Ticket #362: Cleaned up a bit more.

guacamole/src/main/java/org/glyptodon/guacamole/net/basic/rest/connection/ConnectionRESTService.java

@@ -97,7 +97,7 @@ public class ConnectionRESTService {
             }
             
             if(parentConnectionGroup == null)
-                throw new GuacamoleClientException("No ConnectionGroup found with the provided parentID.");
+                throw new HTTPException(Status.NOT_FOUND, "No Connection found with the provided parentID.");
             
             Directory<String, Connection> connectionDirectory = 
                     parentConnectionGroup.getConnectionDirectory();
@@ -112,9 +112,9 @@ public class ConnectionRESTService {
             
             return connectionService.convertConnectionList(connections);
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught while listing connections.", e);
             throw new HTTPException(Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");
@@ -145,13 +145,13 @@ public class ConnectionRESTService {
             Connection connection = connectionDirectory.get(connectionID);
             
             if(connection == null)
-                throw new GuacamoleClientException("No Connection found with the provided ID.");
+                throw new HTTPException(Status.NOT_FOUND, "No Connection found with the provided parentID.");
             
             return new APIConnection(connection);
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught while getting connection.", e);
             throw new HTTPException(Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");
@@ -178,14 +178,14 @@ public class ConnectionRESTService {
             
             // Make sure the connection is there before trying to delete
             if(connectionDirectory.get(connectionID) == null)
-                throw new GuacamoleClientException("No Connection found with the provided ID.");
+                throw new HTTPException(Status.NOT_FOUND, "No Connection found with the provided ID.");
             
             // Delete the connection
             connectionDirectory.remove(connectionID);
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught while deleting connection.", e);
             throw new HTTPException(Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");
@@ -225,7 +225,7 @@ public class ConnectionRESTService {
             }
             
             if(parentConnectionGroup == null)
-                throw new GuacamoleClientException("No ConnectionGroup found with the provided parentID.");
+                throw new HTTPException(Status.NOT_FOUND, "No Connection found with the provided parentID.");
             
             Directory<String, Connection> connectionDirectory = 
                     parentConnectionGroup.getConnectionDirectory();
@@ -236,9 +236,9 @@ public class ConnectionRESTService {
             // Return the new connection identifier
             return connection.getIdentifier();
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught while creating connection.", e);
             throw new HTTPException(Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");
@@ -270,14 +270,14 @@ public class ConnectionRESTService {
             
             // Make sure the connection is there before trying to update
             if(connectionDirectory.get(connectionID) == null)
-                throw new GuacamoleClientException("No Connection with the provided ID.");
+                throw new HTTPException(Status.NOT_FOUND, "No Connection found with the provided ID.");
             
             // Update the connection
             connectionDirectory.update(new APIConnectionWrapper(connection));
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught updating connection.", e);
             throw new HTTPException(Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");
@@ -310,14 +310,14 @@ public class ConnectionRESTService {
             ConnectionGroup parentConnectionGroup = connectionGroupDirectory.get(parentID);
             
             if(parentConnectionGroup == null)
-                throw new GuacamoleClientException("No ConnectionGroup found with the provided parentID.");
+                throw new HTTPException(Status.NOT_FOUND, "No Connection found with the provided parentID.");
             
             // Move the connection
             connectionDirectory.move(connectionID, parentConnectionGroup.getConnectionDirectory());
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught moving connection.", e);
             throw new HTTPException(Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");

guacamole/src/main/java/org/glyptodon/guacamole/net/basic/rest/connectiongroup/ConnectionGroupRESTService.java

@@ -96,7 +96,7 @@ public class ConnectionGroupRESTService {
             }
             
             if(parentConnectionGroup == null)
-                throw new GuacamoleClientException("No ConnectionGroup found with the provided parentID.");
+                throw new HTTPException(Status.NOT_FOUND, "No ConnectionGroup found with the provided parentID.");
             
             Directory<String, ConnectionGroup> connectionGroupDirectory = 
                     parentConnectionGroup.getConnectionGroupDirectory();
@@ -111,9 +111,9 @@ public class ConnectionGroupRESTService {
             
             return connectionGroupService.convertConnectionGroupList(connectionGroups);
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught while listing connection groups.", e);
             throw new HTTPException(Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");
@@ -144,13 +144,13 @@ public class ConnectionGroupRESTService {
             ConnectionGroup connectionGroup = connectionGroupDirectory.get(connectionGroupID);
             
             if(connectionGroup == null)
-                throw new GuacamoleClientException("No ConnectionGroup found with the provided ID.");
+                throw new HTTPException(Status.NOT_FOUND, "No ConnectionGroup found with the provided ID.");
             
             return new APIConnectionGroup(connectionGroup);
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught while getting connection group.", e);
             throw new HTTPException(Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");
@@ -177,14 +177,14 @@ public class ConnectionGroupRESTService {
             
             // Make sure the connection is there before trying to delete
             if(connectionGroupDirectory.get(connectionGroupID) == null)
-                throw new GuacamoleClientException("No Connection found with the provided ID.");
+                throw new HTTPException(Status.NOT_FOUND, "No ConnectionGroup found with the provided ID.");
             
             // Delete the connection group
             connectionGroupDirectory.remove(connectionGroupID);
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught while deleting connection group.", e);
             throw new HTTPException(Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");
@@ -224,7 +224,7 @@ public class ConnectionGroupRESTService {
             }
             
             if(parentConnectionGroup == null)
-                throw new GuacamoleClientException("No ConnectionGroup found with the provided parentID.");
+                throw new HTTPException(Status.NOT_FOUND, "No ConnectionGroup found with the provided parentID.");
             
             Directory<String, ConnectionGroup> connectionGroupDirectory = 
                     parentConnectionGroup.getConnectionGroupDirectory();
@@ -235,9 +235,9 @@ public class ConnectionGroupRESTService {
             // Return the new connection group identifier
             return connectionGroup.getIdentifier();
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught while creating connection.", e);
             throw new HTTPException(Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");
@@ -269,14 +269,14 @@ public class ConnectionGroupRESTService {
             
             // Make sure the connection group is there before trying to update
             if(connectionGroupDirectory.get(connectionGroupID) == null)
-                throw new GuacamoleClientException("No ConnectionGroup with the provided ID.");
+                throw new HTTPException(Status.NOT_FOUND, "No ConnectionGroup found with the provided ID.");
             
             // Update the connection group
             connectionGroupDirectory.update(new APIConnectionGroupWrapper(connectionGroup));
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught updating connection.", e);
             throw new HTTPException(Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");
@@ -308,15 +308,15 @@ public class ConnectionGroupRESTService {
             Directory<String, ConnectionGroup> newConnectionGroupDirectory = rootGroup.getConnectionGroupDirectory();
             ConnectionGroup parentConnectionGroup = newConnectionGroupDirectory.get(parentID);
             
-            if(newConnectionGroupDirectory == null)
+            if(parentConnectionGroup == null)
-                throw new GuacamoleClientException("No ConnectionGroup found with the provided parentID.");
+                throw new HTTPException(Status.NOT_FOUND, "No ConnectionGroup found with the provided parentID.");
             
             // Move the connection
             connectionGroupDirectory.move(connectionGroupID, parentConnectionGroup.getConnectionGroupDirectory());
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught moving connection.", e);
             throw new HTTPException(Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");

guacamole/src/main/java/org/glyptodon/guacamole/net/basic/rest/permission/PermissionRESTService.java

@@ -89,9 +89,9 @@ public class PermissionRESTService {
             return permissionService.convertPermissionList(user.getPermissions());
             
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught while listing permissions.", e);
             throw new HTTPException(Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");
@@ -122,9 +122,9 @@ public class PermissionRESTService {
             // Add the new permission
             user.addPermission(permission.toPermission());
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught adding permission.", e);
             throw new HTTPException(Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");
@@ -155,9 +155,9 @@ public class PermissionRESTService {
             // Remove the permission
             user.removePermission(permission.toPermission());
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught adding permission.", e);
             throw new HTTPException(Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");

guacamole/src/main/java/org/glyptodon/guacamole/net/basic/rest/user/UserRESTService.java

@@ -86,9 +86,9 @@ public class UserRESTService {
             // Convert and return the user directory listing
             return userService.convertUserList(userDirectory);
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Response.Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Response.Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Response.Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Response.Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught while listing permissions.", e);
             throw new HTTPException(Response.Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");
@@ -119,9 +119,9 @@ public class UserRESTService {
             // Return the user
             return new APIUser(user);
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Response.Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Response.Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Response.Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Response.Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught while listing permissions.", e);
             throw new HTTPException(Response.Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");
@@ -147,9 +147,9 @@ public class UserRESTService {
             
             return user.getUsername();
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Response.Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Response.Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Response.Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Response.Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught while listing permissions.", e);
             throw new HTTPException(Response.Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");
@@ -187,9 +187,9 @@ public class UserRESTService {
              */
             userDirectory.update(new APIUserWrapper(user, existingUser.getPermissions()));
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Response.Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Response.Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Response.Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Response.Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught while listing permissions.", e);
             throw new HTTPException(Response.Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");
@@ -220,9 +220,9 @@ public class UserRESTService {
             // Delete the user
             userDirectory.remove(userID);
         } catch(GuacamoleSecurityException e) {
-                throw new HTTPException(Response.Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
+            throw new HTTPException(Response.Status.UNAUTHORIZED, e.getMessage() != null ? e.getMessage() : "Permission denied.");
         } catch(GuacamoleClientException e) {
-                throw new HTTPException(Response.Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
+            throw new HTTPException(Response.Status.BAD_REQUEST, e.getMessage() != null ? e.getMessage() : "Invalid Request.");
         } catch(GuacamoleException e) {
             logger.error("Unexpected GuacamoleException caught while listing permissions.", e);
             throw new HTTPException(Response.Status.INTERNAL_SERVER_ERROR, e.getMessage() != null ? e.getMessage() : "Unexpected server error.");