core/src/main/java/org/sakaiproject/nakamura/lite/storage/spi/AbstractClientConnectionPool.java
public void releaseClient(StorageClient client) {
        try {
            if (client != null) {
                pool.returnObject(client);
                LOGGER.debug("Released storage client pool client:" + client);
            }
        } catch (Exception e) {
            LOGGER.warn("Failed to close connection " + e.getMessage(), e);
        }
    }
public void releaseClient(StorageClient client) {
        try {
            if (client != null) {
                pool.returnObject(client);
                LOGGER.debug("Released storage client pool client:" + client);
            }
        } catch (Exception e) {
            LOGGER.warn("Failed to close connection " + e.getMessage(), e);
        }
    }
/*
(non-Javadoc)

@see
org.sakaiproject.nakamura.lite.cassandra.ConnectionPool#closeConnection()