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From Brett Porter <brett.por...@gmail.com>
Subject Re: [m2] build fails on compiler warning
Date Wed, 03 Aug 2005 03:17:56 GMT
This is a bug, that it cannot parse the warning as a warning. Please
file it and we'll get it fixed before the next release.

Thanks,
Brett

On 8/3/05, andrew <lister@pyroboy.com.au> wrote:
> Maven version: 2.0-beta-1-SNAPSHOT, and
> Maven version: 2.0-alpha-3
> 
> Hi,
> 
> I'm attempting to compile a class that contains the now reserved word
> 'assert' as a identifier.
> 
> This compiles fine, with the requisite warnings, outside of m2.
> 
> Under m2, the compiler:compile goal produces the warnings and actually
> compiles the class BUT the build fails [Listing 1].
> 
> I would expect the build to pass in this case.
> 
> Previously on this list I have seen it suggested that setting the source
> compatibility to 1.4 may fix this. In my case, setting this [Listing 2]
> results in no warning, no class file and a failed build [Listing 3].
> 
> Any suggestions on how I can get around this?
> 
> Even if I do away with the assert, will m2 fail the build on any
> compiler warning?
> 
> Cheers,
> ...andrew
> 
> Listing 1
> 
> $ m2 clean:clean compiler:compile
> [INFO] Using local copy of plugins.xml (plugin mappings) for group:
> 'org.apache.maven.plugins' from:
> /home/amm/.m2/repository/org/apache/maven/plugins/plugins.xml
> [INFO] maven-clean-plugin: resolved to version 2.0-alpha-3 from local
> repository
> [INFO] maven-compiler-plugin: resolved to version 2.0-alpha-3 from local
> repository
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Building distra - numpty
> [INFO]    task-segment: [clean:clean, compiler:compile]
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] [clean:clean]
> [INFO] Deleting directory
> /secure/home/amm/prj/bt3/distra/numpty/numpty/target
> [INFO] [compiler:compile]
> Compiling 1 source file to
> /secure/home/amm/prj/bt3/distra/numpty/numpty/target/classes
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Reason: Compilation failure
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] no more tokens - could not parse error message:
> /secure/home/amm/prj/bt3/distra/numpty/numpty/src/main/java/Numpty.java:4:
> warning: as of release 1.4, assert is a keyword, and may not be used as
> an identifier
>   private static String assert = "Hello assert!"; // should trigger
> compiler warning
>                         ^
> 
> no more tokens - could not parse error message:
> /secure/home/amm/prj/bt3/distra/numpty/numpty/src/main/java/Numpty.java:6:
> warning: as of release 1.4, assert is a keyword, and may not be used as
> an identifier
>     System.out.println(assert);                   // should trigger
> compiler warning
>                        ^
> 
> 
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Total time: < 1 second
> [INFO] Finished at: Wed Aug 03 13:08:26 EST 2005
> [INFO] Final Memory: 2M/5M
> [INFO]
> ----------------------------------------------------------------------------
> 
> Listing 2
> 
>   <build>
>     <plugins>
>       <plugin>
>         <groupId>org.apache.maven.plugins</groupId>
>         <artifactId>maven-compiler-plugin</artifactId>
>         <version>2.0-alpha-3</version>
>         <goals>
>           <goal>
>             <id>compile</id>
>             <configuration>
>               <source>1.4</source>
>             </configuration>
>           </goal>
>         </goals>
>       </plugin>
>     </plugins>
>   </build>
> 
> Listing 3
> 
> $ m2 clean:clean compiler:compile
> [INFO] Using local copy of plugins.xml (plugin mappings) for group:
> 'org.apache.maven.plugins' from:
> /home/amm/.m2/repository/org/apache/maven/plugins/plugins.xml
> [INFO] maven-clean-plugin: resolved to version 2.0-alpha-3 from local
> repository
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Building distra - numpty
> [INFO]    task-segment: [clean:clean, compiler:compile]
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] [clean:clean]
> [INFO] Deleting directory
> /secure/home/amm/prj/bt3/distra/numpty/numpty/target
> [INFO] [compiler:compile]
> Compiling 1 source file to
> /secure/home/amm/prj/bt3/distra/numpty/numpty/target/classes
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Reason: Compilation failure
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Failure executing javac, but could not parse the error:
> 
> 
> 
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Total time: < 1 second
> [INFO] Finished at: Wed Aug 03 13:09:50 EST 2005
> [INFO] Final Memory: 1M/3M
> [INFO]
> ----------------------------------------------------------------------------
> 
> --
> 
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