任何人都从Apache JackRabbit那里得到这个例外吗？ 在RHEL 6 Linux上发生此异常。
ERROR RepositoryImpl:393 - In addition to startup fail, another unexpected problem occurred while shutting down the repository again.
java.lang.NullPointerException
at org.apache.jackrabbit.core.RepositoryImpl.doShutdown(RepositoryImpl.java:1141)
at org.apache.jackrabbit.core.RepositoryImpl.shutdown(RepositoryImpl.java:1065)
at org.apache.jackrabbit.core.RepositoryImpl.<init>(RepositoryImpl.java:389)
at org.apache.jackrabbit.core.RepositoryImpl.create(RepositoryImpl.java:605)
at org.apache.jackrabbit.core.TransientRepository$1.getRepository(TransientRepository.java:180)
at org.apache.jackrabbit.core.TransientRepository.startRepository(TransientRepository.java:280)
at org.apache.jackrabbit.core.TransientRepository.login(TransientRepository.java:376)
at org.apache.jackrabbit.commons.AbstractRepository.login(AbstractRepository.java:123)
Exception in thread java.lang.NoClassDefFoundError: org/apache/commons/pool/impl/GenericObjectPool
at org.apache.jackrabbit.core.util.db.ConnectionFactory.getDriverDataSource(ConnectionFactory.java:312)
at org.apache.jackrabbit.core.util.db.ConnectionFactory.createDataSource(ConnectionFactory.java:240)
at org.apache.jackrabbit.core.util.db.ConnectionFactory.getDataSource(ConnectionFactory.java:166)
at org.apache.jackrabbit.core.fs.db.DbFileSystem.getDataSource(DbFileSystem.java:226)
at org.apache.jackrabbit.core.fs.db.DatabaseFileSystem.init(DatabaseFileSystem.java:190)
at org.apache.jackrabbit.core.config.RepositoryConfigurationParser$6.getFileSystem(RepositoryConfigurationParser.java:1057)
at org.apache.jackrabbit.core.config.RepositoryConfig.getFileSystem(RepositoryConfig.java:911)
at org.apache.jackrabbit.core.RepositoryImpl.<init>(RepositoryImpl.java:285)
at org.apache.jackrabbit.core.RepositoryImpl.create(RepositoryImpl.java:605)
at org.apache.jackrabbit.core.TransientRepository$1.getRepository(TransientRepository.java:180)
at org.apache.jackrabbit.core.TransientRepository.startRepository(TransientRepository.java:280)
at org.apache.jackrabbit.core.TransientRepository.login(TransientRepository.java:376)
at org.apache.jackrabbit.commons.AbstractRepository.login(AbstractRepository.java:123)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.pool.impl.GenericObjectPool
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
... 20 more