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https://issues.apache.org/jira/browse/FLINK-15623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17017675#comment-17017675
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sunjincheng commented on FLINK-15623:
-------------------------------------
Agree with [~chesnay] 's analysis. The goal "source:jar" of maven-source-plugin
will invoke the phase
[generate-sources|https://maven.apache.org/plugins/maven-source-plugin/jar-mojo.html].
It will firstly execute the early phase "validate" during which
maven-checkstyle-plugin will be executed. At this point, the generated sources
are already generated and so checkstyle check failed. I think it makes sense to
exclude the generated sources from the check style check.
> Buildling flink-python with maven profile docs-and-source fails
> ---------------------------------------------------------------
>
> Key: FLINK-15623
> URL: https://issues.apache.org/jira/browse/FLINK-15623
> Project: Flink
> Issue Type: Bug
> Components: Build System
> Affects Versions: 1.10.0
> Environment: rev: 91d96abe5f42bd088a326870b4885d79611fccb5
> Reporter: Gary Yao
> Assignee: sunjincheng
> Priority: Blocker
> Fix For: 1.10.0
>
>
> *Description*
> Building flink-python with maven profile {{docs-and-source}} fails due to
> checkstyle violations.
> *How to reproduce*
> Running
> {noformat}
> mvn clean install -pl flink-python -Pdocs-and-source -DskipTests
> -DretryFailedDeploymentCount=10
> {noformat}
> should fail with the following error
> {noformat}
> [...]
> [ERROR]
> generated-sources/org/apache/flink/fnexecution/v1/FlinkFnApi.java:[8343]
> (regexp) RegexpSinglelineJava: Line has leading space characters; indentation
> should be performed with tabs only.
> [ERROR]
> generated-sources/org/apache/flink/fnexecution/v1/FlinkFnApi.java:[8344]
> (regexp) RegexpSinglelineJava: Line has leading space characters; indentation
> should be performed with tabs only.
> [ERROR]
> generated-sources/org/apache/flink/fnexecution/v1/FlinkFnApi.java:[8345]
> (regexp) RegexpSinglelineJava: Line has leading space characters; indentation
> should be performed with tabs only.
> [ERROR]
> generated-sources/org/apache/flink/fnexecution/v1/FlinkFnApi.java:[8346]
> (regexp) RegexpSinglelineJava: Line has leading space characters; indentation
> should be performed with tabs only.
> [ERROR]
> generated-sources/org/apache/flink/fnexecution/v1/FlinkFnApi.java:[8347]
> (regexp) RegexpSinglelineJava: Line has leading space characters; indentation
> should be performed with tabs only.
> [ERROR]
> generated-sources/org/apache/flink/fnexecution/v1/FlinkFnApi.java:[8348]
> (regexp) RegexpSinglelineJava: Line has leading space characters; indentation
> should be performed with tabs only.
> [ERROR]
> generated-sources/org/apache/flink/fnexecution/v1/FlinkFnApi.java:[8349]
> (regexp) RegexpSinglelineJava: Line has leading space characters; indentation
> should be performed with tabs only.
> [ERROR]
> generated-sources/org/apache/flink/fnexecution/v1/FlinkFnApi.java:[8350]
> (regexp) RegexpSinglelineJava: Line has leading space characters; indentation
> should be performed with tabs only.
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 18.046 s
> [INFO] Finished at: 2020-01-16T16:44:01+00:00
> [INFO] Final Memory: 158M/2826M
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-checkstyle-plugin:2.17:check (validate) on
> project flink-python_2.11: You have 7603 Checkstyle violations. -> [Help 1]
> [ERROR]
> {noformat}
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