Problem with BTree : storageIds:mdr

Hi all,

Trying to create my repository I get a DebugException:

org.netbeans.mdr.util.DebugException: Fatal I/O error: org.netbeans.mdr.pe=
rsistence.StorageBadRequestException: There is no value for key =22storage=
Ids:mdr=22

The two files have been created where I want and all seems to be ok except=
 that.

Here is my repository creation Code:



Map repositoryConfigMap =3D new HashMap();
		repositoryConfigMap.put(
			=22storage=22,
			=22org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeFactory=22)=
;
		repositoryConfigMap.put(=22org.netbeans.mdr.persistence.btreeimpl.filena=
me=22, dbPath.toString());		=

		System.setProperty(=22org.netbeans.lib.jmi.Logger.fileName=22,
		=22mdr.log=22);
		=

		// Construct the repository		=

		this.mdrRepository =3D new NBMDRepositoryImpl(repositoryConfigMap);
		//MDRManager.getDefault().getDefaultRepository().beginTrans(true);
		=

		//this.mdrRepository =3D MDRManager.getDefault().getDefaultRepository();
		//this.mdrRepository.
		ModelPackage metaModelExtent =3D
					 (ModelPackage) mdrRepository.getExtent(=22testextent=22);

I use mdr jars from the alpha center (downloaded two mounth ago)

I don't know what to do, please help me....

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