Error trying to register a Java event listener

Question

I'm trying to register a java event listener in 11g with the following piece of code:
DECLARE
b BOOLEAN := FALSE;
BEGIN
b := DBMS_XDB.createFolder('/public/resconfig');
b := DBMS_XDB.createResource(
'/public/resconfig/hr_event.xml',
'<ResConfig xmlns="http://xmlns.oracle.com/xdb/XDBResConfig.xsd"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.oracle.com/xdb/XDBResConfig.xsd
http://xmlns.oracle.com/xdb/XDBResConfig.xsd">
<event-listeners default-language="Java">
<listener>
<description>Category application</description>
<schema>HR</schema>
<source>xdbproject.OpenOfficeEventHandler</source>
<language>Java</language>
<events>
<Post-Create/>
<Post-LinkIn/>
</events>
</listener>
</event-listeners>
<defaultChildConfig>
<configuration>
<path>/public/resconfig/hr_event.xml</path>
</configuration>
</defaultChildConfig>
</ResConfig>');
END;
This results in the following error message
ORA-31146: Ugyldig lytterkilde HR.xdbproject.OpenOfficeEventHandler
ORA-06512: ved "XDB.DBMS_XDB", line 174
ORA-06512: ved line 5
which translates to Invalid listener source.
My class is loaded in the HR schema, and implements the XDBRepositoryEventListener
Does anybody have a suggestion to what I'm doing wrong, or how I can find out what makes my class invalid as a listener source?

Answer 1

Check if it validates against the restrictions set in the XML Schema (Appendix A, Oracle XMLDB Developers Guide):
XDBResConfig.xsd: XML Schema for Resource Configuration
This section presents the Oracle XML DB supplied XML schema used to configure repository resources. This is accessible in Oracle XML DB Repository at path /sys/schemas/PUBLIC/xmlns.oracle.com/xdb/XDBResConfig.xsd.
XDBResConfig.xsd
<schema xmlns="http://www.w3.org/2001/XMLSchema"
        targetNamespace="http://xmlns.oracle.com/xdb/XDBResConfig.xsd"
        xmlns:xdb="http://xmlns.oracle.com/xdb"
        xmlns:rescfg="http://xmlns.oracle.com/xdb/XDBResConfig.xsd"
        elementFormDefault="qualified" xdb:schemaOwner="XDB" version="1.0" >
  <annotation>
    <documentation>
      This XML schema declares the schema of an XDB resource configuration,
      which includes default ACL, event listeners and user configuration.
      It lists all XDB repository events that will be supported.
      Future extension can be added to support user-defined events and
      XML events.
    </documentation>
  </annotation>
  <simpleType name="language">
    <restriction base="string">
      <enumeration value="Java" />
      <enumeration value="C" />
      <enumeration value="PL/SQL" />
    </restriction>
  </simpleType>
  <complexType name = "existsNode">
     <all>
       <element name="XPath" type = "string" minOccurs="1" maxOccurs="1" />
       <element name="namespace" type = "string" minOccurs="0" maxOccurs="1" />
     </all>
  </complexType>
  <!-- listener pre-condition element  -->
  <complexType name = "condition">
     <all>
       <element name="existsNode" type = "rescfg:existsNode" minOccurs="0" maxOccurs="1" />
     </all>
  </complexType>
  <complexType name = "events">
    <all>
      <element name="Render" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Pre-Create" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Post-Create" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Pre-Delete" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Post-Delete" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Pre-Update" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Post-Update" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Pre-Lock" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Post-Lock" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Pre-Unlock" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Post-Unlock" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Pre-LinkIn" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Post-LinkIn" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Pre-LinkTo" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Post-LinkTo" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Pre-UnlinkIn" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Post-UnlinkIn" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Pre-UnlinkFrom" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Post-UnlinkFrom" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Pre-CheckIn" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Post-CheckIn" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Pre-CheckOut" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Post-CheckOut" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Pre-UncheckOut" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Post-UncheckOut" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Pre-VersionControl" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Post-VersionControl" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Pre-Open" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Post-Open" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Pre-InconsistentUpdate" type="string" minOccurs="0" maxOccurs="1"/>
      <element name="Post-InconsistentUpdate" type="string" minOccurs="0" maxOccurs="1"/>
    </all>
  </complexType>
  <!-- event listener element  -->
  <complexType name = "event-listener">
    <all>
      <element name="description" type = "string" minOccurs="0" maxOccurs="1"/>
      <element name="schema" type = "string" minOccurs="0" maxOccurs="1"/>
      <element name="source" type = "string" minOccurs="1" maxOccurs="1"/>
      <element name="language" type = "rescfg:language" minOccurs="0" maxOccurs="1"/>
      <element name="pre-condition" type = "rescfg:condition" minOccurs="0" maxOccurs="1"/>
      <element name="events" type = "rescfg:events" minOccurs="0" maxOccurs="1"/>
    </all>
  </complexType>
  <complexType name="event-listeners">
    <sequence>
      <element name="listener" type = "rescfg:event-listener" minOccurs="1" maxOccurs="unbounded"/>
    </sequence>
    <attribute name = "default-schema" type = "string" xdb:baseProp="true" use="optional"/>
    <attribute name = "default-language" type = "rescfg:language" xdb:baseProp="true"
               use="optional"/>
    <attribute name = "set-invoker" type = "boolean" xdb:baseProp="true" default="false" />
  </complexType>
  <complexType name="defaultPath">
    <all>
      <element name="pre-condition" type = "rescfg:condition" minOccurs="0" maxOccurs="1"/>
      <element name="path" type="string" minOccurs="0" maxOccurs="1" xdb:transient="generated"/>
      <element name = "resolvedpath" type = "string" minOccurs="1" maxOccurs="1"
               xdb:baseProp="true" xdb:hidden="true"/>
      <element name = "oid" type = "hexBinary" minOccurs="1" maxOccurs="1" xdb:baseProp="true"
               xdb:hidden="true"/>
    </all>
  </complexType>
  <complexType name="defaultACL">
    <sequence>
      <element name="ACL" type="rescfg:defaultPath" minOccurs="1" maxOccurs="unbounded"/>
    </sequence>
  </complexType>
  <complexType name = "defaultConfig">
    <sequence>
      <element name="configuration" type="rescfg:defaultPath" minOccurs="1" maxOccurs="unbounded"/>
    </sequence>
  </complexType>
  <simpleType name="link-type">
    <restriction base="string">
      <enumeration value="None"/>
      <enumeration value="Hard"/>
      <enumeration value="Weak"/>
      <enumeration value="Symbolic"/>
    </restriction>
  </simpleType>
  <simpleType name="path-format">
    <restriction base="string">
      <enumeration value="OID"/>
      <enumeration value="Named"/>
    </restriction>
  </simpleType>
  <simpleType name="link-metadata">
    <restriction base="string">
      <enumeration value="None"/>
      <enumeration value="Attributes"/>
      <enumeration value="All"/>
    </restriction>
  </simpleType>
  <simpleType name="unresolved-link">
    <restriction base="string">
      <enumeration value="Error"/>
      <enumeration value="SymLink"/>
      <enumeration value="Skip"/>
    </restriction>
  </simpleType>
  <simpleType name="conflict-rule">
    <restriction base="string">
      <enumeration value="Error"/>
      <enumeration value="Overwrite"/>
      <enumeration value="Syspath"/>
    </restriction>
  </simpleType>
   <simpleType name="section-type">
     <restriction base="string">
       <enumeration value="None"/>
       <enumeration value="Fragment"/>
       <enumeration value="Document"/>
     </restriction>
   </simpleType>
  <!-- XLinkConfig complex type -->
    <complexType name="xlink-config">
     <sequence>
      <element name="LinkType" type = "rescfg:link-type"/>
      <element name="PathFormat" type = "rescfg:path-format" minOccurs="0" default="OID"/>
      <element name="LinkMetadata" type = "rescfg:link-metadata" minOccurs="0" default="None"/>
     </sequence>
     <attribute name="UnresolvedLink" type = "rescfg:unresolved-link" default="Error"/>
    </complexType>
  <!-- XIncludeConfig element -->
    <complexType name="xinclude-config">
     <sequence>
      <element name="LinkType" type = "rescfg:link-type"/>
      <element name="PathFormat" type = "rescfg:path-format" minOccurs="0" default="OID"/>
      <element name="ConflictRule" type = "rescfg:conflict-rule" minOccurs="0" default="Error"/>
     </sequence>
     <attribute name="UnresolvedLink" type = "rescfg:unresolved-link" default="Error"/>
    </complexType>
  <!-- SectionConfig element -->
  <complexType name="section-config">
   <sequence>   
    <element name="Section" maxOccurs="unbounded">
      <complexType>
        <sequence>
         <element name="sectionPath" type="string"/>
         <element name="documentPath" type="string" minOccurs="0"/>
         <element name="namespace" type="string" minOccurs="0"/>
        </sequence>
        <attribute name="type" type="rescfg:section-type" default="None"/>
      </complexType>
    </element>
   </sequence>
  </complexType>
  <!-- ContentFormat element -->
  <simpleType name="content-format" >
    <restriction base="string">
      <enumeration value="text"/>
      <enumeration value="binary"/>
    </restriction>
   </simpleType>
  <!-- resource configuration element  -->
  <complexType name = "ResConfig">
    <all>
      <element name="defaultChildConfig" type="rescfg:defaultConfig" minOccurs="0"  maxOccurs="1"/>
      <element name="defaultChildACL" type="rescfg:defaultACL" minOccurs="0" maxOccurs="1"/>
      <element name="event-listeners" type = "rescfg:event-listeners" minOccurs="0" maxOccurs="1"/>
      <element name="XLinkConfig" type="rescfg:xlink-config" minOccurs="0" maxOccurs="1"/>
      <element name="XIncludeConfig" type="rescfg:xinclude-config" minOccurs="0" maxOccurs="1"/>
      <element name="SectionConfig" type="rescfg:section-config" minOccurs="0" maxOccurs="1"/>
      <element name="ContentFormat" type="rescfg:content-format" minOccurs="0" maxOccurs="1"/>
      <!-- application data -->
      <element name="applicationData" minOccurs="0" maxOccurs="1" >
         <complexType>
           <sequence>
             <any namespace="##other" maxOccurs="unbounded" processContents="lax"/>
           </sequence>
         </complexType>
     </element>
    </all>
    <attribute name = "enable" type = "boolean" xdb:baseProp="true" default="true" />
    <attribute name = "copy-on-inconsistent-update" type = "boolean" use="optional" />
  </complexType>
  <element name="ResConfig" type="rescfg:ResConfig" xdb:defaultTable = "XDB$RESCONFIG" />
</schema>
acl.xsd: XML Schema for ACLs
This section presents the Oracle Database supplied XML schema used to represent access control lists (ACLs).
acl.xsd
<schema xmlns="http://www.w3.org/2001/XMLSchema"
        targetNamespace="http://xmlns.oracle.com/xdb/acl.xsd" version="1.0"
        xmlns:xdb="http://xmlns.oracle.com/xdb"
        xmlns:xdbacl="http://xmlns.oracle.com/xdb/acl.xsd"
        elementFormDefault="qualified">
   <annotation>
     <documentation>
        This XML schema describes the structure of XDB ACL documents.
        Note : The "systemPrivileges" element below lists all supported
          system privileges and their aggregations.
          See dav.xsd for description of DAV privileges
        Note : The elements and attributes marked "hidden" are for
          internal use only.
     </documentation>
     <appinfo>
       <xdb:systemPrivileges>
        <xdbacl:all>
          <xdbacl:read-properties/>
          <xdbacl:read-contents/>
          <xdbacl:read-acl/>
          <xdbacl:update/>
          <xdbacl:link/>
          <xdbacl:unlink/>
          <xdbacl:unlink-from/>
          <xdbacl:write-acl-ref/>
          <xdbacl:update-acl/>
          <xdbacl:link-to/>
          <xdbacl:resolve/>
          <xdbacl:write-config/>
        </xdbacl:all>
       </xdb:systemPrivileges>
     </appinfo>
   </annotation>
  <!-- privilegeNameType (this is an emptycontent type) -->
  <complexType name = "privilegeNameType"/>
  <!-- privilegeName element
       All system and user privileges are in the substitutionGroup
       of this element.
    -->
  <element name = "privilegeName" type="xdbacl:privilegeNameType"
           xdb:defaultTable=""/>
  <!-- all system privileges in the XDB ACL namespace -->
  <element name = "read-properties" type="xdbacl:privilegeNameType"
           substitutionGroup="xdbacl:privilegeName" xdb:defaultTable=""/>
  <element name = "read-contents" type="xdbacl:privilegeNameType"
           substitutionGroup="xdbacl:privilegeName" xdb:defaultTable=""/>
  <element name = "read-acl" type="xdbacl:privilegeNameType"
           substitutionGroup="xdbacl:privilegeName" xdb:defaultTable=""/>
  <element name = "update" type="xdbacl:privilegeNameType"
           substitutionGroup="xdbacl:privilegeName" xdb:defaultTable=""/>
  <element name = "link" type="xdbacl:privilegeNameType"
           substitutionGroup="xdbacl:privilegeName" xdb:defaultTable=""/>
  <element name = "unlink" type="xdbacl:privilegeNameType"
           substitutionGroup="xdbacl:privilegeName" xdb:defaultTable=""/>
  <element name = "unlink-from" type="xdbacl:privilegeNameType"
           substitutionGroup="xdbacl:privilegeName" xdb:defaultTable=""/>
  <element name = "write-acl-ref" type="xdbacl:privilegeNameType"
           substitutionGroup="xdbacl:privilegeName" xdb:defaultTable=""/>
  <element name = "update-acl" type="xdbacl:privilegeNameType"
           substitutionGroup="xdbacl:privilegeName" xdb:defaultTable=""/>
  <element name = "link-to" type="xdbacl:privilegeNameType"
           substitutionGroup="xdbacl:privilegeName" xdb:defaultTable=""/>
  <element name = "resolve" type="xdbacl:privilegeNameType"
           substitutionGroup="xdbacl:privilegeName" xdb:defaultTable=""/>
  <element name = "all" type="xdbacl:privilegeNameType"
           substitutionGroup="xdbacl:privilegeName" xdb:defaultTable=""/>
  <!-- privilege element -->
  <element name = "privilege" xdb:defaultTable="">
    <complexType>
      <sequence>
        <any maxOccurs="unbounded" processContents="lax"/>
      </sequence>
    </complexType>
  </element>
  <!-- ace element -->
  <element name = "ace" xdb:defaultTable="">
    <complexType>
      <sequence>
        <element name = "grant" type = "boolean"/>
        <choice>
          <element name="invert" xdb:transient="generated">
            <complexType>
              <sequence>
                <element name="principal" type="string"
                         xdb:transient="generated" />
              </sequence>
            </complexType>
          </element>
          <element name="principal" type="string" xdb:transient="generated"/>
        </choice>
        <element ref="xdbacl:privilege" minOccurs="1"/>
        <!-- "any" contain all app info for an ACE e.g.reason for creation -->
        <any minOccurs="0" maxOccurs="unbounded" namespace="##other"/>
        <!-- HIDDEN ELEMENTS -->
        <choice minOccurs="0">
          <element name = "principalID" type = "hexBinary"
                   xdb:baseProp="true" xdb:hidden="true"/>
          <element name = "principalString" type = "string"
                   xdb:baseProp="true" xdb:hidden="true"/>
        </choice>
        <element name = "flags" type = "unsignedInt" minOccurs="0"
                 xdb:baseProp="true" xdb:hidden="true"/>
      </sequence>
      <attribute name = "collection" type = "boolean"
                 xdb:transient="generated" use="optional"/>
      <attribute name = "principalFormat"
                 xdb:transient="generated" use="optional">
        <simpleType>
          <restriction base="string">
            <enumeration value="ShortName"/>
            <enumeration value="DistinguishedName"/>
            <enumeration value="GUID"/>
            <enumeration value="XSName"/>
          </restriction>   
        </simpleType>
      </attribute>
      <attribute name = "start_date" type = "dateTime" use = "optional"/>
      <attribute name = "end_date" type = "dateTime" use = "optional"/>    
    </complexType>
  </element>
  <!-- acl element -->
  <complexType name="inheritanceType">
    <attribute name="type" type="string" use="required"/>
    <attribute name="href" type="string" use="required"/>
  </complexType>
  <complexType name="aclType">
   <sequence>
    <element name = "schemaURL" type = "string" minOccurs="0"
             xdb:transient="generated"/>
    <element name = "elementName" type = "string" minOccurs="0"
             xdb:transient="generated"/>
    <element name = "security-class" type = "QName" minOccurs="0"/>
    <choice minOccurs="0">
      <element name="extends-from" type="xdbacl:inheritanceType"/>
      <element name="constrained-with" type="xdbacl:inheritanceType"/>
    </choice>
    <element ref = "xdbacl:ace" minOccurs="1" maxOccurs = "unbounded"/>
    <!-- this "any" contains all application specific info for an ACL,
         e.g., reason for creation  -->
    <any minOccurs="0" maxOccurs="unbounded" namespace="##other" />
    <!-- HIDDEN ELEMENTS -->
    <element name = "schemaOID" type = "hexBinary" minOccurs="0"
             xdb:baseProp="true" xdb:hidden="true"/>
    <element name = "elementNum" type = "unsignedInt" minOccurs="0"
             xdb:baseProp="true" xdb:hidden="true"/>
   </sequence>
   <attribute name = "shared" type = "boolean" default="true"/>
   <attribute name = "description" type = "string"/>
  </complexType>
  <complexType name="rule-based-acl">
    <complexContent>
      <extension base="xdbacl:aclType">
        <sequence>
          <element name = "param" minOccurs="0" maxOccurs="unbounded">
            <complexType>
              <simpleContent>
                <extension base="string">
                  <attribute name = "name" type = "string" use = "required"/>
                </extension>
              </simpleContent>
            </complexType>
          </element>
        </sequence>
      </extension>
    </complexContent>
  </complexType>
  <element name = "acl" type="xdbacl:aclType" xdb:defaultTable = "XDB$ACL"/>
  <element name = "write-config" type="xdbacl:privilegeNameType"
           substitutionGroup="xdbacl:privilegeName" xdb:defaultTable=""/>
</schema>Message was edited by:
Marco Gralike