Add metaData validtion and set throw the MetadataManagementException

components/application-mgt/io.entgra.device.mgt.core.application.mgt.common/src/main/java/io/entgra/device/mgt/core/application/mgt/common/services/ApplicationManager.java

@@ -27,6 +27,7 @@ import io.entgra.device.mgt.core.application.mgt.common.response.Category;
 import io.entgra.device.mgt.core.application.mgt.common.response.Tag;
 import io.entgra.device.mgt.core.device.mgt.common.Base64File;
 import io.entgra.device.mgt.core.application.mgt.common.dto.ApplicationDTO;
+import io.entgra.device.mgt.core.device.mgt.common.exceptions.MetadataManagementException;
 import org.apache.cxf.jaxrs.ext.multipart.Attachment;
 import io.entgra.device.mgt.core.application.mgt.common.ApplicationArtifact;
 import io.entgra.device.mgt.core.application.mgt.common.LifecycleChanger;
@@ -402,7 +403,7 @@ public interface ApplicationManager {
      * To validate the application creating request
      *
      */
-    <T> void validateAppCreatingRequest(T param) throws ApplicationManagementException, RequestValidatingException;
+    <T> void validateAppCreatingRequest(T param) throws ApplicationManagementException, RequestValidatingException, MetadataManagementException;
 
     /**
      *

components/application-mgt/io.entgra.device.mgt.core.application.mgt.core/src/main/java/io/entgra/device/mgt/core/application/mgt/core/impl/ApplicationManagerImpl.java

@@ -3515,7 +3515,8 @@ public class ApplicationManagerImpl implements ApplicationManager {
     }
 
     @Override
-    public <T> void validateAppCreatingRequest(T param) throws ApplicationManagementException, RequestValidatingException {
+    public <T> void validateAppCreatingRequest(T param)
+            throws ApplicationManagementException, RequestValidatingException, MetadataManagementException {
         int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId(true);
         String userName = PrivilegedCarbonContext.getThreadLocalCarbonContext().getUsername();
         int deviceTypeId = -1;
@@ -3748,8 +3749,9 @@ public class ApplicationManagerImpl implements ApplicationManager {
             log.error(msg, e);
             throw new ApplicationManagementException(msg, e);
         } catch (MetadataManagementException e) {
-            log.error("Error occurred while retrieving metadata list", e);
-            throw new RuntimeException(e);
+            String msg = "Error occurred while retrieving metadata list";
+            log.error(msg, e);
+            throw new MetadataManagementException(msg, e);
         } finally {
             ConnectionManagerUtil.closeDBConnection();
         }