fre3man [https://community.jboss.org/people/fre3man] created the discussion "Exception: CallbackHandler does not support" To view the discussion, visit: https://community.jboss.org/message/731555#731555 -------------------------------------------------------------- Hi all, I am very very very new to JBoss. Or in fact to j2ee as well. I really could use all the help i can get in here. Right now, i am facing [CallbackHandler does not support]  Exception, which it will keep prompting me the error whenever i click on a file, in the Web Management System. Following is the log file i have during the run: (attached more detailed log) 2012-04-23 12:02:39,699 ERROR [com.openkm.module.direct.DirectPropertyGroupModule] CallbackHandler does not support: javax.security.auth.callback.NameCallback@9c9a8c: CallbackHandler does not support: javax.security.auth.callback.NameCallback@9c9a8c javax.jcr.LoginException: CallbackHandler does not support: javax.security.auth.callback.NameCallback@9c9a8c: CallbackHandler does not support: javax.security.auth.callback.NameCallback@9c9a8c: CallbackHandler does not support: javax.security.auth.callback.NameCallback@9c9a8c           at org.apache.jackrabbit.core.RepositoryImpl.login(RepositoryImpl.java:1407)           at org.apache.jackrabbit.commons.AbstractRepository.login(AbstractRepository.java:41)           at com.openkm.jcr.JCRUtils$1.run(JCRUtils.java:390)           at java.security.AccessController.doPrivileged(Native Method)           at javax.security.auth.Subject.doAs(Unknown Source)           at com.openkm.jcr.JCRUtils.getSession(JCRUtils.java:385)           at com.openkm.module.direct.DirectPropertyGroupModule.getGroups(DirectPropertyGroupModule.java:176)           at com.openkm.api.OKMPropertyGroup.getGroups(OKMPropertyGroup.java:82)           at com.openkm.servlet.frontend.PropertyGroupServlet.getGroups(PropertyGroupServlet.java:180)           at com.openkm.servlet.frontend.PropertyGroupServlet.getAllGroups(PropertyGroupServlet.java:97)           at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)           at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)           at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)           at java.lang.reflect.Method.invoke(Unknown Source)           at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:562)           at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:207)           at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:243)           at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)           at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)           at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)           at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)           at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)           at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)           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:230)           at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)           at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)           at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)           at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)           at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)           at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)           at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)           at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)           at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)           at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)           at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)           at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)           at java.lang.Thread.run(Unknown Source) Caused by: javax.security.auth.login.LoginException: CallbackHandler does not support: javax.security.auth.callback.NameCallback@9c9a8c           at org.jboss.security.auth.spi.UsernamePasswordLoginModule.getUsernameAndPassword(UsernamePasswordLoginModule.java:299)           at org.jboss.security.auth.spi.UsernamePasswordLoginModule.login(UsernamePasswordLoginModule.java:181)           at sun.reflect.GeneratedMethodAccessor116.invoke(Unknown Source)           at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)           at java.lang.reflect.Method.invoke(Unknown Source)           at javax.security.auth.login.LoginContext.invoke(Unknown Source)           at javax.security.auth.login.LoginContext.access$000(Unknown Source)           at javax.security.auth.login.LoginContext$4.run(Unknown Source)           at java.security.AccessController.doPrivileged(Native Method)           at javax.security.auth.login.LoginContext.invokePriv(Unknown Source)           at javax.security.auth.login.LoginContext.login(Unknown Source)           at org.apache.jackrabbit.core.security.authentication.JAASAuthContext.login(JAASAuthContext.java:60)           at org.apache.jackrabbit.core.RepositoryImpl.login(RepositoryImpl.java:1392)           ... 38 more Caused by: javax.security.auth.callback.UnsupportedCallbackException           at org.apache.jackrabbit.core.security.authentication.CallbackHandlerImpl.handle(CallbackHandlerImpl.java:119)           at javax.security.auth.login.LoginContext$SecureCallbackHandler$1.run(Unknown Source)           at java.security.AccessController.doPrivileged(Native Method)           at javax.security.auth.login.LoginContext$SecureCallbackHandler.handle(Unknown Source)           at org.jboss.security.auth.spi.UsernamePasswordLoginModule.getUsernameAndPassword(UsernamePasswordLoginModule.java:280)           ... 50 more https://community.jboss.org/servlet/JiveServlet/showImage/2-731555-18440/... https://community.jboss.org/servlet/JiveServlet/downloadImage/2-731555-18... Basically, I was able to logon to the web management system, but when i intends to click on any file that was available, it would return me this error. How am i able to resolve this? is this due to some sort of JAAS which session token is lost that resulting to this? Please advise. Thanks in advance!!! :( -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/731555#731555] Start a new discussion in Beginner's Corner at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]