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https://issues.apache.org/jira/browse/CXF-4581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13488428#comment-13488428
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Josh Beitelspacher commented on CXF-4581:
-----------------------------------------
I should have been more clear in my comment. This change only affects
incremental builds inside Eclipse. When building from the command line
cxf-codegen-plugin will continue to check for changes in externally referenced
files during every build.
When the cxf-codegen-plugin is called during an Eclipse incremental build, the
cxf-codegen-plugin will also check for changes in externally referenced files.
The problem is that changing one of the externally referenced files inside
Eclipse won't actually trigger an increment build. The user has to touch a file
or run "Project -> Clean..." in Eclipse to trigger a clean (which will
immediately be followed by an automatic rebuild). The attached patch doesn't
address this problem because there is no easy way to solve it. Instead of
mentioning this issue in the comments I should probably have opened a new issue
for it.
All the attached patch does is prevent the cxf-codegen-plugin from trying to
generate code during the m2e configuration build. It shouldn't have any impact
at all when mvn is run from the command line.
> cxf-codegen-plugin tries to generate code during "configuration" build
> ----------------------------------------------------------------------
>
> Key: CXF-4581
> URL: https://issues.apache.org/jira/browse/CXF-4581
> Project: CXF
> Issue Type: Bug
> Components: Tooling
> Reporter: Josh Beitelspacher
> Attachments:
> 0001-CXF-4581-Prevent-code-generation-during-m2e-incremen.patch
>
>
> In order to configure the workspace, m2e runs a "configuration" build prior
> to any actual builds. During this "configuration" builds plugins should only
> setup their additional source and resources directories and should not
> attempt to read or write any files in the workspace.
> In many cases it is not a problem that code generation runs too soon, but if
> any input files to the code generation process are not available then the
> code generation will fail, the target/generated-sources/cxf directory will
> not be created, and the generated-sources directory won't be added to Eclipse
> classpath.
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