javax.security.auth.login.LoginException: Could not open OJB PersistenceBroker

[ramaj <ra...@gmail.com>]

Hello,

I have installed Jetspeed2.1 and am doing Portal Login Stress Testing using
JMETER tool.
I am giving requests(with multiple users) to server as:
Total Requests : 20000
cuncurrent requests:500


Then,results is some tests are failure due to following errors in
catalina.out :
Error(one of them for usernames):

Sep 26, 2007 7:59:06 AM org.apache.catalina.realm.JAASRealm authenticate
WARNING: Login exception authenticating username "aa137"
javax.security.auth.login.LoginException: Could not open OJB
PersistenceBroker; nested exception is
org.apache.ojb.broker.PBFactoryException: Borrow broker from pool failed,
using PBKey org.apache.ojb.broker.PBKey: jcdAlias=JetspeedDS, user=null,
password=null
        at
org.apache.jetspeed.security.impl.DefaultLoginModule.commit(DefaultLoginModule.java:181)
        at sun.reflect.GeneratedMethodAccessor740.invoke(Unknown Source)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25).....
        ...................


There are also another usernames which give same errors.
plz give solutions.

Thanks,
ramj



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