sun jdk vs java-1.6.0-openjdk
Erik P. Olsen
epodata at gmail.com
Mon Jul 26 11:36:57 UTC 2010
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
>>> 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
> 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?
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