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 Topic: Proxy Shared Worker Issue |
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idblew
Joined: 14 Nov 2014
Posts: 10
Location: Melbourne, Australia
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 Posted: Mon 23 Nov '15 4:28 Post subject: Proxy Shared Worker Issue |
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Hi,
I have a scenario whereby multiple customers are hosted from a common URL (not ideal but I have no control over this). Initial connection is handled by a hardware load-balancer (this deals with SSL and other security) which then forwards the requests to Apache.
Currently the configuration is as follows:
| Code: | <VirtualHost *:4744>
ServerName product.service.com
ProxyPass /customerA/WebHelpV1 http://127.0.0.1:8081/WebHelp
ProxyPassReverse /customerA/WebHelpV1 http://127.0.0.1:8081/WebHelpV1
ProxyPass /customerB/WebHelp http://127.0.0.1:8081/WebHelpV1
ProxyPassReverse /customerB/WebHelp http://127.0.0.1:8081/WebHelpV1
ProxyPass /customerC/WebHelp http://127.0.0.1:8081/WebHelpV1
ProxyPassReverse /customerC/WebHelp http://127.0.0.1:8081/WebHelpV1
</VirtualHost> |
This should allow us to have different customers using different versions of the "WebHelp" product.
On starting Apache, this generates the message:
| Code: | | [Mon Nov 23 00:22:36.103585 2015] [proxy:info] [pid 28049466:tid 1] AH01145: Sharing worker 'http://127.0.0.1:8081/WebHelp' instead of creating new worker 'http://localhost:8081/127.0.0.1:8081/WebHelp' |
The problem is that if CustomerB or CustomerC try accessing their respective /WebHelp (i.e. /customerB/WebHelp/) they're getting redirected to /CustomerA/WebHelp/, which I believe is due to the worker sharing.
Is there any way to avoid/workaround the sharing of the worker (fudge the Location header?) |
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idblew
Joined: 14 Nov 2014
Posts: 10
Location: Melbourne, Australia
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| Posted: Mon 23 Nov '15 4:52 Post subject: |
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Forgot to say, this is Apache 2.4.12 on AIX 6.1 (not that I think the O/S is the cause of this).
Have also replicated this on 2.4.17 |
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idblew
Joined: 14 Nov 2014
Posts: 10
Location: Melbourne, Australia
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| Posted: Mon 23 Nov '15 7:12 Post subject: |
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Just managed to answer my own question. 
Had to substitute the ProxyPass/ProxyPassReverse for Location sections, so this:
| Code: | <VirtualHost *:4744>
ServerName product.service.com
ProxyPass /customerA/WebHelp http://127.0.0.1:8081/WebHelpV1
ProxyPassReverse /customerA/WebHelp http://127.0.0.1:8081/WebHelpV1
ProxyPass /customerB/WebHelp http://127.0.0.1:8081/WebHelpV1
ProxyPassReverse /customerB/WebHelp http://127.0.0.1:8081/WebHelpV1
ProxyPass /customerC/WebHelp http://127.0.0.1:8081/WebHelpV1
ProxyPassReverse /customerC/WebHelp http://127.0.0.1:8081/WebHelpV1
</VirtualHost> |
becomes this:
| Code: | <VirtualHost *:4744>
ServerName product.service.com
[Location "/customerA/WebHelp"]
ProxyPass http://127.0.0.1:8081/WebHelpV1
ProxyPassReverse http://127.0.0.1:8081/WebHelpV1
[/Location]
[Location "/customerB/WebHelp"]
ProxyPass http://127.0.0.1:8081/WebHelpV1
ProxyPassReverse http://127.0.0.1:8081/WebHelpV1
[/Location]
[Location "/customerC/WebHelp"]
ProxyPass http://127.0.0.1:8081/WebHelpV1
ProxyPassReverse http://127.0.0.1:8081/WebHelpV1
[/Location]
</VirtualHost> |
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