Jesper Öqvist created LANG-1091:
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             Summary: Shutdown thread pools in test cases
                 Key: LANG-1091
                 URL: https://issues.apache.org/jira/browse/LANG-1091
             Project: Commons Lang
          Issue Type: Improvement
          Components: lang.builder.*, lang.concurrent.*
    Affects Versions: 4.0
         Environment: Linux, JDK 7
            Reporter: Jesper Öqvist


The tests, in for example 
org.apache.commons.lang3.builder.ToStringStyleConcurrencyTest, create thread 
pools which are not shut down properly, leading to idle worker threads that can 
prevent the JVM from shutting down properly.

Suggested fix: shutdown() on the thread pool where a call to shutdown or 
shutdownNow is missing.

Affected classes (these were the ones I could find easily, I may have missed 
some):

* org.apache.commons.lang3.builder.ReflectionToStringStyleConcurrencyTest
* org.apache.commons.lang3.builder.ToStringStyleConcurrencyTest
* org.apache.commons.lang3.concurrent.CallableBackgroundInitializerTest




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