.io.FileInputStream.<init>(FileInputStream.java:97)
at
org.apache.hadoop.yarn.LocalConfigurationProvider.getConfigurationInputStream(LocalConfigurationProvider.java:45)
at
org.apache.hadoop.yarn.server.resourcemanager.NodesListManager.createHostsFileReader(NodesListManager.java:219)
at
org.apache.hadoop.yarn.server.resourcemanager.NodesListManager.serviceInit(NodesListManager.java:76)
at
org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
at
org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)
at
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceInit(ResourceManager.java:451)
at
org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
at
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.createAndInitActiveServices(ResourceManager.java:804)
at
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceInit(ResourceManager.java:217)
at
org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
at
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:1016)
2014-02-26 15:34:19,723 INFO org.apache.hadoop.util.HostsFileReader: Refreshing
hosts (include/exclude) list
{noformat}
The error is harmless and RM starts up fine but with this exception in the
logs. Either an empty file should be created or the property has to be removed
from yarn-site.xml
Diffs
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ambari-server/src/main/resources/stacks/HDP/2.0.6/services/YARN/package/scripts/params.py
9d69013
ambari-server/src/main/resources/stacks/HDP/2.0.6/services/YARN/package/scripts/yarn.py
108eb89
ambari-server/src/test/python/stacks/2.0.6/YARN/test_historyserver.py 98bc3a6
ambari-server/src/test/python/stacks/2.0.6/YARN/test_mapreduce2_client.py
ef5c05f
ambari-server/src/test/python/stacks/2.0.6/YARN/test_nodemanager.py a28a47e
ambari-server/src/test/python/stacks/2.0.6/YARN/test_resourcemanager.py
f8ff29e
ambari-server/src/test/python/stacks/2.0.6/YARN/test_yarn_client.py 59ac114
ambari-server/src/test/python/stacks/2.1/YARN/test_apptimelineserver.py
fc1f547
Diff: https://reviews.apache.org/r/19233/diff/
Testing
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Thanks,
Andrew Onischuk
