I don't think anyone has worked on the monitoring plugin in geronimo 3 yet, so errors are not surprising.
I'm not sure how error could occur in an osgi environment. Is it possible there is a servlet 2.5 jar resolved? Or possibly the maven classloader has loaded this class but we aren't exporting it into the framework? thanks david jencks On Sep 25, 2010, at 10:48 PM, 王广哲 wrote: > When building the monitoring/monitoring-tomcat,meet the following error: > [FATAL ERROR] Container realm = plexus.core > urls[0] = file:/opt/apache-maven-2.2.1/lib/maven-2.2.1-uber.jar > [INFO] > ------------------------------------------------------------------------ > [ERROR] FATAL ERROR > [INFO] > ------------------------------------------------------------------------ > [INFO] loader constraint violation: loader (instance of > org/apache/felix/framework/ModuleImpl$ModuleClassLoader) previously initiated > loading for a different type with name "javax/servlet/http/HttpServletRequest" > [INFO] > ------------------------------------------------------------------------ > [INFO] Trace > java.lang.LinkageError: loader constraint violation: loader (instance of > org/apache/felix/framework/ModuleImpl$ModuleClassLoader) previously initiated > loading for a different type with name "javax/servlet/http/HttpServletRequest" > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632) > at java.lang.ClassLoader.defineClass(ClassLoader.java:616) > at > org.apache.felix.framework.ModuleImpl$ModuleClassLoader.findClass(ModuleImpl.java:1829) > at > org.apache.felix.framework.ModuleImpl.findClassOrResourceByDelegation(ModuleImpl.java:716) > at org.apache.felix.framework.ModuleImpl.access$200(ModuleImpl.java:73) > at > org.apache.felix.framework.ModuleImpl$ModuleClassLoader.loadClass(ModuleImpl.java:1690) > at java.lang.ClassLoader.loadClass(ClassLoader.java:248) > at java.lang.Class.getDeclaredMethods0(Native Method) > at java.lang.Class.privateGetDeclaredMethods(Class.java:2427) > at java.lang.Class.getDeclaredMethods(Class.java:1791) > at org.apache.xbean.finder.ClassFinder.<init>(ClassFinder.java:149) > at > org.apache.geronimo.web25.deployment.AbstractWebModuleBuilder.createWebAppClassFinder(AbstractWebModuleBuilder.java:645) > at > org.apache.geronimo.web25.deployment.AbstractWebModuleBuilder.configureBasicWebModuleAttributes(AbstractWebModuleBuilder.java:667) > at > org.apache.geronimo.tomcat.deployment.TomcatModuleBuilder.addGBeans(TomcatModuleBuilder.java:437) > at > org.apache.geronimo.j2ee.deployment.SwitchingModuleBuilder.addGBeans(SwitchingModuleBuilder.java:174) > at > org.apache.geronimo.j2ee.deployment.EARConfigBuilder.buildConfiguration(EARConfigBuilder.java:704) > at org.apache.geronimo.deployment.Deployer.deploy(Deployer.java:250) > 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.apache.geronimo.gbean.runtime.ReflectionMethodInvoker.invoke(ReflectionMethodInvoker.java:34) > at > org.apache.geronimo.gbean.runtime.GBeanOperation.invoke(GBeanOperation.java:131) > at > org.apache.geronimo.gbean.runtime.GBeanInstance.invoke(GBeanInstance.java:872) > at org.apache.geronimo.kernel.basic.BasicKernel.invoke(BasicKernel.java:245) > at > org.apache.geronimo.mavenplugins.car.PackageMojo.invokeDeployer(PackageMojo.java:560) > at > org.apache.geronimo.mavenplugins.car.PackageMojo.buildPackage(PackageMojo.java:376) > at > org.apache.geronimo.mavenplugins.car.PackageMojo.execute(PackageMojo.java:243) > at > org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180) > at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328) > at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138) > at org.apache.maven.cli.MavenCli.main(MavenCli.java:362) > at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60) > 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)
