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https://issues.apache.org/jira/browse/HADOOP-8172?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13262081#comment-13262081
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Anupam Seth commented on HADOOP-8172:
-------------------------------------
Thanks Bobby. While a plain diff in the patch's javac warnings and the turnk's
javac warnings is filled with noise from differences just in the branch-2 vs.
trunk code bases, I was able to narrow down and find that these are deprecation
warnings arising from my adding the @Deprecated tag to addDeprecation(String,
String[]) method. These mostly arise in the file
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/util/ConfigUtil.java.
> Configuration no longer sets all keys in a deprecated key list.
> ---------------------------------------------------------------
>
> Key: HADOOP-8172
> URL: https://issues.apache.org/jira/browse/HADOOP-8172
> Project: Hadoop Common
> Issue Type: Bug
> Components: conf
> Affects Versions: 0.23.3, 0.24.0
> Reporter: Robert Joseph Evans
> Assignee: Anupam Seth
> Priority: Critical
> Attachments: HADOOP-8172-branch-2.patch, HADOOP-8172-branch-2.patch
>
>
> I did not look at the patch for HADOOP-8167 previously, but I did in response
> to a recent test failure. The patch appears to have changed the following
> code (I am just paraphrasing the code)
> {code}
> if(!deprecated(key)) {
> set(key, value);
> } else {
> for(String newKey: depricatedKeyMap.get(key)) {
> set(newKey, value);
> }
> }
> {code}
> to be
> {code}
> set(key, value);
> if(depricatedKeyMap.contains(key)) {
> set(deprecatedKeyMap.get(key)[0], value);
> } else if(reverseKeyMap.contains(key)) {
> set(reverseKeyMap.get(key), value);
> }
> {code}
> If a key is deprecated and is mapped to more then one new key value only the
> first one in the list will be set, where as previously all of them would be
> set.
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