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This product reached the end of support date on March 31, 2021.

[NAM] Rtmgate stops after a while


After some time, the rtmgate process stops. In the logs I see :

T ACL  19-03-13 13:23:29.050  GET /RtmDataServlet?cmd=zip_entry&entry=nfcstatus.xml&instance=nfc from
ACL 19-03-13 13:23:39.804 GET
E DATA 19-03-13 13:23:39.804 Unexpected prefix: oddata
T HTTP 19-03-13 13:23:53.298 Pausing ProtocolHandler ["http-apr-8443"]
T HTTP 19-03-13 13:23:53.505 Stopping service Catalina
T ACL 19-03-13 13:23:53.585 Destroying request / response logger
T DWS 19-03-13 13:23:53.587 Stopping watching thread ...
T DWS 19-03-13 13:23:53.590 Watch Service closed
T DWS 19-03-13 13:23:53.590 Watching thread stopped
HTTP 19-03-13 13:23:53.615 The web application [] appears to have
started a thread named [Thread-2] but has failed to stop it. This is
very likely to create a memory leak.
T HTTP 19-03-13 13:23:53.698 Stopping ProtocolHandler ["http-apr-8443"]
T HTTP 19-03-13 13:23:53.755 Destroying ProtocolHandler ["http-apr-8443"]

It seems that a request is causing the problem (Unexpected prefix oddata).

Any idea ?



Dynatrace Pro
Dynatrace Pro

Hi, the Unexpected prefix: oddata can be ignored, it's not causing a problem.

Have you stopped firewall service on your AMD? If so, it would automatically stop rtmgate (dependency) service too. It looks like the service was stopped by user, perhaps unintentionally. Firewall service is required for NAM 2018 AMD to function properly.

You're right !!! We're using iptables. When I start rtmgate, it stops iptables. But when puppet is launched, it restart iptables, and that stops rtmgate. We modified puppets so that it doesn't relaunch iptables. rtmgate shoudn't be stopped now.

Thank you Przemyslaw !