/**
* Stops the block worker. This method should only be called to terminate the worker.
*
* @throws IOException if the data server fails to close
*/
public void stop() throws IOException {
mDataServer.close();
mThriftServer.stop();
mThriftServerSocket.close();
mSessionCleanerThread.stop();
mBlockMasterClient.close();
if (mSpaceReserver != null) {
mSpaceReserver.stop();
}
mFileSystemMasterClient.close();
// Use shutdownNow because HeartbeatThreads never finish until they are interrupted
getExecutorService().shutdownNow();
mWorkerMetricsSystem.stop();
try {
mWebServer.shutdownWebServer();
} catch (Exception e) {
LOG.error("Failed to stop web server", e);
}
mBlockDataManager.stop();
while (!mDataServer.isClosed() || mThriftServer.isServing()) {
// The reason to stop and close again is due to some issues in Thrift.
mDataServer.close();
mThriftServer.stop();
mThriftServerSocket.close();
CommonUtils.sleepMs(100);
}
}
@After
public void after() {
mSpaceReserver.stop();
mExecutorService.shutdown();
}