Well those are the manuals I used to install OM, I'm updating now the repositories to install the version 11 of Java and them to check if it works
De: "Jibsan Joel Rosa Toirac" <jibsa...@softel.cu> Para: "user" <user@openmeetings.apache.org> Enviados: Martes, 3 de Septiembre 2019 15:23:24 Asunto: Re: [MASSMAIL]Re: Problem with OpenMeetings 5.0.0-M2 Ok thank you dude. I will check them right now and I will let you know what happen, I hope my pc doesn't explode hahaha De: "R. Scholz" <rene.sch...@abakus-edv-systems.de> Para: "user" <user@openmeetings.apache.org> Enviados: Martes, 3 de Septiembre 2019 15:19:14 Asunto: Re: [MASSMAIL]Re: Problem with OpenMeetings 5.0.0-M2 Oh yes. So: Here you find the fantastic manuals from Alvaro: [ https://cwiki.apache.org/confluence/display/OPENMEETINGS/Tutorials+for+installing+OpenMeetings+and+Tools | https://cwiki.apache.org/confluence/display/OPENMEETINGS/Tutorials+for+installing+OpenMeetings+and+Tools ] and here is the manual for Ubuntu 18.04 [ https://cwiki.apache.org/confluence/download/attachments/27838216/Installation%20OpenMeetings%205.0.0-M2%20on%20Ubuntu%2018.04%20LTS.pdf?version=3&modificationDate=1565169721000&api=v2 | https://cwiki.apache.org/confluence/download/attachments/27838216/Installation%20OpenMeetings%205.0.0-M2%20on%20Ubuntu%2018.04%20LTS.pdf?version=3&modificationDate=1565169721000&api=v2 ] And here is the solution of your problem: sudo apt install openjdk-11-jdk openjdk-11-jdk-headless and to select the right Java-version: sudo update-alternatives --config java Best regards, René Am 03.09.2019 um 21:14 schrieb Jibsan Joel Rosa Toirac: Here is the output of the command: openjdk version "10.0.2" 2018-07-17 OpenJDK Runtime Environment (build 10.0.2+13-Ubuntu-1ubuntu0.18.04.4) OpenJDK 64-Bit Server VM (build 10.0.2+13-Ubuntu-1ubuntu0.18.04.4, mixed mode) Let me know what you think about that dude. Thanks a lot De: "R. Scholz" [ mailto:rene.sch...@abakus-edv-systems.de | <rene.sch...@abakus-edv-systems.de> ] Para: "user" [ mailto:user@openmeetings.apache.org | <user@openmeetings.apache.org> ] Enviados: Martes, 3 de Septiembre 2019 15:11:46 Asunto: [MASSMAIL]Re: Problem with OpenMeetings 5.0.0-M2 Hello Jibsan, I think you not have Java 11 as engine. Please have a look with "java -version" if Java 11 is your selected version. Best regards, René Am 03.09.2019 um 20:29 schrieb Jibsan Joel Rosa Toirac: BQ_BEGIN Hello I'm trying to install Apache OpenMeetings 5.0.0-M2 (502) but it doesn't work. I've followed the manual for the proper installation of OpenMeetings. I'm using an empty Ubuntu Server installation to there is no programs on it, it is just for OpenMeetings. Here is what happens, somehow, once I lifted up Tomcat by /etc/init.d/tomcat3 start It start to listening on port 5443 but with a Java service and the browser once I put the address [ https://192.168.14.93:5443/openmeetings/ | https://192.168.14.93:5443/openmeetings/ ] It show's me the following error HTTP Status 404 - Not found Also here are some logs: 502/webapps/openmeetings] has finished in [10,678] ms 03-Sep-2019 13:53:26.679 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-5080"] 03-Sep-2019 13:53:26.706 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["https-jsse-nio-5443"] 03-Sep-2019 13:53:26.724 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["ajp-nio-8009"] 03-Sep-2019 13:53:26.735 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in [11,277] milliseconds 03-Sep-2019 13:53:26.736 SEVERE [main] org.apache.catalina.core.StandardServer.await Failed to create server shutdown socket on address [localhost] and port [8005] (base port [8005] and offset [0]) java.net.BindException: Address already in use (Bind failed) at java.base/java.net.PlainSocketImpl.socketBind(Native Method) at java.base/java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:437) at java.base/java.net.ServerSocket.bind(ServerSocket.java:381) at java.base/java.net.ServerSocket.<init>(ServerSocket.java:243) at org.apache.catalina.core.StandardServer.await(StandardServer.java:584) at org.apache.catalina.startup.Catalina.await(Catalina.java:721) at org.apache.catalina.startup.Catalina.start(Catalina.java:667) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:564) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:344) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:475) 03-Sep-2019 13:53:26.737 INFO [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-nio-5080"] Please any help you could provide will be thankful. BQ_END