[jira] [Created] (HTTPCORE-510) Avoid an {{ArithmeticException}} in AbstractMultiworkerIOReactor by failing earlier by checking ioThreadCount in IOReactorConfig constructor.

["Gary Gregory (JIRA)" <ji...@apache.org>]

Gary Gregory created HTTPCORE-510:
-------------------------------------

             Summary: Avoid an {{ArithmeticException}} in AbstractMultiworkerIOReactor by failing earlier by checking ioThreadCount in IOReactorConfig constructor.
                 Key: HTTPCORE-510
                 URL: https://issues.apache.org/jira/browse/HTTPCORE-510
             Project: HttpComponents HttpCore
          Issue Type: Improvement
            Reporter: Gary Gregory
            Assignee: Gary Gregory


Avoid an {{ArithmeticException}} in {{AbstractMultiworkerIOReactor}} by failing eariler by checking {{ioThreadCount}} in {{IOReactorConfig}} constructor.

If you build an {{IOReactorConfig}} with an {{ioThreadCount}} equal to 0, you will get the exception below. This can be avoided by failing earlier in the {{IOReactorConfig}} constructor.

{noformat}
java.lang.ArithmeticException: / by zero
	at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.addChannel(AbstractMultiworkerIOReactor.java:473) ~[httpcore-nio-4.4.9.jar:4.4.9]
	at org.apache.http.impl.nio.reactor.DefaultListeningIOReactor.processEvent(DefaultListeningIOReactor.java:189) ~[httpcore-nio-4.4.9.jar:4.4.9]
	at org.apache.http.impl.nio.reactor.DefaultListeningIOReactor.processEvents(DefaultListeningIOReactor.java:151) ~[httpcore-nio-4.4.9.jar:4.4.9]
	at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.execute(AbstractMultiworkerIOReactor.java:348) ~[httpcore-nio-4.4.9.jar:4.4.9]
{noformat}




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