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https://issues.apache.org/jira/browse/CXF-4909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13608965#comment-13608965
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Thomas Greve commented on CXF-4909:
-----------------------------------
The wadl file used was in fact invalid: requests and responses may have
parameters, but the must not be "plain" style. Plain style parameters are
allowed for representations, only, and a surrounding representation was missing
in the wadl file. It would be nice if wadl2java would detect this error and
issue a meaningful error message instead of just crashing.
> wadl2java: NPE in SourceGenerator when generating method with "plain" style
> parameter
> -------------------------------------------------------------------------------------
>
> Key: CXF-4909
> URL: https://issues.apache.org/jira/browse/CXF-4909
> Project: CXF
> Issue Type: Bug
> Components: Tooling
> Affects Versions: 2.7.3
> Environment: JDK 1.7.0_17
> Reporter: Thomas Greve
> Priority: Minor
>
> When trying to generate client classes with wadl2java command line tool, i
> encounter a NPE in
> org.apache.cxf.tools.wadlto.jaxrs.SourceGenerator.writeAnnotation(SourceGenerator.java:608)
> The "cls" parameter is null, what is not checked for.
> This is due to PARAM_ANNOTATIONS not containing the "plain" style, which is
> valid according to w3c wadl description (2.12.2).
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