[DRILL-7866] Provide a helpful message when failure to decode plugin json

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.19.0
• Assignee: Cong Luo
• Reporter: Cong Luo
• Reviewer: Vova Vysotskyi
• Created: 21/Feb/21 05:47
• Updated: 02/Mar/21 12:45
• Resolved: 02/Mar/21 12:45

Description

The "Invalid JSON" message is not helpful on Web UI when

StoragePluginConfig decode(String json) throws PluginEncodingException