Symptoms
After a period of time, the Connection Server will no longer accept connections to the admin page, or via Horizon software client or HTML client. The page times out.Underlying Network accessibility to the connection broker is ok (ping, nslookup,)A restart of the Connection Server service restores connectivity.
If you generate a Horizon broker bundle and check ws_diag.txt (in the "diagnostics" directory)from Connection Server log bundles which is collected in the middle of a this issue.Reference: Collecting VMware Horizon View log bundles (1017939)
SimpleDeamonThread [15.625]
simple.http.MonitoredInputStream.close (Unknown)
java.io.FilterInputStream.close (Unknown)
com.vmware.vdi.ice.server.FrontedHttpConnection.closeInput @ 66
com.vmware.vdi.ice.server.FrontedHttpConnection.close @ 50
com.vmware.vdi.ice.Tunnel.graftConnection @ 646
com.vmware.vdi.ice.server.FrontedTunnel.<init> @ 172
com.vmware.vdi.ice.server.FrontedNetHandler.accept @ 334
com.vmware.vdi.ice.server.TunnelService.process @ 49
simple.http.serve.Component.handle @ 103
simple.http.serve.ResourceProcessor.handle @ 103
simple.http.Dispatcher.run @ 84
simple.util.process.Daemon.execute @ 123
simple.util.process.Daemon.run @ 108
Horizon Logs may contain lines similar to the following:
2023-05-08T10:57:57.314+09:00 WARN (1148-2538) <pool-3-thread-3> [PooledProcessor] Problem processing HTTP connection: Software caused connection abort: socket write error
Cause
This issue is related to OpenJDK. Horizon 2303 iutilizes OpenJDK 11.0.17.0.1.234. Older version is not occurred this issue like Horizon 2212.
Resolution
Currently, it is under investigation.
Workaround
If possible, please disable Secure tunneling in CS and test the behavior.
