tomcat下没问题 WebSphere下报错

[11-7-22 11:09:01:343 CST] 00000011 SystemErr     R Exception in thread "Thread-26" java.lang.NoSuchFieldError: sun/security/pkcs/PKCS9Attribute.EMAIL_ADDRESS_OID
[11-7-22 11:09:01:343 CST] 00000011 SystemErr     R  at sun.security.x509.AVAKeyword.<clinit>(AVA.java:1347)
[11-7-22 11:09:01:343 CST] 00000011 SystemErr     R  at java.lang.J9VMInternals.initializeImpl(Native Method)
[11-7-22 11:09:01:343 CST] 00000011 SystemErr     R  at java.lang.J9VMInternals.initialize(J9VMInternals.java:200)
[11-7-22 11:09:01:343 CST] 00000011 SystemErr     R  at sun.security.x509.AVA.toKeyword(AVA.java:655)
[11-7-22 11:09:01:343 CST] 00000011 SystemErr     R  at sun.security.x509.AVA.toString(AVA.java:663)
[11-7-22 11:09:01:343 CST] 00000011 SystemErr     R  at sun.security.x509.RDN.toString(RDN.java:337)
[11-7-22 11:09:01:343 CST] 00000011 SystemErr     R  at sun.security.x509.X500Name.generateDN(X500Name.java:1048)
[11-7-22 11:09:01:359 CST] 00000011 SystemErr     R  at sun.security.x509.X500Name.toString(X500Name.java:596)
[11-7-22 11:09:01:359 CST] 00000011 SystemErr     R  at sun.security.x509.X509CRLImpl.parse(X509CRLImpl.java:1035)
[11-7-22 11:09:01:359 CST] 00000011 SystemErr     R  at sun.security.x509.X509CRLImpl.<init>(X509CRLImpl.java:160)
[11-7-22 11:09:01:359 CST] 00000011 SystemErr     R  at com.ambitionstone.esa2000.OnlineVectorTimer.reload(OnlineVectorTimer.java:163)
[11-7-22 11:09:01:359 CST] 00000011 SystemErr     R  at com.ambitionstone.esa2000.OnlineVectorTimer.reloadCrl(OnlineVectorTimer.java:93)
[11-7-22 11:09:01:359 CST] 00000011 SystemErr     R  at com.ambitionstone.esa2000.OnlineVectorTimer.allReload(OnlineVectorTimer.java:72)
[11-7-22 11:09:01:359 CST] 00000011 SystemErr     R  at com.ambitionstone.esa2000.OnlineVectorTimer.run(OnlineVectorTimer.java:124)
[11-7-22 11:09:01:359 CST] 00000011 SystemErr     R  at java.lang.Thread.run(Thread.java:735)有谁能告诉我是怎么回事吗？先谢谢了！