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Posted to issues@solr.apache.org by "Michael Gibney (Jira)" <ji...@apache.org> on 2023/01/18 22:05:00 UTC

[jira] [Created] (SOLR-16628) Occasional resource leak in SolrConfig.ResourceProvider

Michael Gibney created SOLR-16628:
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             Summary: Occasional resource leak in SolrConfig.ResourceProvider 
                 Key: SOLR-16628
                 URL: https://issues.apache.org/jira/browse/SOLR-16628
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
    Affects Versions: 8.9
            Reporter: Michael Gibney


Currently, xml config file parsing can in exceptional circumstances lead to resource leaks (InputStream not being closed). This has occasionally [shown up in tests|https://issues.apache.org/jira/browse/SOLR-16336?focusedCommentId=17678323#comment-17678323] and presumably could also manifest in the wild.

I suspect (but am not certain) that these changes may have been introduced in version 8.9 by SOLR-15337 (closing of byte streams in xml parsing is unusual iiuc in that according to spec, closing is handled internal to the parser, so it's easy to rely on that behavior and things will usually be ok. But we should take extra steps to ensure the InputStreams are always closed).



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