Hi,
After many attempts, the picture still fails to be sent. This problem is 
ignored temporarily. Thank you for your support
 
 
------------------ Original ------------------
From: &nbsp;"赵尉余"<[email protected]&gt;;
Date: &nbsp;Tue, Nov 2, 2021 04:18 PM
To: &nbsp;"dev"<[email protected]&gt;; 

Subject: &nbsp;Re: An error is reported when connecting kylin (get schemas) 
through JDBC

&nbsp;

Add picture.
&nbsp;
&nbsp;
------------------ Original ------------------
From: &nbsp;"赵尉余"<[email protected]&gt;;
Date: &nbsp;Tue, Nov 2, 2021 04:15 PM
To: &nbsp;"dev"<[email protected]&gt;; 

Subject: &nbsp;Re: An error is reported when connecting kylin (get schemas) 
through JDBC

&nbsp;

Add



&nbsp;
&nbsp;
------------------ Original ------------------
From: &nbsp;"Yaqian Zhang"<[email protected]&gt;;
Date: &nbsp;Tue, Nov 2, 2021 03:40 PM
To: &nbsp;"dev"<[email protected]&gt;; 

Subject: &nbsp;Re: An error is reported when connecting kylin (get schemas) 
through JDBC

&nbsp;

Hi:

I can't see your picture. It doesn't seem to display normally.

I don't know what action was taken during the test. Maybe it finished the test 
without using project.

&gt; 在 2021年11月2日,下午3:20,赵尉余 <[email protected]&gt; 写道:
&gt; 
&gt; Hi,
&gt; My URL is filled with the project name, but it is a wrong project. At 
present, the schame can be obtained by modifying the correct project name.
&gt; Thank you very much for your help!
&gt; 
&gt; A new problem, the wrong project name can also pass the test?
&gt; 
&gt;&nbsp; 
&gt;&nbsp; 
&gt; ------------------ Original ------------------
&gt; From:&nbsp; "Yaqian Zhang"<[email protected]&gt;;
&gt; Date:&nbsp; Tue, Nov 2, 2021 02:36 PM
&gt; To:&nbsp; "dev"<[email protected]&gt;;
&gt; Subject:&nbsp; Re: An error is reported when connecting kylin (get 
schemas) through JDBC
&gt;&nbsp; 
&gt; Hi:
&gt; 
&gt; I checked the source code and found that the NullPointer may be caused by 
kylin's project name not being set correctly.
&gt; 
&gt;&nbsp; I wonder if you provided the 'project name' when connecting to kylin 
through smartBI?
&gt; 
&gt; &gt; 在 2021年11月2日,上午10:39,[email protected] 写道:
&gt; &gt; 
&gt; &gt; Hi,
&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; I reported an error when I 
connected kylin (get schemas) through JDBC during the test. What is the reason?
&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; kylin:
&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; 
&gt; &gt; 
&gt; &gt; 
&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; error message
&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; Failed to get the list of modes
&gt; &gt; at 
smartbi.freequery.basicdata.MetaDataServiceImpl.getSchemas(MetaDataServiceImpl.java:525)
&gt; &gt; at ...(...)
&gt; &gt; at 
smartbi.freequery.basicdata.SmartbiKYLINDialect.getSchemas(SmartbiKYLINDialect.java:32)
&gt; &gt; Caused by: java.lang.RuntimeException: java.io.IOException: GET 
failed, error code 500 and response: 
{"code":"999","data":null,"msg":null,"stacktrace":"java.lang.NullPointerException\n\tat
 
org.apache.kylin.query.schema.OLAPSchemaFactory.createTempOLAPJson(OLAPSchemaFactory.java:67)\n\tat
 
org.apache.kylin.query.QueryConnection.getConnection(QueryConnection.java:49)\n\tat
 
org.apache.kylin.rest.service.QueryService.getMetadata(QueryService.java:775)\n\tat
 
org.apache.kylin.rest.service.QueryService.getMetadata(QueryService.java:215)\n\tat
 
org.apache.kylin.rest.service.QueryService.getMetadataFilterByUser(QueryService.java:211)\n\tat
 
org.apache.kylin.rest.controller.QueryController.getMetadata(QueryController.java:193)\n\tat
 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\n\tat 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\n\tat
 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\n\tat
 java.lang.reflect.Method.invoke(Method.java:498)\n\tat 
org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)\n\tat
 
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)\n\tat
 
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)\n\tat
 
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:849)\n\tat
 
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:760)\n\tat
 
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)\n\tat
 
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)\n\tat
 
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)\n\tat
 
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)\n\tat
 
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)\n\tat
 javax.servlet.http.HttpServlet.service(HttpServlet.java:634)\n\tat 
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)\n\tat
 javax.servlet.http.HttpServlet.service(HttpServlet.java:741)\n\tat 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)\n\tat
 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat
 org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)\n\tat 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\n\tat
 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:317)\n\tat
 
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)\n\tat
 
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:114)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:170)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilterInternal(BasicAuthenticationFilter.java:215)\n\tat
 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:66)\n\tat
 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56)\n\tat
 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:214)\n\tat
 
org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:177)\n\tat
 
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:347)\n\tat
 
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:263)\n\tat
 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\n\tat
 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat
 com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:209)\n\tat 
com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:244)\n\tat 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\n\tat
 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat
 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)\n\tat
 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)\n\tat
 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:543)\n\tat
 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)\n\tat
 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)\n\tat
 
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:688)\n\tat
 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)\n\tat
 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)\n\tat
 
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:609)\n\tat
 
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)\n\tat
 
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:818)\n\tat
 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1623)\n\tat
 
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)\n\tat
 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n\tat
 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n\tat
 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)\n\tat
 
java.lang.Thread.run(Thread.java:748)\n","exception":null,"url":"http://10.7.46.191:7070/kylin/api/tables_and_columns
 <http://10.7.46.191:7070/kylin/api/tables_and_columns&gt;"}
&gt; &gt; at org.apache.kylin.jdbc.KylinMeta.getMetaProject(KylinMeta.java:125)
&gt; &gt; at org.apache.kylin.jdbc.KylinMeta.getSchemas(KylinMeta.java:142)
&gt; &gt; at 
org.apache.kylin.jdbc.shaded.org.apache.calcite.avatica.AvaticaDatabaseMetaData$10.call(AvaticaDatabaseMetaData.java:696)
&gt; &gt; at 
org.apache.kylin.jdbc.shaded.org.apache.calcite.avatica.AvaticaDatabaseMetaData$10.call(AvaticaDatabaseMetaData.java:692)
&gt; &gt; at 
org.apache.kylin.jdbc.shaded.org.apache.calcite.avatica.AvaticaConnection.invokeWithRetries(AvaticaConnection.java:793)
&gt; &gt; at 
org.apache.kylin.jdbc.shaded.org.apache.calcite.avatica.AvaticaDatabaseMetaData.getSchemas(AvaticaDatabaseMetaData.java:691)
&gt; &gt; at 
org.apache.kylin.jdbc.shaded.org.apache.calcite.avatica.AvaticaDatabaseMetaData.getSchemas(AvaticaDatabaseMetaData.java:714)
&gt; &gt; at 
smartbi.freequery.basicdata.SmartbiKYLINDialect.getSchemas(SmartbiKYLINDialect.java:32)
&gt; &gt; at 
smartbi.freequery.basicdata.MetaDataServiceImpl.getSchemas(MetaDataServiceImpl.java:519)
&gt; &gt; at 
smartbi.freequery.client.datasource.DataSourceService.getSchemas(DataSourceService.java:902)
&gt; &gt; at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
&gt; &gt; at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
&gt; &gt; at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
&gt; &gt; at java.lang.reflect.Method.invoke(Method.java:498)
&gt; &gt; at smartbi.framework.rmi.ClientService.execute(Smartbi:118)
&gt; &gt; at 
smartbi.framework.rmi.RMIServlet.processExecute(RMIServlet.java:230)
&gt; &gt; at smartbi.framework.rmi.RMIServlet.doPost(RMIServlet.java:168)
&gt; &gt; at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
&gt; &gt; at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
&gt; &gt; at 
io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85)
&gt; &gt; at 
io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)
&gt; &gt; at 
smartbi.extension.ExtensionFilter$2.doFilter(ExtensionFilter.java:163)
&gt; &gt; at 
smartbi.extension.ExtensionFilter$1.doFilter(ExtensionFilter.java:152)
&gt; &gt; at smartbi.security.patch.PatchFilter.doFilter(PatchFilter.java:70)
&gt; &gt; at 
smartbi.extension.ExtensionFilter$1.doFilter(ExtensionFilter.java:152)
&gt; &gt; at 
smartbi.weixin.filter.WxLoginFilter.doFilter(WxLoginFilter.java:194)
&gt; &gt; at 
smartbi.extension.ExtensionFilter$1.doFilter(ExtensionFilter.java:152)
&gt; &gt; at 
smartbi.extension.ExtensionFilter.doFilterInternal(ExtensionFilter.java:175)
&gt; &gt; at smartbi.extension.ExtensionFilter.doFilter(ExtensionFilter.java:64)
&gt; &gt; at 
io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
&gt; &gt; at 
io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
&gt; &gt; at smartbi.framework.rmi.TransactionFilter.doFilter(Smartbi:80)
&gt; &gt; at 
io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
&gt; &gt; at 
io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
&gt; &gt; at smartbi.freequery.filter.GZIPFilter.doFilter(GZIPFilter.java:211)
&gt; &gt; at smartbi.freequery.filter.Filter.doFilter(Filter.java:36)
&gt; &gt; at 
io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
&gt; &gt; at 
io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
&gt; &gt; at 
smartbi.freequery.filter.CheckIsLoggedFilter.doFilter(CheckIsLoggedFilter.java:208)
&gt; &gt; at 
io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
&gt; &gt; at 
io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
&gt; &gt; at smartbi.freequery.filter.TraceFilter.doFilter(TraceFilter.java:61)
&gt; &gt; at 
io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
&gt; &gt; at 
io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
&gt; &gt; at smartbi.framework.RedisSessionFilter.doFilter(Smartbi:125)
&gt; &gt; at 
io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
&gt; &gt; at 
io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
&gt; &gt; at 
io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
&gt; &gt; at 
io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
&gt; &gt; at 
io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
&gt; &gt; at 
org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
&gt; &gt; at 
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
&gt; &gt; at 
io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
&gt; &gt; at 
io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
&gt; &gt; at 
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
&gt; &gt; at 
io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
&gt; &gt; at 
io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
&gt; &gt; at 
io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
&gt; &gt; at 
io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
&gt; &gt; at 
io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
&gt; &gt; at 
io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
&gt; &gt; at 
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
&gt; &gt; at 
org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
&gt; &gt; at 
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
&gt; &gt; at 
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
&gt; &gt; at 
io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292)
&gt; &gt; at 
io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81)
&gt; &gt; at 
io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138)
&gt; &gt; at 
io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135)
&gt; &gt; at 
io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
&gt; &gt; at 
io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
&gt; &gt; at 
io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
&gt; &gt; at 
io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
&gt; &gt; at 
io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
&gt; &gt; at 
io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
&gt; &gt; at 
io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
&gt; &gt; at 
io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)
&gt; &gt; at 
io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
&gt; &gt; at 
io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104)
&gt; &gt; at 
io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
&gt; &gt; at 
io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:805)
&gt; &gt; at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
&gt; &gt; at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
&gt; &gt; at java.lang.Thread.run(Thread.java:748)
&gt; &gt; Caused by: java.io.IOException: GET failed, error code 500 and 
response: 
{"code":"999","data":null,"msg":null,"stacktrace":"java.lang.NullPointerException\n\tat
 
org.apache.kylin.query.schema.OLAPSchemaFactory.createTempOLAPJson(OLAPSchemaFactory.java:67)\n\tat
 
org.apache.kylin.query.QueryConnection.getConnection(QueryConnection.java:49)\n\tat
 
org.apache.kylin.rest.service.QueryService.getMetadata(QueryService.java:775)\n\tat
 
org.apache.kylin.rest.service.QueryService.getMetadata(QueryService.java:215)\n\tat
 
org.apache.kylin.rest.service.QueryService.getMetadataFilterByUser(QueryService.java:211)\n\tat
 
org.apache.kylin.rest.controller.QueryController.getMetadata(QueryController.java:193)\n\tat
 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\n\tat 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\n\tat
 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\n\tat
 java.lang.reflect.Method.invoke(Method.java:498)\n\tat 
org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)\n\tat
 
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)\n\tat
 
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)\n\tat
 
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:849)\n\tat
 
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:760)\n\tat
 
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)\n\tat
 
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)\n\tat
 
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)\n\tat
 
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)\n\tat
 
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)\n\tat
 javax.servlet.http.HttpServlet.service(HttpServlet.java:634)\n\tat 
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)\n\tat
 javax.servlet.http.HttpServlet.service(HttpServlet.java:741)\n\tat 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)\n\tat
 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat
 org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)\n\tat 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\n\tat
 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:317)\n\tat
 
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)\n\tat
 
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:114)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:170)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilterInternal(BasicAuthenticationFilter.java:215)\n\tat
 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:66)\n\tat
 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56)\n\tat
 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)\n\tat
 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)\n\tat
 
org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:214)\n\tat
 
org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:177)\n\tat
 
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:347)\n\tat
 
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:263)\n\tat
 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\n\tat
 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat
 com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:209)\n\tat 
com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:244)\n\tat 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\n\tat
 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat
 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)\n\tat
 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)\n\tat
 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:543)\n\tat
 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)\n\tat
 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)\n\tat
 
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:688)\n\tat
 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)\n\tat
 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)\n\tat
 
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:609)\n\tat
 
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)\n\tat
 
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:818)\n\tat
 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1623)\n\tat
 
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)\n\tat
 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n\tat
 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n\tat
 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)\n\tat
 
java.lang.Thread.run(Thread.java:748)\n","exception":null,"url":"http://10.7.46.191:7070/kylin/api/tables_and_columns
 <http://10.7.46.191:7070/kylin/api/tables_and_columns&gt;"}
&gt; &gt; at 
org.apache.kylin.jdbc.KylinClient.asIOException(KylinClient.java:494)
&gt; &gt; at 
org.apache.kylin.jdbc.KylinClient.retrieveMetaData(KylinClient.java:306)
&gt; &gt; at org.apache.kylin.jdbc.KylinMeta.getMetaProject(KylinMeta.java:121)
&gt; &gt; ... 83 more
&gt; &gt; 
&gt; &gt; 广州思迈特软件有限公司&nbsp; 赵尉余
&gt; 
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 &nbsp; &nbsp; 
&gt; &gt;&nbsp; 
&gt; &gt;&nbsp; 更聪明的大数据分析软件,快速挖掘企业数据价值
&gt; &gt; 
&gt; &gt; 总部:广州市天河区高普路136号华天时代三楼
&gt; &gt; 官网:http://www.smartbi.com.cn <http://www.smartbi.com.cn/&gt;
&gt; &gt; 邮箱:[email protected] <mailto:[email protected]&gt;
&gt; &gt; 手机:15011620073
&gt; &gt; 电话:400-878-3819 转2
&gt; &gt; 技术支持公众号:Smartbi技术服务号
&gt; &gt;&nbsp; 
&gt; &gt; From: dev-help <mailto:[email protected]&gt;
&gt; &gt; Date: 2021-11-02 10:33
&gt; &gt; To: zhaoweiyu <mailto:[email protected]&gt;
&gt; &gt; Subject: WELCOME to [email protected] 
<mailto:[email protected]&gt;
&gt; &gt; Hi! This is the ezmlm program. I'm managing the
&gt; &gt; [email protected] <mailto:[email protected]&gt; mailing list.
&gt; &gt;&nbsp; 
&gt; &gt; I'm working for my owner, who can be reached
&gt; &gt; at [email protected] <mailto:[email protected]&gt;.
&gt; &gt;&nbsp; 
&gt; &gt; Acknowledgment: I have added the address
&gt; &gt;&nbsp; 
&gt; &gt;&nbsp; &nbsp; [email protected] 
<mailto:[email protected]&gt;
&gt; &gt;&nbsp; 
&gt; &gt; to the dev mailing list.
&gt; &gt;&nbsp; 
&gt; &gt; Welcome to [email protected] <mailto:[email protected]&gt;!
&gt; &gt;&nbsp; 
&gt; &gt; Please save this message so that you know the address you are
&gt; &gt; subscribed under, in case you later want to unsubscribe or change your
&gt; &gt; subscription address.
&gt; &gt;&nbsp; 
&gt; &gt;&nbsp; 
&gt; &gt; --- Administrative commands for the dev list ---
&gt; &gt;&nbsp; 
&gt; &gt; I can handle administrative requests automatically. Please
&gt; &gt; do not send them to the list address! Instead, send
&gt; &gt; your message to the correct command address:
&gt; &gt;&nbsp; 
&gt; &gt; To subscribe to the list, send a message to:
&gt; &gt;&nbsp; &nbsp; <[email protected] 
<mailto:[email protected]&gt;&gt;
&gt; &gt;&nbsp; 
&gt; &gt; To remove your address from the list, send a message to:
&gt; &gt;&nbsp; &nbsp; <[email protected] 
<mailto:[email protected]&gt;&gt;
&gt; &gt;&nbsp; 
&gt; &gt; Send mail to the following for info and FAQ for this list:
&gt; &gt;&nbsp; &nbsp; <[email protected] 
<mailto:[email protected]&gt;&gt;
&gt; &gt;&nbsp; &nbsp; <[email protected] 
<mailto:[email protected]&gt;&gt;
&gt; &gt;&nbsp; 
&gt; &gt; Similar addresses exist for the digest list:
&gt; &gt;&nbsp; &nbsp; <[email protected] 
<mailto:[email protected]&gt;&gt;
&gt; &gt;&nbsp; &nbsp; <[email protected] 
<mailto:[email protected]&gt;&gt;
&gt; &gt;&nbsp; 
&gt; &gt; To get messages 123 through 145 (a maximum of 100 per request), mail:
&gt; &gt;&nbsp; &nbsp; <[email protected] 
<mailto:[email protected]&gt;&gt;
&gt; &gt;&nbsp; 
&gt; &gt; To get an index with subject and author for messages 123-456 , mail:
&gt; &gt;&nbsp; &nbsp; <[email protected] 
<mailto:[email protected]&gt;&gt;
&gt; &gt;&nbsp; 
&gt; &gt; They are always returned as sets of 100, max 2000 per request,
&gt; &gt; so you'll actually get 100-499.
&gt; &gt;&nbsp; 
&gt; &gt; To receive all messages with the same subject as message 12345,
&gt; &gt; send a short message to:
&gt; &gt;&nbsp; &nbsp; <[email protected] 
<mailto:[email protected]&gt;&gt;
&gt; &gt;&nbsp; 
&gt; &gt; The messages should contain one line or word of text to avoid being
&gt; &gt; treated as sp@m, but I will ignore their content.
&gt; &gt; Only the ADDRESS you send to is important.
&gt; &gt;&nbsp; 
&gt; &gt; You can start a subscription for an alternate address,
&gt; &gt; for example "[email protected] <mailto:[email protected]&gt;";, just add 
a hyphen and your
&gt; &gt; address (with '=' instead of '@') after the command word:
&gt; &gt; <[email protected] 
<mailto:[email protected]&gt;&gt;
&gt; &gt;&nbsp; 
&gt; &gt; To stop subscription for this address, mail:
&gt; &gt; <[email protected] 
<mailto:[email protected]&gt;&gt;
&gt; &gt;&nbsp; 
&gt; &gt; In both cases, I'll send a confirmation message to that address. When
&gt; &gt; you receive it, simply reply to it to complete your subscription.
&gt; &gt;&nbsp; 
&gt; &gt; If despite following these instructions, you do not get the
&gt; &gt; desired results, please contact my owner at
&gt; &gt; [email protected] <mailto:[email protected]&gt;. 
Please be patient, my owner is a
&gt; &gt; lot slower than I am ;-)
&gt; &gt;&nbsp; 
&gt; &gt; --- Enclosed is a copy of the request I received.
&gt; &gt;&nbsp; 
&gt; &gt; Return-Path: <[email protected] 
<mailto:[email protected]&gt;&gt;
&gt; &gt; Received: (qmail 85785 invoked by uid 99); 2 Nov 2021 02:33:00 -0000
&gt; &gt; Received: from spamproc1-he-de.apache.org 
<http://spamproc1-he-de.apache.org/&gt; (HELO spamproc1-he-de.apache.org 
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&gt; &gt; by spamproc1-he-de.apache.org <http://spamproc1-he-de.apache.org/&gt; 
(ASF Mail Server at spamproc1-he-de.apache.org 
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&gt; &gt; RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001,
&gt; &gt; T_KAM_HTML_FONT_INVALID=0.01, T_MIME_MALF=0.01, URIBL_BLOCKED=0.001]
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([116.203.227.195])
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<http://spamproc1-he-de.apache.org/&gt; [116.203.196.100]) (amavisd-new, port 
10024)
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&gt; &gt; for 
<dev-sc.1635820176.mdpkldilmljjidaepgne-zhaoweiyu=smartbi.com...@kylin.apache.org
 
<mailto:dev-sc.1635820176.mdpkldilmljjidaepgne-zhaoweiyu=smartbi.com...@kylin.apache.org&gt;&gt;;
&gt; &gt; Tue,&nbsp; 2 Nov 2021 02:32:58 +0000 (UTC)
&gt; &gt; Received-SPF: Pass (mailfrom) identity=mailfrom; 
client-ip=18.194.254.142; helo=smtpbgeu2.qq.com <http://smtpbgeu2.qq.com/&gt;; 
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<mailto:[email protected]&gt;; receiver=<UNKNOWN&gt; 
&gt; &gt; Received: from smtpbgeu2.qq.com <http://smtpbgeu2.qq.com/&gt; 
(smtpbgeu2.qq.com <http://smtpbgeu2.qq.com/&gt; [18.194.254.142])
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<dev-sc.1635820176.mdpkldilmljjidaepgne-zhaoweiyu=smartbi.com...@kylin.apache.org
 
<mailto:dev-sc.1635820176.mdpkldilmljjidaepgne-zhaoweiyu=smartbi.com...@kylin.apache.org&gt;&gt;;
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&gt; &gt; for 
<dev-sc.1635820176.mdpkldilmljjidaepgne-zhaoweiyu=smartbi.com...@kylin.apache.org
 
<mailto:dev-sc.1635820176.mdpkldilmljjidaepgne-zhaoweiyu=smartbi.com...@kylin.apache.org&gt;&gt;;
 Tue, 02 Nov 2021 10:32:44 +0800 (CST)
&gt; &gt; X-QQ-SSF: 00400000002000T0M000B00A0000000
&gt; &gt; X-QQ-FEAT: 
rH4HH+Ck1K2KSCvrAQBZ93j+wLX0V6iEYq1AIXpfRset164K9GcmmpwbC4g4M
&gt; &gt; 
2tNm8nFveQeGlJCRnO85Vmq7njR4axSXanY16d5vGT8waGtzLUG7PPFv1Z/4Ec8uPWHhTCr
&gt; &gt; 
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fg3zVZkR3rrEGGzT8JXsEXTJq7HYR8XmhHipJhcCNoDK6wobPUPNmWq9fcJqWGjLJoEZ2Ze
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4D+xzTm2BqBe/tP7rJy1lIJu/5/EFG27+o76pLbO7NsZ2tFm8S/03IH5IkDN4y4B6agAg/C
&gt; &gt; fmmPLXF9TJkW9kAF/C+S/1YPvKAaFegrilboYnNhWSZfeL+Y0Dhzkmc0LXCjncTN
&gt; &gt; X-QQ-GoodBg: 2
&gt; &gt; Date: Tue, 2 Nov 2021 10:32:44 +0800
&gt; &gt; From: "[email protected] <mailto:[email protected]&gt;"; 
<[email protected] <mailto:[email protected]&gt;&gt;
&gt; &gt; To: dev-sc.1635820176.mdpkldilmljjidaepgne-zhaoweiyu=smartbi.com.cn 
<http://smartbi.com.cn/&gt; 
<dev-sc.1635820176.mdpkldilmljjidaepgne-zhaoweiyu=smartbi.com...@kylin.apache.org
 
<mailto:dev-sc.1635820176.mdpkldilmljjidaepgne-zhaoweiyu=smartbi.com...@kylin.apache.org&gt;&gt;
&gt; &gt; Subject: Re: confirm subscribe to [email protected] 
<mailto:[email protected]&gt;
&gt; &gt; References: <[email protected] 
<mailto:[email protected]&gt;&gt;
&gt; &gt; X-Priority: 3
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