[jira] Commented: (MCOMPILER-120) Javac compiler plugin doesn't support -Werror

["Steven Schlansker (JIRA)" <ji...@codehaus.org>]

    [ https://jira.codehaus.org/browse/MCOMPILER-120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=280544#comment-280544 ] 

Steven Schlansker commented on MCOMPILER-120:
---------------------------------------------

It seems that maven-compiler-plugin 2.4 still hasn't been released... I don't suppose that it's easy to do that?  I'd love to use this bug fix but I don't want to maintain my own build unless I have to :-)

> Javac compiler plugin doesn't support -Werror
> ---------------------------------------------
>
>                 Key: MCOMPILER-120
>                 URL: https://jira.codehaus.org/browse/MCOMPILER-120
>             Project: Maven 2.x Compiler Plugin
>          Issue Type: Bug
>    Affects Versions: 2.1
>            Reporter: Christopher Webster
>            Assignee: Kristian Rosenvold
>             Fix For: 2.4
>
>         Attachments: JavacCompiler.java, JavacCompiler.patch, trial-maven.zip, werror.zip
>
>
> If I write a pom file like the following:
> {code:xml}...
>   		<plugin>
>   			<groupId>org.apache.maven.plugins</groupId>
>   			<artifactId>maven-compiler-plugin</artifactId>
>   			<version>2.1</version>
>   			<configuration>
>   			    <compilerId>javac</compilerId>
>   				<source>1.6</source>
>   				<target>1.6</target>
>   				
>   				<compilerArguments>
>   					<Werror /> 
>   					<Xlint:all />
>   				</compilerArguments>
>   				<showDeprecation>true</showDeprecation>
>   			</configuration>
>   		</plugin>{code}
> and if there are only warnings, then the build will not fail as intended by the compiler Argument. The reason is that in compileInProcess the exit code from javac is only considered if there are no messages. In the case of treating warnings as errors, there will be messages but no errors so the intention of the build failure is lost. 

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