Job for tomcat7.service failed because the control process exited with error code. See "systemctl status tomcat7.service" and "journalctl -xe" for details.
invoke-rc.d: initscript tomcat7, action "start" failed.
● tomcat7.service - LSB: Start Tomcat.
Loaded: loaded (/etc/init.d/tomcat7; bad; vendor preset: enabled)
Active: failed (Result: exit-code) since Fri 2017-05-19 15:57:48 EDT; 5ms ago
Docs: man:systemd-sysv-generator(8)
Process: 2929 ExecStart=/etc/init.d/tomcat7 start (code=exited, status=1/FAILURE)
May 19 15:57:48 ubuntu systemd[1]: Starting LSB: Start Tomcat....
May 19 15:57:48 ubuntu tomcat7[2929]: * no JDK or JRE found - please set J...ME
May 19 15:57:48 ubuntu systemd[1]: tomcat7.service: Control process exited,...=1
May 19 15:57:48 ubuntu systemd[1]: Failed to start LSB: Start Tomcat..
May 19 15:57:48 ubuntu systemd[1]: tomcat7.service: Unit entered failed state.
May 19 15:57:48 ubuntu systemd[1]: tomcat7.service: Failed with result 'exi...'.
Hint: Some lines were ellipsized, use -l to show in full.
dpkg: error processing package tomcat7 (--configure):
subprocess installed post-installation script returned error exit status 1
Setting up authbind (2.1.1+nmu1) ...
Errors were encountered while processing:
tomcat7
E: Sub-process /usr/bin/dpkg returned an error code (1)
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eu tentei atualizar e reiniciar para .pls me ajudar com este problema .Obrigado