After above buildwar, the project become accessible at sheeloffice.com:8080/sheelcompliance (even on localhost:8080) but giving unexpected error on both host with below log
2019-06-22 21:56:19.079 DEBUG [http-nio-8080-exec-4] com.haulmont.cuba.web.App - Initializing application
2019-06-22 21:56:19.088 DEBUG [http-nio-8080-exec-4] com.haulmont.cuba.gui.theme.ThemeConstantsRepository - Loading theme constants
2019-06-22 21:56:19.149 DEBUG [http-nio-8080-exec-4] com.haulmont.cuba.web.security.WebAnonymousSessionHolder - Loading anonymous session
2019-06-22 21:56:21.484 INFO [http-nio-8080-exec-4] com.haulmont.cuba.core.sys.remoting.ClusteredHttpInvokerRequestExecutor - Invocation of http://sheeloffice:8080/sheelcompliance-core/remoting/cuba_TrustedClientService failed: java.net.UnknownHostException: sheeloffice
2019-06-22 21:56:21.484 INFO [http-nio-8080-exec-4] com.haulmont.cuba.core.sys.remoting.ClusteredHttpInvokerRequestExecutor - No more URL available
2019-06-22 21:56:21.503 ERROR [http-nio-8080-exec-4] com.haulmont.cuba.web.AppUI - Unable to init ui
java.lang.RuntimeException: Unable to login as anonymous!
at com.haulmont.cuba.web.DefaultApp.loginOnStart(DefaultApp.java:222) ~[cuba-web-7.0.7.jar:7.0.7]
at com.haulmont.cuba.web.AppUI.setupUI(AppUI.java:458) ~[cuba-web-7.0.7.jar:7.0.7]
at com.haulmont.cuba.web.AppUI.init(AppUI.java:323) ~[cuba-web-7.0.7.jar:7.0.7]
at com.vaadin.ui.UI.doInit(UI.java:738) [vaadin-server-8.6.4-13-cuba.jar:8.6.4-13-cuba]
at com.vaadin.server.communication.UIInitHandler.getBrowserDetailsUI(UIInitHandler.java:209) [vaadin-server-8.6.4-13-cuba.jar:8.6.4-13-cuba]
at com.vaadin.server.communication.UIInitHandler.synchronizedHandleRequest(UIInitHandler.java:67) [vaadin-server-8.6.4-13-cuba.jar:8.6.4-13-cuba]
at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:40) [vaadin-server-8.6.4-13-cuba.jar:8.6.4-13-cuba]
at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1577) [vaadin-server-8.6.4-13-cuba.jar:8.6.4-13-cuba]
at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:425) [vaadin-server-8.6.4-13-cuba.jar:8.6.4-13-cuba]
at com.haulmont.cuba.web.sys.CubaApplicationServlet.serviceAppRequest(CubaApplicationServlet.java:329) [cuba-web-7.0.7.jar:7.0.7]
at com.haulmont.cuba.web.sys.CubaApplicationServlet.service(CubaApplicationServlet.java:215) [cuba-web-7.0.7.jar:7.0.7]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) [servlet-api.jar:na]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) [catalina.jar:8.5.42]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.42]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.5.42]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.42]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.42]
at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:107) [spring-web-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:73) [spring-web-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at com.haulmont.cuba.web.sys.CubaHttpFilter.doFilter(CubaHttpFilter.java:108) [cuba-web-7.0.7.jar:7.0.7]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.42]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.42]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) [catalina.jar:8.5.42]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [catalina.jar:8.5.42]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) [catalina.jar:8.5.42]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137) [catalina.jar:8.5.42]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) [catalina.jar:8.5.42]
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660) [catalina.jar:8.5.42]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) [catalina.jar:8.5.42]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) [catalina.jar:8.5.42]
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:798) [tomcat-coyote.jar:8.5.42]
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-coyote.jar:8.5.42]
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:808) [tomcat-coyote.jar:8.5.42]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) [tomcat-coyote.jar:8.5.42]
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-coyote.jar:8.5.42]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [na:1.8.0_211]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [na:1.8.0_211]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.5.42]
at java.lang.Thread.run(Unknown Source) [na:1.8.0_211]
Caused by: com.haulmont.cuba.security.global.InternalAuthenticationException: Exception is thrown by login provider
at com.haulmont.cuba.web.security.ConnectionImpl.loginInternal(ConnectionImpl.java:208) ~[cuba-web-7.0.7.jar:7.0.7]
at com.haulmont.cuba.web.security.ConnectionImpl.login(ConnectionImpl.java:91) ~[cuba-web-7.0.7.jar:7.0.7]
at com.haulmont.cuba.web.DefaultApp.loginOnStart(DefaultApp.java:220) ~[cuba-web-7.0.7.jar:7.0.7]
... 38 common frames omitted
Caused by: org.springframework.remoting.RemoteAccessException: Could not access HTTP invoker remote service at [cuba_TrustedClientService]; nested exception is java.net.UnknownHostException: sheeloffice
at org.springframework.remoting.httpinvoker.HttpInvokerClientInterceptor.convertHttpInvokerAccessException(HttpInvokerClientInterceptor.java:231) ~[spring-web-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.remoting.httpinvoker.HttpInvokerClientInterceptor.invoke(HttpInvokerClientInterceptor.java:157) ~[spring-web-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at com.sun.proxy.$Proxy294.getAnonymousSession(Unknown Source) ~[na:na]
at com.haulmont.cuba.web.security.WebAnonymousSessionHolder.getAnonymousSessionFromService(WebAnonymousSessionHolder.java:74) ~[cuba-web-7.0.7.jar:7.0.7]
at com.haulmont.cuba.web.security.WebAnonymousSessionHolder.initializeAnonymousSession(WebAnonymousSessionHolder.java:65) ~[cuba-web-7.0.7.jar:7.0.7]
at com.haulmont.cuba.web.security.WebAnonymousSessionHolder.checkInitialized(WebAnonymousSessionHolder.java:54) ~[cuba-web-7.0.7.jar:7.0.7]
at com.haulmont.cuba.web.security.WebAnonymousSessionHolder.getAnonymousSession(WebAnonymousSessionHolder.java:43) ~[cuba-web-7.0.7.jar:7.0.7]
at com.haulmont.cuba.web.security.providers.AnonymousLoginProvider.login(AnonymousLoginProvider.java:51) ~[cuba-web-7.0.7.jar:7.0.7]
at com.haulmont.cuba.web.security.ConnectionImpl.loginInternal(ConnectionImpl.java:192) ~[cuba-web-7.0.7.jar:7.0.7]
... 40 common frames omitted
Caused by: java.net.UnknownHostException: sheeloffice
at java.net.AbstractPlainSocketImpl.connect(Unknown Source) ~[na:1.8.0_211]
at java.net.PlainSocketImpl.connect(Unknown Source) ~[na:1.8.0_211]
at java.net.SocksSocketImpl.connect(Unknown Source) ~[na:1.8.0_211]
at java.net.Socket.connect(Unknown Source) ~[na:1.8.0_211]
at java.net.Socket.connect(Unknown Source) ~[na:1.8.0_211]
at sun.net.NetworkClient.doConnect(Unknown Source) ~[na:1.8.0_211]
at sun.net.www.http.HttpClient.openServer(Unknown Source) ~[na:1.8.0_211]
at sun.net.www.http.HttpClient.openServer(Unknown Source) ~[na:1.8.0_211]
at sun.net.www.http.HttpClient.<init>(Unknown Source) ~[na:1.8.0_211]
at sun.net.www.http.HttpClient.New(Unknown Source) ~[na:1.8.0_211]
at sun.net.www.http.HttpClient.New(Unknown Source) ~[na:1.8.0_211]
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source) ~[na:1.8.0_211]
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(Unknown Source) ~[na:1.8.0_211]
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source) ~[na:1.8.0_211]
at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source) ~[na:1.8.0_211]
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(Unknown Source) ~[na:1.8.0_211]
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(Unknown Source) ~[na:1.8.0_211]
at org.springframework.remoting.httpinvoker.SimpleHttpInvokerRequestExecutor.writeRequestBody(SimpleHttpInvokerRequestExecutor.java:168) ~[spring-web-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at com.haulmont.cuba.core.sys.remoting.ClusteredHttpInvokerRequestExecutor.doExecuteRequest(ClusteredHttpInvokerRequestExecutor.java:77) ~[cuba-global-7.0.7.jar:7.0.7]
at org.springframework.remoting.httpinvoker.AbstractHttpInvokerRequestExecutor.executeRequest(AbstractHttpInvokerRequestExecutor.java:140) ~[spring-web-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.remoting.httpinvoker.HttpInvokerClientInterceptor.execute
this line gives you the failure. The fronend cannot talk to the backend. Do you deploy it as one war or as multiple wars on different servers (FE and BE separated)?
Probably the app property in web-app.properties is not configured correctly. This is probably how it looks currently