Mvn version output:

Apache Maven 3.0-beta-2 (r983206; 2010-08-07 07:00:51-0400)
Java version: 1.5.0_18
Java home: C:\Program Files (x86)\Java\jdk1.5.0_18\jre
Default locale: en_US, platform encoding: Cp1252
OS name: "windows xp" version: "5.2" arch: "x86" Family: "windows"
'cmd' is not recognized as an internal or external command,
operable program or batch file.

Plugin Config:

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-enforcer-plugin</artifactId>
    <version>1.0-beta-1</version>
    <executions>
      <execution>
        <id>enforce-versions</id>
        <goals>
          <goal>enforce</goal>
        </goals>
        <configuration>
          <rules>
            <requireJavaVersion>
              <version>[1.5.0_18,)</version>
              <message>[ERROR] The currently supported version of java is 
1.5.0_18 or higher</message>
            </requireJavaVersion>
          </rules>
        </configuration>
      </execution>
    </executions>
  </plugin>

Stacktraces:

[DEBUG] =======================================================================
[INFO]
[INFO] --- maven-enforcer-plugin:1.0-beta-1:enforce (enforce-versions) @ <foo> 
---
[DEBUG] Created new class realm 
plugin>org.apache.maven.plugins:maven-enforcer-plugin:1.0-beta-1
[DEBUG] Created new class realm maven.api
[DEBUG] Populating class realm 
plugin>org.apache.maven.plugins:maven-enforcer-plugin:1.0-beta-1
[DEBUG]   Included: 
org.apache.maven.plugins:maven-enforcer-plugin:maven-plugin:1.0-beta-1
[DEBUG]   Included: org.codehaus.plexus:plexus-utils:jar:1.5.8
[DEBUG]   Included: org.apache.maven.reporting:maven-reporting-api:jar:2.0.9
[DEBUG]   Included: org.apache.maven.doxia:doxia-sink-api:jar:1.0-alpha-10
[DEBUG]   Included: commons-cli:commons-cli:jar:1.0
[DEBUG]   Included: org.codehaus.plexus:plexus-interactivity-api:jar:1.0-alpha-4
[DEBUG]   Included: commons-lang:commons-lang:jar:2.3
[DEBUG]   Included: org.apache.maven.enforcer:enforcer-api:jar:1.0-beta-1
[DEBUG]   Included: org.apache.maven.enforcer:enforcer-rules:jar:1.0-beta-1
[DEBUG]   Included: org.beanshell:bsh:jar:2.0b4
[DEBUG]   Excluded: org.apache.maven:maven-artifact:jar:2.0.9
[DEBUG]   Excluded: org.apache.maven:maven-plugin-api:jar:2.0.9
[DEBUG]   Excluded: org.apache.maven:maven-project:jar:2.0.9
[DEBUG]   Excluded: org.apache.maven:maven-settings:jar:2.0.9
[DEBUG]   Excluded: org.apache.maven:maven-model:jar:2.0.9
[DEBUG]   Excluded: 
org.codehaus.plexus:plexus-container-default:jar:1.0-alpha-9-stable-1
[DEBUG]   Excluded: classworlds:classworlds:jar:1.1
[DEBUG]   Excluded: org.apache.maven:maven-profile:jar:2.0.9
[DEBUG]   Excluded: org.apache.maven:maven-artifact-manager:jar:2.0.9
[DEBUG]   Excluded: org.apache.maven:maven-repository-metadata:jar:2.0.9
[DEBUG]   Excluded: org.apache.maven:maven-plugin-registry:jar:2.0.9
[DEBUG]   Excluded: org.apache.maven:maven-core:jar:2.0.9
[DEBUG]   Excluded: org.apache.maven:maven-plugin-parameter-documenter:jar:2.0.9
[DEBUG]   Excluded: org.apache.maven:maven-error-diagnostics:jar:2.0.9
[DEBUG]   Excluded: org.apache.maven:maven-plugin-descriptor:jar:2.0.9
[DEBUG]   Excluded: org.apache.maven:maven-monitor:jar:2.0.9
[DEBUG] Configuring mojo 
org.apache.maven.plugins:maven-enforcer-plugin:1.0-beta-1:enforce from plugin 
realm ClassRealm[plugin>org
.apache.maven.plugins:maven-enforcer-plugin:1.0-beta-1, parent: 
ClassRealm[maven.api, parent: null]]
[DEBUG] Configuring mojo 
'org.apache.maven.plugins:maven-enforcer-plugin:1.0-beta-1:enforce' with basic 
configurator -->
[DEBUG]   (s) fail = true
[DEBUG]   (s) failFast = false
[DEBUG]   (f) ignoreCache = false
[DEBUG]   (s) project = MavenProject: <foo> @ <foo>
[DEBUG]   (s) version = [1.5.0_18,)
[DEBUG]   (f) message = [ERROR] The currently supported version of java is 
1.5.0_18 or higher
[DEBUG]   (s) rules = 
[org.apache.maven.plugins.enforcer.requirejavavers...@d72200]
[DEBUG]   (s) session = org.apache.maven.execution.mavensess...@1a80aea
[DEBUG]   (s) skip = false
[DEBUG] -- end configuration --
[DEBUG] Executing rule: org.apache.maven.plugins.enforcer.RequireJavaVersion
[DEBUG] Rule org.apache.maven.plugins.enforcer.RequireJavaVersion is cacheable.
[DEBUG] Detected Java String: 1.5.0_18
[DEBUG] Normalized Java String: 1.5.0-18
[DEBUG] Parsed Version: Major: 1 Minor: 5 Incremental: 0 Build: 18 Qualifier: 
null
[DEBUG] Adding failure due to exception
org.apache.maven.enforcer.rule.api.EnforcerRuleException: [ERROR] The currently 
supported version of java is 1.5.0_18 or higher
        at 
org.apache.maven.plugins.enforcer.AbstractVersionEnforcer.enforceVersion(AbstractVersionEnforcer.java:101)
        at 
org.apache.maven.plugins.enforcer.RequireJavaVersion.execute(RequireJavaVersion.java:65)
        at 
org.apache.maven.plugins.enforcer.EnforceMojo.execute(EnforceMojo.java:185)
        at 
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:144)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:87)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:79)
        at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:86)
        at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:58)
        at 
org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
        at 
org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:252)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:100)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:443)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:166)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:130)
        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.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
        at 
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
        at 
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
        at 
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
[WARNING] Rule 0: org.apache.maven.plugins.enforcer.RequireJavaVersion failed 
with message:
[ERROR] The currently supported version of java is 1.5.0_18 or higher
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.953s
[INFO] Finished at: Wed Aug 18 10:05:56 EDT 2010
[INFO] Final Memory: 3M/508M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-enforcer-plugin:1.0-beta-1:enforce 
(enforce-versions) on project <foo>: Some Enforcer rules have failed. Look 
above for specific messages explaining why the rule failed. -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal 
org.apache.maven.plugins:maven-enforcer-plugin:1.0-
beta-1:enforce (enforce-versions) on project <foo>: Some Enforcer rules have 
failed. Look above for specific messages exp
laining why the rule failed.
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:152)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:87)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:79)
        at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:86)
        at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:58)
        at 
org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
        at 
org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:252)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:100)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:443)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:166)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:130)
        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.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
        at 
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
        at 
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
        at 
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: org.apache.maven.plugin.MojoExecutionException: Some Enforcer rules 
have failed. Look above for specific messages expla
ining why the rule failed.
        at 
org.apache.maven.plugins.enforcer.EnforceMojo.execute(EnforceMojo.java:218)
        at 
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:144)
        ... 19 more
[ERROR]
[ERROR]
[ERROR] For more information about the errors and possible solutions, please 
read the following articles:
[ERROR] [Help 1] 
http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
'cmd' is not recognized as an internal or external command,

-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Baptiste MATHUS
Sent: Wednesday, August 18, 2010 8:56 AM
To: Maven Users List
Subject: Re: maven 3 and the enforcer plugin

Le 16 août 2010 19:21:14 UTC+2, EJ Ciramella <[email protected]> a
écrit :

> Hello list -
>
> I've noticed during upgrade testing that maven 3 and the enforcer plugin
> (1.0-beta-1) is starting to fail a jdk enforcement test.
>
> I've set it up to accept 1.5.0_18 and beyond (nothing earlier) but now it's
> failing even though I'm running that exact jdk.
>

Did you try running mvn -X or -e ? This will print stack trace and provide
you with more informations. Please post this output here.

Cheers
--
Baptiste <Batmat> MATHUS - http://batmat.net
Sauvez un arbre,
Mangez un castor !

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