In one of my last projects we used to get an error telling “Too many open files”
SEVERE: Could not check for resources in: /OracleAS_1/lib/dsv2.jar (from
SEVERE: Could not check for resources in: /OracleAS_1/j2ee/OC4J_SOA/connectors/MQSeriesAdapter/MQSeriesAdapter/MQSeriesAdapter.jar (from
The no.of available open files configured at UNIX level is low compare to no.of files required for SOA suite to run.
Type ulimit –a in the server to see the no.of open files limit.
By default it will be 1024
open files (-n) 1024
Set the nofiles (descriptors) to unlimited (or at least 65536):
$ ulimit -n unlimited
$ ulimit -n 65536
Hope this helps. Refer the prereq guide for installation of SOA suite where this parameters have been speciied