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From "Alex Ioffe (JIRA)" <j...@codehaus.org>
Subject [jira] Commented: (MCOMPILER-120) Javac compiler plugin doesn't support -Werror
Date Tue, 07 Jun 2011 18:44:22 GMT

    [ http://jira.codehaus.org/browse/MCOMPILER-120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=269751#action_269751
] 

Alex Ioffe commented on MCOMPILER-120:
--------------------------------------

Thanks a lot guys. This will really help.

> 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
>            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:
> ...
> <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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