Experimental Physics and Industrial Control System
On Apr 28, 2006, at 09:25 , mattei wrote:
> telnet mywebserverhost 80
> GET /archive/cgi/ArchiveDataServer.cgi HTTP/1.0<RETURN>
> <RETURN>
HTTP/1.1 405 Method Not Allowed
...
<p>XML-RPC Fault #-500: Expected HTTP method POST</p>
OK, this is good:
Your web server is running, it's launching the CGI program
for the archive data server, which is then providing an error
message because the simple telnet test doesn't follow
proper XML-RPC conventions.
/tmp/archserver.log:
04/28/2006 15:15:47 ---- ArchiveServer Started ----
04/28/2006 15:15:47 archiver.get_values
04/28/2006 15:15:47 how=3, count=787
04/28/2006 15:15:47 get_channel_data
Looks good so far. Is that in response to a request from the java
viewer?
Does it stop there?
-> Then you're probably using an older java viewer and older data server
with 3.14.8.
As indicated in tech-talk messages
http://www.aps.anl.gov/epics/tech-talk/2006/msg00317.php
and
http://www.aps.anl.gov/epics/tech-talk/2006/msg00353.php
the older java viewer tends to send garbage time stamps
(with non-normalized nanoseconds).
The data sever then runs into an 'assert' in R3.14.8 and quits.
Unfortunately you don't see that 'assert' message,
except maybe in some apache CGI debug mode.
If you download the latest archiver code from the web page,
the log file should look like this:
04/21/2006 08:44:39 ---- ArchiveServer 2.8.1 Started ----
04/21/2006 08:44:39 archiver.get_values
04/21/2006 08:44:39 how=3, count=1243
04/21/2006 08:44:39 Received excessive nano-seconds 2147483647,
forcing to 0
...
-> The nanoseconds are forced to 0 and we no longer crash.
If you use the patched java viewer from the web page,
it'll even send non-garbage time stamps.
Thanks,
-Kay
- References:
- ArchiveViewer mattei
- Re: ArchiveViewer Kay-Uwe Kasemir
- Re: ArchiveViewer mattei
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