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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2021/07/21 00:33:01 UTC
[GitHub] [pulsar] Anonymitaet commented on a change in pull request #11392: Issue 11338: add documentation about the upgrade of Pulsar 2.8.0
Anonymitaet commented on a change in pull request #11392:
URL: https://github.com/apache/pulsar/pull/11392#discussion_r673579199
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File path: site2/website/release-notes.md
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@@ -3,6 +3,15 @@
### 2.8.0 — 2021-06-12 <a id=“2.8.0”></a>
+### Update notice
+
+Due to a breaking change in the Schema API it may happen that some Pulsar Functions or Pulsar IO Connector fail to work,
+throwing an `IncompatibleClassChangeError`.
+In this case you have to rebuild your Function using Apache Pulsar 2.8.0 as dependency and redeploy it.
+If you are running on Kubernetes you can temporarily let the Functions Worker pod run with a previous version of Pulsar
+in order to not cause downtime.
+More context in [this issue](https://github.com/apache/pulsar/issues/11338).
Review comment:
```suggestion
Due to a breaking change in the Schema API, it may happen that some Pulsar Functions or Pulsar IO connectors fail to work,
throwing an `IncompatibleClassChangeError`.
In this case, you need to rebuild your Function using Apache Pulsar 2.8.0 as a dependency and redeploy it.
If you are running on Kubernetes, you can temporarily let the Functions Worker pod run with a previous version of Pulsar
in order to not cause downtime.
For more context about this issue, see [[Pulsar Functions and IO] Cannot upgrade Function built for Pulsar 2.7 to Pulsar 2.8](https://github.com/apache/pulsar/issues/11338).
```
1. can you give more context about `breaking change in the Schema API`? (for example, add a related link?)
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