-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Sean,
On 8/10/16 10:39 AM, Sean Son wrote: > On Wed, Aug 10, 2016 at 10:06 AM, Sean Son > <linuxmailinglistsem...@gmail.com >> wrote: > >> >> >> On Tue, Aug 9, 2016 at 5:05 PM, Mark Eggers >> <its_toas...@yahoo.com.invalid >>> wrote: >> >>> Sean, >>> >>> >>> On 8/9/2016 1:55 PM, Sean Son wrote: >>>> On Mon, Aug 8, 2016 at 11:31 AM, Mark Eggers >>>> <its_toas...@yahoo.com.invalid> wrote: >>>> >>>>> Sean, >>>>> >>>>> On 8/8/2016 7:10 AM, Sean Son wrote: >>>>>> On Fri, Aug 5, 2016 at 5:34 PM, Mark Eggers >>>>> <its_toas...@yahoo.com.invalid> >>>>>> wrote: >>>>>> >>>>>>> On 8/5/2016 2:19 PM, Sean Son wrote: >>>>>>>> Hello! >>>>>>>> >>>>>>>> I am currently running Tomcat 8 on RHEL 7.2 with one >>>>>>>> web application called AppVet (A mobile Application >>>>>>>> Vetting program). The application works well but >>>>>>>> when I tried to use a script to allow tomcat to start >>>>>>>> up at boot, the webapp gives an authentication error. >>>>>>>> I saw the following error in the logs for appvet: >>>>>>>> >>>>>>>> >>>>>>>> [ERROR] Could not connect to database: >>>>>>>> com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: >>>>>>>> >>>>>>>> Communications link failure >>>>>>>> >>>>>>>> The last packet sent successfully to the server was >>>>>>>> 0 milliseconds ago. The driver has not received any >>>>>>>> packets from the server. Make sure your MySQL >>>>>>>> password in your AppVetProperties.xml file is >>>>>>>> correct >>>>>>>> >>>>>>>> >>>>>>>> I know for a fact that the MySQL password is correct >>>>>>>> in that XML file. I double checked it already. Any >>>>>>>> ideas on how I should fix this error? >>>>>>>> >>>>>>>> This is the script that I am using for >>>>>>>> startup/shutdown of Tomcat8 on boot: >>>>>>>> >>>>>>>> http://pastebin.com/mrvfDtTD >>>>>>>> >>>>>>>> Thanks! >>>>>>>> >>>>>>>> Sean >>>>>>>> >>>>>>> >>>>>>> It appears that your Tomcat process is running as root. >>>>>>> Do not do this. >>>>>>> >>>>>>> Is your MySQL server up and running before Tomcat is >>>>>>> started? >>>>>>> >>>>>>> . . . just my two cents /mde/ >>>>>>> >>>>>>> >>>>>> Hello thank you for your response >>>>>> >>>>>> I created a user account for Tomcat, I will set the >>>>>> script to use that account instead of the root account. >>>>>> Question though, does this account need a password? >>>>> >>>>> Yes, especially since you'll be running a service. >>>>> >>>>> Note that if you're running Tomcat on a privileged port >>>>> (less than 1024), a non-root account will not be able to >>>>> bind to this port. >>>>> >>>>> You have three choices. >>>>> >>>>> 1. iptables >>>>> >>>>> route port 80 to port 8080 (Tomcat default) internally. >>>>> Take a look at the iptables documentation. >>>>> >>>>> 2. jsvc >>>>> >>>>> jsvc from the Apache Commons Daemon project allows you to >>>>> run a service such as Tomcat more easily. I don't remember >>>>> if there is an RPM for RHEL or not (possible in EPEL). It's >>>>> configuration and startup script are different, but the >>>>> documentation is a good start (there are Tomcat examples). >>>>> >>>>> https://commons.apache.org/proper/commons-daemon/jsvc.html >>>>> >>>>> 3. Apache HTTPD front end with mod_proxy_ajp or mod_jk >>>>> >>>>> I'd do this if you need Apache HTTPD for other web >>>>> applications (a PHP application, perhaps). There is good >>>>> documentation available on the Tomcat web site, as well as >>>>> a ton of discussion on the mailing list to get this >>>>> running. >>>>> >>>>> If you don't feel like building software, I'd recommend >>>>> mod_proxy_ajp. I find mod_jk more flexible and a little >>>>> easier to use (opinions on easy of use vary), but you'd >>>>> have to build mod_jk from source. It's easy to do, but some >>>>> people find that a little more challenging. >>>>> >>>>>> >>>>>> Also, I cant tell if the MySQL server is up and running >>>>>> prior to Tomcat being started. I know that mysqld is >>>>>> enabled to start at boot, but I dont know if Tomcat >>>>>> starts prior to MySQL. How would I figure that out? >>>>>> >>>>> >>>>> I thought REHL 7 uses systemd and not init scripts? >>>>> >>>>> There have been many discussions on the mailing list >>>>> concerning systemd and Tomcat. I think someone has posted >>>>> appropriate systemd scripts. >>>>> >>>>> If not, then look at /etc/rc3.d. Start and stop scripts >>>>> are executed in numerical order. Start scripts start with >>>>> S, stop scripts start with K. >>>>> >>>>> Adjust the numbers in your Tomcat init script >>>>> (/etc/initinit.d) so that the start comes after MySQL >>>>> (second number in the chkconfig line). >>>>> >>>>> You'll have to chkconfig --del and chkconfig --add to have >>>>> the new numbers take effect in /etc/rcx.d. >>>>> >>>>>> >>>>>> Thanks! >>>>>> >>>>> >>>>> . . . just my two cents /mde/ >>>>> >>>>> >>>>> >>>> >>>> hello thank you for your response. >>>> >>>> So i decided to go the SystemD route and I found this >>>> article online: >>>> >>>> https://panovski.me/install-tomcat-8-on-centos-7/ >>>> >>>> I followed the instructions and instead of downloading Tomcat >>>> and installing it in /opt/tomcat, I copied the existing >>>> Tomcat installation, which was in /home/username, into >>>> /opt/tomcat and I gave the entire installation directory, an >>>> owner and group of tomcat. Then I set up the following >>>> tomcat.service unit file: >>>> >>>> >>>> [Unit] Description=Apache Tomcat Web Application Container >>>> After=network.target >>>> >>>> [Service] Type=forking PIDFile=/var/run/tomcat.pid >>>> Environment=CATALINA_PID=/var/run/tomcat.pid >>>> Environment=JAVA_HOME=/usr/java/jdk1.8.0_92 >>>> Environment=CATALINA_HOME=/opt/tomcat/apache-tomcat-8.0.35 >>>> Environment=CATALINA_BASE=/opt/tomcat/apache-tomcat-8.0.35 >>>> Environment=CATALINA_OPTS= >>>> >>>> ExecStart=/opt/tomcat/apache-tomcat-8.0.35/bin/jsvc \ >>>> -Dcatalina.home=${CATALINA_HOME} \ >>>> -Dcatalina.base=${CATALINA_BASE} \ -cp >>>> ${CATALINA_HOME}/bin/commons-daemon.jar:${CATALINA_HOME}/bin >>> /bootstrap.jar:${CATALINA_HOME}/bin/tomcat-juli.jar >>>> >>>> >>> \ >>>> -user tomcat \ -java-home ${JAVA_HOME} \ -pidfile >>>> /var/run/tomcat.pid \ -errfile SYSLOG \ -outfile SYSLOG \ >>>> $CATALINA_OPTS \ org.apache.catalina.startup.Bootstrap >>>> >>>> ExecStop=/opt/tomcat/bin/jsvc \ -pidfile /var/run/tomcat.pid >>>> \ -stop \ org.apache.catalina.startup.Bootstrap >>>> >>>> [Install] WantedBy=multi-user.target >>>> >>>> >>>> >>>> I set up JSVC as well just like how the article suggested, >>>> but when I run systemctl start tomcat and I try to browse to >>>> https://IP Address:8443 (I am using SSL on Tomcat), I get >>>> the following errors in the webbrowser: >>>> >>>> http://pastebin.com/8RANM5NF >>>> >>>> Any ideas on what I should do to resolve this issue? >>>> >>>> Thanks! >>>> >>> >>> Looks like a permissions problem: >>> >>> /opt/tomcat/apache-tomcat-8.0.35/work/Catalina/localhost/ROO >>> T/org/apache/jsp/index_jsp.class (Permission denied) >>> >>> What are the permissions and ownership (owner, group) for the >>> files and directories under /opt/tomcat - especially >>> /opt/tomcat/apache-tomcat-8.0.35? >>> >>> . . . just my two cents /mde/ >>> >>> >> Hello ! thank you for your response >> >> I checked the permissions for that path: the owner and group for >> the path is tomcat:tomcat EXCEPT for the index_jsp.class and >> index_jsp.java, both of which are owned/group by root. So it >> looks like when the systemd unit is ran, the two files are >> created by root as opposed to by Tomcat. how would I fix this? >> >> >> Thanks! >> >> >> > > Hello > > I changed the permissions on the two files tomcat:tomcat and > restarted Tomcat... it took a while, probably close to 10 minutes > for the server to come up but now I can see the Tomcat start page.. > How come it takes so long for it to start up? Any way that I can > speed up the process? Take a thread dump to find out what's going on. My guess is that the server is waiting for entropy from /dev/random - -chris -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBCAAGBQJXq0sQAAoJEBzwKT+lPKRYF/MQAL51sKfOB9hwdTAmI+H2BHE4 ffH3IRwJX7VxN/5Qomjx8/SjrT6aprEt6w11tUtWDRoXLD9L0WmjrEYqXWvvSFU1 EuZlqtlODX4yjmOWLYarpoDcx2JgbMCFnQzTdMlWKa/NBZm4VE0JylHaN1HL1oUM Nd0UP7CvVfCQtgVp48uv+J/NXN4b43tA3Gpi89bDnadEbjtS626xO9XG06ziplrq NrywiRaHlPthviAavDNqLrnOZ6xEVD5v13y/pijniITgYjC0NocS2ZH2U6yItvY6 JsC8mUQVKtyLeqrIuLWjApU0hJLrAPJq5MZ+Qsym3A35zs2rgcD19EM/n7leywi5 6gRfYSs45ip/Cnw/2yb/76lM04YeCfGFXUw6u1w3oBz6Xw8O2ym+vGOj4AH2L025 rzaLMjN2pDc+QLClacnjWi1nYrtUYPgMSzgdNB5C3DxfT6KnXyWPSNTX4J5hIvwd vyjX9p/oY+ZVV4dc2hfcB2gHpBLCDukX/av1/Qk3+31L4+pIftbP6TpikvQxLY35 4Pq+sUwPeyRNQHT7UVoL3PkYNDr/AO+Rqn3gqb2QZvxyfFl8eJybjojZ22wiIxGZ qzme2uH6G3WthiXfsc4GkwxF+v/GFDfBRPgNqfzBpo0pD8W2UdMxDzJGAd1vyVAz INbWFCmaKwtnfjfE3grJ =+cO0 -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
