[Pentaho Studio Design] Connexion au data source - erreur

[madousn]

Bonjour , quelqu'un peut-il m'aider à connecter studio design avec une base mysql,indépendant des db sampleData préinstallées.J'utilise pentaho_demo_mysql5-1.7.0.GA et mon rapport d'erreur :

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Erreur : SQLBaseComponent.ERROR_0007 - [fr_258] Connection TO DATA source IS NOT valid (org.pentaho.plugin.sql.SQLLookupRule)
Debug : [fr_21] Starting execute of td2//td2test.xaction (org.pentaho.core.solution.SolutionEngine)
Debug : [fr_30] Getting runtime context AND DATA (org.pentaho.core.solution.SolutionEngine)
Debug : [fr_33] Loading action sequence definition file (org.pentaho.core.solution.SolutionEngine)
Debug : SolutionRepository.DEBUG_FILE_PATH - [fr_35] getFile path=C:\pentaho\bi-server\pentaho-solutions\td2\td2test.xaction (org.pentaho.repository.filebased.solution.SolutionRepository)
Debug : [fr_34] audit: instanceId=133562e2-41d8-11dd-b86a-433b22849dd6, objectId=org.pentaho.core.runtime.RuntimeContext, messageType=action_sequence_start (org.pentaho.core.runtime.RuntimeContext)
Debug : SolutionRepository.DEBUG_FILE_PATH - [fr_35] getFile path=C:\pentaho\bi-server\pentaho-solutions (org.pentaho.repository.filebased.solution.SolutionRepository)
[fr_14] Error: ConnectFactory.ERROR_0001 - [fr_1] DATABASE connection could NOT be established TO: moe_kettle - javax.naming.NameNotFoundException: moe_kettle