Not able to start stat agent : error: JBAS014805: Could not get main file: standalone-full.xml.

Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256m; support was removed in 8.0
12:11:07,853 INFO  [org.jboss.modules] (main) JBoss Modules version 1.3.3.Final
java.lang.IllegalStateException: JBAS014805: Could not get main file: standalone-full.xml. Specified files must be relative to the configuration dir: /home/QUEST/app/standalone/configuration
        at org.jboss.as.controller.persistence.ConfigurationFile.determineMainFile(ConfigurationFile.java:167)
        at org.jboss.as.controller.persistence.ConfigurationFile.<init>(ConfigurationFile.java:94)
        at org.jboss.as.server.ServerEnvironment.<init>(ServerEnvironment.java:394)
        at org.jboss.as.server.Main.determineEnvironment(Main.java:262)
        at org.jboss.as.server.Main.main(Main.java:92)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.jboss.modules.Module.run(Module.java:312)
        at org.jboss.modules.Main.main(Main.java:460)