[jira] [Created] (SOLR-17800) Security Manager should handle symlink on /tmp

["Kevin Risden (Jira)" <ji...@apache.org>]

Kevin Risden created SOLR-17800:
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             Summary: Security Manager should handle symlink on /tmp
                 Key: SOLR-17800
                 URL: https://issues.apache.org/jira/browse/SOLR-17800
             Project: Solr
          Issue Type: Bug
            Reporter: Kevin Risden
            Assignee: Kevin Risden


On Mac /tmp is a symlink and this causes issues with the Solr security manager. SOLR-16457 / #1282 fixed a similar issue with symlinks and the security manager. This applies the same type of solution but specifically for java.io.tmpdir to ensure that on Macs (and Linux) the full path is used not the symlink. This makes the security manager checking the path happy since its not trying to compare to a symlink anymore.

This assumes that TMPDIR is already defined which looks like it is probably the case, but not 100% sure. Otherwise we fall back to TEMP and then TMP and finally /tmp. If someone wants to override the tmp dir they should set TMPDIR and not try to just set -Djava.io.tmpdir...

References:

* solr-dev mailing list reference where this issue was shared https://lists.apache.org/thread/xofho3kns1wm3z1ckg92w8j890627x7p
* This might fix the issue reported in https://issues.apache.org/jira/browse/SOLR-17542



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