public SyncStrategy(CoreContainer cc) {
UpdateShardHandler updateShardHandler = cc.getUpdateShardHandler();
client = updateShardHandler.getHttpClient();
shardHandler = cc.getShardHandlerFactory().getShardHandler();
updateExecutor = updateShardHandler.getUpdateExecutor();
}
/** Stops all cores. */
public void shutdown() {
log.info("Shutting down CoreContainer instance=" + System.identityHashCode(this));
isShutDown = true;
ExecutorUtil.shutdownAndAwaitTermination(coreContainerWorkExecutor);
if (isZooKeeperAware()) {
cancelCoreRecoveries();
zkSys.zkController.publishNodeAsDown(zkSys.zkController.getNodeName());
}
try {
if (coreAdminHandler != null) coreAdminHandler.shutdown();
} catch (Exception e) {
log.warn("Error shutting down CoreAdminHandler. Continuing to close CoreContainer.", e);
}
try {
// First wake up the closer thread, it'll terminate almost immediately since it checks
// isShutDown.
synchronized (solrCores.getModifyLock()) {
solrCores.getModifyLock().notifyAll(); // wake up anyone waiting
}
if (backgroundCloser
!= null) { // Doesn't seem right, but tests get in here without initializing the core.
try {
backgroundCloser.join();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
if (log.isDebugEnabled()) {
log.debug("backgroundCloser thread was interrupted before finishing");
}
}
}
// Now clear all the cores that are being operated upon.
solrCores.close();
// It's still possible that one of the pending dynamic load operation is waiting, so wake it
// up if so.
// Since all the pending operations queues have been drained, there should be nothing to do.
synchronized (solrCores.getModifyLock()) {
solrCores.getModifyLock().notifyAll(); // wake up the thread
}
} finally {
try {
if (shardHandlerFactory != null) {
shardHandlerFactory.close();
}
} finally {
try {
if (updateShardHandler != null) {
updateShardHandler.close();
}
} finally {
// we want to close zk stuff last
zkSys.close();
}
}
}
// It should be safe to close the authorization plugin at this point.
try {
if (authorizationPlugin != null) {
authorizationPlugin.plugin.close();
}
} catch (IOException e) {
log.warn("Exception while closing authorization plugin.", e);
}
// It should be safe to close the authentication plugin at this point.
try {
if (authenticationPlugin != null) {
authenticationPlugin.plugin.close();
authenticationPlugin = null;
}
} catch (Exception e) {
log.warn("Exception while closing authentication plugin.", e);
}
org.apache.lucene.util.IOUtils.closeWhileHandlingException(loader); // best effort
}