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netscape.ldap.LDAPException: error result (4); Sizelimit exceeded, when using netscape.jar in Java

I am getting following exception while searching LDAP in Java. It fetches many records but in the last it throws following exception.

netscape.ldap.LDAPException: error result (4); Sizelimit exceeded
    at netscape.ldap.LDAPConnection.checkMsg(LDAPConnection.java:4880)
    at netscape.ldap.LDAPConnection.checkSearchMsg(LDAPConnection.java:2638)
    at netscape.ldap.LDAPSearchResults.fetchResult(LDAPSearchResults.java:548)
    at netscape.ldap.LDAPSearchResults.hasMoreElements(LDAPSearchResults.java:456)
I have tried following options.
1.getConnection().setOption(LDAPv2.SIZELIMIT,new Integer(0));
  getConnection().setOption(LDAPv2.TIMELIMIT,new Integer(0));
2. LDAPSearchConstraints ldapSearchConst = getConnection().getSearchConstraints();
   ldapSearchConst.setMaxResults(-1);
   ldapSearchConst.setTimeLimit(-1);
3. Both 1 and 2 together
Only the number of records returned are different for above options but the exception doesn't go away.Can anybody help me on this. Lot of thanks
                The server is telling you that you've asked for too much data. You need to refine your search so that it asks for less results.
– Anya Shenanigans
                Oct 24, 2013 at 9:30
                Verify your assumption that is the case by examining the actual traffic returned from the server e.g. by using wireshark on the client system
– Anya Shenanigans
                Oct 24, 2013 at 10:09
From RFC4511:
A size limit that restricts the maximum number of entries to be returned as a result of the Search.  A value of zero in this field indicates that no client-requested size limit restrictions are in effect for the Search.  Servers may also enforce a maximum number of entries to return.
The size limit in #1 is the client-requested size limit, which cannot override the server-side time limit, referenced in the above quote from RFC4511. No matter what value the client-requested time limit contains, that value cannot override the server enforcement.
see also
LDAP: Mastering Search Filters
LDAP: Search best practices
LDAP: Programming practices
        
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