Uwe Schindler created LUCENE-6729:
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             Summary: Upgrade ASM version to 5.0.4 (expressions / Solr's TIKA)
                 Key: LUCENE-6729
                 URL: https://issues.apache.org/jira/browse/LUCENE-6729
             Project: Lucene - Core
          Issue Type: Improvement
          Components: modules/expressions
            Reporter: Uwe Schindler
            Assignee: Uwe Schindler
             Fix For: 5.4


The expressions module currently uses ASM 4 for generating class files. We 
should upgrade to ASM 5.0.4. In addition, with that version we can create Java 
8 class files on trunk.

There is a clash with Apache TIKA, which uses the same old 4.x version. But ASM 
5 is still compatible to ASM 4, if you pass the old ASM version to your own 
visitors. But on long term TIKA should upgrade, too, because currently it 
cannot parse Java 8 class files.

ASM 5.0 also fixes some bugs with Java 7 class files, so we should really 
upgrade.



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