[FLINK-35778] Escape URI reserved characters when creating file-merging directories

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.20.0
• Fix Version/s: 1.20.0
• Component/s: Runtime / Checkpointing
• Labels: pull-request-available
• Assignee: Zakelly Lan
• Reporter: Zakelly Lan
• Created: 07/Jul/24 08:17
• Updated: 08/Jul/24 13:09
• Resolved: 08/Jul/24 13:09

Description

Currently, the file-merging manager for checkpoint files will create directories based on tm resource id, job id and operator ids. While in some cases, these ids include some characters that are reserved in URI scheme. So we should do a simple escape for those ids.

Issue Links

• blocks: FLINK-35624 Release Testing: Verify FLIP-306 Unified File Merging Mechanism for Checkpoints
• links to: GitHub Pull Request #25030