09:05:20,243 ERROR [stderr] (default task-7) java.lang.RuntimeException: java.sql.SQLException: NamingException - Cannot connect to the database. Cause: null
09:05:20,243 ERROR [stderr] (default task-7) at com.vaadin.data.util.sqlcontainer.query.TableQuery.fetchMetaData(TableQuery.java:659)
09:05:20,244 ERROR [stderr] (default task-7) at com.vaadin.data.util.sqlcontainer.query.TableQuery.<init>(TableQuery.java:189)
09:05:20,244 ERROR [stderr] (default task-7) at com.vaadin.data.util.sqlcontainer.query.TableQuery.<init>(TableQuery.java:127)
09:05:20,244 ERROR [stderr] (default task-7) at com.vaadin.data.util.sqlcontainer.query.TableQuery.<init>(TableQuery.java:105)
09:05:20,247 ERROR [stderr] (default task-7) at com.vaadin.data.util.sqlcontainer.query.TableQuery.<init>(TableQuery.java:147)
09:05:20,247 ERROR [stderr] (default task-7) at com.kankan.ui.StartApp.init(StartApp.java:30)
09:05:20,247 ERROR [stderr] (default task-7) at com.vaadin.ui.UI.doInit(UI.java:641)
09:05:20,247 ERROR [stderr] (default task-7) at com.vaadin.server.communication.UIInitHandler.getBrowserDetailsUI(UIInitHandler.java:217)
09:05:20,247 ERROR [stderr] (default task-7) at com.vaadin.server.communication.UIInitHandler.synchronizedHandleRequest(UIInitHandler.java:74)
09:05:20,247 ERROR [stderr] (default task-7) at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:41)
09:05:20,248 ERROR [stderr] (default task-7) at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1406)
09:05:20,248 ERROR [stderr] (default task-7) at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:305)
09:05:20,248 ERROR [stderr] (default task-7) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
09:05:20,250 ERROR [stderr] (default task-7) at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85)
09:05:20,250 ERROR [stderr] (default task-7) at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:61)
09:05:20,251 ERROR [stderr] (default task-7) at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
09:05:20,251 ERROR [stderr] (default task-7) at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
09:05:20,251 ERROR [stderr] (default task-7) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
09:05:20,251 ERROR [stderr] (default task-7) at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
09:05:20,251 ERROR [stderr] (default task-7) at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:56)
09:05:20,251 ERROR [stderr] (default task-7) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
09:05:20,251 ERROR [stderr] (default task-7) at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:45)
09:05:20,251 ERROR [stderr] (default task-7) at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:63)
09:05:20,252 ERROR [stderr] (default task-7) at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:58)
09:05:20,252 ERROR [stderr] (default task-7) at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:70)
09:05:20,252 ERROR [stderr] (default task-7) at io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:76)
09:05:20,253 ERROR [stderr] (default task-7) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
09:05:20,253 ERROR [stderr] (default task-7) at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
09:05:20,253 ERROR [stderr] (default task-7) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
09:05:20,254 ERROR [stderr] (default task-7) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
09:05:20,254 ERROR [stderr] (default task-7) at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:261)
09:05:20,254 ERROR [stderr] (default task-7) at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:247)
09:05:20,254 ERROR [stderr] (default task-7) at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:76)
09:05:20,254 ERROR [stderr] (default task-7) at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:166)
09:05:20,254 ERROR [stderr] (default task-7) at io.undertow.server.Connectors.executeRootHandler(Connectors.java:197)
09:05:20,255 ERROR [stderr] (default task-7) at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:759)
09:05:20,255 ERROR [stderr] (default task-7) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
09:05:20,256 ERROR [stderr] (default task-7) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
09:05:20,256 ERROR [stderr] (default task-7) at java.lang.Thread.run(Thread.java:745)
09:05:20,257 ERROR [stderr] (default task-7) Caused by: java.sql.SQLException: NamingException - Cannot connect to the database. Cause: null
09:05:20,259 ERROR [stderr] (default task-7) at com.vaadin.data.util.sqlcontainer.connection.J2EEConnectionPool.lookupDataSource(J2EEConnectionPool.java:63)
09:05:20,259 ERROR [stderr] (default task-7) at com.vaadin.data.util.sqlcontainer.connection.J2EEConnectionPool.getDataSource(J2EEConnectionPool.java:51)
09:05:20,259 ERROR [stderr] (default task-7) at com.vaadin.data.util.sqlcontainer.connection.J2EEConnectionPool.reserveConnection(J2EEConnectionPool.java:43)
09:05:20,260 ERROR [stderr] (default task-7) at com.vaadin.data.util.sqlcontainer.query.AbstractTransactionalQuery.getConnection(AbstractTransactionalQuery.java:167)
09:05:20,260 ERROR [stderr] (default task-7) at com.vaadin.data.util.sqlcontainer.query.TableQuery.fetchMetaData(TableQuery.java:608)
09:05:20,260 ERROR [stderr] (default task-7) ... 38 more
09:05:20,260 ERROR [stderr] (default task-7) Caused by: javax.naming.NameNotFoundException; remaining name 'java:/kankan'
09:05:20,260 ERROR [stderr] (default task-7) at org.eclipse.jetty.jndi.local.localContextRoot.lookup(localContextRoot.java:490)
09:05:20,260 ERROR [stderr] (default task-7) at org.eclipse.jetty.jndi.local.localContextRoot.lookup(localContextRoot.java:536)
09:05:20,260 ERROR [stderr] (default task-7) at javax.naming.InitialContext.lookup(InitialContext.java:417)
09:05:20,260 ERROR [stderr] (default task-7) at javax.naming.InitialContext.lookup(InitialContext.java:417)
09:05:20,261 ERROR [stderr] (default task-7) at com.vaadin.data.util.sqlcontainer.connection.J2EEConnectionPool.lookupDataSource(J2EEConnectionPool.java:59)
09:05:20,261 ERROR [stderr] (default task-7) ... 42 more