Rakesh R created ZOOKEEPER-1459:
-----------------------------------

             Summary: Standalone ZooKeeperServer is not closing the transaction 
log files on shutdown
                 Key: ZOOKEEPER-1459
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1459
             Project: ZooKeeper
          Issue Type: Bug
          Components: server
    Affects Versions: 3.4.0
            Reporter: Rakesh R


When shutdown the standalone ZK server, its only clearing the zkdatabase and 
not closing the transaction log streams. This will leaks the transaction log 
streams.
ZooKeeperServer.java
{noformat}
        if (zkDb != null) {
            zkDb.clear();
        }
{noformat}

Suggestion to close the zkDb as follows, this inturn will take care transaction 
logs:
{noformat}
        if (zkDb != null) {
            zkDb.clear();
            try {
                zkDb.close();
            } catch (IOException ie) {
                LOG.warn("Error closing logs ", ie);
            }
        }
{noformat}

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