Springブート管理ログでAsyncRequestTimeoutExceptionが繰り返し発生する

Question

私は現在、ローカルマシン上でSpringブート管理をテスト目的で実行していますが、次のエラーが発生しています。アプリケーション自体は正常に動作しているようですが、ログにはこれらのエラーがいっぱいです。なぜか分かりません...

org.springframework.web.context.request.async.AsyncRequestTimeoutException: null 
    at org.springframework.web.context.request.async.TimeoutDeferredResultProcessingInterceptor.handleTimeout(TimeoutDeferredResultProcessingInterceptor.java:42) ~[spring-web-4.3.3.RELEASE.jar!/:4.3.3.RELEASE] 
    at org.springframework.web.context.request.async.DeferredResultInterceptorChain.triggerAfterTimeout(DeferredResultInterceptorChain.java:75) ~[spring-web-4.3.3.RELEASE.jar!/:4.3.3.RELEASE] 
    at org.springframework.web.context.request.async.WebAsyncManager$5.run(WebAsyncManager.java:392) ~[spring-web-4.3.3.RELEASE.jar!/:4.3.3.RELEASE] 
    at org.springframework.web.context.request.async.StandardServletAsyncWebRequest.onTimeout(StandardServletAsyncWebRequest.java:143) ~[spring-web-4.3.3.RELEASE.jar!/:4.3.3.RELEASE] 
    at org.apache.catalina.core.AsyncListenerWrapper.fireOnTimeout(AsyncListenerWrapper.java:44) ~[tomcat-embed-core-8.5.5.jar!/:8.5.5] 
    at org.apache.catalina.core.AsyncContextImpl.timeout(AsyncContextImpl.java:131) ~[tomcat-embed-core-8.5.5.jar!/:8.5.5] 
    at org.apache.catalina.connector.CoyoteAdapter.asyncDispatch(CoyoteAdapter.java:157) ~[tomcat-embed-core-8.5.5.jar!/:8.5.5] 
    at org.apache.coyote.AbstractProcessor.dispatch(AbstractProcessor.java:228) [tomcat-embed-core-8.5.5.jar!/:8.5.5] 
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:53) [tomcat-embed-core-8.5.5.jar!/:8.5.5] 
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:802) [tomcat-embed-core-8.5.5.jar!/:8.5.5] 
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1410) [tomcat-embed-core-8.5.5.jar!/:8.5.5] 
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-8.5.5.jar!/:8.5.5] 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_40] 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_40] 
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-8.5.5.jar!/:8.5.5] 
    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_40] 

Answer 1

私も同様のエラーがありました。あなたの中に、このプロパティを試してみてください

spring: 
    mvc: 
    async: 
     request-timeout: -1