Problem with using Data sources in ESB 3.0.0.

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I tried to re-use this connection but without success. I created a simple Sequence. I chose “dblookup” from “advanced”  -> “dblookup” menu. 4. I set “Connection Information” - “Data Source”, “Datasource Type” – “Carbon Datasource” “Data Source Name” -> “Load Data Sources” link and chose my connection from combo box. Add some SQL statement… 5. Try to save sequence got error   [2010-07-27 17:50:29,820] ERROR -  Unable to read configuration value for : {htt ://ws.apache.org/ns/synapse}url {org.apache.synapse.config.xml.DBReportMediator Factory} [2010-07-27 17:50:29,820] ERROR -  Error adding sequence : Unable to read config uration value for : {http://ws.apache.org/ns/synapse}url {org.wso2.carbon.sequen ces.services.SequenceAdmin} org.apache.synapse.SynapseException: Unable to read configuration value for : {h ttp://ws.apache.org/ns/synapse}url         at org.apache.synapse.config.xml.AbstractMediatorFactory.handleException (AbstractMediatorFactory.java:169)         at org.apache.synapse.config.xml.AbstractDBMediatorFactory.getValue(Abst ractDBMediatorFactory.java:338)         at org.apache.synapse.config.xml.AbstractDBMediatorFactory.readLookupCon fig(AbstractDBMediatorFactory.java:138)         at org.apache.synapse.config.xml.AbstractDBMediatorFactory.buildDataSour ce(AbstractDBMediatorFactory.java:124)         at org.apache.synapse.config.xml.DBReportMediatorFactory.createMediator( DBReportMediatorFactory.java:76)         at org.apache.synapse.config.xml.MediatorFactoryFinder.getMediator(Media torFactoryFinder.java:180)         at org.apache.synapse.config.xml.AbstractListMediatorFactory.addChildren (AbstractListMediatorFactory.java:39)         at org.apache.synapse.config.xml.SequenceMediatorFactory.createMediator( SequenceMediatorFactory.java:79)         at org.apache.synapse.config.xml.MediatorFactoryFinder.getMediator(Media torFactoryFinder.java:180)         at org.apache.synapse.config.xml.SynapseXMLConfigurationFactory.defineSe quence(SynapseXMLConfigurationFactory.java:152)         at org.wso2.carbon.sequences.services.SequenceAdmin.addSequence(Sequence Admin.java:247)         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl. java:39)         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces sorImpl.java:25)         at java.lang.reflect.Method.invoke(Method.java:597)         at org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.jav a:205)         at org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver.invokeBusines sLogic(RPCInOnlyMessageReceiver.java:63)         at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMe ssageReceiver.java:114)         at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180)         at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostReq uest(HTTPTransportUtils.java:179)         at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:1 44)         at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)         at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)         at org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleR equest(ServletRegistration.java:90)         at org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(P roxyServlet.java:111)         at org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyS ervlet.java:67)         at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)       This is source code of my sequence <sequence xmlns="http://ws.apache.org/ns/synapse" name="testL">    <dblookup>       <connection>          <pool>             <dsName>x64DBTest</dsName>          </pool>       </connection>       <statement>          <sql>             <![CDATA[select 1 from dual]]></sql>          </statement>       </dblookup>    </sequence>   Downloaded from registry connection <properties version="1.0"> <comment /> <entry key="synapse.datasources.x64DB.numTestsPerEvictionRun">3</entry> <entry key="synapse.datasources.x64DB.defaultReadOnly">false</entry> <entry key="synapse.datasources.x64DB.registry">memory</entry> <entry key="synapse.datasources.x64DB.removeAbandonedTimeout">0</entry> <entry key="synapse.datasources.x64DB.dsName">x64DBTest</entry> <entry key="synapse.datasources.x64DB.accessToUnderlyingConnectionAllowed">false</entry> <entry key="synapse.datasources.x64DB.defaultAutoCommit">true</entry> <entry key="synapse.datasources.x64DB.driverClassName">oracle.jdbc.driver.OracleDriver</entry> <entry key="synapse.datasources.x64DB.minEvictableIdleTimeMillis">1800000</entry> <entry key="synapse.datasources.x64DB.logAbandoned">true</entry> <entry key="synapse.datasources.x64DB.validationQuery">select 1 from dual</entry> <entry key="synapse.datasources.x64DB.initialSize">0</entry> <entry key="synapse.datasources.x64DB.type">BasicDataSource</entry> <entry key="synapse.datasources.x64DB.maxOpenPreparedStatements">-1</entry> <entry key="synapse.datasources.x64DB.maxIdle">8</entry> <entry key="synapse.datasources.x64DB.defaultTransactionIsolation">-1</entry> <entry key="synapse.datasources.x64DB.maxWait">-1</entry> <entry key="synapse.datasources.x64DB.password">ESB</entry> <entry key="synapse.datasources.x64DB.testOnBorrow">true</entry> <entry key="synapse.datasources.x64DB.testOnReturn">false</entry> <entry key="synapse.datasources.x64DB.maxActive">8</entry> <entry key="synapse.datasources.x64DB.timeBetweenEvictionRunsMillis">-1</entry> <entry key="synapse.datasources.x64DB.poolPreparedStatements">true</entry> <entry key="synapse.datasources.x64DB.url">jdbc:oracle:thin:@x64-2:1521:test</entry> <entry key="synapse.datasources.x64DB.testWhileIdle">false</entry> <entry key="synapse.datasources.x64DB.username">ESB</entry> <entry key="synapse.datasources.x64DB.removeAbandoned">false</entry> <entry key="synapse.datasources.x64DB.minIdle">0</entry> </properties>     In WSO2 2.1.3 all works fine.   Any suggestions?