How do I activate debug log in Liferay 7 CE? - tomcat8

I am installing Liferay 7 CE in existing tomcat 8 in centos 7 following this article. Installations fails but the logs don't show anything specific. How do I activate debug log? Is there any guide?

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How to configure jboss to run as a service in rhel 7

How to run jboss as a service if installed using zip package ?
You can check the coresponding JBoss EAP 7 documentation Installation Guide - Configuring JBoss EAP to run as a Service for detailed information.

Tomcat7 - creation of jvm failed Windows 10

I installed tomcat 7 with Java 11.
When I try to start the tomcat service it crush.
I get an error the creation of jvm failed.
Tomcat 7 is not compatible with Java 11.
I downgraded the Java to 8, now it's working.

Apache Chemistry Workbench support for Centos 7 Desktop

We are trying to install Apache Chemistry Workbench 1.1.0 on Centos 7 desktop. We are facing a blocker where we are not able to get the GUI for the application.
Centos 7 environment has Java 1.8.161 installed.
Please help me in understanding the issue.
Attaching screenshot for the reference.

Jboss 7.1.1 startup throws Unable to read the logging config

I am using JBoss7.1.1.Final with jdk 1.8.0_20. When i run standalone. it throws error as
"Unable to read the logging configuration from 'file:/c/jboss-as-7.1.1.Final/jbos s-as-7.1.1.Final/standalone/configuration/logging.properties' (java.io.FileNotFo undException: \c\jboss-as-7.1.1.Final\jboss-as-7.1.1.Final\standalone\configurat ion\logging.properties (The system cannot find the path specified))"
JBoss AS 7.1.1.Final does not work with Java 8 https://developer.jboss.org/message/926279#926279.
If you're required to use Java 8 I'd suggest using the JBoss AS 7 predecessor WildFly. Starting with WildFly 10 Java 8 is a requirement.
You can start using OpenJDK 1.8 from JbossAS 7.4.1, Oracle and IBM from JBoss AS 7.3.3 https://access.redhat.com/articles/111663

How to install JBoss AS 7 in Eclipse Juno

I'm using Eclipse Juno and My Application runs on JBoss 6. Now we are migrating from JBoss 6 to JBoss AS 7. I'm not able to configure the JBoss 7, when i add download additional server adapter, none of the adapter's are shown in the wizard. I also tried manaully by Help->Install New Software and using this link http://download.jboss.org/jbosstools/updates/nightly/core/trunk/ but it says some context.xml not found.
Is there any way, i can use the JBoss 7 with eclipse juno version.
I'have added -Djava.net.preferIPv4Stack=true to eclipse.ini and it solved the problem. May be it's related to some proxy settings.