java.lang.UnsupportedOperationException

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  • SPNEGO / Discussion / Help:Downgrade to basic
    via by Unknown author,
    • java.lang.UnsupportedOperationException: NTLM specified. Downgraded to Basic Auth (and/or SSL) but downgrade not supported. at net.sourceforge.spnego.SpnegoProvider.negotiate(SpnegoProvider.java:146) at net.sourceforge.spnego.SpnegoAuthenticator.authenticate(SpnegoAuthenticator.java:271) at net.sourceforge.spnego.SpnegoHttpFilter.doFilter(SpnegoHttpFilter.java:229) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:861) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:579) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1584) at java.lang.Thread.run(Thread.java:662)
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