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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CXF-7371) Error creating a webservice with lambdas in the implementing class
Date Sun, 06 Aug 2017 21:07:00 GMT

    [ https://issues.apache.org/jira/browse/CXF-7371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16115937#comment-16115937
] 

ASF GitHub Bot commented on CXF-7371:
-------------------------------------

Github user bbodnar commented on the issue:

    https://github.com/apache/cxf/pull/300
  
    There is no good solution for reading classes with ASM without direct coding against concrete
ASM-classes (the "normal" (visitor-based) way isn't usable with reflection/proxying, because
the visitors are in ASM >v3 classes (no longer interfaces); the non-visitor-based ways
(tree, SAX-events) require optional ASM-libraries, whose existence must here surely not be
assumed).
    I see under this circumstances the only reasonable solution to extend the current (self-made)
byte-code-parser to handle the Java8-constants.


> Error creating a webservice with lambdas in the implementing class
> ------------------------------------------------------------------
>
>                 Key: CXF-7371
>                 URL: https://issues.apache.org/jira/browse/CXF-7371
>             Project: CXF
>          Issue Type: Bug
>    Affects Versions: 3.1.11
>            Reporter: Barnabas Bodnar
>         Attachments: CXF-7371.zip
>
>
> Attempting to create a webservice, where the implementing class uses lambdas in the method-bodies,
fails with the following error:
> {quote}
> java.lang.IllegalStateException
>         at org.apache.cxf.wsdl.service.factory.ClassReader.readCpool(ClassReader.java:358)
>         at org.apache.cxf.wsdl.service.factory.ParamReader.<init>(ParamReader.java:79)
>         at org.apache.cxf.wsdl.service.factory.ParamReader.<init>(ParamReader.java:58)
>         at org.apache.cxf.wsdl.service.factory.ParamReader.getParameterNamesFromDebugInfo(ParamReader.java:131)
>         at org.apache.cxf.wsdl.service.factory.DefaultServiceConfiguration.createName(DefaultServiceConfiguration.java:128)
>         at org.apache.cxf.wsdl.service.factory.DefaultServiceConfiguration.getDefaultLocalName(DefaultServiceConfiguration.java:119)
>         at org.apache.cxf.wsdl.service.factory.DefaultServiceConfiguration.getInParameterName(DefaultServiceConfiguration.java:94)
>         at org.apache.cxf.wsdl.service.factory.ReflectionServiceFactoryBean.getInParameterName(ReflectionServiceFactoryBean.java:2228)
>         at org.apache.cxf.wsdl.service.factory.ReflectionServiceFactoryBean.createMessageParts(ReflectionServiceFactoryBean.java:1507)
>         at org.apache.cxf.wsdl.service.factory.ReflectionServiceFactoryBean.createOperation(ReflectionServiceFactoryBean.java:988)
>         at org.apache.cxf.wsdl.service.factory.ReflectionServiceFactoryBean.createInterface(ReflectionServiceFactoryBean.java:965)
>         at org.apache.cxf.wsdl.service.factory.ReflectionServiceFactoryBean.buildServiceFromClass(ReflectionServiceFactoryBean.java:460)
>         at org.apache.cxf.wsdl.service.factory.ReflectionServiceFactoryBean.initializeServiceModel(ReflectionServiceFactoryBean.java:529)
>         at org.apache.cxf.wsdl.service.factory.ReflectionServiceFactoryBean.create(ReflectionServiceFactoryBean.java:262)
> {quote}
> The class-constant not understood here is *18 (InvokeDynamic)*.



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