Hey Chris, I am having a little difficulty in logging. As mentioned before I am new to tomcat and don't exactly know how to enable logging. Could you please instruct me on how to do so.
Thanks, Noel On Tue, Jul 31, 2018 at 7:49 PM, noel joseph <noelvinu1...@gmail.com> wrote: > Thank you so much Cris I will try your methods and let you know off the > results. Thanks for the quick response! > > Cheers > Noel > > On Tue, Jul 31, 2018, 6:44 PM Christopher Schultz < > ch...@christopherschultz.net> wrote: > >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA256 >> >> Noel, >> >> On 7/31/18 2:54 AM, noel joseph wrote: >> > Hi, I am rather new to tomcat, I've been trying to embed tomcat in >> > a java application. I further want to convert this into a java web >> > start file so that on deploying it I can have a separate tomcat >> > server for my application. The error I am facing is... >> > org.apache.catalina.LifecycleException: A child container failed >> > during start. >> >> A "child container" usually ends up being something like an >> application. Do you have any logging enabled? If so, what does the log >> say? If not, try enabling logging and then checking the log. Tomcat is >> usually pretty verbose about what happened and what it happened to. >> >> > I tried a couple of methods to solve it but with no use, the error >> > still stays. I am using embedded tomcat 8.5.23, I changed it to the >> > latest tomcat 9.0.10 which fixed the error but then the server >> > didn't start. it just stops at.. WARNING: Creation of secureRandom >> > insatnce..... >> >> If you are hanging on creating SecureRandom, your server (or >> workstation) might have run out of cryptographic entropy. This can >> happen when you restart a server like Tomcat too rapidly and the OS >> doesn't have enough time to re-fill the entropy pool. >> >> Can you take a thread dump[1] of the running process the next time >> this stalls, just to be sure? >> >> > By reverting back to tomcat 8.5.23 this was solved but again I'm >> > facing the child container failed error. >> > >> > Please let me know if there is a fix to my issue or if there is a >> > better version of tomcat that I can use. >> >> The problem is likely with a component of your application. Logs will >> help discover the root of the problem. >> >> The decision to use Tomcat 8.5 or Tomcat 9.0 has more to do with your >> risk-aversion. Both versions are still under active development, but >> Tomcat 8.5 is more mature and stable (from a code perspective, not >> that it is any more reliable than 9.0). Both versions should be >> maintained for the next few years. >> >> Hope that helps, >> - -chris >> >> [1] >> https://wiki.apache.org/tomcat/HowTo#How_do_I_obtain_a_thread_dump_of_my >> _running_webapp_.3F >> -----BEGIN PGP SIGNATURE----- >> Comment: GPGTools - http://gpgtools.org >> Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ >> >> iQIzBAEBCAAdFiEEMmKgYcQvxMe7tcJcHPApP6U8pFgFAltgYMsACgkQHPApP6U8 >> pFiNlA//bg52WqByfHyAAEMep0a47ZIZ5Bn8D951/p6k5fht/G31ZlzLXXwYzlBk >> Redx7Aozx2JG7C0mfPXKHxcr8TqxPcEFC4LDBPs+ywRNhIkGE+ZQtVfIS9+3Wmz1 >> aKUsXiK0DYMiRHoHNY0V0G8Zt6sJNlT0MkFpAVbD3EcHm2vrw8T4G0+9lOslMe01 >> Pd172hZ+xE9zpouceFNFPHJVWldwSgxrXNvQOV0VdBVTME7BGMf6yWzJrMxLTNj6 >> z8EY501ZZd3awrva+JMRFnzQS4qS7dRBMgIP7qJ5S8LLH+OuWcJ99a1s1AAgX9hq >> x+bsuOugiZITz/GAD8+lbTIfiGeZefIALyekYCEwBH8lgMAqlZRhGc+H/5UsFwiX >> 1XEgDbaINHOrMWOBFJVAmT6b3pkSt/Rj2mnb0knYjRDVbcmkPyj3P1Px2opQjEkt >> adCxpCQYGDQh/Ddy+q0nj7flAkIgGRwQi7jIfLUJRvE00N0QlTNGscbXr+lzbQCr >> kh3xrvGsEWhiNluhZAosGmpwQPtcCByV4EBjNpvF4/p3mXEIOm/f+k9X816ian4B >> nDJOyjwDhxVFNVfHR7tP991CMPuQnK1SZf8wRj2S91Un9E+QOrtxusAOQch96M0D >> 4nKYH3vlduzaeqbdhSa5vAzsTVGffICl6PmowWeNGQ4I4c1vcBI= >> =x/SS >> -----END PGP SIGNATURE----- >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> >>
