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https://issues.apache.org/jira/browse/HAMA-966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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JongYoon Lim updated HAMA-966:
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Attachment: HAMA-966.patch
> NioServerListener doesn't throw any exceptions.
> -----------------------------------------------
>
> Key: HAMA-966
> URL: https://issues.apache.org/jira/browse/HAMA-966
> Project: Hama
> Issue Type: Bug
> Components: bsp core
> Affects Versions: 0.7.0
> Reporter: JongYoon Lim
> Priority: Minor
> Attachments: HAMA-966.patch
>
>
> *NioServerListener* which extends *Thread* can't throw any exceptions because
> it swallows them in *run()* as follows.
> {code:java}
> try {
> // code for server bootstraping and binding
> } catch (Exception e) {
> e.printStackTrace();
> }
> {code}
> This results in that *startServer()* can't catch *BindException* and retry to
> start the server recursively. There can be two options.
> * Option 1. Use *Thread.UncaughtExceptionHandler*.
> * Option 2. Make *NioServerListener* extend *Callable* and use *get()* of
> *Future* to catch exceptions.
> I think *Option 2* looks better because the code could be more intuitive.
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