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http://jira.codehaus.org/browse/MAVEN-1854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_113660
]
Lukas Theussl commented on MAVEN-1854:
--------------------------------------
Do you have a dependency on ant in your project? Please post your project.xml
and maven.xml and/or a small test project to reproduce the problem.
> Unknown error
> -------------
>
> Key: MAVEN-1854
> URL: http://jira.codehaus.org/browse/MAVEN-1854
> Project: Maven 1
> Issue Type: Bug
> Affects Versions: 1.1
> Reporter: Zurk Tech
>
> maven-1.1/bin/maven
> __ __
> | \/ |__ _Apache__ ___
> | |\/| / _` \ V / -_) ' \ ~ intelligent projects ~
> |_| |_\__,_|\_/\___|_||_| v. 1.1
> -------------------------------------------------------------------------------
> You have encountered an unknown error running Maven.
> Please help us to correct this problem by following these simple steps:
> - read the Maven FAQ at http://maven.apache.org/maven-1.x/faq.html
> - run the same command again with the '-e' parameter, eg 'maven -e jar'
> - search the maven-user archives for the error at
> http://www.mail-archive.com/[EMAIL PROTECTED]
> - post the output of maven -e to JIRA at
> http://jira.codehaus.org/browse/MAVEN (you must sign up first)
> - run 'maven --info' and post the output as the environment to the bug above
> -------------------------------------------------------------------------------
> >> org.apache.tools.ant.taskdefs.condition.Os.isFamily(Ljava/lang/String;)Z
> -------------------------------------------------------------------------------
> BUILD FAILED
> -------------------------------------------------------------------------------
> Total time : 0 seconds
> Finished at : Monday, November 12, 2007 12:06:39 PM EST
> Final Memory : 1M/4M
> -------------------------------------------------------------------------------
> maven-1.1/bin/maven -e
> __ __
> | \/ |__ _Apache__ ___
> | |\/| / _` \ V / -_) ' \ ~ intelligent projects ~
> |_| |_\__,_|\_/\___|_||_| v. 1.1
> -------------------------------------------------------------------------------
> You have encountered an unknown error running Maven.
> Please help us to correct this problem by following these simple steps:
> - read the Maven FAQ at http://maven.apache.org/maven-1.x/faq.html
> - run the same command again with the '-e' parameter, eg 'maven -e jar'
> - search the maven-user archives for the error at
> http://www.mail-archive.com/[EMAIL PROTECTED]
> - post the output of maven -e to JIRA at
> http://jira.codehaus.org/browse/MAVEN (you must sign up first)
> - run 'maven --info' and post the output as the environment to the bug above
> -------------------------------------------------------------------------------
> Errors stack :
> >> org.apache.tools.ant.taskdefs.condition.Os.isFamily(Ljava/lang/String;)Z
> Exception stack traces :
> java.lang.NoSuchMethodError:
> org.apache.tools.ant.taskdefs.condition.Os.isFamily(Ljava/lang/String;)Z
> at
> org.apache.tools.ant.util.JavaEnvUtils.<clinit>(JavaEnvUtils.java:35)
> at
> org.apache.commons.jelly.tags.ant.DefaultPropsHandler.setJavaVersionProperty(DefaultPropsHandler.java:197)
> at
> org.apache.commons.jelly.tags.ant.GrantProject.setJavaVersionProperty(GrantProject.java:205)
> at org.apache.tools.ant.Project.init(Project.java:160)
> at org.apache.maven.AntProjectBuilder.build(AntProjectBuilder.java:50)
> at
> org.apache.maven.plugin.PluginManager.attainGoals(PluginManager.java:575)
> at org.apache.maven.MavenSession.attainGoals(MavenSession.java:265)
> at org.apache.maven.cli.App.doMain(App.java:307)
> at org.apache.maven.cli.App.main(App.java:217)
> 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:597)
> at com.werken.forehead.Forehead.run(Forehead.java:551)
> at com.werken.forehead.Forehead.main(Forehead.java:581)
> -------------------------------------------------------------------------------
> BUILD FAILED
> -------------------------------------------------------------------------------
> Total time : 0 seconds
> Finished at : Monday, November 12, 2007 12:10:09 PM EST
> Final Memory : 1M/4M
> -------------------------------------------------------------------------------
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