Re: Version Problems (I think)

Thanks...That's what I have done.  My problem was that I was  
compiling for 1.5 and they didn't run on the 1.4 virtual machine.  I  
upgraded the JDK on my development environment without thinking  
(which was my problem).

Regards,
Jeff

On 9-May-06, at 10:12 AM, Mike Schrag wrote:

> It's not just risky, it's not possible (100% risk? :) ) ... When  
> you build with a 1.5 target, the class version number increments,  
> and those classes WILL NOT load in a 1.4 VM.  You should change  
> your compiler to target 1.4 until your deployment environment is  
> upgraded.
>
> ms
>
> On May 9, 2006, at 10:04 AM, Kieran Kelleher wrote:
>
>> To increase your chances of success and deployment reliability,  
>> why not code and compile on Java 1.4.2. I think it's pretty risky  
>> business to be deploying Java 1.5 bytecode to a Java 1.4.2 virtual  
>> machine.
>>
>> Regards, Kieran
>>
>> On May 5, 2006, at 11:05 AM, Jeff Dunnett wrote:
>>
>>> Hello everyone,
>>>
>>> I think I am having a versioning problem that is causing my  
>>> application not to work.  I believe it is this issue that is  
>>> causing the application not to start in JavaMonitor.
>>>
>>> The application was compiled written on:
>>>
>>> Mac OS X w\ Xcode 2.1, WebObjects 5.3.1 and Java 1.4.2
>>>
>>> The application was deployed on:
>>> Solaris 9 w\ WebObjects 5.2.4 and Java 1.4.2
>>>
>>> This combination seemed to have worked fine but recently I  
>>> upgraded the software on my Mac OSX to included Java 1.5.0.
>>>
>>> The application is now compiled on:
>>>
>>> Mac OS X w\ Xcode 2.1, WebObjects 5.3.1 and Java 1.5.0
>>>
>>> The application is still deployed on:
>>> Solaris 9 w\ WebObjects 5.2.4 and Java 1.4.2
>>>
>>> The only code I changed was a string in the application.  Now for  
>>> some reason the application just dies when I try to run it  
>>> through Java monitor.  Could this be a versioning issue?  Could  
>>> it be something else?  Is there a solution you helpful folks can  
>>> recommend?
>>>
>>> Regards,
>>> Jeff
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>>
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