接口调用ES数据，报错如下，
java.lang.RuntimeException: Request cannot be executed; I/O reactor status: STOPPED
at org.elasticsearch.client.RestClient.extractAndWrapCause(RestClient.java:831)
at org.elasticsearch.client.RestClient.performRequest(RestClient.java:248)
at org.elasticsearch.client.RestClient.performRequest(RestClient.java:251)
at org.elasticsearch.client.RestClient.performRequest(RestClient.java:251)
at org.elasticsearch.client.RestClient.performRequest(RestClient.java:251)
at org.elasticsearch.client.RestClient.performRequest(RestClient.java:251)
at org.elasticsearch.client.RestClient.performRequest(RestClient.java:235)
at org.elasticsearch.client.RestHighLevelClient.internalPerformRequest(RestHighLevelClient.java:1514)
at org.elasticsearch.client.RestHighLevelClient.performRequest(RestHighLevelClient.java:1484)
at org.elasticsearch.client.RestHighLevelClient.performRequestAndParseEntity(RestHighLevelClient.java:1454)
at org.elasticsearch.client.RestHighLevelClient.search(RestHighLevelClient.java:970)
at com.rock.code.provider.es.controller.ElasticSearchInterfaceController.getEsKpiData(ElasticSearchInterfaceController.java:545)
at com.rock.code.provider.es.controller.ElasticSearchInterfaceController.collKpisByParams(ElasticSearchInterfaceController.java:135)
at sun.reflect.GeneratedMethodAccessor170.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:220)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:134)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:116)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:526)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:860)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1591)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
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)
Suppressed: java.lang.RuntimeException: Request cannot be executed; I/O reactor status: STOPPED
at org.elasticsearch.client.RestClient.extractAndWrapCause(RestClient.java:831)
at org.elasticsearch.client.RestClient.performRequest(RestClient.java:248)
... 58 more
Suppressed: java.lang.RuntimeException: Request cannot be executed; I/O reactor status: STOPPED
at org.elasticsearch.client.RestClient.extractAndWrapCause(RestClient.java:831)
at org.elasticsearch.client.RestClient.performRequest(RestClient.java:248)
... 57 more
Suppressed: java.lang.RuntimeException: Request cannot be executed; I/O reactor status: STOPPED
at org.elasticsearch.client.RestClient.extractAndWrapCause(RestClient.java:831)
at org.elasticsearch.client.RestClient.performRequest(RestClient.java:248)
... 56 more
Suppressed: org.apache.http.ConnectionClosedException: Connection closed unexpectedly
at org.elasticsearch.client.RestClient.extractAndWrapCause(RestClient.java:813)
at org.elasticsearch.client.RestClient.performRequest(RestClient.java:248)
... 55 more
Caused by: org.apache.http.ConnectionClosedException: Connection closed unexpectedly
at org.apache.http.nio.protocol.HttpAsyncRequestExecutor.closed(HttpAsyncRequestExecutor.java:146)
at org.apache.http.impl.nio.client.InternalIODispatch.onClosed(InternalIODispatch.java:71)
at org.apache.http.impl.nio.client.InternalIODispatch.onClosed(InternalIODispatch.java:39)
at org.apache.http.impl.nio.reactor.AbstractIODispatch.disconnected(AbstractIODispatch.java:100)
at org.apache.http.impl.nio.reactor.BaseIOReactor.sessionClosed(BaseIOReactor.java:277)
at org.apache.http.impl.nio.reactor.AbstractIOReactor.processClosedSessions(AbstractIOReactor.java:449)
at org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:283)
at org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:104)
at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:591)
... 1 more
Caused by: java.lang.IllegalStateException: Request cannot be executed; I/O reactor status: STOPPED
at org.apache.http.util.Asserts.check(Asserts.java:46)
at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase.ensureRunning(CloseableHttpAsyncClientBase.java:90)
at org.apache.http.impl.nio.client.InternalHttpAsyncClient.execute(InternalHttpAsyncClient.java:123)
at org.elasticsearch.client.RestClient.performRequest(RestClient.java:244)
... 56 more
Caused by: java.lang.IllegalStateException: Request cannot be executed; I/O reactor status: STOPPED
at org.apache.http.util.Asserts.check(Asserts.java:46)
at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase.ensureRunning(CloseableHttpAsyncClientBase.java:90)
at org.apache.http.impl.nio.client.InternalHttpAsyncClient.execute(InternalHttpAsyncClient.java:123)
at org.elasticsearch.client.RestClient.performRequest(RestClient.java:244)
... 57 more
Caused by: java.lang.IllegalStateException: Request cannot be executed; I/O reactor status: STOPPED
at org.apache.http.util.Asserts.check(Asserts.java:46)
at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase.ensureRunning(CloseableHttpAsyncClientBase.java:90)
at org.apache.http.impl.nio.client.InternalHttpAsyncClient.execute(InternalHttpAsyncClient.java:123)
at org.elasticsearch.client.RestClient.performRequest(RestClient.java:244)
... 58 more
Caused by: java.lang.IllegalStateException: Request cannot be executed; I/O reactor status: STOPPED
at org.apache.http.util.Asserts.check(Asserts.java:46)
at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase.ensureRunning(CloseableHttpAsyncClientBase.java:90)
at org.apache.http.impl.nio.client.InternalHttpAsyncClient.execute(InternalHttpAsyncClient.java:123)
at org.elasticsearch.client.RestClient.performRequest(RestClient.java:244)
... 59 more
请大神指教！！！如何解决
检查一下 ES 是否正常运行, 以及 9200 是否可以正常访问;
这种错一般是运行异常了，出现这种情况很多，要看你的代码是不是写错了，可以通过检查数组下标和数组边界来避免数组越界访问异常，或者类名错了