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https://issues.apache.org/jira/browse/MYFACES-3945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14229272#comment-14229272
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Michael Newcomb commented on MYFACES-3945:
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Symptom is logged error:
{{monospaced}}
org.apache.myfaces.config.annotation._ClassByteCodeAnnotationFilter
couldContainAnnotationsOnClassDef WARNING: Unknown tag in constants pool: 18
org.apache.myfaces.config.annotation._ClassByteCodeAnnotationFilter
couldContainAnnotationsOnClassDef WARNING: Unknown tag in constants pool: 15
{{monospaced}}
Faces-annotated classes that use lambdas don't work properly or are not
recognized at all.
Attached fix correctly processes the new tag types found in:
https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.8
New types are:
* CONSTANT_MethodHandle_info
* CONSTANT_MethodType_info
* CONSTANT_InvokeDynamic_info
> _ClassByteCodeAnnotationFilter does not handle SE8 .class files properly
> ------------------------------------------------------------------------
>
> Key: MYFACES-3945
> URL: https://issues.apache.org/jira/browse/MYFACES-3945
> Project: MyFaces Core
> Issue Type: Bug
> Components: General
> Affects Versions: 2.2.6
> Environment: All
> Reporter: Michael Newcomb
> Priority: Minor
>
> MyFaces 2.2.6 will not register classes with the FacesConverter attribute,
> etc., if they contain lambdas or other Java 8 features.
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