I followed all the steps from this link and still not able to get confluence to start.
https://confluence.atlassian.com/display/DOC/Installing+Confluence+on+Linux+from+Archive+File
OS: Red Hat Enterprise Linux Server release 6.8 (Santiago)
echo $JAVA_HOME
/usr/lib/jvm/jre-1.8.0-ibm.x86_64/
java -version
java version "1.8.0"
Java(TM) SE Runtime Environment (build pxa6480sr3fp10-20160720_02(SR3fp10))
IBM J9 VM (build 2.8, JRE 1.8.0 Linux amd64-64 Compressed References 20160719_312156 (JIT enabled, AOT enabled)
J9VM - R28_Java8_SR3_20160719_1144_B312156
JIT - tr.r14.java_20160629_120284.01
GC - R28_Java8_SR3_20160719_1144_B312156_CMPRSS
J9CL - 20160719_312156)
JCL - 20160719_01 based on Oracle jdk8u101-b13
To run Confluence in the foreground, start the server with start-confluence.sh -fg
executing as current user
If you encounter issues starting up Confluence, please see the Installation guide at http://confluence.atlassian.com/display/DOC/Confluence+Installation+Guide
Server startup logs are located in /usr/local/confluence/confluence-6.0.2/logs/catalina.out
Using CATALINA_BASE: /usr/local/confluence/confluence-6.0.2
Using CATALINA_HOME: /usr/local/confluence/confluence-6.0.2
Using CATALINA_TMPDIR: /usr/local/confluence/confluence-6.0.2/temp
Using JRE_HOME: /usr/lib/jvm/jre-1.8.0-ibm.x86_64/
Using CLASSPATH: /usr/local/confluence/confluence-6.0.2/bin/bootstrap.jar:/usr/local/confluence/confluence-6.0.2/bin/tomcat-juli.jar
Using CATALINA_PID: /usr/local/confluence/confluence-6.0.2/work/catalina.pid
Existing PID file found during start.
Removing/clearing stale PID file.
Tomcat started.
cat logs/catalina.out
JVMJ9VM007E Command-line option unrecognised: -Xloggc:/usr/local/confluence/confluence-6.0.2/logs/gc-2017-01-05_09-31-11.log
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.
It seems confluence is not happy with my version of java, do I have to install java from source to make it work?