Hi Tyler,
In case it's of any help..
For sites I've managed in the past, I've always had the following
general settings in Apache (with mod_proxy and mod_proxy_ajp):
## Proxy / Forwarding Settings ##
<Proxy *>
AddDefaultCharset Off
Order deny,allow
Allow from all
</Proxy>
# Pass all requests to Tomcat's AJP Connector
ProxyPass / ajp://localhost:8009/
ProxyPassReverse / ajp://localhost:8009/
In Tomcat 7, I just have:
<Connector port="8009" protocol="AJP/1.3" URIEncoding="UTF-8"/>
I also setup the / (ROOT) path to just load my DSpace UI of choice.
Since you are using Shibboleth, you may also wish to review your
settings for mod_shib. I doubt it's the root issue, but it's possible
that Shibboleth could be a factor as well. We do have recommended
mod_shib settings documented at:
https://wiki.duraspace.org/display/DSDOC5x/Authentication+Plugins#AuthenticationPlugins-ShibbolethAuthentication
This StackOverflow answer regarding the same error message also points
to using either "timeout" (in ProxyPass) or ProxyTimeout (which Hardy
recommended):
http://serverfault.com/questions/655362/mod-proxy-ajp-70007the-timeout-specified-has-expired-ajp-ilink-receive-can
Good luck! Let us know if you find a resolution, so that we can add it
to the wiki/documentation if needed.
- Tim
On 9/22/2015 9:38 AM, Tyler Danstrom wrote:
Hi,
So, after more investigation we've figured out that the problem is with
the ajp ilink
The following appears in our logs
[Wed Sep 16 14:51:35 2015] [error] (70007)The timeout specified has
expired: ajp_ilink_receive() can't receive header
[Wed Sep 16 14:51:35 2015] [error] ajp_read_header: ajp_ilink_receive failed
[Wed Sep 16 14:51:35 2015] [error] (70007)The timeout specified has
expired: proxy: read response failed from (null) (localhost)
Does anyone know what DSpace recommends to set on timeout with an AJP link?
On Thursday, September 17, 2015 at 11:00:00 AM UTC-5, helix84 wrote:
Never experienced this problem. 503 only ever correctly appears only
when tomcat is down. Here's my configuration:
Apache 2.2, 2.4:
ProxyPass / ajp://localhost:8009/ retry=2
ProxyPassReverse / ajp://localhost:8009/
Tomcat 7, 8:
<Connector port="8009" protocol="AJP/1.3" redirectPort="8443"
URIEncoding="UTF-8" />
I probably wouldn't set retry to 0. Try to turn on the keepalive
parameter:
http://httpd.apache.org/docs/2.4/mod/mod_proxy.html#proxypass
<http://httpd.apache.org/docs/2.4/mod/mod_proxy.html#proxypass>
Regards,
~~helix84
Compulsory reading: DSpace Mailing List Etiquette
https://wiki.duraspace.org/display/DSPACE/Mailing+List+Etiquette
<https://wiki.duraspace.org/display/DSPACE/Mailing+List+Etiquette>
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