ruanwenjun commented on issue #7309:
URL: https://github.com/apache/kyuubi/issues/7309#issuecomment-3782353867
@pan3793 The `OutOfMemoryError` has not been catched.
The error might happen at the catch code block
```
} catch (Throwable e) {
if (ClientCnxn.this.closing) {
if (ClientCnxn.LOG.isDebugEnabled()) {
ClientCnxn.LOG.debug("An exception was thrown
while closing send thread for session 0x" +
Long.toHexString(ClientCnxn.this.getSessionId()) + " : " + e.getMessage());
}
break;
}
if (e instanceof SessionExpiredException) {
ClientCnxn.LOG.info(e.getMessage() + ", closing
socket connection");
} else if (e instanceof SessionTimeoutException) {
ClientCnxn.LOG.info(e.getMessage() + ", closing
socket connection and attempting reconnect");
} else if (e instanceof EndOfStreamException) {
ClientCnxn.LOG.info(e.getMessage() + ", closing
socket connection and attempting reconnect");
} else if (e instanceof RWServerFoundException) {
ClientCnxn.LOG.info(e.getMessage());
} else if (e instanceof SocketException) {
ClientCnxn.LOG.info("Socket error occurred: {}: {}",
serverAddress, e.getMessage());
} else {
ClientCnxn.LOG.warn("Session 0x{} for server {},
unexpected error{}", new
Object[]{Long.toHexString(ClientCnxn.this.getSessionId()), serverAddress, ",
closing socket connection and attempting reconnect", e});
}
this.cleanup();
if (ClientCnxn.this.state.isAlive()) {
ClientCnxn.this.eventThread.queueEvent(new
WatchedEvent(EventType.None, KeeperState.Disconnected, (String)null));
}
this.clientCnxnSocket.updateNow();
this.clientCnxnSocket.updateLastSendAndHeard();
}
```
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