resin报Too many open files错（救命啊。。。）

Question

500 Servlet Exception
java.io.FileNotFoundException: /data1/web_root/game.51look.com/WEB-INF/web.xml
(Too many open files)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:106)
at com.caucho.vfs.FilePath.openReadImpl(FilePath.java:344)
at com.caucho.vfs.Path.openRead(Path.java:618)
at com.caucho.util.Registry.parse(Registry.java:148)
at com.caucho.server.http.Application.mergeWebXml(Application.java:450)
at com.caucho.server.http.Application.<init>(Application.java:318)
at com.caucho.server.http.WebAppMap$Entry.createApplication(WebAppMap.java:599)
at com.caucho.server.http.VirtualHost.startApplication(VirtualHost.java:1206)
at com.caucho.server.http.VirtualHost.getInvocation(VirtualHost.java:1007)
at com.caucho.server.http.ServletServer.getInvocation(ServletServer.java:1228)
at com.caucho.server.http.RunnerRequest.handleRequest(RunnerRequest.java:341)
at com.caucho.server.http.RunnerRequest.handleConnection(RunnerRequest.java:274)
at com.caucho.server.TcpConnection.run(TcpConnection.java:139)
at java.lang.Thread.run(Thread.java:534)
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Resin 2.1.10 (built Wed Jun 18 09:16:53 PDT 2003)