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From Tim Funk <>
Subject Re: Tomcat 4.1.24 + Security Manager + weird Exceptions
Date Tue, 15 Jul 2003 11:01:52 GMT
- man ulimit
- Google (java "Too many open files" solaris)


Haug Thomas wrote:
> Hi everybody,
> I am experiencing some strange behaviour with Tomcat 4.1.24 running with a
> SecurityManager. The system is running on Solaris 8 using Jdk 1.4.1_02
> and/or 1.4.2
> Our software seems to use up all available file descriptors. If then tomcat
> tries to accept a new request the IO system throws an SocketException
> telling us that there are too many files open (see stacktrace below). 
> Tomcat seems to reinitialize the ServerSocket but then the whole Tomcat (or
> the Coyote HTTP connector) 'breaks down': The securityManager starts to
> throw exceptions that class files are not allowed to be loaded, Sockets are
> not allowed to be opened (see below), and other strange things. At last we
> are not able anymore to request any http page from tomcat.
> Has anybody experienced a similar behaviour of tomcat. Or even better does
> anybody know how to fix this problem (beside not using all file descriptors
> ;-) )
> Thank you very much,
> Thomas

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