RFR: 8282395: URL.openConnection can throw IOOBE [v3]

[Daniel Fuchs]

On Thu, 29 Sep 2022 09:55:17 GMT, KIRIYAMA Takuya <duke at openjdk.org> wrote:

>> src/java.base/share/classes/sun/net/www/protocol/ftp/Handler.java line 66:
>> 
>>> 64:             connection = new FtpURLConnection(u, p);
>>> 65:         } catch (IllegalArgumentException e) {
>>> 66:             throw new MalformedURLException(e.getMessage());
>> 
>> I'd suggest keeping the IllegalArgumentException as the root cause of the MUE for better diagnosability. Otherwise LGTM.
>
> The constructor "MalformedURLException (Throwable cause)" doens'nt exist. Isn't there any other method?

You can use `Throwable::initCause`

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PR: https://git.openjdk.org/jdk/pull/8155