cas 部署weblogic客户端 报NullPointerException
<2010-1-6 上午09时39分13秒 CST> <Error> <HTTP> <BEA-101020> <[ServletContext(id=
5022059,name=WebRoot,context-path=/WebRoot)] Servlet failed with Exception
java.lang.NullPointerException
at weblogic.security.SSL.SSLCertificate.verify(SSLCertificate.java:235)
at weblogic.security.SSL.SSLCertificate.input(SSLCertificate.java:116)
at weblogic.security.SSL.Handshake.input(Handshake.java:121)
at weblogic.security.SSL.SSLSocket.getHandshake(SSLSocket.java:1117)
at weblogic.security.SSL.SSLSocket.clientInit(SSLSocket.java:432)
at weblogic.security.SSL.SSLSocket.initialize(SSLSocket.java:276)
at weblogic.security.SSL.SSLSocket.<init>(SSLSocket.java:222)
at weblogic.security.SSL.SSLSocketFactory.createSocket(SSLSocketFactory.
java:213)
at weblogic.net.http.HttpsClient.openServer(HttpsClient.java:238)
at weblogic.net.http.HttpsClient.openServer(HttpsClient.java:389)
at weblogic.net.http.HttpsClient.<init>(HttpsClient.java:209)
at weblogic.net.http.HttpClient.New(HttpClient.java:228)
at weblogic.net.http.HttpsURLConnection.getHttpClient(HttpsURLConnection
.java:246)
at weblogic.net.http.HttpsURLConnection.connect(HttpsURLConnection.java:
217)
at weblogic.net.http.HttpURLConnection.getInputStream(HttpURLConnection.
java:319)
at weblogic.net.http.SOAPHttpsURLConnection.getInputStream(SOAPHttpsURLC
onnection.java:29)
at edu.yale.its.tp.cas.util.SecureURL.retrieve(SecureURL.java:70)
at edu.yale.its.tp.cas.client.ServiceTicketValidator.validate(ServiceTic
ketValidator.java:212)
at edu.yale.its.tp.cas.client.filter.CASFilter.getAuthenticatedUser(CASF
ilter.java:219)
at edu.yale.its.tp.cas.client.filter.CASFilter.doFilter(CASFilter.java:1
84)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.ja
va:27)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
n.run(WebAppServletContext.java:7053)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(Authenticate
dSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:
121)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe
rvletContext.java:3902)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
pl.java:2773)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:224)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:183)
>