add check for empty collection in queryBenchmark

fullstorydev / solr-bench

Solr benchmarking and load testing harness

Apache License 2.0

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add check for empty collection in queryBenchmark #86

Closed nginthfs closed 10 months ago

nginthfs commented 11 months ago

This PR adds a check to make sure the collection for a queryBenchmark is not empty. Previously, this was hard to figure out when it happened, it would be a hard to decipher NullPointerException. This PR makes it much easier to see what went wrong.