Running an apache reverse proxy behind the UMP may cause an issue where the below error is seen in httpd logs:
'timeout specified has expired ah01030 ajp_ilink_receive() can't receive header'
The netstat output reported CLOSE_WAIT state for TCP connections on port 8009
Any UIM version
Apache reverse proxy
the WASP probe doesn't seem to release his TCP connections.
The setting below are added in raw config to the WASP probe
If it doesn’t exist, create a section under setup called ajp_connector. Then create two keys with values as follows:
Then, restart the WASP. All section and key names are case sensitive.
You’ll know the fix is working if the number of connections on port 8009 from the UMP to the reverse proxy drop substantially and you start to see connections that go into a closing state.