Wondering if it possible to upgraded confluence from ear/war to standalone, is this possible any road blocks or gothca I should watch for?
Not within Confluence - the code for the two of them is essentially the same. You can (almost) think of standalone as being "EAR/WAR installed in a Tomcat and hooked up to a database for you so you don't have to do it yourself"
You may hit some problems if you're changing the database and/or application server, but those will be environmental things, not directly Confluence itself.
This is going from EAR/WAR Confluence 5.5.3 to Standalone Confluence 5.9.4. The upgrade must be manually done. This is on a CentOS 7. These are my steps and this worked for me. I'm not responsible for yours. I hope this help who are looking for details how to upgrade.
ALTER DATABASE <databasename> SET READ_COMMITTED_SNAPSHOT ON WITH ROLLBACK IMMEDIATE;
Untar the file.
tar -zxvf atlassian-confluence-5.9.4.tar.gz
change the ports to the your current ports. These are my tomcat ports I've setup on the old version, and I want to keep it the same. You could also keep the default ports number.
Add the following under Context Path. Change the name to yours.
TEST: <Context path="/confluence" docBase="../confluence" debug="0" reloadable="false" useHttpOnly="true">
6. Edit the setenv.sh file (/opt/atlassian/confluence594/bin), Add export JAVA_HOME=/opt/java8 at the end of the line.
NOTE: Make sure you have JDK Java 8 installed and a symbolic link of java8
7. Copy crow.properties, osuser.xml, confluence.init.properties, seraph-config.xml??? and jtds driver from the current Confluence and paste it in the new Confluence. The files are in LIB folder for driver & classes folder for all the xml & properties.
NOTE: I'm also using crowd as my authentication. Copy the files you need for other authentication, see the link at the end from Atlassian.
8. Start the new Confluence sudo /opt/atlassian/confluence594/bin/startup.sh. It should take awhile to upgrade.
9. To stop Confluence sudo /opt/atlassian/confluence594/bin/shutdown.sh
Good Luck! I hope this help.
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