Index: /FCKeditor.Java/branches/2.4/src/main/java/net/fckeditor/connector/ConnectorServlet.java
===================================================================
--- /FCKeditor.Java/branches/2.4/src/main/java/net/fckeditor/connector/ConnectorServlet.java	(revision 1639)
+++ /FCKeditor.Java/branches/2.4/src/main/java/net/fckeditor/connector/ConnectorServlet.java	(revision 1640)
@@ -266,4 +266,5 @@
 								uplFile.write(pathToSave);
 							} else {
+								uplFile.delete();
 								ur = UploadResponse.UR_INVALID_EXTENSION;
 							}