[9] RFR: 8144593: Suppress not recognized property/feature warning messages from SAXParser

Aleksej Efimov aleksej.efimov at oracle.com
Wed Feb 3 18:19:37 UTC 2016

Please, help to review the fix for JDK-8144593 bug [1] in jaxp area:
JDK produces warnings when non-default parser implementation is used and 
this parser doesn't support jaxp features/properties. The quantity of 
such messages can be enormous for long-running application that performs 
frequent xml transformation or validation operations.
The proposed fix suppresses such messages and prints them only once per 
one JVM invocation for each unique pair of: parser class in use AND 
property name that is not supported by this parser.

Testing results:
JDK regression tests (with new regression tests for transformation and 
validation operations), JCK and JPRT shows no xml tests failures.

Best Regards,

[1] https://bugs.openjdk.java.net/browse/JDK-8144593

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