in alloydb-jdbc-connector/src/main/java/com/google/cloud/alloydb/InternalConnectorRegistry.java [132:148]
public void close(String name) {
synchronized (shutdownGuard) {
if (shutdown) {
throw new IllegalStateException("ConnectorRegistry was shut down.");
}
}
Connector connector = namedConnectors.remove(name);
if (connector == null) {
throw new IllegalArgumentException("Named connection " + name + " does not exist.");
}
try {
connector.close();
} catch (IOException e) {
throw new RuntimeException(e);
}
}