public void close() throws IOException {
if (txnMgr != null) txnMgr.closeTxnManager();
JavaUtils.closeClassLoadersTo(conf.getClassLoader(), parentLoader);
File resourceDir = new File(getConf().getVar(HiveConf.ConfVars.DOWNLOADED_RESOURCES_DIR));
LOG.debug("Removing resource dir " + resourceDir);
try {
if (resourceDir.exists()) {
FileUtils.deleteDirectory(resourceDir);
}
} catch (IOException e) {
LOG.info("Error removing session resource dir " + resourceDir, e);
} finally {
detachSession();
}
try {
if (tezSessionState != null) {
TezSessionPoolManager.getInstance().close(tezSessionState, false);
}
} catch (Exception e) {
LOG.info("Error closing tez session", e);
} finally {
tezSessionState = null;
}
if (sparkSession != null) {
try {
SparkSessionManagerImpl.getInstance().closeSession(sparkSession);
} catch (Exception ex) {
LOG.error("Error closing spark session.", ex);
} finally {
sparkSession = null;
}
}
dropSessionPaths(conf);
}
