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From "Anders Hammar (JIRA)" <j...@codehaus.org>
Subject [jira] Commented: (MCOMPILER-120) Javac compiler plugin doesn't support -Werror
Date Wed, 01 Jun 2011 08:11:22 GMT

    [ http://jira.codehaus.org/browse/MCOMPILER-120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=269245#action_269245
] 

Anders Hammar commented on MCOMPILER-120:
-----------------------------------------

I think there should be an IT as well to get this applied.

> Javac compiler plugin doesn't support -Werror
> ---------------------------------------------
>
>                 Key: MCOMPILER-120
>                 URL: http://jira.codehaus.org/browse/MCOMPILER-120
>             Project: Maven 2.x Compiler Plugin
>          Issue Type: Bug
>    Affects Versions: 2.1
>            Reporter: Christopher Webster
>         Attachments: JavacCompiler.java, JavacCompiler.patch, trial-maven.zip
>
>
> If I write a pom file like the following:
> ...
> <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>
> 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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