PowerFlex 3.X: Logging Into Presentation Server HTTP error 500

The Presentation Server web UI won't load, and HTTP error 500 about GetMatched(String) is returned after attempting to log in. 

The Presentation Server scaleio.log shows the following errors:

2023-06-19 10:17:19,797 [qtp1832255355-132|WARN |org.eclipse.jetty.server.HttpChannel.handleException] /
java.lang.UnsupportedOperationException: Use .getMatched(String) instead
	at org.eclipse.jetty.http.pathmap.PathMappings.getMatch(PathMappings.java:259) ~[jetty-http-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.servlet.ServletHandler.getMappedServlet(ServletHandler.java:572) ~[rxrpc-jetty-0.7.26.jar:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:468) ~[rxrpc-jetty-0.7.26.jar:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[jetty-server-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1355) ~[jetty-server-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[jetty-server-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:181) ~[jetty-server-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:59) ~[jetty-server-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[jetty-server-9.4.49.v20220914.jar:9.4.49.v20220914]
	at com.emc.vxflexos.webui.backend.httpd.HttpResponseListenerHandlerWrapper.handle(HttpResponseListenerHandlerWrapper.java:24) ~[backend-server-3.6.1000.103.jar:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[jetty-server-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[jetty-server-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:487) ~[jetty-server-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:732) ~[jetty-server-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:479) [jetty-server-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [jetty-server-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [jetty-io-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [jetty-io-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:555) [jetty-io-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:410) [jetty-io-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:164) [jetty-io-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [jetty-io-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [jetty-io-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [jetty-util-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [jetty-util-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [jetty-util-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [jetty-util-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:409) [jetty-util-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [jetty-util-9.4.49.v20220914.jar:9.4.49.v20220914]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [jetty-util-9.4.49.v20220914.jar:9.4.49.v20220914]
	at java.lang.Thread.run(Thread.java:750) [?:1.8.0_371]

The web UI shows an error screen like this:
 

With Presentation Server 3.6.1 and below, the jetty library version is not compatible with the rxrpc library. Compatibility was fixed in Presentation Server 3.6.2.

Upgrade the Presentation Server to 3.6.2. Note that Presentation Server 3.6.2 requires Java 11, as stated in the Release Notes.

Impacted Versions

Presentation Server 3.6.1 and below

Fixed In Version

Presentation Server 3.6.2