WLS 10.3 Does not respond to GET requests (HTTP/1.0)
Hi All,
I have 2 WLS servers running on separate physical hosts behind a cisco CSS load balancer. The keep-alive method the Cisco CSS uses is HTTP GET messages. This keep-alive method does not appear to work, because my WLS servers are not responding to the GET requests with HTTP 200 OKs (as would be expected). These GET messaged appear in the access logs, as follows, but from traces taken on the host, there are no HTTP 200 messages ever transmitted. I see no exceptions or errors related to this in the server or access logs.
WLS access log:
192.168.1.1 - - [14/Dec/2011:18:23:35 +0000] "HEAD /APPDIR/index.jsp HTTP/1.0" 200 0
192.168.1.1 - - [14/Dec/2011:18:23:45 +0000] "HEAD /APPDIR/index.jsp HTTP/1.0" 200 0
192.168.1.1 - - [14/Dec/2011:18:23:55 +0000] "HEAD /APPDIR/index.jsp HTTP/1.0" 200 0
Interestingly, If i use a http-ping tool to send HEAD messages, the server correctly responds with the 200. A major difference between the CSS and the ping-tool, is that the CSS is using HTTP/1.0 where the ping tool uses HTTP/1.1. The GET requests are formatted a bit differently too. Below is how the different GET messages are formatted. Is it possible that WLS 11g does not support HTTP/1.0? Is there any method of debugging that I can employ to troubleshoot this further? As mentioned I do not see any errors or exceptions in the server logs or access logs....
Many thanks, in advance.
HTTP-PING TOOL HEAD MESSAGE - weblogic responds to this message
HEAD /APPDIR/index.jsp HTTP/1.1
Host: myhost.domain.com:7005
Accept: */*
LOAD BALANCER HEAD MESSAGE -weblogic does not respond to this message
HEAD /APPDIR/index.jsp HTTP/1.0
Connection: Keep-Alive
User-Agent: Mozilla/4.06 [en] (WinNT; I)
Accept: image/gif, image/x-bitmap, image/jpeg, image/pjpeg, image/png, */*
Accept-Language: en
Accept-Charset: iso-8859-1,*,utf-8
Host: 192.168.1.66
Other than failing the base address test, does the device seem to work in the test panels? One quick test would be to open the digital I/O panel, change some of the lines to output, toggle the logic levels, and see if the line states track the logic levels. Also, you can switch to the Counter I/O panel, change the mode to simple event counting, set the event source to the internal 100KHz clock, and start the counter. If the counter is working properly, you should see the counter value increase at a rate of 100000/second.
If the test panels seem to work OK, you may still be able to use the board, despite the resource test failing. I still can't explain why the test fails, though.
Joe
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Date: Tue, 28 Jan 2014 10:28:26 -0800
From: [email protected]
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Re: Adobe Reader Does Not Respond in Windows 8
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Attachments:
MouseCoordinatesForPW.vi 178 KBaltenbach wrote:
Your overall program design is higly flawed. This calls for a single state machine with an event structure that handles all FP events. All your locals can be handled by shift regsters. Get rid of that useless stacked sequence!
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Message Edited by altenbach on 05-22-2007 09:23 AM
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