Description:
BE engine will not start but instead throws an error of: 

[container.standalone] com/tibco/tibrv/TibrvExceptionjava.lang.NoClassDefFoundError: com/tibco/tibrv/TibrvException
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at com.tibco.cep.runtime.session.RuleAdministratorFactory.createRuleAdministrator(RuleAdministratorFactory.java:21)
at com.tibco.cep.runtime.session.impl.RuleServiceProviderImpl.initialize(RuleServiceProviderImpl.java:527)
at com.tibco.cep.runtime.session.impl.RuleServiceProviderImpl.<init>(RuleServiceProviderImpl.java:172)
at com.tibco.cep.runtime.session.RuleServiceProviderManager.newProvider(RuleServiceProviderManager.java:207)
at com.tibco.cep.container.standalone.BEMain.jumpStart(SourceFile:126)
at com.tibco.cep.container.standalone.BEMain.main(SourceFile:70)

Caused by: java.lang.ClassNotFoundException: com.tibco.tibrv.TibrvException
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
 at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
 at java.lang.ClassLoader.loadClass(Unknown Source) ... 8 more

Symptoms:
See above.

Cause:
The jar file and libs for RV can not be found because RV_HOME was not set in be-engine.tra. Setting this correctly and redeploying fixes the problem.

Note, HAWK_HOME was set correctly so you would not see this error if HAWK_HOME was also not set.