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http://jira.codehaus.org/browse/MNG-1803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=216337#action_216337
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Jörg Buchberger commented on MNG-1803:
--------------------------------------
Although, this seems somewhat addressed in these commits among others
r814330,13. September 2009
r824998,14. Oktober 2009
the Maven-3.0-SNAPSHOT included with m2eclipse-0.10.0.20100902-0800 won't give
line and column information on the console output - e.g. for missing artifactId
tag from a dependency. This is also true for invocations using the -e or -X
options.
Although, there are some other hints about the error included with the output
message, this enhancement seems very useful to me - especially, if I think of
Maven newbies.
Perhaps, this would need to be also addressed in the
org.apache.maven.settings.validation.DefaultSettingsValidator's addError() and
addWarn() methods. But I don't know, the Maven codebase well, so this might be
wrong as approach.
> Provide line number information when there are errors processing a pom.xml
> --------------------------------------------------------------------------
>
> Key: MNG-1803
> URL: http://jira.codehaus.org/browse/MNG-1803
> Project: Maven 2 & 3
> Issue Type: Bug
> Components: Logging, POM
> Affects Versions: 2.0
> Environment: Maven 2.0, Windows xp, jdk 1.5, cygwin
> Reporter: Howard M. Lewis Ship
> Fix For: 3.0-beta-1
>
>
> When there is an error in a pom.xml, Maven 2 does a reasonable job
> identifying the error, but it doesn't provide the location of the error. For
> example, I forget to include a <version> inside one of my dependencies:
> bash-3.00$ mvn
> [INFO] Scanning for projects...
> [INFO]
> ----------------------------------------------------------------------------
> [ERROR] FATAL ERROR
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Error building POM (may not be this project's POM).
> Project ID: hivemind:hivemind
> POM Location: c:\workspace\jakarta-hivemind\library\pom.xml
> Validation Messages:
> [0] 'dependencies.dependency.version' is missing.
> Reason: Failed to validate POM
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Trace
> org.apache.maven.reactor.MavenExecutionException: Failed to validate POM
> at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:359)
> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:276)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:113)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:249)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
> at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
> at
> org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
> at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> Caused by: org.apache.maven.project.InvalidProjectModelException: Failed to
> validate POM
> at
> org.apache.maven.project.DefaultMavenProjectBuilder.processProjectLogic(DefaultMavenProjectBuilder.java:774)
> at
> org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:624)
> at
> org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFile(DefaultMavenProjectBuilder.java:298)
> at
> org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:276)
> at org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:509)
> at
> org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:441)
> at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:345)
> ... 11 more
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Total time: < 1 second
> [INFO] Finished at: Sat Dec 10 10:09:16 PST 2005
> [INFO] Final Memory: 1M/2M
> [INFO]
> ----------------------------------------------------------------------------
> Maven should have identified the LINE NUMBER, not just the file. I shouldn't
> have to pick my way though the document when Maven already has. Better yet,
> it should display the invalid portion of the file and highlight the exact
> point of the error.
> I realize that it is controversial to add this issue as a bug and not an
> enhancement, but I feel strongly about the absolute importance of developer
> feedback in any complex tool.
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