java: adjust cache expiration policy for long running java processes

other/java/client/src/main/java/seaweedfs/client/ChunkCache.java

@@ -15,7 +15,7 @@ public class ChunkCache {
         }
         this.cache = CacheBuilder.newBuilder()
                 .maximumSize(maxEntries)
-                .expireAfterAccess(1, TimeUnit.HOURS)
+                .expireAfterWrite(1, TimeUnit.HOURS)
                 .build();
     }
 

other/java/client/src/main/java/seaweedfs/client/VolumeIdCache.java

@@ -15,7 +15,7 @@ public class VolumeIdCache {
         }
         this.cache = CacheBuilder.newBuilder()
                 .maximumSize(maxEntries)
-                .expireAfterAccess(5, TimeUnit.MINUTES)
+                .expireAfterWrite(5, TimeUnit.MINUTES)
                 .build();
     }