Every minute or so, the AWI log shows these messages:
2018-06-06 11:23:48,527 pool-1-thread-1 [TRACE] NOSESSION/- NOUI [ork.entrypoint.servlet.ECCServletService] - requestEnd null
2018-06-06 11:23:48,527 pool-1-thread-1 [TRACE] NOSESSION/- NOUI [rypoint.maintenance.SessionCleanupThread] - Ignoring expected NPE caused by request sometimes being null
2018-06-06 11:24:34,656 http-nio-8080-exec-4 [TRACE] NOSESSION/- NOUI [ork.entrypoint.servlet.ECCServletService] - requestStart com.vaadin.server.VaadinServletRequest@1dd598a
2018-06-06 11:24:34,656 http-nio-8080-exec-4 [TRACE] UC4_EXP2:1/ABC1234/MYCOM NOUI 0000000003029230 [ork.entrypoint.servlet.ECCServletService] - requestEnd com.vaadin.server.VaadinServletRequest@1dd598a
2018-06-06 11:24:34,939 http-nio-8080-exec-3 [TRACE] UC4_EXP2:1/ABC1234/MYCOM NOUI 0000000003029230 [ork.entrypoint.servlet.ECCServletService] - requestEnd com.vaadin.server.VaadinServletRequest@64b59baf
2018-06-06 11:24:34,939 http-nio-8080-exec-3 [WARN ] UC4_EXP2:1/ABC1234/MYCOM NOUI 0000000003029230 [ork.entrypoint.servlet.ECCServletService] - 60.001s/60.001s [Request: GET /PUSH]
java.lang.RuntimeException: This took too long.
at com.uc4.webui.performance.PerformanceLogger.log(PerformanceLogger.java:338)
at com.uc4.webui.performance.PerformanceLogger.done(PerformanceLogger.java:267)
at com.uc4.ecc.framework.entrypoint.servlet.ECCServletService.requestEnd(ECCServletService.java:115)
at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1436)
at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:380)
at com.uc4.ecc.framework.entrypoint.servlet.main.MainApplicationServlet.service(MainApplicationServlet.java:147)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletHandler.java:96)
at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:79)
at org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:42)
at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:49)
at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
at org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterPipeline.java:48)
at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:39)
at org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServlet.java:67)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.felix.http.proxy.ProxyServlet.service(ProxyServlet.java:60)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:94)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:676)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1132)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1533)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1489)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
2018-06-06 11:24:34,994 http-nio-8080-exec-9 [TRACE] NOSESSION/- NOUI [ork.entrypoint.servlet.ECCServletService] - requestStart com.vaadin.server.VaadinServletRequest@4125aba8
The messages do not appear to be associated with any problems in the AWI. As far as I can tell, the AWI is working fine. Is there a way to prevent these messages from appearing?