7081804: Remove cause field from javax.xml.crypto.NoSuchMechnismException

[Sebastian Sickelmann]

Sorry i linked the wrong webrev for Solution 3.

Am 27.10.2011 16:50, schrieb Sebastian Sickelmann:
> Some time ago (see below) i ask what would be the right solution to 
> refactor
> exception initialization to?
>
> Solution 1: Disallow calls to initCause after creation, if there was an
> exception-cause-functionality in this class before it was introduced 
> to Throwable.
> Solution 2: Disallow calls to initCause after creation with in ctor 
> which has a cause parameter.
> Solution 3: Disallow calls to initCause after creation, if and only if 
> there are ctors
> that allows us to specify the cause at creation time.
>
>
> If i investigated it right::
>     * Solution 1 is used by in the Exceptions in core-libs.
>     * Exceptions that had no cause-chain prior to 
> Throwable's-cause-chain uses Solution 2.
>     * Personally i found Solution 3 is the most intuitive for the users
>
> javax/xml/security- Exceptions had cause-chaining prio to Throwable 
> introduces them. jx/x/s-Exceptions are actually not refactored to 
> solution 2 like the other exceptions in core-libs that had 
> cause-chaining prior to Throwable.
>
> Before my change-request for jx/x/s-Exceptions i changed some in 
> core-libs (InternalError and VirtualMachineError) to provide 
> exception-chaining. These use Solution 2 like all other exceptions 
> that provided exception-chaining after it where introduced by Throwable.
>
> My personal view of this is that i think it may be valueable to change 
> all to Solution 3 or at least merge all Solutions to one 
> Solution(maybe Solution 2) and get rid of Solution 1.
> I created a webrev[0] for jx/x/s-Exceptions that implements Solution 2 
> (this can be used for all those Exceptions that used Solution 1 too).
> And I created a webrev[1] for jx/x/s-Exceptions that implement 
> Solution 3 for comparision.
>
> [0] 
> http://dl.dropbox.com/u/43692695/oss-patches/openjdk8/NoSuchMechanismException/7011804_4/index.html
>
[1] 
http://dl.dropbox.com/u/43692695/oss-patches/openjdk8/NoSuchMechanismException/7011804_6/index.html
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