Unexpected error if MESH term is invalid

If an invalid MESH term is provided, an "unexpected error" popup appears after some interaction with MINERVA. The error code depends on the provided MESH term:

• 404 for somedisease

  The log contains

  (AbstractHandlerExceptionResolver.java:186) - Handler execution resulted in exception: Object not found: somedisease

• 500 for some disease (including white space)

  The log contains

  (BaseController.java:47) - lcsb.mapviewer.annotation.services.annotators.AnnotatorException: Problem with accessing MeSH database
  lcsb.mapviewer.annotation.services.annotators.AnnotatorException: Problem with accessing MeSH database
          at lcsb.mapviewer.annotation.services.MeSHParser.getMeSH(MeSHParser.java:129)
          at lcsb.mapviewer.api.mesh.MeshRestImpl.getMesh(MeshRestImpl.java:32)
          at lcsb.mapviewer.api.mesh.MeshRestImpl$$FastClassBySpringCGLIB$$8c26e166.invoke(<generated>)
          at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
          at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717)
          at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
          at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
          at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)
          at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
          at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
          at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653)
          at lcsb.mapviewer.api.mesh.MeshRestImpl$$EnhancerBySpringCGLIB$$c94e994a.getMesh(<generated>)
          at lcsb.mapviewer.api.mesh.MeshController.getMesh(MeshController.java:34)
          at sun.reflect.GeneratedMethodAccessor174.invoke(Unknown Source)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
          at java.lang.reflect.Method.invoke(Method.java:498)
          at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
          at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
          at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:111)
          at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:806)
          at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:729)
          at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
          at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959)
          at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
          at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
          at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
          at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
          at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:316)
          at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:126)
          at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:90)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
          at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:114)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
          at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:69)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
          at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:122)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
          at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
          at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:169)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
          at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:48)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
          at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:205)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
          at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:120)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
          at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:64)
          at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
          at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:53)
          at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
          at org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:133)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
          at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:91)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
          at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:213)
          at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:176)
          at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
          at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
          at lcsb.mapviewer.bean.utils.JsfAjaxAccessControlAllowFilter.doFilter(JsfAjaxAccessControlAllowFilter.java:37)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
          at lcsb.mapviewer.bean.utils.XFrameAccessControlFilter.doFilter(XFrameAccessControlFilter.java:54)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
          at lcsb.mapviewer.bean.utils.CssContentTypeFilter.doFilter(CssContentTypeFilter.java:45)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
          at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
          at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
          at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)
          at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
          at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
          at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
          at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
          at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
          at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1087)
          at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
          at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
          at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
          at java.lang.Thread.run(Thread.java:748)
  Caused by: java.net.SocketException: Unexpected end of file from server
          at sun.reflect.GeneratedConstructorAccessor221.newInstance(Unknown Source)
          at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
          at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
          at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1944)
          at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1939)
          at java.security.AccessController.doPrivileged(Native Method)
          at sun.net.www.protocol.http.HttpURLConnection.getChainedException(HttpURLConnection.java:1938)
          at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1508)
          at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492)
          at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:263)
          at lcsb.mapviewer.annotation.cache.WebPageDownloader$1Task.call(WebPageDownloader.java:143)
          at lcsb.mapviewer.annotation.cache.WebPageDownloader$1Task.call(WebPageDownloader.java:98)
          at java.util.concurrent.FutureTask.run(FutureTask.java:266)
          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
          ... 1 more
  Caused by: java.net.SocketException: Unexpected end of file from server
          at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:851)
          at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:678)
          at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:848)
          at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:678)
          at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1587)
          at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492)
          at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)
          at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:347)
          at lcsb.mapviewer.annotation.cache.WebPageDownloader$1Task.call(WebPageDownloader.java:123)
          ... 5 more