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JRE 1.5 v JRE SE 1.6 [message #715298]

Sat, 13 August 2011 07:13

a4375

Messages: 2
Registered: August 2011

Junior Member

Hi,
Having a problem changeing the JRE eclipse is using from 1.5 to 1.6 I am very new to java development and eclipse and am not sure if I am meant to uninstall 1.5 first or maybe uninstall eclipse? Could someone please help me through the steps required for this?

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Re: JRE 1.5 v JRE SE 1.6 [message #715735 is a reply to message #715298]

Mon, 15 August 2011 10:51

Dani Megert

Messages: 3802
Registered: July 2009

Senior Member

On 13.08.2011 09:13, a4375 wrote:
> Hi,
> Having a problem changeing the JRE eclipse is using from 1.5 to 1.6 I
> am very new to java development and eclipse and am not sure if I am
> meant to uninstall 1.5 first or maybe uninstall eclipse? Could someone
> please help me through the steps required for this?

You can simply add the JRE via Preferences > Java > Installed JREs. If
you have existing Java projects you might have to change the JRE on
their build path via the 'Java Build Path' project property page.

Dani

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Re: JRE 1.5 v JRE SE 1.6 [message #716564 is a reply to message #715735]

Wed, 17 August 2011 17:17

Eric Rizzo

Messages: 3070
Registered: July 2009

Senior Member

On 8/15/11 6:51 AM, Daniel Megert wrote:
> On 13.08.2011 09:13, a4375 wrote:
>> Hi,
>> Having a problem changeing the JRE eclipse is using from 1.5 to 1.6 I
>> am very new to java development and eclipse and am not sure if I am
>> meant to uninstall 1.5 first or maybe uninstall eclipse? Could someone
>> please help me through the steps required for this?
>
> You can simply add the JRE via Preferences > Java > Installed JREs. If
> you have existing Java projects you might have to change the JRE on
> their build path via the 'Java Build Path' project property page.

That will apply to running applications from within Eclipse, but f
you're talking about the JVM that is used to actually run Eclipse
itself, you need to install the new JRE (a JDK is recommended) and then
edit your eclipse.ini file to use it. Read this for the details:
http://wiki.eclipse.org/Eclipse.ini

Eric

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Re: JRE 1.5 v JRE SE 1.6 [message #716638 is a reply to message #715735]

Wed, 17 August 2011 23:42

a4375

Messages: 2
Registered: August 2011

Junior Member

Thankyou I was able to fix this problem with your help for future reference:
Run->Run Configurations->JRE(Tab)->Environments->Installed Environments
Will show you the wizard required to add a new JRE. With the exception of the problem above.

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