[jira] [Created] (HTTPCLIENT-1324) CachingHttpClientBuilder.build() fails when asynchronousWorkersMax=0

["Francois-Xavier Bonnet (JIRA)" <ji...@apache.org>]

Francois-Xavier Bonnet created HTTPCLIENT-1324:
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             Summary: CachingHttpClientBuilder.build() fails when asynchronousWorkersMax=0
                 Key: HTTPCLIENT-1324
                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1324
             Project: HttpComponents HttpClient
          Issue Type: Bug
          Components: Cache
    Affects Versions: 4.3 Alpha1
            Reporter: Francois-Xavier Bonnet
            Priority: Minor


The following code throws an Exception:
CacheConfig cacheConfig = CacheConfig.custom().setAsynchronousWorkersMax(0).build();
CachingHttpClientBuilder.create().setCacheConfig(cacheConfig).build();

java.lang.IllegalArgumentException
	at java.util.concurrent.ThreadPoolExecutor.<init>(ThreadPoolExecutor.java:826)
	at java.util.concurrent.ThreadPoolExecutor.<init>(ThreadPoolExecutor.java:717)
	at org.apache.http.impl.client.cache.AsynchronousValidator.<init>(AsynchronousValidator.java:74)
	at org.apache.http.impl.client.cache.CachingHttpClientBuilder.createAsynchronousRevalidator(CachingHttpClientBuilder.java:106)
	at org.apache.http.impl.client.cache.CachingHttpClientBuilder.decorateMainExec(CachingHttpClientBuilder.java:100)
	at org.apache.http.impl.client.HttpClientBuilder.build(HttpClientBuilder.java:528)

According to the javadoc of method org.apache.http.impl.client.cache.CacheConfig.Builder.setAsynchronousWorkersMax(int) "a value of 0 disables background revalidations"

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