你是ejb高手吗?是,请进
wlthn 2002-08-31 01:15:06 javax.ejb.EJBException: nested exception is: java.sql.SQLException: Connection refused to host: wangzhiguo; nested exception is:
java.net.ConnectException: Connection refused: connect
java.sql.SQLException: Connection refused to host: wangzhiguo; nested exception is:
java.net.ConnectException: Connection refused: connect
at RmiJdbc.RJDriver.connect(RJDriver.java:156)
at java.sql.DriverManager.getConnection(DriverManager.java:512)
at java.sql.DriverManager.getConnection(DriverManager.java:140)
at COM.cloudscape.core.RmiJdbcDriver.connect(Unknown Source)
at java.sql.DriverManager.getConnection(DriverManager.java:512)
at java.sql.DriverManager.getConnection(DriverManager.java:171)
at com.sun.enterprise.resource.JdbcUrlAllocator.createResource(JdbcUrlAllocator.java:45)
at com.sun.enterprise.resource.PoolManagerImpl.getResourceFromPool(PoolManagerImpl.java:177)
at com.sun.enterprise.resource.JdbcXAConnection.<init>(JdbcXAConnection.java:56)
at com.sun.enterprise.resource.SystemJdbc10XaAllocator.createResource(SystemJdbc10XaAllocator.java:37)
at com.sun.enterprise.resource.PoolManagerImpl.getResourceFromPool(PoolManagerImpl.java:177)
at com.sun.enterprise.resource.SystemJdbcDataSource.internalGetConnection(SystemJdbcDataSource.java:72)
at com.sun.enterprise.resource.SystemJdbcDataSource.getConnection(SystemJdbcDataSource.java:50)
at com.sun.ejb.persistence.PersistenceManagerImpl.getConnection(PersistenceManagerImpl.java:588)
at com.sun.ejb.persistence.PersistenceManagerImpl.getConnection(PersistenceManagerImpl.java:573)
at com.sun.ejb.persistence.PMDeployerImpl.createTable(PMDeployerImpl.java:201)
at com.sun.ejb.persistence.PMDeployerImpl.ejbJarDeployed(PMDeployerImpl.java:68)
at com.sun.enterprise.tools.deployment.backend.JarManagerImpl.loadJar(JarManagerImpl.java:141)
at com.sun.enterprise.tools.deployment.backend.JarInstallerImpl.deployEjbs(JarInstallerImpl.java:727)
at com.sun.enterprise.tools.deployment.backend.JarInstallerImpl.deployApplication(JarInstallerImpl.java:221)
at org.omg.stub.com.sun.enterprise.tools.deployment.backend._JarInstallerImpl_Tie._invoke(Unknown Source)
at com.sun.corba.ee.internal.corba.ServerDelegate.dispatch(ServerDelegate.java:355)
at com.sun.corba.ee.internal.iiop.ORB.process(ORB.java:255)
at com.sun.corba.ee.internal.iiop.RequestProcessor.process(RequestProcessor.java:84)
at com.sun.corba.ee.internal.orbutil.ThreadPool$PooledThread.run(ThreadPool.java:99)
是什么原因?怎么修改?