Re: following referrals

[Jon Roberts]

I have finally traced my problem (see below), and found a new issue in 
the process. The original bug was all me: (I'd forgotten) I was doing an 
initial check to determing the cardinality of entries that match a 
search (0, 1, or more). In that preliminary search, I used a limit of 2, 
so I was only getting two entries. No exception is thrown, so there is 
no way to tell that I exceeded this sizelimit unless I cycle through the 
results. However, before that my code does cheerfully try to sort a 
results set of many with only two actual entries, and with referrals 
involved this error is the result. Even though this doesn't happen with 
direct queries, I accept it's unquestionably my own stupid fault.

The new issue came with the fix. If I have a match and try to use 
LDAPSearchResults.getCount() to find out how many entries, as a referral 
I only always get "1", even with setBatchSize(0) on the search 
constraints. Of course, sorting clears this up before a getCount() call, 
but obviously that isn't an option if a limit is involved. I see code in 
the getCount() method to handle referrals appropriately, but it doesn't 
seem to be happening. Since I am assuming server sizelimits can cause 
the same behavior, this could be a bigger problem. Hopefully, this 
helps. I'll be happy to submit a bug if advised.

Jon Roberts
www.mentata.com
> Jon Roberts wrote:
>> I am using the Mozilla/Netscape Java Director SDK v4.1. I attempt to
>> set a connection to follow referrals with:
>>
>> LDAPSearchConstraints cons = anon_conn.getSearchConstraints();
>> cons.setReferrals(true);
>> anon_conn.setSearchConstraints(cons);
>>
>> No referral exception (good), but I get:
>>
>> java.lang.ArrayStoreException
>>     at java.lang.System.arraycopy(Native Method)
>>     at java.util.Vector.copyInto(Vector.java:162)
>>     at netscape.ldap.LDAPSearchResults.sort(LDAPSearchResults.java:300)
>>
>> when I attempt to sort. Is there a restriction against sorting
>> referred results? Can I get this working in some other way?