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https://issues.apache.org/jira/browse/FLINK-2448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14699275#comment-14699275
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Chesnay Schepler commented on FLINK-2448:
-----------------------------------------

yep that's what i mean. the environment is retrieved using 
ExecutionEnvironment.getEnvironment() for both jobs.
essentially this is what runs:
{code}
@Test
public void MyTest() throws Exception {
ExecutionEnvironment env = ExecutionEnvironment.getEnvironment();
env.registerCacheFile(X)
<doSomeStuff>
env.execute()


env = ExecutionEnvironment.getEnvironment();
env.registerCacheFile(X)
<doSomeStuff>
env.execute()
}
{code}

> registerCacheFile fails with MultipleProgramsTestbase
> -----------------------------------------------------
>
>                 Key: FLINK-2448
>                 URL: https://issues.apache.org/jira/browse/FLINK-2448
>             Project: Flink
>          Issue Type: Bug
>          Components: Tests
>            Reporter: Chesnay Schepler
>            Priority: Minor
>
> When trying to register a file using a constant name an expection is thrown 
> saying the file was already cached.
> This is probably because the same environment is reused, and the cacheFile 
> entries are not cleared between runs.



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