dice-group / dice-group/COPAAL

SPARQL client may end up getting HTTP 429

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bug
Dominant language
Java
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12
Forks
3
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No merged PRs in 30d

Description

# Description

The latest SPARQL client implementation does not seem to make use of delays. This can lead to the situation that the client receives HTTP 429 (too many requests) responses from endpoints instead of receiving data.

# Solution

- [ ] Insert a longer break when receiving HTTP 429.
- [ ] Enable the configuration and usage of a static delay between requests.
- [ ] The configuration has to be done from outside! It should be possible to start COPAAL with or without a delay.

Note that the solution has to be implemented in a way that it does not collide with the max. query execution time.

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