Hello guys, when I want to compile my project, there is always thrown an exception, that the plugin cannot be verified.
I tried to compile the project with mvn -e gwt:gwt. The pom looks the following. <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0"; xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd";> <modelVersion>4.0.0</modelVersion> <groupId>com.foo.Bar</groupId> <artifactId>foo-bar</artifactId> <packaging>war</packaging> <version>1.0-SNAPSHOT</version> <name>foo-bar</name> <url>http://joepoe.blogspot.com/</url> <repositories> <repository> <id>gwt-maven</id> <url>http://gwt-maven.googlecode.com/svn/trunk/mavenrepo/</url> </repository> </repositories> <pluginRepositories> <pluginRepository> <id>gwt-maven</id> <url>http://gwt-maven.googlecode.com/svn/trunk/mavenrepo/</url> </pluginRepository> <pluginRepository> <id>internal</id> <url>http://build-1.rack.sourcelabs.com/repos/internal/</url> </pluginRepository> </pluginRepositories> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <dependency> <groupId>com.google.gwt</groupId> <artifactId>gwt-user</artifactId> <version>1.5.2</version> <scope>provided</scope> </dependency> <dependency> <groupId>com.google.gwt</groupId> <artifactId>gwt-servlet</artifactId> <version>1.5.2</version> <scope>runtime</scope> </dependency> <dependency> <groupId>com.googlecode.gwtx</groupId> <artifactId>GWTx</artifactId> <version>20070605</version> </dependency> </dependencies> <profiles> <profile> <profile> <id>gwt-1.5.2-windows</id> <activation> <os> <family>windows</family> </os> </activation> <properties> <google.webtoolkit.home>${env.GWT_HOME}/gwt-windows-1.5.2 </google.webtoolkit.home> </properties> <dependencies> <dependency> <groupId>com.google.gwt</groupId> <artifactId>gwt-dev-windows</artifactId> <version>1.5.2</version> <scope>system</scope> <systemPath>${google.webtoolkit.home}/gwt-dev-windows.jar</systemPath> </dependency> </dependencies> </profile> </profiles> <build> <finalName>foo-bar</finalName> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>2.0</version> <configuration> <source>1.5</source> <target>1.5</target> </configuration> </plugin> <plugin> <groupId>com.totsp.gwt</groupId> <artifactId>maven-googlewebtoolkit2-plugin</artifactId> <configuration> <logLevel>INFO</logLevel> <runTarget>com.foo.Bar/Bar.html</runTarget> <style>OBF</style> <noServer>true</noServer> <port>8080</port> <!-- <debugPort>8000</debugPort> --> <!-- <contextXml>src/main/webapp/META-INF/context.xml</contextXml> --> <!-- <webXml>/src/main/webapp/WEB-INF/web.xml</webXml> --> <!-- <tomcat>../apps/apache-tomcat-6.0.14</tomcat> --> <compileTargets> <param>com.foo.Bar</param> </compileTargets> </configuration> <executions> <execution> <goals> <!--<goal>generateClientBeans</goal>--> <goal>mergewebxml</goal> <goal>compile</goal> <goal>testGwt</goal> </goals> </execution> </executions> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-war-plugin</artifactId> <version>2.0</version> <configuration> <webXml>target/web.xml</webXml> </configuration> </plugin> </plugins> </build> </project> Do you know how it will compile? The tracktraces you can see here: + Error stacktraces are turned on. [INFO] Scanning for projects... [INFO] Searching repository for plugin with prefix: 'gwt'. [WARNING] Cannot resolve plugin-mapping metadata for groupId: org.apache.maven.plugins - IGNORING. [WARNING] Cannot resolve plugin-mapping metadata for groupId: org.codehaus.mojo - IGNORING. [INFO] ------------------------------------------------------------------------ [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] Error building POM (may not be this project's POM). Project ID: org.apache.maven.plugins:maven-compiler-plugin POM Location: C:\Users\I056462\.m2\repository\org\apache\maven\plugins\maven-compiler-plugin\2.0\maven-compiler-plugin-2.0.pom Reason: Not a v4.0.0 POM. for project org.apache.maven.plugins:maven-compiler-plugin at C:\Users\I056462\.m2\repository\org\apache\maven\plugins\maven-compiler-plugin\2.0\maven-compiler-plugin-2.0.pom [INFO] ------------------------------------------------------------------------ [INFO] Trace org.apache.maven.lifecycle.LifecycleExecutionException: Unable to build project for plugin 'org.apache.maven.plugins:maven-compiler-plugin': Not a v4.0.0 POM. for project org.apache.maven.plugins:maven-compiler-plugin at C:\Users\I056462\.m2\repository\org\apache\maven\plugins\maven-compiler-plugin\2.0\maven-compiler-plugin-2.0.pom at org.apache.maven.lifecycle.DefaultLifecycleExecutor.verifyPlugin(DefaultLifecycleExecutor.java:1291) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(DefaultLifecycleExecutor.java:1486) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.segmentTaskListBy AggregationNeeds(DefaultLifecycleExecutor.java:405) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:137) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:336) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129) at org.apache.maven.cli.MavenCli.main(MavenCli.java:287) 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 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.plugin.InvalidPluginException: Unable to build project for plugin 'org.apache.maven.plugins:maven-compiler-plugin': Not a v4.0.0 POM. for project org.apache.maven.plugins:maven-compiler-plugin at C:\Users\user\.m\repository\org\apache\maven\plugins\maven-compiler-plugin\2.0\maven-compiler-plugin-2.0.pom at org.apache.maven.plugin.DefaultPluginManager.checkRequiredMavenVersion(DefaultPluginManager.java:281) at org.apache.maven.plugin.DefaultPluginManager.verifyVersionedPlugin(DefaultPluginManager.java:197) at org.apache.maven.plugin.DefaultPluginManager.verifyPlugin(DefaultPluginManager.java:176) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.verifyPlugin(DefaultLifecycleExecutor.java:1274) ... 14 more Caused by: org.apache.maven.project.InvalidProjectModelException: Not a v4.0.0 POM. for project org.apache.maven.plugins:maven-compiler-plugin at C:\Users\I0564 62\.m2\repository\org\apache\maven\plugins\maven-compiler-plugin\2.0\maven-compi ler-plugin-2.0.pom at org.apache.maven.project.DefaultMavenProjectBuilder.readModel(DefaultMavenProjectBuilder.java:1581) at org.apache.maven.project.DefaultMavenProjectBuilder.readModel(DefaultMavenProjectBuilder.java:1553) at org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepository(DefaultMavenProjectBuilder.java:560) at org.apache.maven.project.DefaultMavenProjectBuilder.buildFromRepository(DefaultMavenProjectBuilder.java:249) at org.apache.maven.plugin.DefaultPluginManager.checkRequiredMavenVersion(DefaultPluginManager.java:265) ... 17 more [INFO] ------------------------------------------------------------------------ [INFO] Total time: < 1 second [INFO] Finished at: Mon Oct 13 22:02:29 EST 2008 [INFO] Final Memory: 1M/254M [INFO] ------------------------------------------------------------------------ -- Der GMX SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen! 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