feat(rocksdb): cleanup the jniLogger when db is closed

Author: halibobo1205

chainbase/src/main/java/org/tron/common/storage/rocksdb/RocksDbDataSourceImpl.java

@@ -57,6 +57,7 @@ public class RocksDbDataSourceImpl extends DbStat implements DbSourceInter<byte[
   private String parentPath;
   private ReadWriteLock resetDbLock = new ReentrantReadWriteLock();
   private static final org.slf4j.Logger rocksDbLogger = LoggerFactory.getLogger(ROCKSDB);
+  private Logger jniLogger;
 
   public RocksDbDataSourceImpl(String parentPath, String name, Options options) {
     this.dataBaseName = name;
@@ -92,6 +93,9 @@ public void closeDB() {
         return;
       }
       database.close();
+      jniLogger.close();
+      database = null;
+      jniLogger = null;
       alive = false;
     } catch (Exception e) {
       logger.error("Failed to find the dbStore file on the closeDB: {}.", dataBaseName, e);
@@ -192,12 +196,13 @@ public void initDB() {
       if (dataBaseName == null) {
         throw new IllegalArgumentException("No name set to the dbStore");
       }
-      options.setLogger(new Logger(options) {
+      jniLogger = new Logger(options) {
         @Override
         protected void log(InfoLogLevel infoLogLevel, String logMsg) {
           rocksDbLogger.info("{} {}", dataBaseName, logMsg);
         }
-      });
+      };
+      options.setLogger(jniLogger);
 
       try {
         logger.debug("Opening database {}.", dataBaseName);