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From: bugzilla@apache.org
To: dev@ant.apache.org
Subject: DO NOT REPLY [Bug 32791]  - xmlvalidate  task fails with multiple
 files.
In-Reply-To: <bug-32791-472@http.issues.apache.org/bugzilla/>
Message-Id: <20060308102850.6B82FD49FB@ajax>
Date: Wed,  8 Mar 2006 10:28:50 +0000 (GMT)

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http://issues.apache.org/bugzilla/show_bug.cgi?id=32791


------- Additional Comments From homer.pichler@gmx.net  2006-03-08 10:28 -------
There is a performance problem when validating a lots of XML files against
a large schema that can be fixed with a xerces2 "grammar-pool". See
http://www-128.ibm.com/developerworks/xml/library/x-perfap3.html#N1017A

I took the CVS source of XMLValidate.java, removed the XmlConstants lookup
to make it compilable under ant 1.6.5 and added a grammar pool. This did
speed up our validation of 6500 files from 5 minutes to 1 minute and allows
us to stay with ant 1.6.5 and replacing only XMLValidate in ant-nodeps.jar.
Perhaps other people find it useful and the cache becomes an official
(perhaps optional) feature of the next ant release.

regards,
Michael Pichler

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