在线请教，关于QC登录的问题，Failed to Connect Project
QC登录，输入用户名密码，身份验证也可以成功，也可以找到对应的域和项目，但是登录一直报错，是怎么回事儿？请各位指教！
Messages:
Failed to Connect Project;
Failed to connect user 'admin' to project CZUM in domain KDUM;
Failed to check if project 'CZUM' support Extended UDFs;
isSupportedByProject failed for project CZUM in domain KDUM;
isSupportedByProject failed;
Stack Trace:
java.lang.NullPointerException
at com.mercury.td.saserver.api.logics.CProjectLogic.isSupportedByProject(CProjectLogic.java:4806)
wrapped in com.mercury.optane.core.CTdException: isSupportedByProject failed
at com.mercury.td.saserver.api.logics.CProjectLogic.isSupportedByProject(CProjectLogic.java:4821)
at com.mercury.td.saserver.sadispatcher.CSaRemoteDispatcher.isSupportedByProject(CSaRemoteDispatcher.java:162)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at com.mercury.optane.core.jndiproxy.CAbsJndiProxy.callRemoteMethod(CAbsJndiProxy.java:117)
at com.mercury.optane.core.jndiproxy.CAbsJndiProxy.callRemoteMethod(CAbsJndiProxy.java:75)
at com.mercury.td.saserver.sadispatcher.CSaJndiDispatcher.isSupportedByProject(CSaJndiDispatcher.java:62)
at com.mercury.td.saserver.saapi.CRemoteSiteAdminAppProxy.isSupportedByProjectPrivate(CRemoteSiteAdminAppProxy.java:859)
wrapped in com.mercury.optane.core.CTdException:
at com.mercury.td.saserver.saapi.CRemoteSiteAdminAppProxy.isSupportedByProjectPrivate(CRemoteSiteAdminAppProxy.java:865)
at com.mercury.td.saserver.saapi.CAbsSiteAdminAppProxy.isSupportedByProject(CAbsSiteAdminAppProxy.java:1166)
wrapped in com.mercury.optane.core.CTdException: isSupportedByProject failed for project CZUM in domain KDUM
at com.mercury.td.saserver.saapi.CAbsSiteAdminAppProxy.isSupportedByProject(CAbsSiteAdminAppProxy.java:1187)
at com.mercury.td.tdserver.tdutil.CTdServerGeneralFunctions.checkExtendedUDFSupport(CTdServerGeneralFunctions.java:1271)
wrapped in com.mercury.optane.core.CTdException: Failed to check if project 'CZUM' support Extended UDFs
at com.mercury.td.tdserver.tdutil.CTdServerGeneralFunctions.checkExtendedUDFSupport(CTdServerGeneralFunctions.java:1278)
at com.mercury.td.tdserver.api.logics.CConnectionLogic.getConnectionProperties(CConnectionLogic.java:422)
at com.mercury.td.tdserver.api.logics.CConnectionLogic.connectProject(CConnectionLogic.java:276)
wrapped in com.mercury.optane.core.CTdException: Failed to connect user 'admin' to project CZUM in domain KDUM
at com.mercury.td.tdserver.api.logics.CConnectionLogic.connectProject(CConnectionLogic.java:279)
at com.mercury.td.web.server.CTdServlet.redirectConnectProject(CTdServlet.java:357)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at com.mercury.optane.core.web.CAbsServlet.executeFunction(CAbsServlet.java:554)
wrapped in com.mercury.optane.core.CTdException: Failed to Connect Project
at com.mercury.optane.core.web.CAbsServlet.executeFunction(CAbsServlet.java:560)
at com.mercury.optane.core.web.CAbsServlet.processRequest(CAbsServlet.java:535)
at com.mercury.td.web.server.CTdServlet.processRequest(CTdServlet.java:319)
at com.mercury.optane.core.web.CAbsServlet.doPost(CAbsServlet.java:418)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:153)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.valves.FastCommonAccessLogValve.invoke(FastCommonAccessLogValve.java:481)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
at java.lang.Thread.run(Thread.java:534) 此project 使用的数据库有无问题
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