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question asked: May 30 '16, 9:00 a.m.
question was seen: 1,975 times
last updated: Jun 02 '16, 12:31 a.m.

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Communication between Jazz repository cache server and build server is failing

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rashah (11●1●2) | asked May 30 '16, 9:00 a.m.
edited Jun 01 '16, 2:12 a.m.
Hello Community,

We had a power outage recently and post outage. Post outage, communication between server (trying to communicate with Jazz Proxy server) and jazz Repository cache server is failing.

Following is the error message found in logs from Jazz Build Engine: 

2016-05-25 12:47:06 [Jazz build engine]
2016-05-25 12:47:06 [Jazz build engine] Sleeping for 30 seconds...
2016-05-25 12:47:36 [Jazz build engine] CRRTC3524W: 
Communication with the repository failed due to this error: CRJAZ1368E 
The following URL cannot be reached: https://some-url.in.com:9443/jazz/versionCompatibility?clientVersion=5.0. The network stated that the URL is invalid. Error details: java.nio.channels.UnresolvedAddressException.
I have try to search the error code and couldn't find relevant solutions. Any links/pointers/solution is highly appreciated.


Comments
Lakshmi Narasimhan T V commented Jun 01 '16, 1:29 a.m.
JAZZ DEVELOPER

Hi,
The output is from Jazz Build Engine, typically running on a build machine. It might be an intermittent error.
What is the server and jazz Repository cache server referred to in the question?

rashah commented Jun 01 '16, 2:17 a.m.

Yes. The error logs are from JBE running on a build machine (RHEL 6.5)

Server is Build machine (RHEL 6.5)
Jazz Repository Cache server is a content caching proxy server (used to improve performance)

I was seeing this error messages continuously for 10+ days.

Update on this case: found out that there were two instances (of JBE) were running on build machine.
Still unable to understand if two instances are running, why both were failing ?

Sridevi Sangaiah commented Jun 02 '16, 12:31 a.m.
JAZZ DEVELOPER

Hi,

Like suggested in one of the answers here, did you try pinging the machine that JBE is trying to connect to?

Also if the build machine has not been restarted after the power outage, can you please restart it once and check if the problem still exists?

Thanks,
Sridevi

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Kevin Ramer (4.5k●8●183●200) | answered Jun 01 '16, 8:51 a.m.
Unresolved Address means that an IP address for some host name cannot be determined.  Try doing the ping command to the hostname in the URL.   It should come back with either "unknown host" or info with an IP address and any responses.

e.g.

$ ping fleen.orbit.edu
ping: unknown host fleen.orbit.edu

$ ping mail.google.com
PING googlemail.l.google.com (173.194.223.19) 56(84) bytes of data.

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