how can I prevent "too many open files"?

Hello,

I'm using Xindice 1.1b4 (but tried it with current head too) embedded
within a webapplication using tomcat 4.1.27 / jdk 1.4.2 on a suse linux
system. I've configured 4 indexes for each collection. My problem is now
for each collection the java process opens the tbl-file and the four
idx-files when I register my database and only closes them if I shutdown
my database. The problem is now that I don't have a fixed number of
collections, but they can increase depending on what the user is doing
in the application. The result is that if the number gets too large i
get a "too many open files"-exception.
I know that I can increase the maximum number of open files per process
within linux but as the number of collections is not fixed this is not a
real solution.
Is there any possibility to tell Xindice to close a single collection in
such a way that the idx- and tbl-files are no longer held open and are
only reopened if I access them? Note that I already close my collections
after each operations by

Collection col = org.xmldb.api.DatabaseManager.getCollection(m_dbURL +
path); ... some operations on col ...
col.close();

but this does not have the desired effect.

Thank You

Bjoern Eickvonder
 


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