Folks,
I have created an LDAP Connection pool using the Commons Pooling. It is described
below:
public class LdapConnectionFactory extends BasePoolableObjectFactory {
public Object makeObject() {
try {
// Note, I have removed the getEnvironment method for
brevity.
return new InitialDirContext(getEnvironment());
}
catch (NamingException e ) {
logger_.error(this, "Exception during creation of LDAP
connection.", e);
return null;
}
}
public void destroyObject(Object o) {
try {
((DirContext)o).close();
}
catch(NamingException e) {
logger_.error(this, "Exception during expire of LDAP
connection.", e);
}
}
}
I can create and use connections no problem with code like:
try {
ObjectPool pool = new StackObjectPool(new LdapConnectionFactory());
DirContext ctx = (DirContext)pool.borrowObject();
Attributes attrs = ctx.getAttributes(queryString, REQUEST_ATTRIBUTES);
...
}
finally {
pool.returnObject(ctx);
}
So far, so good ...
The problem is, after being idle for a few hours, the connection expires and the next
request is invalid.
How can i test to make sure that the connection is valid? Alternately, how can i
catch an exception during the query and remove the connection from the pool manually?
I'm pretty sure i might be able to use some sort of combination of activateObject,
passivateObject and validateObject, just not sure how...
Any help would be greatly appreciated. Thanks!
---
- Nayan Hajratwala
- Chikli Consulting LLC
- http://www.chikli.com
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