"Too Many Open Files" Error - Users Unable to Log Into Web Workspace (Doc ID 1950647.1)

Last updated on DECEMBER 15, 2016

Applies to:

Oracle Network Management for Utilities - DMS - Version 1.11.0.4 and later
Oracle Utilities Network Management System - Version 1.11.0.4 and later
Information in this document applies to any platform.

Symptoms

A spike in open file descriptors caused users to not be able to log in to the NMS application

Weblogic had to be restarted due to reaching a limit on the number of file descriptors that could be opened.

Weblogic managed server log:

####<Nov 5, 2014 7:01:57 PM CST> <Error> <HTTP> <> <nms1> <[ACTIVE] ExecuteThread: '52' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <e2150e57ef2491af:-1b785b21:14910dca3d1:-8000-0000000003dc1824> <1415235717709> <BEA-101019> <[ServletContext@596103129[app:Availability module:Availability path:/Availability spec-version:null]] Servlet failed with IOException
java.io.FileNotFoundException: /app/domain/prodnms_domain/servers/nms1/stage/Availability/Availability/index.html (Too many open files)
       at java.io.FileInputStream.open(Native Method)
       at java.io.FileInputStream.<init>(FileInputStream.java:120)
       at weblogic.utils.classloaders.FileSource.getInputStream(FileSource.java:31)
       at weblogic.servlet.internal.WarSource.getInputStream(WarSource.java:65)
       at weblogic.servlet.FileServlet.sendFile(FileServlet.java:400)
       at weblogic.servlet.FileServlet.doGetHeadPost(FileServlet.java:234)
       at weblogic.servlet.FileServlet.service(FileServlet.java:173)
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)

...



STEPS
Unknown how the managed server got to this state

Cause

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