schema validation does not work

[fxp]

<geonet:report xmlns:geonet="http://www.fao.org/geonetwork" geonet:id="82">
    <error id="error">
      <message>Schema not registered : /tmp/GeoNetwork/wtpwebapps/geonetwork-main/xml/schemas/iso19139/schema.xsd</message>
      <class>IllegalArgumentException</class>
      <stack>
        <at class="org.fao.geonet.kernel.SchemaManager" file="SchemaManager.java" line="237" method="getSchemaDir" />
        <at class="org.fao.geonet.kernel.DataManager" file="DataManager.java" line="467" method="getSchemaDir" />
        <at class="org.fao.geonet.kernel.DataManager" file="DataManager.java" line="516" method="validateInfo" />
        <at class="org.fao.geonet.kernel.DataManager" file="DataManager.java" line="629" method="getXSDXmlReport" />
        <at class="org.fao.geonet.kernel.DataManager" file="DataManager.java" line="2078" method="doValidate" />
        <at class="org.fao.geonet.kernel.DataManager" file="DataManager.java" line="1775" method="validateMetadataEmbedded" />
        <at class="org.fao.geonet.services.metadata.Validate" file="Validate.java" line="76" method="exec" />
        <at class="jeeves.server.dispatchers.ServiceInfo" file="ServiceInfo.java" line="230" method="execService" />
        <at class="jeeves.server.dispatchers.ServiceInfo" file="ServiceInfo.java" line="139" method="execServices" />
        <at class="jeeves.server.dispatchers.ServiceManager" file="ServiceManager.java" line="403" method="dispatch" />
      </stack>
    </error>

[fxp]

r7077