Zhenhao Li created YARN-7926:
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Summary: Copy and paste errors in log messages
Key: YARN-7926
URL: https://issues.apache.org/jira/browse/YARN-7926
Project: Hadoop YARN
Issue Type: Bug
Reporter: Zhenhao Li
We are a group of researchers from Canada and we are studying refactoring in
log messages. We found that there are some possible copy and paste errors in
the log messages, and we think it may cause some confusion when operators are
reading the log messages.
The problem is found in the following two methods:
_org.apache.hadoop.yarn.server.router.webapp.FederationInterceptorREST._*_createNewApplication()_*
and
_org.apache.hadoop.yarn.server.router.clientrm.FederationClientInterceptor._*_getNewApplication()_*
These are two very similar methods (possibly code clones) in different classes.
The log messages in *both methods* are:
_LOG.warn("Unable to_ *_create a new ApplicationId_* _in SubCluster " …);__
_ _LOG.debug(“_*getNewApplication* try # + … );
Since one method is getting new application and one method is creating new
application, we believe that the log messages are incorrectly copied and should
be changed.
Please let us know if there is anything that we can further provide you with
fixing the problem.
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