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Posted to dev@sqoop.apache.org by "Eric Lin (JIRA)" <ji...@apache.org> on 2017/06/11 12:07:18 UTC
[jira] [Commented] (SQOOP-3042) Sqoop does not clear compile
directory under /tmp/sqoop-/compile automatically
[ https://issues.apache.org/jira/browse/SQOOP-3042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16045927#comment-16045927 ]
Eric Lin commented on SQOOP-3042:
---------------------------------
Review link: https://reviews.apache.org/r/54528/
> Sqoop does not clear compile directory under /tmp/sqoop-<username>/compile automatically
> ----------------------------------------------------------------------------------------
>
> Key: SQOOP-3042
> URL: https://issues.apache.org/jira/browse/SQOOP-3042
> Project: Sqoop
> Issue Type: Bug
> Affects Versions: 1.4.6
> Reporter: Eric Lin
> Assignee: Eric Lin
> Priority: Critical
> Labels: patch
> Attachments: SQOOP-3042.1.patch, SQOOP-3042.2.patch, SQOOP-3042.4.patch
>
>
> After running sqoop, all the temp files generated by ClassWriter are left behind on disk, so anyone can check those JAVA files to see the schema of those tables that Sqoop has been interacting with. By default, the directory is under /tmp/sqoop-<username>/compile.
> In class org.apache.sqoop.SqoopOptions, function getNonceJarDir(), I can see that we did add "deleteOnExit" on the temp dir:
> {code}
> for (int attempts = 0; attempts < MAX_DIR_CREATE_ATTEMPTS; attempts++) {
> hashDir = new File(baseDir, RandomHash.generateMD5String());
> while (hashDir.exists()) {
> hashDir = new File(baseDir, RandomHash.generateMD5String());
> }
> if (hashDir.mkdirs()) {
> // We created the directory. Use it.
> // If this directory is not actually filled with files, delete it
> // when the JVM quits.
> hashDir.deleteOnExit();
> break;
> }
> }
> {code}
> However, I believe it failed to delete due to directory is not empty.
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