[FLINK-21138] KvStateServerHandler is not invoked with user code classloader

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.11.2
• Fix Version/s: 1.11.4, 1.12.2, 1.13.0
• Component/s: Runtime / Queryable State
• Labels: pull-request-available
• Assignee: Maciej Prochniak
• Reporter: Maciej Prochniak
• Created: 25/Jan/21 20:43
• Updated: 11/Feb/21 18:35
• Resolved: 11/Feb/21 17:50

Description

When using e.g. custom Kryo serializers user code classloader has to be set as context classloader during invocation of methods such as TypeSerializer.duplicat()

KvStateServerHandler does not do this, which leads to exceptions like ClassNotFound etc.

Issue Links

• links to: GitHub Pull Request #14902