In Trace Log it's look like it removed value of attribute. Why ?

<source>
<product build="20050127_0413" instance="MSSQL"
version="1.6.4">DirXML Driver for JDBC</product>
<contact>Novell, Inc.</contact>
</source>
<input>
<modify class-name="User" event-id="5638-5648" src-
dn="EMPID=892,table=IMPERSON,schema=DIRXML">
<association
state="associated">EMPID=892,table=IMPERSON,schema =DIRXML</associ
ation>
<modify-attr attr-name="Given Name">
<remove-all-values/>
</modify-attr>
<modify-attr attr-name="Given Name">
<add-value>
<value type="string">Suphot</value>
</add-value>
</modify-attr>
<modify-attr attr-name="Internet EMail Address">
<remove-all-values/>
<add-value>
<value type="string">suphotu@oncb.go.th</value>
</add-value>
</modify-attr>
<modify-attr attr-name="mailMessageStore">
<remove-all-values/>
<add-value>
<value type="string">/mailbox/suphotu1</value>
</add-value>
</modify-attr>
<modify-attr attr-name="mailQuotaSize">
<remove-all-values/>
<add-value>
<value type="int">20971520</value>
</add-value>
</modify-attr>
<modify-attr attr-name="mailQuotaCount">
<remove-all-values/>
<add-value>
<value type="int">2000</value>
</add-value>
</modify-attr>
<modify-attr attr-name="mailAlternateAddress">
<remove-all-values/>
<add-value>
<value type="string">suphotu-catchall@oncb.go.th</value>
</add-value>
</modify-attr>
<modify-attr attr-name="RolePortalApp">
<remove-all-values/>
07:23:03 40E865C0 Drvrs: <add-value>
<value type="string">N0000</value>
</add-value>
</modify-attr>
<modify-attr attr-name="RoleGISApp">
<remove-all-values/>
<add-value>
<value type="string">13001</value>
</add-value>
</modify-attr>
</modify>
</input>
</nds>
07:23:03 40E865C0 Drvrs: MSSQL PT: No associated objects.
07:23:03 40E865C0 Drvrs: MSSQL PT: Applying publisher filter.
07:23:03 40E865C0 Drvrs: MSSQL PT: Filtered out <modify-attr attr-
name='Internet EMail Address'>.
07:23:03 40E865C0 Drvrs: MSSQL PT: Filtered out <modify-attr attr-
name='mailMessageStore'>.
07:23:03 40E865C0 Drvrs: MSSQL PT: Filtered out <modify-attr attr-
name='mailQuotaSize'>.
Tuesday, May 23, 2006
07:23:03 40E865C0 Drvrs: MSSQL PT: Filtered out <modify-attr attr-
name='mailQuotaCount'>.
07:23:03 40E865C0 Drvrs: MSSQL PT: Filtered out <modify-attr attr-
name='mailAlternateAddress'>.
07:23:03 40E865C0 Drvrs: MSSQL PT: Filtered out <modify-attr attr-
name='RolePortalApp'>.
07:23:03 40E865C0 Drvrs: MSSQL PT: Filtered out <modify-attr attr-
name='RoleGISApp'>.
07:23:03 40E865C0 Drvrs: MSSQL PT: Publisher processing modify for
EMPID=892,table=IMPERSON,schema=DIRXML.
07:23:03 40E865C0 Drvrs: MSSQL PT: Converting <modify> to <add>
07:23:03 40E865C0 Drvrs: MSSQL PT: Reading relevant attributes from
EMPID=892,table=IMPERSON,schema=DIRXML.
07:23:03 40E865C0 Drvrs: MSSQL PT:
<nds dtdversion="2.0" ndsversion="8.x">
<source>
<product version="2.0.8.20050127 ">DirXML</product>
<contact>Novell, Inc.</contact>
</source>
<input>
<query class-name="User" scope="entry">
<association>EMPID=892,table=IMPERSON,schema=DIRXM L</association>
<read-attr attr-name="AdminPost"/>
<read-attr attr-name="EmpId"/>
<read-attr attr-name="Facsimile Telephone Number"/>
<read-attr attr-name="Given Name"/>
<read-attr attr-name="jpegPhoto"/>
<read-attr attr-name="Login Disabled"/>
<read-attr attr-name="OU"/>
<read-attr attr-name="Password Expiration Time"/>
<read-attr attr-name="Password Minimum Length"/>
<read-attr attr-name="SubDivision"/>
<read-attr attr-name="SubSection"/>
<read-attr attr-name="Surname"/>
<read-attr attr-name="Telephone Number"/>
<read-attr attr-name="TFirstName"/>
<read-attr attr-name="TLastName"/>
</query>
</input>
</nds>