Re: sun jdk vs java-1.6.0-openjdk

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  Am 26.07.2010 13:36, schrieb Erik P. Olsen:
> On 26/07/10 12:33, Joerg Bergmann wrote:
>>     Am 26.07.2010 11:41, schrieb Andrew Haley:
>>> On 07/25/2010 05:43 AM, Bob Hartung wrote:
>>>
>>>>       I have loaded Fedora13 without a hitch and am impressed by the
>>>> improvements!
>>>>
>>>>       However, I am just now beginning Java programming and I am wondering
>>>> if there is any substantial difference between java-1.6.0-openjdk and
>>>> the sun jdk.
>>> They are based on the same source code and both conform to the same
>>> language specification.  For almost all purposes you won't see any
>>> difference.
>>>
>> I cannot confirm that. In real live, with Java apps not developed
>> for OpenJava, 50% of the "large" applets as developed using Sun
>> JDK fail with OpenJava. A simple example: The german tax office
>> has an online tax system called "Elster". There is an applet
>> for secure communication with Elster using public/private
>> keys, this applet fails using OpenJava. Another example is related
>> to javax.imageio, output of images to files simply does not work
>> in OpenJava. Installation of Sun Java is one of the first modifications
>> I do to Fedora. Unfortunately, on every update of OpenJava, OpenJava
>> would become the default Java again.
>>
>> M$ has given the freedom of selecting between IE, Firefox, Opera etc.
>> It would be a good act of freedom to give the fedora user the choice
>> between OpenJava and SunJava. At now, half the Fedora System depends
>> on OpenJava (same story as of Windows depends on IE), for that reason
>> I cannot deselect OpenJava.
> I have completely removed java-1.6.0-openjdk before installing Sun's java and
> have not noticed any problem with that. Do you have an example of an application
> that won't work unless openjdk is also installed?
I just tried to uninstall OpenJava (plus GJC java), obviously the whole
OpenOffice depends on OpenJava. No way out.

Joerg
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