Hi, I would say, this is a highly unlikely and unexpected situation: The handler field of the EngineAuthenticationHandlerHolder should not be null.
There is a slight chance of this happen anyway: If the service cannot be retrieved from the framework (because it has already been unregistered at the time the service is asked for which may happen in a highly dynamic situation). Added a guard to not register the handler if the service cannot be retrieved. [1] Regards Felix [1] https://issues.apache.org/jira/browse/SLING-1493 On 19.04.2010 18:05, Carl Hall wrote: > I get the following stacktrace when I try to go through an authentication > handler I have setup. Any suggestions to the cause? > > 19.04.2010 11:42:47.604 *WARN* [116647...@qtp-1246618622-16] > org.mortbay.jetty EXCEPTION java.lang.NullPointerException > at > org.apache.sling.commons.auth.impl.engine.EngineAuthenticationHandlerHolder.doExtractCredentials(EngineAuthenticationHandlerHolder.java:63) > at > org.apache.sling.commons.auth.impl.AbstractAuthenticationHandlerHolder.extractCredentials(AbstractAuthenticationHandlerHolder.java:60) > at > org.apache.sling.commons.auth.impl.SlingAuthenticator.getAuthenticationInfo(SlingAuthenticator.java:560) > at > org.apache.sling.commons.auth.impl.SlingAuthenticator.handleSecurity(SlingAuthenticator.java:374) > at > org.apache.sling.engine.impl.SlingMainServlet.handleSecurity(SlingMainServlet.java:832) > at > org.ops4j.pax.web.service.internal.HttpServiceServletHandler.handle(HttpServiceServletHandler.java:62) > at > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) > at > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) > at > org.ops4j.pax.web.service.internal.HttpServiceContext.handle(HttpServiceContext.java:111) > at > org.ops4j.pax.web.service.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:64) > at > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) > at org.mortbay.jetty.Server.handle(Server.java:324) > at > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:535) > at > org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:865) > at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:539) > at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) > at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) > at > org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409) > at > org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520) >
