How to fix error when accessing resource manager from the Knox web ui?

RePacheco — Tue, 21 Apr 2026 07:42:41 GMT

I am have the next error when try to acces resource manager from the knox web ui

errror in gateway.log

INFO knox.gateway (ConfigurableHADispatch.java:failoverRequest(275)) - Failing over request to a different server: https://awsnode01:7183/favicon.ico?doAs=u3212
INFO knox.gateway (ConfigurableHADispatch.java:executeRequest(162)) - Could not connect to server: https://awsnode01:7183/favicon.ico?doAs=u3212 org.eclipse.jetty.io.EofException: Closed
INFO knox.gateway (ConfigurableHADispatch.java:failoverRequest(275)) - Failing over request to a different server: https://awsnode01:7183/favicon.ico?doAs=u3212
INFO knox.gateway (ConfigurableHADispatch.java:executeRequest(162)) - Could not connect to server: https://awsnode01:7183/favicon.ico?doAs=u3212 org.eclipse.jetty.io.EofException: Closed
INFO knox.gateway (ConfigurableHADispatch.java:failoverRequest(275)) - Failing over request to a different server: https://awsnode01:7183/favicon.ico?doAs=u3212
INFO knox.gateway (ConfigurableHADispatch.java:executeRequest(162)) - Could not connect to server: https://awsnode01:7183/favicon.ico?doAs=u3212 org.eclipse.jetty.io.EofException: Closed
INFO knox.gateway (ConfigurableHADispatch.java:failoverRequest(278)) - Maximum attempts 3 to failover reached for service: CM-UI
ERROR knox.gateway (AbstractGatewayFilter.java:doFilter(60)) - Failed to execute filter: java.io.IOException: Attempted read from closed stream.
ERROR knox.gateway (AbstractGatewayFilter.java:doFilter(60)) - Failed to execute filter:

ERROR knox.gateway (AbstractGatewayFilter.java:doFilter(60)) - Failed to execute filter: java.io.IOException: Attempted read from closed stream.
knox.gateway (GatewayFilter.java:doFilter(169)) - Gateway processing failed: java.io.IOException: Attempted read from closed stream.
java.io.IOException: Attempted read from closed stream.
at org.apache.http.impl.io.ChunkedInputStream.read(ChunkedInputStream.java:176)
at org.apache.http.conn.EofSensorInputStream.read(EofSensorInputStream.java:135)
at org.apache.http.conn.EofSensorInputStream.read(EofSensorInputStream.java:148)
at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:2314)
at org.apache.commons.io.IOUtils.copy(IOUtils.java:2270)
at org.apache.knox.gateway.filter.rewrite.impl.UrlRewriteResponse.streamResponse(UrlRewriteResponse.java:192)
at org.apache.knox.gateway.filter.GatewayResponseWrapper.streamResponse(GatewayResponseWrapper.java:58)
at org.apache.knox.gateway.dispatch.AbstractGatewayDispatch.writeResponse(AbstractGatewayDispatch.java:50)
at org.apache.knox.gateway.dispatch.DefaultDispatch.writeOutboundResponse(DefaultDispatch.java:212)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.failoverRequest(ConfigurableHADispatch.java:280)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.executeRequest(ConfigurableHADispatch.java:163)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.failoverRequest(ConfigurableHADispatch.java:276)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.executeRequest(ConfigurableHADispatch.java:163)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.failoverRequest(ConfigurableHADispatch.java:276)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.executeRequest(ConfigurableHADispatch.java:163)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.failoverRequest(ConfigurableHADispatch.java:276)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.executeRequest(ConfigurableHADispatch.java:163)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.executeRequestWrapper(ConfigurableHADispatch.java:125)
at org.apache.knox.gateway.dispatch.DefaultDispatch.doGet(DefaultDispatch.java:306)
at org.apache.knox.gateway.dispatch.GatewayDispatchFilter$GetAdapter.doMethod(GatewayDispatchFilter.java:174)
at org.apache.knox.gateway.dispatch.GatewayDispatchFilter.doFilter(GatewayDispatchFilter.java:125)
at org.apache.knox.gateway.filter.AbstractGatewayFilter.doFilter(AbstractGatewayFilter.java:58)
at org.apache.knox.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:349)
at org.apache.knox.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:263)
at org.apache.ranger.authorization.knox.RangerPDPKnoxFilter.doFilter(RangerPDPKnoxFilter.java:172)
at org.apache.ranger.authorization.knox.RangerPDPKnoxFilter.doFilter(RangerPDPKnoxFilter.java:110)
at org.apache.knox.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:349)
at org.apache.knox.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:263)
at org.apache.knox.gateway.identityasserter.common.filter.AbstractIdentityAssertionFilter.doFilterInternal(AbstractIdentityAssertionFilter.java:193)
at org.apache.knox.gateway.identityasserter.common.filter.AbstractIdentityAssertionFilter.access$000(AbstractIdentityAssertionFilter.java:53)
at org.apache.knox.gateway.identityasserter.common.filter.AbstractIdentityAssertionFilter$1.run(AbstractIdentityAssertionFilter.java:161)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.knox.gateway.identityasserter.common.filter.AbstractIdentityAssertionFilter.doAs(AbstractIdentityAssertionFilter.java:156)
at org.apache.knox.gateway.identityasserter.common.filter.AbstractIdentityAssertionFilter.continueChainAsPrincipal(AbstractIdentityAssertionFilter.java:146)
at org.apache.knox.gateway.identityasserter.common.filter.CommonIdentityAssertionFilter.doFilter(CommonIdentityAssertionFilter.java:94)
at org.apache.knox.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:349)
at org.apache.knox.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:263)
at org.apache.knox.gateway.filter.rewrite.api.UrlRewriteServletFilter.doFilter(UrlRewriteServletFilter.java:57)
at org.apache.knox.gateway.filter.AbstractGatewayFilter.doFilter(AbstractGatewayFilter.java:58)
at org.apache.knox.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:349)
at org.apache.knox.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:263)
at org.apache.knox.gateway.provider.federation.jwt.filter.AbstractJWTFilter$1.run(AbstractJWTFilter.java:206)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.knox.gateway.provider.federation.jwt.filter.AbstractJWTFilter.continueWithEstablishedSecurityContext(AbstractJWTFilter.java:201)
at org.apache.knox.gateway.provider.federation.jwt.filter.SSOCookieFederationFilter.doFilter(SSOCookieFederationFilter.java:173)
at org.apache.knox.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:349)
at org.apache.knox.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:263)
at org.apache.knox.gateway.filter.XForwardedHeaderFilter.doFilter(XForwardedHeaderFilter.java:50)
at org.apache.knox.gateway.filter.AbstractGatewayFilter.doFilter(AbstractGatewayFilter.java:58)
at org.apache.knox.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:349)
at org.apache.knox.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:263)
at org.apache.knox.gateway.GatewayFilter.doFilter(GatewayFilter.java:167)
at org.apache.knox.gateway.GatewayFilter.doFilter(GatewayFilter.java:92)
at org.apache.knox.gateway.GatewayServlet.service(GatewayServlet.java:135)
at org.eclipse.jetty.servlet.ServletHolder$NotAsync.service(ServletHolder.java:1443)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:791)
at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626)
at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1435)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1350)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.apache.knox.gateway.trace.TraceHandler.handle(TraceHandler.java:51)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.apache.knox.gateway.filter.CorrelationHandler.handle(CorrelationHandler.java:41)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.apache.knox.gateway.filter.PortMappingHelperHandler.handleDefaultTopologyMapping(PortMappingHelperHandler.java:151)
at org.apache.knox.gateway.filter.PortMappingHelperHandler.handle(PortMappingHelperHandler.java:102)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.eclipse.jetty.websocket.server.WebSocketHandler.handle(WebSocketHandler.java:115)
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.eclipse.jetty.server.Server.handle(Server.java:516)
at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388)
at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:540)
at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:395)
at org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:161)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:383)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:882)
at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1036)
at java.lang.Thread.run(Thread.java:748)
2023-03-10 17:52:49,661 ERROR knox.gateway (GatewayServlet.java:service(137)) - Gateway processing failed: java.io.IOException: Attempted read from closed stream.
java.io.IOException: Attempted read from closed stream.
at org.apache.http.impl.io.ChunkedInputStream.read(ChunkedInputStream.java:176)
at org.apache.http.conn.EofSensorInputStream.read(EofSensorInputStream.java:135)
at org.apache.http.conn.EofSensorInputStream.read(EofSensorInputStream.java:148)
at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:2314)
at org.apache.commons.io.IOUtils.copy(IOUtils.java:2270)
at org.apache.knox.gateway.filter.rewrite.impl.UrlRewriteResponse.streamResponse(UrlRewriteResponse.java:192)
at org.apache.knox.gateway.filter.GatewayResponseWrapper.streamResponse(GatewayResponseWrapper.java:58)
at org.apache.knox.gateway.dispatch.AbstractGatewayDispatch.writeResponse(AbstractGatewayDispatch.java:50)
at org.apache.knox.gateway.dispatch.DefaultDispatch.writeOutboundResponse(DefaultDispatch.java:212)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.failoverRequest(ConfigurableHADispatch.java:280)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.executeRequest(ConfigurableHADispatch.java:163)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.failoverRequest(ConfigurableHADispatch.java:276)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.executeRequest(ConfigurableHADispatch.java:163)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.failoverRequest(ConfigurableHADispatch.java:276)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.executeRequest(ConfigurableHADispatch.java:163)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.failoverRequest(ConfigurableHADispatch.java:276)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.executeRequest(ConfigurableHADispatch.java:163)
at org.apache.knox.gateway.ha.dispatch.ConfigurableHADispatch.executeRequestWrapper(ConfigurableHADispatch.java:125)
at org.apache.knox.gateway.dispatch.DefaultDispatch.doGet(DefaultDispatch.java:306)
at org.apache.knox.gateway.dispatch.GatewayDispatchFilter$GetAdapter.doMethod(GatewayDispatchFilter.java:174)
at org.apache.knox.gateway.dispatch.GatewayDispatchFilter.doFilter(GatewayDispatchFilter.java:125)
at org.apache.knox.gateway.filter.AbstractGatewayFilter.doFilter(AbstractGatewayFilter.java:58)
at org.apache.knox.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:349)
at org.apache.knox.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:263)
at org.apache.ranger.authorization.knox.RangerPDPKnoxFilter.doFilter(RangerPDPKnoxFilter.java:172)
at org.apache.ranger.authorization.knox.RangerPDPKnoxFilter.doFilter(RangerPDPKnoxFilter.java:110)
at org.apache.knox.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:349)
at org.apache.knox.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:263)
at org.apache.knox.gateway.identityasserter.common.filter.AbstractIdentityAssertionFilter.doFilterInternal(AbstractIdentityAssertionFilter.java:193)
at org.apache.knox.gateway.identityasserter.common.filter.AbstractIdentityAssertionFilter.access$000(AbstractIdentityAssertionFilter.java:53)
at org.apache.knox.gateway.identityasserter.common.filter.AbstractIdentityAssertionFilter$1.run(AbstractIdentityAssertionFilter.java:161)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.knox.gateway.identityasserter.common.filter.AbstractIdentityAssertionFilter.doAs(AbstractIdentityAssertionFilter.java:156)
at org.apache.knox.gateway.identityasserter.common.filter.AbstractIdentityAssertionFilter.continueChainAsPrincipal(AbstractIdentityAssertionFilter.java:146)
at org.apache.knox.gateway.identityasserter.common.filter.CommonIdentityAssertionFilter.doFilter(CommonIdentityAssertionFilter.java:94)
at org.apache.knox.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:349)
at org.apache.knox.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:263)
at org.apache.knox.gateway.filter.rewrite.api.UrlRewriteServletFilter.doFilter(UrlRewriteServletFilter.java:57)
at org.apache.knox.gateway.filter.AbstractGatewayFilter.doFilter(AbstractGatewayFilter.java:58)
at org.apache.knox.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:349)
at org.apache.knox.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:263)
at org.apache.knox.gateway.provider.federation.jwt.filter.AbstractJWTFilter$1.run(AbstractJWTFilter.java:206)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.knox.gateway.provider.federation.jwt.filter.AbstractJWTFilter.continueWithEstablishedSecurityContext(AbstractJWTFilter.java:201)
at org.apache.knox.gateway.provider.federation.jwt.filter.SSOCookieFederationFilter.doFilter(SSOCookieFederationFilter.java:173)
at org.apache.knox.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:349)
at org.apache.knox.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:263)
at org.apache.knox.gateway.filter.XForwardedHeaderFilter.doFilter(XForwardedHeaderFilter.java:50)
at org.apache.knox.gateway.filter.AbstractGatewayFilter.doFilter(AbstractGatewayFilter.java:58)
at org.apache.knox.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:349)
at org.apache.knox.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:263)
at org.apache.knox.gateway.GatewayFilter.doFilter(GatewayFilter.java:167)
at org.apache.knox.gateway.GatewayFilter.doFilter(GatewayFilter.java:92)
at org.apache.knox.gateway.GatewayServlet.service(GatewayServlet.java:135)
at org.eclipse.jetty.servlet.ServletHolder$NotAsync.service(ServletHolder.java:1443)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:791)
at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626)
at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1435)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1350)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.apache.knox.gateway.trace.TraceHandler.handle(TraceHandler.java:51)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.apache.knox.gateway.filter.CorrelationHandler.handle(CorrelationHandler.java:41)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.apache.knox.gateway.filter.PortMappingHelperHandler.handleDefaultTopologyMapping(PortMappingHelperHandler.java:151)
at org.apache.knox.gateway.filter.PortMappingHelperHandler.handle(PortMappingHelperHandler.java:102)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.eclipse.jetty.websocket.server.WebSocketHandler.handle(WebSocketHandler.java:115)
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.eclipse.jetty.server.Server.handle(Server.java:516)
at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388)
at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:540)
at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:395)
at org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:161)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:383)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:882)
at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1036)
at java.lang.Thread.run(Thread.java:748)

Re: How to fix error when accessing resource manager from the Knox web ui?

DianaTorres — Mon, 13 Mar 2023 23:07:28 GMT

@RePacheco Welcome to the Cloudera Community!
To help you get the best possible solution, I have tagged our Knox experts @Scharan & @niparmar who may be able to assist you further.

Please keep us updated on your post, and we hope you find a satisfactory solution to your query.

Re: How to fix error when accessing resource manager from the Knox web ui?

Scharan — Tue, 14 Mar 2023 00:41:45 GMT

@RePacheco I see below message from the shared logs, Can you check is Cloudera Manager is up and running on host awsnode01

INFO knox.gateway (ConfigurableHADispatch.java:executeRequest(162)) - Could not connect to server: https://awsnode01:7183/favicon.ico?doAs=u3212 org.eclipse.jetty.io.EofException: Closed

question How to fix error when accessing resource manager from the Knox web ui? in Support Questions

How to fix error when accessing resource manager from the Knox web ui?

Re: How to fix error when accessing resource manager from the Knox web ui?

Re: How to fix error when accessing resource manager from the Knox web ui?