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https://issues.apache.org/jira/browse/JCR-4541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17098877#comment-17098877
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Julian Reschke commented on JCR-4541:
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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_20, performance
> Fix For: 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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