UniversalConnectionPoolManagerMBean Already exists after running the re application

When I deploy application.war that has a servlet in it on my web server, it works fine. It uses an instance UniversalConnectionPoolManagerMBeanand starts normally.

In the administration console, I use stop when the command completes, and in my method destroy()it calls:

UniversalConnectionPoolManagerImpl.getUniversalConnectionPoolManager()
                .startConnectionPool(mConnectionPoolName);

When I click on the “Start request service” button in the admin console, I get this exception:

 java.sql.SQLException: Unable to start the Universal Connection Pool: java.sql.SQLException: Unable to start the Universal Connection Pool: oracle.ucp.UniversalConnectionPoolException: MBean exception occurred while registering or unregistering the MBean
at com.exzac.dal.jdbc.Database.getConnection(Database.java:134)
at com.exzac.dal.jdbc.Database.executeQuery(Database.java:161)
at com.exzac.profilesystem.ProfileSystemConfiguration.retrieveConfigurationTable(ProfileSystemConfiguration.java:214)
... 49 more
Caused by: java.sql.SQLException: Unable to start the Universal Connection Pool:     java.sql.SQLException: Unable to start the Universal Connection Pool: oracle.ucp.UniversalConnectionPoolException: MBean exception occurred while registering or unregistering the MBean
at oracle.ucp.util.UCPErrorHandler.newSQLException(UCPErrorHandler.java:541)
at oracle.ucp.jdbc.PoolDataSourceImpl.throwSQLException(PoolDataSourceImpl.java:587)
at oracle.ucp.jdbc.PoolDataSourceImpl.startPool(PoolDataSourceImpl.java:276)
at oracle.ucp.jdbc.PoolDataSourceImpl.getConnection(PoolDataSourceImpl.java:646)
at oracle.ucp.jdbc.PoolDataSourceImpl.getConnection(PoolDataSourceImpl.java:613)
at oracle.ucp.jdbc.PoolDataSourceImpl.getConnection(PoolDataSourceImpl.java:607)
at com.exzac.dal.jdbc.Database.getConnection(Database.java:132)
... 51 more
 Caused by: java.sql.SQLException: Unable to start the Universal Connection Pool: oracle.ucp.UniversalConnectionPoolException: MBean exception occurred while registering or unregistering the MBean
at oracle.ucp.util.UCPErrorHandler.newSQLException(UCPErrorHandler.java:541)
at oracle.ucp.jdbc.PoolDataSourceImpl.throwSQLException(PoolDataSourceImpl.java:587)
at oracle.ucp.jdbc.PoolDataSourceImpl.startPool(PoolDataSourceImpl.java:247)
... 55 more
 Caused by: oracle.ucp.UniversalConnectionPoolException: MBean exception occurred while registering or unregistering the MBean
at oracle.ucp.util.UCPErrorHandler.newUniversalConnectionPoolException(UCPErrorHandler.java:421)
at oracle.ucp.util.UCPErrorHandler.newUniversalConnectionPoolException(UCPErrorHandler.java:389)
at oracle.ucp.admin.UniversalConnectionPoolManagerMBeanImpl.getUniversalConnectionPoolManagerMBean(UniversalConnectionPoolManagerMBeanImpl.java:149)
at oracle.ucp.jdbc.PoolDataSourceImpl.startPool(PoolDataSourceImpl.java:242)
... 55 more
 Caused by: java.security.PrivilegedActionException: javax.management.InstanceAlreadyExistsException: oracle.ucp.admin:name=UniversalConnectionPoolManagerMBean
at java.security.AccessController.doPrivileged(Native Method)
at oracle.ucp.admin.UniversalConnectionPoolManagerMBeanImpl.getUniversalConnectionPoolManagerMBean(UniversalConnectionPoolManagerMBeanImpl.java:136)
... 56 more
 Caused by: javax.management.InstanceAlreadyExistsException: oracle.ucp.admin:name=UniversalConnectionPoolManagerMBean
at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:453)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.internal_addObject(DefaultMBeanServerInterceptor.java:1484)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:963)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:917)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:312)
at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:482)
at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase$27.run(WLSMBeanServerInterceptorBase.java:714)
at java.security.AccessController.doPrivileged(Native Method)
at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase.registerMBean(WLSMBeanServerInterceptorBase.java:709)
at weblogic.management.mbeanservers.internal.JMXContextInterceptor.registerMBean(JMXContextInterceptor.java:448)
at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase$27.run(WLSMBeanServerInterceptorBase.java:712)
at java.security.AccessController.doPrivileged(Native Method)
at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase.registerMBean(WLSMBeanServerInterceptorBase.java:709)
at weblogic.management.jmx.mbeanserver.WLSMBeanServer.registerMBean(WLSMBeanServer.java:462)
at oracle.ucp.admin.UniversalConnectionPoolManagerMBeanImpl$2.run(UniversalConnectionPoolManagerMBeanImpl.java:142)
... 58 more

, , . , . , destroy, , UniversalConnectionPoolManagerMBean, , destroyConnectionPool : http://docs.oracle.com/cd/B28359_01/java.111/e11990/oracle/ucp/admin/UniversalConnectionPoolManagerMBean.html#destroyConnectionPool_java_lang_String_

- , , UniversalConnectionPoolManagerMBean? , ,

, ( , ) : - , :

 try {
     UniversalConnectionPoolManagerImpl.getUniversalConnectionPoolManager().destroyConnectionPool(mConnectionPoolName);
     } catch (final Exception e1) {
     LOGGER.error(e1);

     } 

, , connectionPool , . javax.management.InstanceAlreadyExistsException: oracle.ucp.admin:name=UniversalConnectionPoolManagerMBean

+5
2
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Oracle 11.2.0.4 UCP.jar README.txt.

11.2.0.4

16805157 UniversalConnectionPoolManagerMBean          , , UCP          JVM

javax.management.InstanceAlreadyExistsException, . InstanceAlreadyExistsException. , , , MBean, .

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