[jboss-user] [Beginner's Corner] - Could not reserve enough space for object heap

Wendell Hatcher do-not-reply at jboss.com
Sun Dec 12 23:05:31 EST 2010

Wendell Hatcher [http://community.jboss.org/people/dell1074] created the discussion

"Could not reserve enough space for object heap"

To view the discussion, visit: http://community.jboss.org/message/575600#575600


      I am running solaris 10 with a 16 gig heap. I am receiving the following error when I try stopping my deployed application. I am only using 5 gig on the JAVA_OPTS heap and am not using all of the physical memory?

Could not reserve enough space for object heap

JAVA_OPTS="-Xms5120M -Xmx5120M -server -XX:+AggressiveHeap -XX:ParallelGCThreads=6 -Djava.awt.headless=true -d64 -XX:MaxPermSize=256m -XX:PermSize=256m -Dsun.rmi.dgc.client.gcInterval=1800000 -Dsun.rmi.dgc.server.gcInterval=1800000"

load averages:  0.67,  0.73,  0.55;                    up 126+23:41:03                                                                              21:03:40
41 processes: 40 sleeping, 1 on cpu
CPU states: 99.4% idle,  0.2% user,  0.5% kernel,  0.0% iowait,  0.0% swap
Memory: 16G phys mem, 5280M free mem, 8193M total swap, 7661M free swap

Could not reserve enough space for object heap

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