R M [http://community.jboss.org/people/apoth] created the discussion "Don't know how to obtain X509Certificate from class:java.lang.String" To view the discussion, visit: http://community.jboss.org/message/545270#545270 -------------------------------------------------------------- I get this at the end of a stack trace: Caused by: javax.security.auth.login.LoginException: Don't know how to obtain X509Certificate from: class java.lang.String     at org.jboss.security.auth.spi.BaseCertLoginModule.getAliasAndCert(BaseCertLoginModule.java:320)     at org.jboss.security.auth.spi.BaseCertLoginModule.login(BaseCertLoginModule:194)     ... I'm trying to use BaseCertLoginModule to authenticate. Can anyone suggest what the cause of this is and how I might be able to fix it? I've tried checking the documentation for the login module and after a few days I'm not really get anywhere. Thanks -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/545270#545270] Start a new discussion in Beginner's Corner at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]