FATAL [org.jboss.as.server] (main) WFLYSRV0239: Aborting with exit code 1

getting FATAL [org.jboss.as.server] (main) WFLYSRV0239: Aborting with exit code 1 when i check for wildfly version.

./standalone.sh -v
=========================================================================

JBoss Bootstrap Environment

JBOSS_HOME: /u01/app/wildfly/wildfly-10.1.0.Final

JAVA: /u01/app/jdk1.8.0_65/bin/java

JAVA_OPTS: -server -Xms64m -Xmx512m -XX:MetaspaceSize=96M -XX:MaxMetaspaceSize=256m -Djava.net.preferIPv4Stack=true -Djboss.modules.system.pkgs=org.jboss.byteman -Djava.awt.headless=true

=========================================================================

12:54:18,655 INFO [org.jboss.modules] (main) JBoss Modules version 1.5.2.Final
WildFly Full 10.1.0.Final (WildFly Core 2.2.0.Final)
12:54:18,897 FATAL [org.jboss.as.server] (main) WFLYSRV0239: Aborting with exit code 1