We have application running on Jboss 4.0.2 cluster consisting of 4 servers.
Database in Oracle RAC and Linux Operating System.
OCI driver is used to obtain Database Connection.
Whenever a connection gets refreshed in server like below output,
2005-12-29 17:25:25,704 DEBUG
[org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory] Using
properties: {user=xxx, password=--hidden--}
the number of open files also increases and the listing of lsof output is like
below
java 14697 jboss 68u IPv4 9426707 UDP
localhost.localdomain:51221
java 14697 jboss 72u IPv4 9425433 UDP
localhost.localdomain:51218
This eventually leads to "Too many files open" error in jboss which crashes the
Jboss server.
Does anybody know why this opening of UDP sockets happens in JBoss for
connection refresh and also the solution to close these sockets.
Or is this bug in Jboss?
Thanks in Advance
Venky
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