2012/4/30 Christopher Schultz <ch...@christopherschultz.net> > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Kate, > > On 4/30/12 7:06 AM, Agnieszka Allstar wrote: > > Here's my test scenario: 1. Web service client sends SOAP request > > to apache server. This client sends requests in 2 flavors, either > > it is a generic SOAP call (A case) or a soap request with some > > files attached with MTOM (B case). Web service is capable of > > handling both types of requests. 2. Once the processing starts, I > > kill this tomcat with "kill -9". > > > > The results are: A - when tomcat1 is killed, the request is > > automatically transmitted to tomcat2. Client receives correct > > results. This is OK. B - when tomcat1 is killed, the request is not > > transmitted to tomcat2. Client receives 502 error: bad gateway > > instead. > > Are you using POST to send both messages (A case and B case)? >
Yes, both are POST. > > What if you send a very *small* attachment via MTOM? I'm wondering > what the real difference is, since in both cases you should be sending > HTTP POST... the only difference should be larger Content-Length. > Good idea, gotta check the small attachment version and see what happens. I've also noticed that requests differ in Content-Type. For simple soap request is text/xml and the one with attachments is multipart/related; type="application/xop+xml (...). > > I wonder if mod_jk can only failover the current request (with no > error to the client) if the request is small enough (or only a small > amount has already been transferred to the failing server). > This could be it I'll check this out. I only need to wait few days until I'm back in office. > > > [Fri Apr 27 12:19:08 2012] [1376450:1] [error] > > service::jk_lb_worker.c (1425): unrecoverable error 502, request > > failed. Tomcat failed in the middle of reques [Fri Apr 27 12:19:08 > > 2012] [1376450:1] [error] service::jk_lb_worker.c (1485): All > > tomcat instances failed, no more workers left > > This looks like you have killed both tomcat instances and mod_jk can > contact neither of them. Are you sure you have gotten mod_jk back in > communication with both servers between "A case" and "B case" runs? If > you haven't, this isn't really a valid test. > I'm pretty sure there was only one tomcat killed but I'll rerun my tests. As for initial state, after each test I restart both mod_jk (apache) and tomcat servers and make sure they appear as ok in mod_jk. > > (It looks like some of your mod_jk.log lines have been truncated... > was that simply a copy/paste error?) > You're right thanks. > > - -chris > -----BEGIN PGP SIGNATURE----- > Version: GnuPG/MacGPG2 v2.0.17 (Darwin) > Comment: GPGTools - http://gpgtools.org > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAk+eplQACgkQ9CaO5/Lv0PCDWgCdGiF1xBEIUg3tDfj5bV/HjH+m > ZkYAoIcFbG7EmdyKm0Jha15HrGOzsC88 > =PQqY > -----END PGP SIGNATURE----- > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >
