weblogic启动异常

<2009-4-15 下午02时48分52秒 CST> <Info> <WebLogicServer> <BEA-000377> <Starting WebLogic Server with Java HotSpot(TM) Client VM Version 1.4.2_05-b04 from Sun Microsystems Inc.> 
<2009-4-15 下午02时48分52秒 CST> <Info> <Configuration Management> <BEA-150016> <This server is being started as the administration server.> 
<2009-4-15 下午02时48分52秒 CST> <Info> <Management> <BEA-141107> <Version: WebLogic Server 8.1 SP4  Mon Nov 29 16:21:29 PST 2004 471647 
WebLogic XMLX Module 8.1 SP4  Mon Nov 29 16:21:29 PST 2004 471647 > 
<2009-4-15 下午02时48分52秒 CST> <Notice> <Management> <BEA-140005> <Loading domain configuration from configuration repository at D:\bea\user_projects\domains\mydomain\config.xml.> 
<2009-4-15 下午02时48分54秒 CST> <Notice> <Log Management> <BEA-170019> <The server log file D:\bea\user_projects\domains\mydomain\myserver\myserver.log is opened. All server side log events will be written to this file.> 
<2009-4-15 下午02时48分54秒 CST> <Error> <Management> <BEA-140001> <An error occurred while getting attribute Credential on MBean mobileConfig:Location=myserver,Name=mobileConfig,Type=EmbeddedLDAPConfig. Method: null. Exception: com.rsa.jsafe.JSAFE_PaddingException: Could not perform unpadding: invalid pad byte..
com.rsa.jsafe.JSAFE_PaddingException: Could not perform unpadding: invalid pad byte.
at com.rsa.jsafe.JA_PKCS5Padding.performUnpadding(Unknown Source)
at com.rsa.jsafe.JG_BlockCipher.decryptFinal(Unknown Source)
at weblogic.security.internal.encryption.JSafeEncryptionServiceImpl.decryptBytes(JSafeEncryptionServiceImpl.java:67)
at weblogic.security.internal.encryption.JSafeEncryptionServiceImpl.decryptString(JSafeEncryptionServiceImpl.java:93)
at weblogic.security.internal.encryption.ClearOrEncryptedService.decrypt(ClearOrEncryptedService.java:56)
at weblogic.management.EncryptionHelper.decryptString(EncryptionHelper.java:45)
at weblogic.management.internal.DynamicMBeanImpl.getAttribute(DynamicMBeanImpl.java:624)
at weblogic.management.internal.ConfigurationMBeanImpl.getAttribute(ConfigurationMBeanImpl.java:179)
at com.sun.management.jmx.MBeanServerImpl.getAttribute(MBeanServerImpl.java:1186)
at com.sun.management.jmx.MBeanServerImpl.getAttribute(MBeanServerImpl.java:1156)
at weblogic.management.internal.RemoteMBeanServerImpl.getAttribute(RemoteMBeanServerImpl.java:288)
at weblogic.management.internal.MBeanProxy.getAttribute(MBeanProxy.java:610)
at weblogic.management.internal.MBeanProxy.invokeForCachingStub(MBeanProxy.java:442)
at weblogic.management.configuration.EmbeddedLDAPMBean_Stub.getCredential(EmbeddedLDAPMBean_Stub.java:383)
at weblogic.ldap.EmbeddedLDAP.initServerConfig(EmbeddedLDAP.java:1117)
at weblogic.ldap.EmbeddedLDAP.initialize(EmbeddedLDAP.java:225)
at weblogic.t3.srvr.T3Srvr.initializeHere(T3Srvr.java:816)
at weblogic.t3.srvr.T3Srvr.initialize(T3Srvr.java:670)
at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:344)
at weblogic.Server.main(Server.java:32)
> 
<2009-4-15 下午02时48分54秒 CST> <Critical> <WebLogicServer> <BEA-000364> <Server failed during initialization. Exception:weblogic.management.ManagementRuntimeException: com.rsa.jsafe.JSAFE_PaddingException: Could not perform unpadding: invalid pad byte.
weblogic.management.ManagementRuntimeException: com.rsa.jsafe.JSAFE_PaddingException: Could not perform unpadding: invalid pad byte.
at weblogic.management.configuration.EmbeddedLDAPMBean_Stub.getCredential(EmbeddedLDAPMBean_Stub.java:390)
at weblogic.ldap.EmbeddedLDAP.initServerConfig(EmbeddedLDAP.java:1117)
at weblogic.ldap.EmbeddedLDAP.initialize(EmbeddedLDAP.java:225)
at weblogic.t3.srvr.T3Srvr.initializeHere(T3Srvr.java:816)
at weblogic.t3.srvr.T3Srvr.initialize(T3Srvr.java:670)
at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:344)
at weblogic.Server.main(Server.java:32)
Caused by: com.rsa.jsafe.JSAFE_PaddingException: Could not perform unpadding: invalid pad byte.
at com.rsa.jsafe.JA_PKCS5Padding.performUnpadding(Unknown Source)
at com.rsa.jsafe.JG_BlockCipher.decryptFinal(Unknown Source)
at weblogic.security.internal.encryption.JSafeEncryptionServiceImpl.decryptBytes(JSafeEncryptionServiceImpl.java:67)
at weblogic.security.internal.encryption.JSafeEncryptionServiceImpl.decryptString(JSafeEncryptionServiceImpl.java:93)
at weblogic.security.internal.encryption.ClearOrEncryptedService.decrypt(ClearOrEncryptedService.java:56)
at weblogic.management.EncryptionHelper.decryptString(EncryptionHelper.java:45)
at weblogic.management.internal.DynamicMBeanImpl.getAttribute(DynamicMBeanImpl.java:624)
at weblogic.management.internal.ConfigurationMBeanImpl.getAttribute(ConfigurationMBeanImpl.java:179)
at com.sun.management.jmx.MBeanServerImpl.getAttribute(MBeanServerImpl.java:1186)
at com.sun.management.jmx.MBeanServerImpl.getAttribute(MBeanServerImpl.java:1156)
at weblogic.management.internal.RemoteMBeanServerImpl.getAttribute(RemoteMBeanServerImpl.java:288)
at weblogic.management.internal.MBeanProxy.getAttribute(MBeanProxy.java:610)
at weblogic.management.internal.MBeanProxy.invokeForCachingStub(MBeanProxy.java:442)
at weblogic.management.configuration.EmbeddedLDAPMBean_Stub.getCredential(EmbeddedLDAPMBean_Stub.java:383)
... 6 more
> 
<2009-4-15 下午02时48分54秒 CST> <Emergency> <WebLogicServer> <BEA-000342> <Unable to initialize the server: weblogic.management.ManagementRuntimeException: com.rsa.jsafe.JSAFE_PaddingException: Could not perform unpadding: invalid pad byte.> 
***************************************************************************
The WebLogic Server did not start up properly.
Exception raised: 'com.rsa.jsafe.JSAFE_PaddingException: Could not perform unpadding: invalid pad byte.'
Reason: weblogic.management.ManagementRuntimeException: com.rsa.jsafe.JSAFE_PaddingException: Could not perform unpadding: invalid pad byte.
***************************************************************************