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https://issues.apache.org/jira/browse/HADOOP-15059?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe updated HADOOP-15059:
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Attachment: HADOOP-15059.005.patch
Thanks for the reviews, Daryn and Vinod! I'm attaching a patch that moves the
byte value to enum mapping into the enum itself. I'm not convinced the
refactor was worth it, but here it is for you to decide.
bq. If only YARN had a system whereby one could dynamically label a node based
upon the current software stack. Then one could schedule around that and/or set
up distributed cache content to match.
The RM tracks which version each NM registered with, so it knows the software
stack being provided by that node. Unfortunately YARN doesn't know what
software stack the user's application expects, so it cannot fixup the
distributed cache to match the expectation. In addition the framework could be
embedded in the user's app which cannot be fixed in the general case by
tweaking the distributed cache.
> 3.0 deployment cannot work with old version MR tar ball which break rolling
> upgrade
> -----------------------------------------------------------------------------------
>
> Key: HADOOP-15059
> URL: https://issues.apache.org/jira/browse/HADOOP-15059
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Reporter: Junping Du
> Assignee: Jason Lowe
> Priority: Blocker
> Attachments: HADOOP-15059.001.patch, HADOOP-15059.002.patch,
> HADOOP-15059.003.patch, HADOOP-15059.004.patch, HADOOP-15059.005.patch
>
>
> I tried to deploy 3.0 cluster with 2.9 MR tar ball. The MR job is failed
> because following error:
> {noformat}
> 2017-11-21 12:42:50,911 INFO [main]
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster: Created MRAppMaster for
> application appattempt_1511295641738_0003_000001
> 2017-11-21 12:42:51,070 WARN [main] org.apache.hadoop.util.NativeCodeLoader:
> Unable to load native-hadoop library for your platform... using builtin-java
> classes where applicable
> 2017-11-21 12:42:51,118 FATAL [main]
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster: Error starting MRAppMaster
> java.lang.RuntimeException: Unable to determine current user
> at
> org.apache.hadoop.conf.Configuration$Resource.getRestrictParserDefault(Configuration.java:254)
> at
> org.apache.hadoop.conf.Configuration$Resource.<init>(Configuration.java:220)
> at
> org.apache.hadoop.conf.Configuration$Resource.<init>(Configuration.java:212)
> at
> org.apache.hadoop.conf.Configuration.addResource(Configuration.java:888)
> at
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster.main(MRAppMaster.java:1638)
> Caused by: java.io.IOException: Exception reading
> /tmp/nm-local-dir/usercache/jdu/appcache/application_1511295641738_0003/container_e03_1511295641738_0003_01_000001/container_tokens
> at
> org.apache.hadoop.security.Credentials.readTokenStorageFile(Credentials.java:208)
> at
> org.apache.hadoop.security.UserGroupInformation.loginUserFromSubject(UserGroupInformation.java:907)
> at
> org.apache.hadoop.security.UserGroupInformation.getLoginUser(UserGroupInformation.java:820)
> at
> org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:689)
> at
> org.apache.hadoop.conf.Configuration$Resource.getRestrictParserDefault(Configuration.java:252)
> ... 4 more
> Caused by: java.io.IOException: Unknown version 1 in token storage.
> at
> org.apache.hadoop.security.Credentials.readTokenStorageStream(Credentials.java:226)
> at
> org.apache.hadoop.security.Credentials.readTokenStorageFile(Credentials.java:205)
> ... 8 more
> 2017-11-21 12:42:51,122 INFO [main] org.apache.hadoop.util.ExitUtil: Exiting
> with status 1: java.lang.RuntimeException: Unable to determine current user
> {noformat}
> I think it is due to token incompatiblity change between 2.9 and 3.0. As we
> claim "rolling upgrade" is supported in Hadoop 3, we should fix this before
> we ship 3.0 otherwise all MR running applications will get stuck during/after
> upgrade.
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