- Fix for Users.yml containing only 'users:' causing a crash.

- GroupManager will now generate a fresh Users and Groups yml if either
file is empty.

EssentialsGroupManager/src/Changelog.txt

@@ -5,4 +5,6 @@ v 1.1:
 	- Added SuperPerms support so GM will update and provide the permissions to plugins which only support Bukkit Perms.
 	- Added more helpful output to errors on argument lengths.
 	- GroupManager will now attempt to select the default world when using commands instead of failing and telling you to use '/manselect <world>'.
-	- Invalid groups assigned to players in users.yml will no longer cause a crash. GM will now set them to the default group instead.
+	- Invalid groups assigned to players in users.yml will no longer cause a crash. GM will now set them to the default group instead.
+	- Fix for Users.yml containing only 'users:' causing a crash.
+	- GroupManager will now generate a fresh Users and Groups yml if either file is empty.

EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/WorldDataHolder.java

@@ -578,6 +578,11 @@ public class WorldDataHolder {
 
         // PROCESS USERS FILE
         Map<String, Object> allUsersNode = (Map<String, Object>) usersRootDataNode.get("users");
+        
+        // Stop loading if the file is empty
+        if (allUsersNode == null)
+        	return ph;
+
         for (String usersKey : allUsersNode.keySet()) {
             Map<String, Object> thisUserNode = (Map<String, Object>) allUsersNode.get(usersKey);
             User thisUser = ph.createUser(usersKey);

EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/worlds/WorldsHolder.java

@@ -265,7 +265,7 @@ public class WorldsHolder {
             File groupsFile = new File(defaultWorldFolder, "groups.yml");
             File usersFile = new File(defaultWorldFolder, "users.yml");
             File oldDataFile = new File(plugin.getDataFolder(), "data.yml");
-            if (!groupsFile.exists()) {
+            if (!groupsFile.exists() || groupsFile.length() == 0) {
                 if (oldDataFile.exists()) {
                     try {
                         Tasks.copy(oldDataFile, groupsFile);
@@ -281,7 +281,7 @@ public class WorldsHolder {
                     }
                 }
             }
-            if (!usersFile.exists()) {
+            if (!usersFile.exists() || usersFile.length() == 0) {
                 if (oldDataFile.exists()) {
                     try {
                         Tasks.copy(oldDataFile, usersFile);

EssentialsGroupManager/src/plugin.yml

@@ -1,5 +1,5 @@
 name: GroupManager
-version: "1.1"
+version: "1.1 (Phoenix)"
 main: org.anjocaido.groupmanager.GroupManager
 website: http://www.anjocaido.info/
 description: Provides on-the-fly system for Permission system created by Nijikokun. But all in memory, and with flat-file saving schedule.