Update GitHub Action versions

.github/workflows/build.yml

@@ -11,22 +11,22 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
       - name: Set up JDK 17
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           distribution: 'adopt'
           java-version: '17'
       - name: Cache SonarCloud packages
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ~/.sonar/cache
           key: ${{ runner.os }}-sonar
           restore-keys: ${{ runner.os }}-sonar
       - name: Cache Maven packages
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}

src/main/java/world/bentobox/warps/managers/WarpSignsManager.java

@@ -199,15 +199,15 @@ public class WarpSignsManager {
             warpsData = handler.loadObject(WARPS);
             // Load into map
             if (warpsData != null) {
-                warpsData.getWarpSigns().forEach((k,v) -> {
-                    if (k != null && k.getWorld() != null) {
-                        if (k.getWorld().isChunkLoaded(k.getBlockX() >> 4, k.getBlockZ() >> 4)
-                                && !k.getBlock().getType().name().contains("SIGN")) {
+                warpsData.getWarpSigns().forEach((location,uuid) -> {
+                    if (location != null && location.getWorld() != null) {
+                        if (location.getWorld().isChunkLoaded(location.getBlockX() >> 4, location.getBlockZ() >> 4)
+                                && !location.getBlock().getType().name().contains("SIGN")) {
                             return;
                         }
 
                         // Add to map
-                        getWarpMap(k.getWorld()).put(v, k);
+                        getWarpMap(location.getWorld()).put(uuid, location);
                     }
                 });
             } else {