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A Reverse Hostname Lookup Will Be Performed During SSL Handshake Even After Host Name Verification Is Disabled (Doc ID 2008118.1)

Last updated on NOVEMBER 02, 2018

Applies to:

Oracle WebLogic Server - Version 10.3.5 and later
Information in this document applies to any platform.


A reverse hostname lookup will be performed during SSL handshake even after host name verification is disabled(

The following are the possible symptoms:
   Calls to the method InetAddress.getHostName take a long time or the JVM hangs.

Thread dumps look like:

"[ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)'" daemon prio=6 tid=XXX... java.lang.Thread.State: RUNNABLE
at Method)
  at com.certicom.tls.interfaceimpl.CertificateSupport.isServerHostnameValid(Unknown Source)
  at com.certicom.tls.record.handshake.ClientStateReceivedServerHello.handle(Unknown Source)
  at com.certicom.tls.record.handshake.HandshakeHandler.handleHandshakeMessage(Unknown Source)
  at com.certicom.tls.record.handshake.HandshakeHandler.handleHandshakeMessages(Unknown Source)
  at com.certicom.tls.record.MessageInterpreter.interpretContent(Unknown Source)
  at com.certicom.tls.record.MessageInterpreter.decryptMessage(Unknown Source)
  at com.certicom.tls.record.ReadHandler.processRecord(Unknown Source)
  at com.certicom.tls.record.ReadHandler.readRecord(Unknown Source)
  at com.certicom.tls.record.ReadHandler.readUntilHandshakeComplete(Unknown Source)
  at com.certicom.tls.interfaceimpl.TLSConnectionImpl.completeHandshake(Unknown Source)




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