diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/client/proxy/ResourceRegistryClientImpl.java b/src/main/java/org/gcube/informationsystem/resourceregistry/client/proxy/ResourceRegistryClientImpl.java
index 83c9585..81f524c 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/client/proxy/ResourceRegistryClientImpl.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/client/proxy/ResourceRegistryClientImpl.java
@@ -13,6 +13,7 @@ import javax.xml.ws.EndpointReference;
 
 import org.gcube.common.clients.delegates.AsyncProxyDelegate;
 import org.gcube.common.clients.delegates.ProxyDelegate;
+import org.gcube.common.clients.exceptions.ServiceException;
 import org.gcube.informationsystem.impl.utils.ISMapper;
 import org.gcube.informationsystem.model.ER;
 import org.gcube.informationsystem.model.ISManageable;
@@ -78,7 +79,7 @@ public class ResourceRegistryClientImpl implements ResourceRegistryClient {
 			throw e;
 		} catch (Exception e) {
 			logger.error("Error while getting {} with UUID {}", type, uuid, e);
-			throw new RuntimeException(e);
+			throw new ServiceException(e);
 		}
 	}
 
@@ -115,7 +116,7 @@ public class ResourceRegistryClientImpl implements ResourceRegistryClient {
 			throw e;
 		} catch (Exception e) {
 			logger.error("Error while getting {} instances", type, e);
-			throw new RuntimeException(e);
+			throw new ServiceException(e);
 		}
 	}
 
@@ -157,7 +158,7 @@ public class ResourceRegistryClientImpl implements ResourceRegistryClient {
 			throw e;
 		} catch (Exception e) {
 			logger.error("Error while getting instances of {} from/to {}", relationType, e);
-			throw new RuntimeException(e);
+			throw new ServiceException(e);
 		}
 	}
 
@@ -199,7 +200,7 @@ public class ResourceRegistryClientImpl implements ResourceRegistryClient {
 			logger.error("Error while getting {}schema for {}",
 					polymorphic ? AccessPath.POLYMORPHIC_PARAM + " " : "",
 					type, e);
-			throw new RuntimeException(e);
+			throw new ServiceException(e);
 		}
 	}