疯了！Java打包后运行出错。在JBuilder里运行是好的.给出了错误信息和错误的地方。

Question

错误信息：java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstruct
orAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingC
onstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
        at weblogic.rmi.internal.StubGenerator.generateStub(StubGenerator.java:8
12)
        at weblogic.rmi.internal.StubGenerator.generateStub(StubGenerator.java:7
97)
        at weblogic.rmi.extensions.StubFactory.getStub(StubFactory.java:79)
        at weblogic.rmi.utils.io.RemoteObjectReplacer.resolveObject(RemoteObject
Replacer.java:237)
        at weblogic.rmi.internal.StubInfo.readResolve(StubInfo.java:142)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at java.io.ObjectStreamClass.invokeReadResolve(ObjectStreamClass.java:92
5)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1
655)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
        at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:18
45)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1
646)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
        at weblogic.common.internal.ChunkedObjectInputStream.readObject(ChunkedO
bjectInputStream.java:120)
        at weblogic.rjvm.MsgAbbrevInputStream.readObject(MsgAbbrevInputStream.ja
va:117)
        at weblogic.rmi.internal.ObjectIO.readObject(ObjectIO.java:56)
        at weblogic.rjvm.ResponseImpl.unmarshalReturn(ResponseImpl.java:159)
        at weblogic.rmi.cluster.ReplicaAwareRemoteRef.invoke(ReplicaAwareRemoteR
ef.java:285)
        at weblogic.rmi.cluster.ReplicaAwareRemoteRef.invoke(ReplicaAwareRemoteR
ef.java:244)
        at weblogic.jdbc.common.internal.RmiDataSource_813_WLStub.getConnection(
Unknown Source)
        at newlog.ConnectionDB_Oracle.getConnection(ConnectionDB_Oracle.java:54)        at newlog.RptData.getPower(RptData.java:98)
        at newlog.RptData.setPower(RptData.java:140)
        at newlog.MenuDriven.<init>(MenuDriven.java:70)
        at newlog.LoginWin.jButton1_actionPerformed(LoginWin.java:151)
        at newlog.LoginWin_jButton1_actionAdapter.actionPerformed(LoginWin.java:
195)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:17
86)
        at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(Abstra
ctButton.java:1839)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel
.java:420)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258
)
        at javax.swing.AbstractButton.doClick(AbstractButton.java:289)
        at javax.swing.plaf.basic.BasicRootPaneUI$DefaultAction.actionPerformed(
BasicRootPaneUI.java:155)
        at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1530)
        at javax.swing.JComponent.processKeyBinding(JComponent.java:2438)
        at javax.swing.KeyboardManager.fireBinding(KeyboardManager.java:253)
        at javax.swing.KeyboardManager.fireKeyboardAction(KeyboardManager.java:2
02)
        at javax.swing.JComponent.processKeyBindingsForAllComponents(JComponent.
java:2515)
        at javax.swing.JComponent.processKeyBindings(JComponent.java:2507)
        at javax.swing.JComponent.processKeyEvent(JComponent.java:2401)
        at java.awt.Component.processEvent(Component.java:4909)
        at java.awt.Container.processEvent(Container.java:1569)
        at java.awt.Component.dispatchEventImpl(Component.java:3615)
        at java.awt.Container.dispatchEventImpl(Container.java:1627)
        at java.awt.Component.dispatchEvent(Component.java:3477)
        at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.ja
va:1713)
        at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboard
FocusManager.java:627)
        at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeybo
ardFocusManager.java:831)
        at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeybo
ardFocusManager.java:741)
        at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFoc
usManager.java:592)
        at java.awt.Component.dispatchEventImpl(Component.java:3506)
        at java.awt.Container.dispatchEventImpl(Container.java:1627)
        at java.awt.Window.dispatchEventImpl(Window.java:1606)
        at java.awt.Component.dispatchEvent(Component.java:3477)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchTh
read.java:201)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.java:151)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)

Answer 1

续错误信息
at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)
Caused by: java.lang.NoClassDefFoundError: oracle/sql/BfileDBAccess
        at java.lang.Class.getDeclaredMethods0(Native Method)
        at java.lang.Class.privateGetDeclaredMethods(Class.java:1647)
        at java.lang.Class.privateGetPublicMethods(Class.java:1770)
        at java.lang.Class.privateGetPublicMethods(Class.java:1780)
        at java.lang.Class.getMethods(Class.java:824)
        at weblogic.rmi.utils.Utilities.getRemoteMethods(Utilities.java:278)
        at weblogic.rmi.utils.Utilities.getRemoteRMIMethods(Utilities.java:258)
        at weblogic.jdbc.rmi.internal.ConnectionImpl_weblogic_jdbc_wrapper_PoolC
onnection_oracle_jdbc_driver_T4CConnection_813_WLStub.ensureInitialized(Unknown
Source)
        at weblogic.jdbc.rmi.internal.ConnectionImpl_weblogic_jdbc_wrapper_PoolC
onnection_oracle_jdbc_driver_T4CConnection_813_WLStub.<init>(Unknown Source)
        ... 67 more
--------------- nested within: ------------------
weblogic.utils.AssertionError: ***** ASSERTION FAILED *****[ Failed to generate
class for weblogic.jdbc.rmi.internal.ConnectionImpl_weblogic_jdbc_wrapper_PoolCo
nnection_oracle_jdbc_driver_T4CConnection_813_WLStub ] - with nested exception:
[java.lang.reflect.InvocationTargetException - with target exception:
[java.lang.NoClassDefFoundError: oracle/sql/BfileDBAccess]]
        at weblogic.rmi.internal.StubGenerator.generateStub(StubGenerator.java:8
14)
        at weblogic.rmi.internal.StubGenerator.generateStub(StubGenerator.java:7
97)
        at weblogic.rmi.extensions.StubFactory.getStub(StubFactory.java:79)
        at weblogic.rmi.utils.io.RemoteObjectReplacer.resolveObject(RemoteObject
Replacer.java:237)
        at weblogic.rmi.internal.StubInfo.readResolve(StubInfo.java:142)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at java.io.ObjectStreamClass.invokeReadResolve(ObjectStreamClass.java:92
5)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1
655)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
        at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:18
45)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1
646)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
        at weblogic.common.internal.ChunkedObjectInputStream.readObject(ChunkedO
bjectInputStream.java:120)
        at weblogic.rjvm.MsgAbbrevInputStream.readObject(MsgAbbrevInputStream.ja
va:117)
        at weblogic.rmi.internal.ObjectIO.readObject(ObjectIO.java:56)
        at weblogic.rjvm.ResponseImpl.unmarshalReturn(ResponseImpl.java:159)
        at weblogic.rmi.cluster.ReplicaAwareRemoteRef.invoke(ReplicaAwareRemoteR
ef.java:285)
        at weblogic.rmi.cluster.ReplicaAwareRemoteRef.invoke(ReplicaAwareRemoteR
ef.java:244)
        at weblogic.jdbc.common.internal.RmiDataSource_813_WLStub.getConnection(
Unknown Source)
        at newlog.ConnectionDB_Oracle.getConnection(ConnectionDB_Oracle.java:54)        at newlog.RptData.getPower(RptData.java:98)
        at newlog.RptData.setPower(RptData.java:140)
        at newlog.MenuDriven.<init>(MenuDriven.java:70)
        at newlog.LoginWin.jButton1_actionPerformed(LoginWin.java:151)
        at newlog.LoginWin_jButton1_actionAdapter.actionPerformed(LoginWin.java:
195)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:17
86)
        at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(Abstra
ctButton.java:1839)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel
.java:420)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258
)
        at javax.swing.AbstractButton.doClick(AbstractButton.java:289)
        at javax.swing.plaf.basic.BasicRootPaneUI$DefaultAction.actionPerformed(
BasicRootPaneUI.java:155)
        at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1530)
        at javax.swing.JComponent.processKeyBinding(JComponent.java:2438)
        at javax.swing.KeyboardManager.fireBinding(KeyboardManager.java:253)
        at javax.swing.KeyboardManager.fireKeyboardAction(KeyboardManager.java:2
02)
        at javax.swing.JComponent.processKeyBindingsForAllComponents(JComponent.
java:2515)
        at javax.swing.JComponent.processKeyBindings(JComponent.java:2507)
        at javax.swing.JComponent.processKeyEvent(JComponent.java:2401)
        at java.awt.Component.processEvent(Component.java:4909)
        at java.awt.Container.processEvent(Container.java:1569)
        at java.awt.Component.dispatchEventImpl(Component.java:3615)
        at java.awt.Container.dispatchEventImpl(Container.java:1627)
        at java.awt.Component.dispatchEvent(Component.java:3477)
        at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.ja
va:1713)
        at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboard
FocusManager.java:627)
        at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeybo
ardFocusManager.java:831)
        at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeybo
ardFocusManager.java:741)
        at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFoc
usManager.java:592)
        at java.awt.Component.dispatchEventImpl(Component.java:3506)
        at java.awt.Container.dispatchEventImpl(Container.java:1627)
        at java.awt.Window.dispatchEventImpl(Window.java:1606)
        at java.awt.Component.dispatchEvent(Component.java:3477)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchTh
read.java:201)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.java:151)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)        at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)

Answer 2

java.sql.Connection conn = null;
改成这样