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Posted to dev@mina.apache.org by "Jonathan Valliere (JIRA)" <ji...@apache.org> on 2018/11/13 16:03:01 UTC
[jira] [Updated] (DIRMINA-1088) OrderedThreadPool implementation
should be compatible with Java 10
[ https://issues.apache.org/jira/browse/DIRMINA-1088?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Valliere updated DIRMINA-1088:
---------------------------------------
Fix Version/s: 2.0.20
> OrderedThreadPool implementation should be compatible with Java 10
> ------------------------------------------------------------------
>
> Key: DIRMINA-1088
> URL: https://issues.apache.org/jira/browse/DIRMINA-1088
> Project: MINA
> Issue Type: Bug
> Components: Core
> Reporter: Guus der Kinderen
> Priority: Major
> Fix For: 2.0.20
>
> Attachments: orderedthreadpool.patch
>
>
> {{org.apache.mina.filter.executor.OrderedThreadPoolExecutor}} inherits from {{java.util.concurrent.ThreadPoolExecutor}}
> OrderedThreadPoolExecutor, in its constructor, calls these two methods from its parent to determine pool sizing:
> {code:java}
> super.setCorePoolSize(corePoolSize);
> super.setMaximumPoolSize(maximumPoolSize);{code}
> This works fine up until Java 8. In Java 10 (possibly 9 - I did not check), an additional input validation was added to {{ThreadPoolExecutor#setCorePoolSize}}: {{maximumPoolSize < corePoolSize}}
> ThreadPoolExecutor Java 8:
> {code:java}
> public void setCorePoolSize(int corePoolSize) {
> if (corePoolSize < 0)
> throw new IllegalArgumentException();
> public void setMaximumPoolSize(int maximumPoolSize) {
> if (maximumPoolSize <= 0 || maximumPoolSize < corePoolSize)
> throw new IllegalArgumentException();
> {code}
> ThreadPoolExecutor Java 10:
> {code:java}
> public void setCorePoolSize(int corePoolSize) {
> if (corePoolSize < 0 || maximumPoolSize < corePoolSize)
> throw new IllegalArgumentException();
> public void setMaximumPoolSize(int maximumPoolSize) {
> if (maximumPoolSize <= 0 || maximumPoolSize < corePoolSize)
> throw new IllegalArgumentException();
> {code}
> As a result, the first line of this part of the constructor of OrderedThreadPoolExecutor now throws an IllegalArgumentException.
> {code:java}
> super.setCorePoolSize(corePoolSize);
> super.setMaximumPoolSize(maximumPoolSize);{code}
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