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Posted to dev@jackrabbit.apache.org by "Julian Reschke (Jira)" <ji...@apache.org> on 2020/05/11 13:15:00 UTC
[jira] [Issue Comment Deleted] (JCR-4541) reduce classpath lookups
for SaxParserFactory
[ https://issues.apache.org/jira/browse/JCR-4541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Julian Reschke updated JCR-4541:
--------------------------------
Comment: was deleted
(was: trunk: [r1877352|http://svn.apache.org/r1877352])
> reduce classpath lookups for SaxParserFactory
> ---------------------------------------------
>
> Key: JCR-4541
> URL: https://issues.apache.org/jira/browse/JCR-4541
> Project: Jackrabbit Content Repository
> Issue Type: Improvement
> Components: jackrabbit-jcr-commons, jackrabbit-jcr2spi
> Reporter: Lars Grefer
> Assignee: Julian Reschke
> Priority: Major
> Labels: candidate_jcr_2_18, performance
> Fix For: 2.20.1, 2.22, 2.21.1
>
>
> While profiling our application, I noticed that {{org.apache.jackrabbit.commons.xml.ParsingContentHandler#parse}} creates a new {{SAXParserFactory}} instance on every invocation.
> This is quite expensive because {{SAXParserFactory.newInstance()}} internally scans the whole classpath for {{META-INF/services/}} declarations.
> I therefore propose this patch: https://github.com/apache/jackrabbit/pull/90
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