in another machine it is working.
it worked for me in my box, i don't know why it is troubling me.
java -XX:MaxPermSize=192m -Xmx768M -jar cq-author-p4502.jar
Loading quickstart properties: default
Loading quickstart properties: instance
Low-memory action set to fork
Using 32bit VM settings, min.heap=768MB, min permgen=192MB, default fork arguments=[-Xmx768m, -XX:MaxPermSize=192m]
**** WARNING: insufficent heap memory ******************************************
The JVM reports 742 MB but we recommend at least 768 MB +/- 20
Use your JVM's heap size option (like -Xmx768M) to set that size.
Will fork a JVM to get enough memory.
********************************************************************************
The JVM MBean:Perm Gen reports a maximum size of 192 MB, meets our expectation of 192 MB +/- 20
Available memory below specified limits and low-memory action set to fork, will fork to get enough memory
Preparing to fork JVM, OS name=Linux, isWindows=false
Forking JVM: [/usr/java/jdk1.7.0_09/jre/bin/java, -Xmx768m, -XX:MaxPermSize=192m, -jar, /home/author/cq-author-p4502.jar, -nofork, -pt, CHILD]
Loading quickstart properties: default
Loading quickstart properties: instance
Low-memory action set to fork
Using 32bit VM settings, min.heap=768MB, min permgen=192MB, default fork arguments=[-Xmx768m, -XX:MaxPermSize=192m]
**** WARNING: insufficent heap memory ******************************************
The JVM reports 742 MB but we recommend at least 768 MB +/- 20
Use your JVM's heap size option (like -Xmx768M) to set that size.
Will fork a JVM to get enough memory.
********************************************************************************
The JVM MBean:Perm Gen reports a maximum size of 192 MB, meets our expectation of 192 MB +/- 20
Available memory below specified limits and low-memory action set to fork, will fork to get enough memory
Not forking JVM as -nofork option is set
Setting properties from filename '/home/author/cq-author-p4502.jar'
Option '-quickstart.server.port' set to '4502' from filename cq-author-p4502.jar
Verbose option not active, closing stdin and redirecting stdout and stderr
Redirecting stdout to /home/author/crx-quickstart/logs/stdout.log
Redirecting stderr to /home/author/crx-quickstart/logs/stderr.log
Forked JVM process exited with exit code 1
Main JVM process exiting
MAIN process: shutdown hook
MAIN process: exiting
