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From "Emmanuel Lecharny (JIRA)" <>
Subject [jira] Created: (DIRSERVER-658) ClassCast exception when fetching DNs from root DES
Date Sat, 01 Jul 2006 00:35:29 GMT
ClassCast exception when fetching DNs from root DES

         Key: DIRSERVER-658
     Project: Directory ApacheDS
        Type: Bug

    Versions: 1.0-RC4    
    Reporter: Emmanuel Lecharny
 Assigned to: Emmanuel Lecharny 

When fetching for DNs in LdapBrowser, you get an exception while encoding the SearchResultEntry

Caused by: java.lang.ClassCastException:
	at org.apache.mina.filter.codec.asn1.Asn1CodecEncoder.encode(
	at org.apache.mina.filter.codec.ProtocolCodecFilter.filterWrite(
... 22 more

The problem is that when encoding a SearchResultEntry, the values are supposed to be Strings
or byte arrays, not LdapDNs. When you fetch for DNs in the root DSE, the result is stored
in the SearchResultEntry as LdapDN objects, not Strings, and it's allowad, as the method which
set the value accept an Object.

We have to fix two problems :
- first, check that the Object is either a String or a byte[], nothing else (defensive programming)
- second, avoid storing LdapDN objects where String or byte[] are expected :)

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