Sniffer on the network didn't find anything talking to the ajp port, but there was traffic within the app server box. I changed the port number and that got rid of the error. I will have to do some cleanup on the box.
Thanks for your help Rainer. On Mon, Aug 6, 2012 at 6:05 PM, Rainer Jung <rainer.j...@kippdata.de> wrote: > On 06.08.2012 23:39, Yasser wrote: > >> I am using Tomcat 7.0.29 fronted with Apache 2.2.22 modproxy. >> Configured Ajp as the protocol in httpd.conf and AjpNioProtocol in >> server.xml. >> After the server starts, the logs are filled with the following message: >> *Severe: Invalid message received with signature 20599 >> com.apache.coyote.ajp.**AjpMessage processHeader* >> > > It could be anything trying to talk to your AJP port. 20599 should mean, > that the first two bytes of the package are P (=80) and w (=119), because > 80*256 + 119 = 20599. > > It seem syou need to sniff your AJP port and see, from which system the > packets come. You could also check > > netstat -an > > for connections to your AJP port and check whether there are connections > coming from some unexpected system. Sniffing would be more reliable though. > > > There are no requests sent to the web or tomcat server and it still throws >> that error at an interval of 20 seconds. Access logs in tomcat and apache >> show that no request is coming in. What is causing the invalid message >> error ? >> > > If even the first packet doesn't make sense, then there will be no access > log entry. > > > Here is the configuration : >> httpd.conf >> ProxyPass /wl http:// ip : port /wl >> ProxyPassReverse /wl http:// ip : port /wl >> >> server.xml >> <Connector port="port" protocol="org.apache.coyote.**ajp.AjpNioProtocol" >> connectionTimeout="20000" acceptorThreadCount="2" maxThreads="600" >> redirectPort="8443" /> >> > > Regards, > > Rainer > > > ------------------------------**------------------------------**--------- > To unsubscribe, e-mail: > users-unsubscribe@tomcat.**apache.org<users-unsubscr...@tomcat.apache.org> > For additional commands, e-mail: users-h...@tomcat.apache.org > >
