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https://issues.apache.org/jira/browse/HBASE-9003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14191384#comment-14191384
 ] 

Hudson commented on HBASE-9003:
-------------------------------

FAILURE: Integrated in HBase-TRUNK #5728 (See 
[https://builds.apache.org/job/HBase-TRUNK/5728/])
HBASE-9003 TableMapReduceUtil should not rely on 
org.apache.hadoop.util.JarFinder#getJar (Esteban Gutierrez) (stack: rev 
a71dd16a70e9a594e6aa24f69eb7b1d279273ca8)
* 
hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/hadoopbackport/TestJarFinder.java
* 
hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/hadoopbackport/JarFinder.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/JarFinder.java
* 
hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestJarFinder.java
* 
hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.java


> TableMapReduceUtil should not rely on org.apache.hadoop.util.JarFinder#getJar
> -----------------------------------------------------------------------------
>
>                 Key: HBASE-9003
>                 URL: https://issues.apache.org/jira/browse/HBASE-9003
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce
>            Reporter: Esteban Gutierrez
>            Assignee: Esteban Gutierrez
>             Fix For: 2.0.0, 0.99.2
>
>         Attachments: HBASE-9003.v0.patch, HBASE-9003.v1.patch, 
> HBASE-9003.v2.patch, HBASE-9003.v2.patch, HBASE-9003.v3.patch
>
>
> This is the problem: {{TableMapReduceUtil#addDependencyJars}} relies on 
> {{org.apache.hadoop.util.JarFinder}} if available to call {{getJar()}}. 
> However {{getJar()}} uses File.createTempFile() to create a temporary file 
> under {{hadoop.tmp.dir}}{{/target/test-dir}}. Due HADOOP-9737 the created jar 
> and its content is not purged after the JVM is destroyed. Since most 
> configurations point {{hadoop.tmp.dir}} under {{/tmp}} the generated jar 
> files get purged by {{tmpwatch}} or a similar tool, but boxes that have 
> {{hadoop.tmp.dir}} pointing to a different location not monitored by 
> {{tmpwatch}} will pile up a collection of jars causing all kind of issues. 
> Since {{JarFinder#getJar}} is not a public API from Hadoop (see [~tucu00] 
> comment on HADOOP-9737) we shouldn't use that as part of 
> {{TableMapReduceUtil}} in order to avoid this kind of issues.



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