Too many Open files in JBoss AS7

Hi,
I am Using Jboss As-7 as my application server in Linux box at the time of deployment i am getting below stack trace. Can one let me the reason behind of the below Stack Trace :
=========================================================================

Caused by: java.io.FileNotFoundException: /home/appuser/dpc/jbossas7/standalone/tmp/vfs/deploymentca2dd52bc934385/xbean-2.1.0.jar-972256156c28c093/xbean-2.1.0.jar (Too many open files)
at java.io.FileOutputStream.open(Native Method) [rt.jar:1.6.0_22]
at java.io.FileOutputStream.<init>(FileOutputStream.java:209) [rt.jar:1.6.0_22]
at java.io.FileOutputStream.<init>(FileOutputStream.java:160) [rt.jar:1.6.0_22]
at org.jboss.vfs.TempDir.createFile(TempDir.java:93)
at org.jboss.vfs.spi.JavaZipFileSystem.<init>(JavaZipFileSystem.java:83)
at org.jboss.vfs.VFS.mountZip(VFS.java:408)
at org.jboss.vfs.VFS.mountZip(VFS.java:434)
at org.jboss.as.web.deployment.WarStructureDeploymentProcessor.createWebInfLibResources(WarStructureDeploymentProcessor.java:170)
... 8 more

13:48:02,874 INFO [org.jboss.as.server] (DeploymentScanner-threads - 2) JBAS015870: Deploy of deployment "uisearch.war" was rolled back with failure message {"JBAS014671: Failed services" => {"jboss.deployment.unit.\"uisearch.war\".STRUCTURE" => "org.jboss.msc.service.StartException in service jboss.deployment.unit.\"uisearch.war\".STRUCTURE: Failed to process phase STRUCTURE of deployment \"uisearch.war\""}}
13:48:02,915 INFO [org.jboss.as.server.deployment] (MSC service thread 1-2) JBAS015877: Stopped deployment uisearch.war in 41ms
13:48:02,917 INFO [org.jboss.as.controller] (DeploymentScanner-threads - 2) JBAS014774: Service status report
JBAS014777: Services which failed to start: service jboss.deployment.unit."uisearch.war".STRUCTURE: org.jboss.msc.service.StartException in service jboss.deployment.unit."uisearch.war".STRUCTURE: Failed to process phase STRUCTURE of deployment "uisearch.war"

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

I am Still Confusing where i am doing wrong . And i would like to know is it because of Jboss or Linux box.

Thanks in Advance,
Suman Alapati.