diff --git a/common/source/java/ch/systemsx/cisd/common/jython/PythonInterpreter.java b/common/source/java/ch/systemsx/cisd/common/jython/PythonInterpreter.java
index 43438c5b1ac31f6032a3678e8f321fc7e7f6952e..ce7b2864cc6d527e150d60d671eda67c04959b7a 100644
--- a/common/source/java/ch/systemsx/cisd/common/jython/PythonInterpreter.java
+++ b/common/source/java/ch/systemsx/cisd/common/jython/PythonInterpreter.java
@@ -22,7 +22,7 @@ import org.python.core.PySystemState;
 
 import ch.systemsx.cisd.common.logging.LogCategory;
 import ch.systemsx.cisd.common.logging.LogFactory;
-import ch.systemsx.cisd.common.resource.IResource;
+import ch.systemsx.cisd.common.resource.IReleasable;
 import ch.systemsx.cisd.common.resource.Resources;
 
 /**
@@ -49,9 +49,9 @@ public class PythonInterpreter extends org.python.util.PythonInterpreter
     public void set(String name, Object value)
     {
         super.set(name, value);
-        if (value instanceof IResource)
+        if (value instanceof IReleasable)
         {
-            resources.add((IResource) value);
+            resources.add((IReleasable) value);
         }
     }
 
@@ -59,9 +59,9 @@ public class PythonInterpreter extends org.python.util.PythonInterpreter
     public void set(String name, PyObject value)
     {
         super.set(name, value);
-        if (value instanceof IResource)
+        if (value instanceof IReleasable)
         {
-            resources.add((IResource) value);
+            resources.add((IReleasable) value);
         }
     }
 
diff --git a/common/source/java/ch/systemsx/cisd/common/utilities/IInitializable.java b/common/source/java/ch/systemsx/cisd/common/resource/IInitializable.java
similarity index 94%
rename from common/source/java/ch/systemsx/cisd/common/utilities/IInitializable.java
rename to common/source/java/ch/systemsx/cisd/common/resource/IInitializable.java
index af6d743e25918c476fcf035d92906aab98447a76..cb4f2bdfcab27a6f56725b902241b550c939e9e8 100644
--- a/common/source/java/ch/systemsx/cisd/common/utilities/IInitializable.java
+++ b/common/source/java/ch/systemsx/cisd/common/resource/IInitializable.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package ch.systemsx.cisd.common.utilities;
+package ch.systemsx.cisd.common.resource;
 
 /**
  * Interface for initializable classes.
diff --git a/common/source/java/ch/systemsx/cisd/common/resource/IResource.java b/common/source/java/ch/systemsx/cisd/common/resource/IReleasable.java
similarity index 96%
rename from common/source/java/ch/systemsx/cisd/common/resource/IResource.java
rename to common/source/java/ch/systemsx/cisd/common/resource/IReleasable.java
index 1342844b39894c2a61a91018ed47e8e0ef20a1d2..54d8c3168f2f5139e103cbb75c226c92b38d38f1 100644
--- a/common/source/java/ch/systemsx/cisd/common/resource/IResource.java
+++ b/common/source/java/ch/systemsx/cisd/common/resource/IReleasable.java
@@ -19,7 +19,7 @@ package ch.systemsx.cisd.common.resource;
 /**
  * @author pkupczyk
  */
-public interface IResource
+public interface IReleasable
 {
 
     public void release();
diff --git a/common/source/java/ch/systemsx/cisd/common/resource/Resources.java b/common/source/java/ch/systemsx/cisd/common/resource/Resources.java
index c1c61a11f0324d9483418103adbb5369ee7deb0e..8bdf906489597562baca3fae21227c619f8f9e7b 100644
--- a/common/source/java/ch/systemsx/cisd/common/resource/Resources.java
+++ b/common/source/java/ch/systemsx/cisd/common/resource/Resources.java
@@ -29,14 +29,14 @@ public class Resources
 
     private Logger logger;
 
-    public Set<IResource> resources = new LinkedHashSet<IResource>();
+    public Set<IReleasable> resources = new LinkedHashSet<IReleasable>();
 
     public Resources(Logger logger)
     {
         this.logger = logger;
     }
 
-    public void add(IResource resource)
+    public void add(IReleasable resource)
     {
         resources.add(resource);
     }
@@ -45,7 +45,7 @@ public class Resources
     {
         if (resources.size() > 0)
         {
-            for (IResource resource : resources)
+            for (IReleasable resource : resources)
             {
                 try
                 {
diff --git a/common/sourceTest/java/ch/systemsx/cisd/common/resource/ResourcesTest.java b/common/sourceTest/java/ch/systemsx/cisd/common/resource/ResourcesTest.java
index f5fbd3ad63554347a592b56f9c102b7d15e678ad..22a79a9f97326dd7f00f78623b12add678d6cb50 100644
--- a/common/sourceTest/java/ch/systemsx/cisd/common/resource/ResourcesTest.java
+++ b/common/sourceTest/java/ch/systemsx/cisd/common/resource/ResourcesTest.java
@@ -31,10 +31,10 @@ public class ResourcesTest
     {
         Mockery context = new Mockery();
 
-        final IResource failingResource1 = context.mock(IResource.class, "failingResource1");
-        final IResource failingResource2 = context.mock(IResource.class, "failingResource2");
-        final IResource notFailingResource1 = context.mock(IResource.class, "notFailingResource1");
-        final IResource notFailingResource2 = context.mock(IResource.class, "notFailingResource2");
+        final IReleasable failingResource1 = context.mock(IReleasable.class, "failingResource1");
+        final IReleasable failingResource2 = context.mock(IReleasable.class, "failingResource2");
+        final IReleasable notFailingResource1 = context.mock(IReleasable.class, "notFailingResource1");
+        final IReleasable notFailingResource2 = context.mock(IReleasable.class, "notFailingResource2");
 
         Resources resources = new Resources(null);
         resources.add(notFailingResource1);
@@ -67,7 +67,7 @@ public class ResourcesTest
     {
         Mockery context = new Mockery();
 
-        final IResource resource = context.mock(IResource.class);
+        final IReleasable resource = context.mock(IReleasable.class);
 
         Resources resources = new Resources(null);
         resources.add(resource);
@@ -90,7 +90,7 @@ public class ResourcesTest
     {
         Mockery context = new Mockery();
 
-        final IResource resource = context.mock(IResource.class);
+        final IReleasable resource = context.mock(IReleasable.class);
 
         Resources resources = new Resources(null);
         resources.add(resource);
diff --git a/datastore_server/source/java/ch/systemsx/cisd/etlserver/TopLevelDataSetRegistratorGlobalState.java b/datastore_server/source/java/ch/systemsx/cisd/etlserver/TopLevelDataSetRegistratorGlobalState.java
index b085bfe455a504f2afdb683f912ad32c4bc7fc6d..c38fdea2d520b6cba54414dd63b4f45590a5a950 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/etlserver/TopLevelDataSetRegistratorGlobalState.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/etlserver/TopLevelDataSetRegistratorGlobalState.java
@@ -27,7 +27,7 @@ import ch.systemsx.cisd.common.logging.LogCategory;
 import ch.systemsx.cisd.common.logging.LogFactory;
 import ch.systemsx.cisd.common.mail.IMailClient;
 import ch.systemsx.cisd.common.properties.PropertyUtils;
-import ch.systemsx.cisd.common.resource.IResource;
+import ch.systemsx.cisd.common.resource.IReleasable;
 import ch.systemsx.cisd.common.shared.basic.utils.StringUtils;
 import ch.systemsx.cisd.etlserver.registrator.recovery.IDataSetStorageRecoveryManager;
 import ch.systemsx.cisd.etlserver.validation.IDataSetValidator;
@@ -40,7 +40,7 @@ import ch.systemsx.cisd.openbis.generic.shared.basic.dto.Person;
  * 
  * @author Chandrasekhar Ramakrishnan
  */
-public class TopLevelDataSetRegistratorGlobalState implements IResource
+public class TopLevelDataSetRegistratorGlobalState implements IReleasable
 {
     // can be used from dropboxes
     public static final Logger operationLog = LogFactory.getLogger(LogCategory.OPERATION,
@@ -407,9 +407,9 @@ public class TopLevelDataSetRegistratorGlobalState implements IResource
     @Override
     public void release()
     {
-        if (getDataSourceQueryService() instanceof IResource)
+        if (getDataSourceQueryService() instanceof IReleasable)
         {
-            ((IResource) getDataSourceQueryService()).release();
+            ((IReleasable) getDataSourceQueryService()).release();
         }
     }
 
diff --git a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/DataStoreServer.java b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/DataStoreServer.java
index fcd435221e2d54a67a5839a29eb79dff11ad3841..eaf308c401c6872c65f25a3713930e332f8d270d 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/DataStoreServer.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/DataStoreServer.java
@@ -65,8 +65,8 @@ import ch.systemsx.cisd.common.exceptions.EnvironmentFailureException;
 import ch.systemsx.cisd.common.logging.LogCategory;
 import ch.systemsx.cisd.common.logging.LogFactory;
 import ch.systemsx.cisd.common.logging.LogInitializer;
+import ch.systemsx.cisd.common.resource.IInitializable;
 import ch.systemsx.cisd.common.utilities.ExtendedProperties;
-import ch.systemsx.cisd.common.utilities.IInitializable;
 import ch.systemsx.cisd.openbis.dss.generic.shared.IEncapsulatedOpenBISService;
 import ch.systemsx.cisd.openbis.dss.generic.shared.ServiceProvider;
 import ch.systemsx.cisd.openbis.dss.generic.shared.api.internal.authorization.DssSessionAuthorizationHolder;
diff --git a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/DataStoreServiceLogger.java b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/DataStoreServiceLogger.java
index ed6cf9762944688480c04eaa06a257e90f4c3464..b012ce418155806dd8c94011774df2c494ad3ad8 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/DataStoreServiceLogger.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/DataStoreServiceLogger.java
@@ -22,9 +22,9 @@ import java.util.Map;
 import org.apache.log4j.Logger;
 
 import ch.systemsx.cisd.common.exceptions.InvalidAuthenticationException;
+import ch.systemsx.cisd.common.resource.IInitializable;
 import ch.systemsx.cisd.common.serviceconversation.ServiceMessage;
 import ch.systemsx.cisd.common.spring.IInvocationLoggerContext;
-import ch.systemsx.cisd.common.utilities.IInitializable;
 import ch.systemsx.cisd.openbis.generic.shared.IDataStoreService;
 import ch.systemsx.cisd.openbis.generic.shared.basic.dto.CustomImportFile;
 import ch.systemsx.cisd.openbis.generic.shared.basic.dto.ExternalData;
diff --git a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/shared/DataSourceQueryService.java b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/shared/DataSourceQueryService.java
index 3626cc695cc20f5c0280e9b9d498dd2a1f82ff1b..8acf740aec6b04ad04527b9cfea8f5729053ac8c 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/shared/DataSourceQueryService.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/shared/DataSourceQueryService.java
@@ -28,14 +28,14 @@ import org.apache.log4j.Logger;
 
 import ch.systemsx.cisd.common.logging.LogCategory;
 import ch.systemsx.cisd.common.logging.LogFactory;
-import ch.systemsx.cisd.common.resource.IResource;
+import ch.systemsx.cisd.common.resource.IReleasable;
 import ch.systemsx.cisd.common.resource.Resources;
 import ch.systemsx.cisd.openbis.dss.generic.shared.api.internal.v1.IDataSourceQueryService;
 
 /**
  * @author Chandrasekhar Ramakrishnan
  */
-public class DataSourceQueryService implements IDataSourceQueryService, IResource
+public class DataSourceQueryService implements IDataSourceQueryService, IReleasable
 {
     private static final Logger operationLog = LogFactory.getLogger(LogCategory.OPERATION,
             DataSourceQueryService.class);
@@ -82,7 +82,7 @@ public class DataSourceQueryService implements IDataSourceQueryService, IResourc
         resources.clear();
     }
 
-    private static class DataSetResource implements IResource
+    private static class DataSetResource implements IReleasable
     {
 
         private DataSet<?> dataSet;
diff --git a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/shared/IDataStoreServiceInternal.java b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/shared/IDataStoreServiceInternal.java
index 7773a7f60a23a945fb145194f19952f7923c4fa8..db0910b2901ebd7c6b9251b15692c3271f00b978 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/shared/IDataStoreServiceInternal.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/shared/IDataStoreServiceInternal.java
@@ -16,7 +16,7 @@
 
 package ch.systemsx.cisd.openbis.dss.generic.shared;
 
-import ch.systemsx.cisd.common.utilities.IInitializable;
+import ch.systemsx.cisd.common.resource.IInitializable;
 import ch.systemsx.cisd.openbis.generic.shared.IDataStoreService;
 
 /**