Submitter complained of an SSLPeerUnverifiedException being logged in their environment :

<Debug> <SecuritySSL> <BEA-000000> <[Thread[[STANDBY]
ExecuteThread: '1' for queue: 'weblogic.kernel.Default
(self-tuning)',5,Pooled Threads]]weblogic.security.SSL.jsseadapter:
SSLENGINE:
Trying to get peer certificates from SSLSession, SSLPeerUnverifiedException:
peer not authenticated.>
<BEA-000000> <[Thread[[STANDBY] ExecuteThread: '1' for queue:
'weblogic.kernel.Default (self-tuning)',5,Pooled
Threads]]weblogic.security.SSL.jsseadapter: SSLENGINE: negotiatedCipherSuite: SSL_RSA_WITH_3DES_EDE_CBC_SHA>
720 E7D0 A6CC 36B9 <Aug 20, 2014 2:16:33 PM PDT> <Debug> <SecuritySSL>
<BEA-000000> <[Thread[[STANDBY] ExecuteThread: '1' for
queue: 'weblogic.kernel.Default (self-tuning)',5,Pooled
Threads]]weblogic.security.SSL.jsseadapter: SSLENGINE: SSLEngine.getNeedClientAuth(): false>
226 3 .6I1. .7n4. <Aug 20, 2014 2:16:33 PM PDT> <Debug> <SecuritySSL>
<BEA-000000> <[Thread[[STANDBY] ExecuteThread: '1' for queue: 'weblogic.kernel.Default (self-tuning)',5,Pooled
Threads]]weblogic.security.SSL.jsseadapter: SSLENGINE: Peer certificate
chain: null>
< 36.9V" .6.F; "6
<Exception processing certificates: peer not authenticated

leading to :
javax.net.ssl.SSLPeerUnverifiedException: peer not authenticated
at sun.security.ssl.SSLSessionImpl.getPeerCertificates(SSLSessionImpl.java:397)
at weblogic.servlet.provider.WlsSecurityProvider.getSSLAttributes(WlsSecurityProvider.java:203)
at weblogic.servlet.internal.VirtualConnection.initSSLAttributes(VirtualConnection.java:163)
at weblogic.servlet.internal.VirtualConnection.init(VirtualConnection.java:74)
at weblogic.servlet.internal.ServletRequestImpl.initFromRequestParser(ServletRequestImpl.java:300)