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https://issues.apache.org/jira/browse/SQOOP-3042?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Lin updated SQOOP-3042:
----------------------------
Attachment: SQOOP-3042.2.patch
Revised the patch so that only delete the tmp files if the parent directory is
created by sqoop. This is to inline with the existing logic that deleteOnExit
only added when sqoop creates the dir.
> 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
> Priority: Critical
> Labels: patch
> Attachments: SQOOP-3042.1.patch, SQOOP-3042.2.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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