我正在运行 Oracle APEX，并在 Tomcat 上配置了 ORDS。当从在 DB 上运行长时间运行的进程的浏览器发送 HTTP 请求时，HTTP 请求失败并出现以下错误：
内部服务器错误
服务器遇到内部错误或配置错误，无法完成您的请求。
请通过 admin@example.com 联系服务器管理员，告知他们此错误发生的时间，以及您在此错误之前执行的操作。
服务器错误日志中可能提供有关此错误的更多信息。
在 catalina 日志中可以看到以下错误：
WARNING [ajp-nio-0:0:0:0:0:0:0:1-8009-exec-3314] . java.io.IOException: An existing connection was forcibly closed by the remote host
org.apache.catalina.connector.ClientAbortException: java.io.IOException: An existing connection was forcibly closed by the remote host
at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:310)
at org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:273)
at org.apache.catalina.connector.CoyoteOutputStream.flush(CoyoteOutputStream.java:118)
at oracle.dbtools.http.servlet.NormalizedServletResponse$NormalizedOutputStream.flush(NormalizedServletResponse.java:890)
at oracle.dbtools.http.servlet.NormalizedServletResponse.flushBuffer(NormalizedServletResponse.java:217)
at oracle.dbtools.http.errors.ResponseFlusher.flushBuffer(ResponseFlusher.java:46)
at oracle.dbtools.http.errors.ErrorPageFilter.doFilter(ErrorPageFilter.java:112)
at oracle.dbtools.http.filters.HttpFilter.doFilter(HttpFilter.java:47)
at oracle.dbtools.http.filters.FilterChainImpl.doFilter(FilterChainImpl.java:64)
at oracle.dbtools.http.secure.ForceHttpsFilter.doFilter(ForceHttpsFilter.java:74)
at oracle.dbtools.http.filters.HttpFilter.doFilter(HttpFilter.java:47)
at oracle.dbtools.http.filters.FilterChainImpl.doFilter(FilterChainImpl.java:64)
at oracle.dbtools.http.auth.ForceAuthFilter.doFilter(ForceAuthFilter.java:44)
at oracle.dbtools.http.filters.HttpFilter.doFilter(HttpFilter.java:47)
at oracle.dbtools.http.filters.FilterChainImpl.doFilter(FilterChainImpl.java:64)
at oracle.dbtools.http.filters.Filters.filter(Filters.java:67)
at oracle.dbtools.http.entrypoint.EntryPoint.service(EntryPoint.java:82)
at oracle.dbtools.http.entrypoint.EntryPointServlet.service(EntryPointServlet.java:115)
at oracle.dbtools.entrypoint.WebApplicationRequestEntryPoint.service(WebApplicationRequestEntryPoint.java:50)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:228)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:667)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:687)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357)
at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:433)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:893)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1723)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: An existing connection was forcibly closed by the remote host
at sun.nio.ch.SocketDispatcher.write0(Native Method)
at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:51)
at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)
at sun.nio.ch.IOUtil.write(IOUtil.java:65)
at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:471)
at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:135)
at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.doWrite(NioEndpoint.java:1364)
at org.apache.tomcat.util.net.SocketWrapperBase.doWrite(SocketWrapperBase.java:766)
at org.apache.tomcat.util.net.SocketWrapperBase.flushBlocking(SocketWrapperBase.java:719)
at org.apache.tomcat.util.net.SocketWrapperBase.flush(SocketWrapperBase.java:709)
at org.apache.coyote.ajp.AjpProcessor.flush(AjpProcessor.java:1034)
at org.apache.coyote.AbstractProcessor.action(AbstractProcessor.java:402)
at org.apache.coyote.Response.action(Response.java:209)
at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:306)
... 41 more
我无法弄清楚是什么导致了这个问题。
任何帮助/线索表示赞赏。
谢谢