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neo4j-contrib · May 3, 2022 · ae8f067 · ae8f067
1 parent 892d12c
commit ae8f067
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/core/src/main/java/apoc/cypher/CypherInitializer.java b/core/src/main/java/apoc/cypher/CypherInitializer.java
@@ -19,6 +19,7 @@
 import java.util.ConcurrentModificationException;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.TreeMap;
 
 public class CypherInitializer implements AvailabilityListener {
@@ -91,9 +92,11 @@ public void available() {
         }).start();
     }
 
-    // only for testing purpose
+    // the visibility is public only for testing purpose, it could be private otherwise
     public static boolean isVersionDifferent(List<String> versions, String apocFullVersion) {
-        return versions.stream().noneMatch(apocFullVersion::startsWith);
+        return Optional.ofNullable(apocFullVersion)
+                .map(v -> versions.stream().noneMatch(v::startsWith))
+                .orElse(true);
     }
 
     private Collection<String> collectInitializers(boolean isSystemDatabase, Configuration config) {