Hoss Man created SOLR-9367:
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Summary: TestInjection's use of a static Random means that
sequences of events can be diff for the same test seed depending on wether
individual methods are run, or entire test classes, or multiple classes in the
same slave JVM
Key: SOLR-9367
URL: https://issues.apache.org/jira/browse/SOLR-9367
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Hoss Man
While digging through SOLR-9363, I realized that the reason the failures
reproduced when running the entire {{-Dtestcase}} but not the individual
{{-Dtests.method}} was because TestInjection was behaving differently in those
cases.
This is because TestInjection uses a static Random instance -- allthough it is
initialized based on the {{tests.seed}} sysprop to _try_ to be reproducible,
it's behavior still very much depends on how many testcases are run in that
slave JVM, and/or how many test methods are run.
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