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Posted to users@maven.apache.org by hujirong <ji...@gmail.com> on 2012/04/27 02:54:22 UTC

Caused by: java.lang.ClassNotFoundException: GenericObjectPool

How to fix this error?

Thanks
Jirong

[INFO] Surefire report directory:
C:\Sandbox\MDM-CDIServiceMgmt\CdiInitiateService\target\surefire-reports
java.lang.reflect.UndeclaredThrowableException
        at $Proxy0.invoke(Unknown Source)
        at
org.apache.maven.surefire.booter.SurefireStarter.invokeProvider(SurefireStarter.java:150)
        at
org.apache.maven.surefire.booter.SurefireStarter.runSuitesInProcess(SurefireStarter.java:91)
        at
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:69)
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
        at java.lang.reflect.Method.invoke(Method.java:611)
        at
org.apache.maven.surefire.booter.ProviderFactory$ClassLoaderProxy.invoke(ProviderFactory.java:103)
        ... 4 more
Caused by: java.lang.NoClassDefFoundError: GenericObjectPool
        at java.lang.ClassLoader.defineClass(ClassLoader.java:275)
        at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:69)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:540)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:451)
        at java.net.URLClassLoader.access$300(URLClassLoader.java:79)
        at java.net.URLClassLoader$ClassFinder.run(URLClassLoader.java:1038)
        at
java.security.AccessController.doPrivileged(AccessController.java:284)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:429)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:653)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:358)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:619)
        at java.lang.Class.getDeclaredMethodsImpl(Native Method)
        at java.lang.Class.getDeclaredMethods(Class.java:680)
        at
org.apache.maven.surefire.common.junit4.JUnit4TestChecker.checkforTestAnnotatedMethod(JUnit4TestChecker.java:83)
        at
org.apache.maven.surefire.common.junit4.JUnit4TestChecker.isValidJUnit4Test(JUnit4TestChecker.java:72)
        at
org.apache.maven.surefire.common.junit4.JUnit4TestChecker.accept(JUnit4TestChecker.java:52)
        at
org.apache.maven.surefire.util.DefaultDirectoryScanner.locateTestClasses(DefaultDirectoryScanner.java:80)
        at
org.apache.maven.surefire.junit4.JUnit4Provider.scanClassPath(JUnit4Provider.java:164)
        at
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:86)
        ... 9 more
Caused by: java.lang.ClassNotFoundException: GenericObjectPool
        at java.net.URLClassLoader.findClass(URLClassLoader.java:434)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:653)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:358)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:619)
        at java.lang.ClassLoader.defineClassImpl(Native Method)
        ... 28 more

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Re: Caused by: java.lang.ClassNotFoundException: GenericObjectPool

Posted by Wayne Fay <wa...@gmail.com>.
> Caused by: java.lang.ClassNotFoundException: GenericObjectPool
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:434)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:653)
>         at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:358)

1. Identify the class causing a problem. You already did this: GenericObjectPool
2. Identify the section of your code which is utilizing this class (in
your main code or test code).
3. Adjust dependencies as needed so this class is included in your project.

You probably have a reference in your code like
Class.forName(GenericObjectPool) in your test source code which is
causing troubles at runtime.

Wayne

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