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https://issues.apache.org/jira/browse/SOLR-11687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16276944#comment-16276944
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Erick Erickson commented on SOLR-11687:
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Thanks Shalin....
> SolrCore.getNewIndexDir falsely returns {dataDir}/index on any IOException
> reading index.properties
> ---------------------------------------------------------------------------------------------------
>
> Key: SOLR-11687
> URL: https://issues.apache.org/jira/browse/SOLR-11687
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Erick Erickson
> Assignee: Erick Erickson
> Attachments: SOLR-11687.patch, SOLR-11687.patch
>
>
> I'll link the originating Solr JIRA in a minute (many thanks Nikolay).
> right at the top of this method we have this:
> {code}
> String result = dataDir + "index/";
> {code}
> If, for any reason, the method doesn't complete properly, the "result" is
> still returned. Now for instance, down in SolrCore.cleanupOldIndexDirectories
> the "old" directory is dataDir/index which may point to the current index.
> This seems particularly dangerous:
> {code}
> try {
> p.load(new InputStreamReader(is, StandardCharsets.UTF_8));
> String s = p.getProperty("index");
> if (s != null && s.trim().length() > 0) {
> result = dataDir + s;
> }
> } catch (Exception e) {
> log.error("Unable to load " + IndexFetcher.INDEX_PROPERTIES, e);
> } finally {
> IOUtils.closeQuietly(is);
> }
> {code}
> Should "p.load" fail for any reason whatsoever, we'll still return
> dataDir/index.
> Anyone want to chime on on what the expectations are here before I dive in?
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