I fetched master branch and ran again. But I got the same error.
It seems that the problem is related to javadoc. Till’s fix is related to 
renaming in flink-ml package.

Regards,
Chiwan Park


> On May 29, 2015, at 5:39 PM, Stephan Ewen <se...@apache.org> wrote:
> 
> A bug sneaked in...
> 
> I think Till just pushed a fix for that, so if you pull now, it should work 
> again...
> 
> 
> 
> On Fri, May 29, 2015 at 10:28 AM, Chiwan Park <chiwanp...@icloud.com 
> <mailto:chiwanp...@icloud.com>> wrote:
> Hi :)
> 
> I tried building current master branch with `mvn clean package -DskipTests` 
> command.
> But I got a error following:
> 
> [INFO] 
> ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO] 
> ------------------------------------------------------------------------
> [INFO] Total time: 08:11 min
> [INFO] Finished at: 2015-05-29T17:21:45+09:00
> [INFO] Final Memory: 151M/1524M
> [INFO] 
> ------------------------------------------------------------------------
> [ERROR] Failed to execute goal 
> org.apache.maven.plugins:maven-javadoc-plugin:2.9.1:jar (attach-javadocs) on 
> project flink-scala-shell: MavenReportException: Error while creating archive:
> [ERROR] Exit code: 1 - javadoc: warning - No source files for package 
> org.apache.flink.api.java
> [ERROR] javadoc: warning - No source files for package 
> org.apache.flink.api.java
> [ERROR] javadoc: error - No public or protected classes found to document.
> [ERROR]
> [ERROR] Command line was: 
> /Library/Java/JavaVirtualMachines/jdk1.8.0_45.jdk/Contents/Home/bin/javadoc 
> @options @packages
> [ERROR]
> [ERROR] Refer to the generated Javadoc files in 
> '/Users/chiwanpark/IdeaProjects/flink/flink-staging/flink-scala-shell/target/apidocs'
>  dir.
> [ERROR] -> [Help 1]
> [ERROR]
> [ERROR] To see the full stack trace of the errors, re-run Maven with the -e 
> switch.
> [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> [ERROR]
> [ERROR] For more information about the errors and possible solutions, please 
> read the following articles:
> [ERROR] [Help 1] 
> http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException 
> <http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException>
> [ERROR]
> [ERROR] After correcting the problems, you can resume the build with the 
> command
> [ERROR]   mvn <goals> -rf :flink-scala-shell
> 
> I ran the command in OS X 10.10.3, Oracle JDK 1.8.0_45, Maven 3.3.1.
> How can I solve this problem?
> 
> 
> Regards,
> Chiwan Park
> 
> 
> 
> 

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