NPE checking

redisson/src/main/java/org/redisson/RedissonMapCache.java

@@ -86,14 +86,18 @@ public class RedissonMapCache<K, V> extends RedissonMap<K, V> implements RMapCac
     public RedissonMapCache(EvictionScheduler evictionScheduler, CommandAsyncExecutor commandExecutor,
                             String name, RedissonClient redisson, MapOptions<K, V> options) {
         super(commandExecutor, name, redisson, options);
+        if (evictionScheduler != null) {
             evictionScheduler.schedule(getName(), getTimeoutSetName(), getIdleSetName(), getExpiredChannelName(), getLastAccessTimeSetName());
         }
+    }
 
     public RedissonMapCache(Codec codec, EvictionScheduler evictionScheduler, CommandAsyncExecutor commandExecutor,
                             String name, RedissonClient redisson, MapOptions<K, V> options) {
         super(codec, commandExecutor, name, redisson, options);
+        if (evictionScheduler != null) {
             evictionScheduler.schedule(getName(), getTimeoutSetName(), getIdleSetName(), getExpiredChannelName(), getLastAccessTimeSetName());
         }
+    }
 
     @Override
     public boolean trySetMaxSize(int maxSize) {