crossoverJie opened a new pull request, #18406: URL: https://github.com/apache/pulsar/pull/18406
### Motivation <!-- Explain here the context, and why you're making that change. What is the problem you're trying to solve. --> NPE can occur in extreme cases. For example: when thread A is executing here: https://github.com/apache/pulsar/blob/b6f0f91e099c47cd18cd901d5e7ebc7c4e5c0406/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ClientCnx.java#L1298 another thread has consumed all `requestTimeoutQueue` data. ### Modifications Add NPE check ### Does this pull request potentially affect one of the following parts: *If the box was checked, please highlight the changes* - [ ] Dependencies (add or upgrade a dependency) - [ ] The public API - [ ] The schema - [ ] The default values of configurations - [ ] The threading model - [ ] The binary protocol - [ ] The REST endpoints - [ ] The admin CLI options - [ ] Anything that affects deployment ### Documentation <!-- DO NOT REMOVE THIS SECTION. CHECK THE PROPER BOX ONLY. --> - [ ] `doc` <!-- Your PR contains doc changes. Please attach the local preview screenshots (run `sh start.sh` at `pulsar/site2/website`) to your PR description, or else your PR might not get merged. --> - [ ] `doc-required` <!-- Your PR changes impact docs and you will update later --> - [x] `doc-not-needed` <!-- Your PR changes do not impact docs --> - [ ] `doc-complete` <!-- Docs have been already added --> -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
