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Posted to server-dev@james.apache.org by "René Cordier (Jira)" <se...@james.apache.org> on 2020/06/16 10:19:00 UTC
[jira] [Resolved] (JAMES-3176) MDN parser instantiation via
parboiled fails
[ https://issues.apache.org/jira/browse/JAMES-3176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
René Cordier resolved JAMES-3176.
---------------------------------
Resolution: Fixed
> MDN parser instantiation via parboiled fails
> --------------------------------------------
>
> Key: JAMES-3176
> URL: https://issues.apache.org/jira/browse/JAMES-3176
> Project: James Server
> Issue Type: Improvement
> Components: Mailet Contributions, mdn
> Affects Versions: 3.5.0
> Reporter: Benoit Tellier
> Priority: Major
> Labels: bug
> Fix For: 3.6.0
>
>
> Upon execution of ExtractMDNOriginalJMAPMessageId & Vacation mailet we encounter the following exceptions:
> {code:java}
> java.lang.RuntimeException: Error creating extended parser class: null
> at org.parboiled.Parboiled.createParser(Parboiled.java:58)
> at org.apache.james.mdn.MDNReportParser.parse(MDNReportParser.java:57)
> at org.apache.james.mdn.MDNReportParser.parse(MDNReportParser.java:53)
> at org.apache.james.jmap.mailet.ExtractMDNOriginalJMAPMessageId.parseReport(ExtractMDNOriginalJMAPMessageId.java:120)
> [...]
> Caused by: java.lang.IllegalArgumentException: null
> at org.objectweb.asm.ClassVisitor.<init>(Unknown Source)
> at org.objectweb.asm.ClassVisitor.<init>(Unknown Source)
> at org.objectweb.asm.tree.ClassNode.<init>(Unknown Source)
> at org.parboiled.transform.ParserClassNode.<init>(ParserClassNode.java:43)
> at org.parboiled.transform.ParserTransformer.extendParserClass(ParserTransformer.java:43)
> at org.parboiled.transform.ParserTransformer.transformParser(ParserTransformer.java:39)
> at org.parboiled.Parboiled.createParser(Parboiled.java:54)
> {code}
> Code inspection did not allow me to identify the route cause of the failure due to some heavy reflection dark magic taking place.
> However instantiation of the parser was performed via reflection upon each MDN
> parsing.
> Given that a parser only defines a set of rules, and is thus immutable,
> we can turn it into a constant, effectively solving our problem ?
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