Hello All,

I am new to Hibernate i am writing a standalone application to update the data in the data base using hibernate.
And i am able to update the database with my code
but the log file shows some exception
i want to know what could be the reason for this
2010-11-16 15:18:40,940 WARN ActiveManagementCoordinator:Failed to set up C3P0RegistryManager mBean. [c3p0 will still function normally, but management via JMX may not be possible.]
[java] java.security.AccessControlException: access denied ("javax.management.MBeanTrustPermission" "register") [java] at java.security.AccessControlContext.checkPermission(AccessControlContext.java:345)
[java] at java.lang.SecurityManager.checkPermission(SecurityManager.java:585)
[java] at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.checkMBeanTrustPermission(DefaultMBeanServerInterceptor.java:1848)
[java] at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:322)
[java] at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:512)
[java] at com.mchange.v2.c3p0.management.ActiveManagementCoordinator.attemptManageC3P0Registry(ActiveManagementCoordinator.java:64)
[java] at com.mchange.v2.c3p0.C3P0Registry.attemptRegisterRegistryMBean(C3P0Registry.java:217)
[java] at com.mchange.v2.c3p0.C3P0Registry.reregister(C3P0Registry.java:242)
[java] at com.mchange.v2.c3p0.impl.PoolBackedDataSourceBase.<init>(PoolBackedDataSourceBase.java:228)
[java] at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.<init>(AbstractPoolBackedDataSource.java:62)
[java] at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.<init>(AbstractPoolBackedDataSource.java:68)
[java] at com.mchange.v2.c3p0.PoolBackedDataSource.<init>(PoolBackedDataSource.java:37)
[java] at com.mchange.v2.c3p0.DataSources.pooledDataSource(DataSources.java:267)
[java] at com.mchange.v2.c3p0.DataSources.pooledDataSource(DataSources.java:316)
[java] at org.hibernate.connection.C3P0ConnectionProvider.configure(C3P0ConnectionProvider.java:181)
[java] at org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:137)
[java] at org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:79)
[java] at org.hibernate.cfg.SettingsFactory.createConnectionProvider(SettingsFactory.java:430)
[java] at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:89)
[java] at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2119)
[java] at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2115)
[java] at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1339)
[java] at com.manning.hq.ch04.HibernateFactory.buildSessionFactory(Unknown Source)
[java] at com.manning.hq.ch04.EventLoader2.main(Unknown Source)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[java] at java.lang.reflect.Method.invoke(Method.java:613)
[java] at org.apache.tools.ant.taskdefs.ExecuteJava.run(ExecuteJava.java:217)
[java] at org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:152)
[java] at org.apache.tools.ant.taskdefs.Java.run(Java.java:771)
[java] at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:221)
[java] at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:135)
[java] at org.apache.tools.ant.taskdefs.Java.execute(Java.java:108)
[java] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[java] at java.lang.reflect.Method.invoke(Method.java:613)
[java] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
[java] at org.apache.tools.ant.Task.perform(Task.java:348)
[java] at org.apache.tools.ant.Target.execute(Target.java:390)
[java] at org.apache.tools.ant.Target.performTasks(Target.java:411)
[java] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1397)
[java] at org.apache.tools.ant.Project.executeTarget(Project.java:1366)
[java] at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
[java] at org.apache.tools.ant.Project.executeTargets(Project.java:1249)
[java] at org.apache.tools.ant.Main.runBuild(Main.java:801)
[java] at org.apache.tools.ant.Main.startAnt(Main.java:218)
[java] at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
[java] at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)