Attempting to fix issues #272 , #266 , #261 , and #255 .

src/main/java/com/gmail/nossr50/skills/gathering/BlastMining.java

@@ -82,6 +82,9 @@ public class BlastMining {
      * @param event Event whose explosion is being processed
      */
     public static void dropProcessing(Player player, EntityExplodeEvent event) {
+        if(player == null)
+            return;
+
         final int RANK_1_LEVEL = 125;
         final int RANK_2_LEVEL = 250;
         final int RANK_3_LEVEL = 375;
@@ -172,6 +175,9 @@ public class BlastMining {
      * @param event Event whose explosion radius is being changed
      */
     public static void biggerBombs(Player player, ExplosionPrimeEvent event) {
+        if(player == null)
+            return;
+
         final int RANK_1_LEVEL = 250;
         final int RANK_2_LEVEL = 500;
         final int RANK_3_LEVEL = 750;
@@ -210,6 +216,9 @@ public class BlastMining {
      * @param event Event whose explosion damage is being reduced
      */
     public static void demolitionsExpertise(Player player, EntityDamageEvent event) {
+        if(player == null)
+            return;
+
         final int RANK_1_LEVEL = 500;
         final int RANK_2_LEVEL = 750;
         final int RANK_3_LEVEL = 1000;
@@ -242,6 +251,9 @@ public class BlastMining {
      * @param plugin mcMMO plugin instance
      */
     public static void detonate(PlayerInteractEvent event, Player player, mcMMO plugin) {
+        if(player == null)
+            return;
+
         PlayerProfile profile = Users.getProfile(player);
 
         if (profile.getSkillLevel(SkillType.MINING) < 125)

src/main/java/com/gmail/nossr50/skills/gathering/Excavation.java

@@ -37,6 +37,9 @@ public class Excavation {
      * @param player The player who broke the block
      */
     public static void excavationProcCheck(Block block, Player player) {
+        if(player == null)
+            return;
+
         Material type = block.getType();
         Location location = block.getLocation();
 
@@ -122,6 +125,9 @@ public class Excavation {
      * @param block The block to check
      */
     public static void gigaDrillBreaker(Player player, Block block) {
+        if(player == null)
+            return;
+
         Skills.abilityDurabilityLoss(player.getItemInHand(), Config.getInstance().getAbilityToolDamage());
 
         if (!mcMMO.placeStore.isTrue(block) && !Misc.blockBreakSimulate(block, player, true)) {

src/main/java/com/gmail/nossr50/skills/gathering/Fishing.java

@@ -72,6 +72,9 @@ public class Fishing {
      * @param event The event to modify
      */
     private static void getFishingResults(Player player, PlayerFishEvent event) {
+        if(player == null)
+            return;
+
         PlayerProfile profile = Users.getProfile(player);
         List<FishingTreasure> rewards = new ArrayList<FishingTreasure>();
         Item theCatch = (Item) event.getCaught();
@@ -135,6 +138,9 @@ public class Fishing {
      */
     public static void processResults(PlayerFishEvent event) {
         Player player = event.getPlayer();
+        if(player == null)
+            return;
+
         PlayerProfile profile = Users.getProfile(player);
 
         getFishingResults(player, event);

src/main/java/com/gmail/nossr50/skills/gathering/Herbalism.java

@@ -37,6 +37,9 @@ public class Herbalism {
      * @param block The block to be changed by Green Terra
      */
     public static void greenTerra(Player player, Block block) {
+        if(player == null)
+            return;
+
         PlayerInventory inventory = player.getInventory();
         boolean hasSeeds = inventory.contains(Material.SEEDS);
 
@@ -51,6 +54,9 @@ public class Herbalism {
     }
 
     public static void greenTerraConvert(Player player, Block block) {
+        if(player == null)
+            return;
+
         Material type = block.getType();
 
         if (Misc.blockBreakSimulate(block, player, false)) {
@@ -77,6 +83,9 @@ public class Herbalism {
      * @param plugin mcMMO plugin instance
      */
     public static void herbalismProcCheck(final Block block, Player player, BlockBreakEvent event, mcMMO plugin) {
+        if(player == null)
+            return;
+
         final PlayerProfile profile = Users.getProfile(player);
         final int MAX_BONUS_LEVEL = 1000;
 
@@ -372,6 +381,9 @@ public class Herbalism {
      * @param plugin mcMMO plugin instance
      */
     private static void greenThumbWheat(Block block, Player player, BlockBreakEvent event, mcMMO plugin) {
+        if(player == null)
+            return;
+
         final int MAX_BONUS_LEVEL = 1500;
 
         PlayerProfile profile = Users.getProfile(player);
@@ -407,6 +419,9 @@ public class Herbalism {
      * @param block The block being used in the ability
      */
     public static void greenThumbBlocks(ItemStack is, Player player, Block block) {
+        if(player == null)
+            return;
+
         final int MAX_BONUS_LEVEL = 1500;
 
         PlayerProfile profile = Users.getProfile(player);