Related Issue

#209

Environment

• OS: Windows 10 x64
• IDE: Spring Tool Suite 4 (4.0.2 RELEASE + it says there's nothing to update)
• Spring Boot with Maven
• Spock

Symptoms

1. Type @ around class/method/field/...
2. Type Ctrl + Space (it's a shortcut for Auto Complete)
3. Stops for a bit (>= 5 sec)
4. Error Prompt pops up
5. Click 'OK' button then panel is still activated (picture below)
   • it works fine while the panel is open

It doesnt happen when..

1. Type @ with one or more letter

   • LIKE:
     • @W - suggestion works normally - such as WebMvcTest
     • @D - suggestion works normally - such as DataJpaTest

2. Or Type anything other than @

   • works perfectly fine

The error prompt

Suggestion panel after the prompt closed