Ok, I shall send it when it will appear.
We have added following JVM options while resolving these problems:
<!-- this is to prevent the java.lang.OutOfMemoryError: PermGen space during deployment-->
<jvm-options>-XX:MaxPermSize=256m</jvm-options>
<!-- -->
<!-- additional jvm options to fix file descriptor leak due to sockets not being closed (bug#:6321777) -->
<jvm-options>-server</jvm-options>
<jvm-options>-Dcom.sun.enterprise.web.connector.grizzly.useKeepAliveAlgorithm=true</jvm-options>
<jvm-options>-Dcom.sun.enterprise.web.connector.grizzly.socketSoTimeout=30000</jvm-options>
<jvm-options>-Dcom.sun.enterprise.web.connector.grizzly.maxKeepAliveRequests=250</jvm-options>
<jvm-options>-Dcom.sun.enterprise.server.ss.ASQuickStartup=false</jvm-options>
<!-- end of additional jvm options -->
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