https://bz.apache.org/bugzilla/show_bug.cgi?id=64857
Bug ID: 64857
Summary: Too many open files on TLD and JSP
Product: Tomcat 8
Version: 8.5.x-trunk
Hardware: Other
OS: Linux
Status: NEW
Severity: critical
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: simone.luc...@eng.it
Target Milestone: ----
Created attachment 37537
--> https://bz.apache.org/bugzilla/attachment.cgi?id=37537&action=edit
lsof output
Hi everyone, in the production environment we're having some issues with the
error "Too many open files".
We executed the lsof command to check if there were some files that we opened
and forget to close.
But apparently, the 80% of files open are jsp and TLD files (see the file in
attach). So I would say they have been opened by tomcat itself to deal with
normal HTTP requests. But the weird thing is that some files have been opened
several times and the user's activities were quite low at that moment (like 15
users connected).
Are you aware of some bugs or some settings that can fix this problem? In the
meanwhile, we increased the Operating System limit for allowed open file, but
this seems just to postpone the error (eventually we always reach the "too many
open files")
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