Re: How to target older ava
Re: How to target older ava
- Subject: Re: How to target older ava
- From: Maik Musall <email@hidden>
- Date: Tue, 02 Oct 2012 22:36:07 +0200
Hi,
forget my reply to your original mail - I didn't see that you used the -target 1.4 switch and misunderstood that you wanted to actually run Java 6 class files on 1.4.
Maik
Am 02.10.2012 um 22:29 schrieb doug andrews <email@hidden>:
> Never mind. I've got it figured out. I had some Wonder stuff in there, which I don't think is compatible with java 1.4.
>
>
>
> On Oct 2, 2012, at 3:23 PM, doug andrews wrote:
>
>> Is it possible to deploy an application compiled with java 6 on a machine running java 1.4?
>> I have both Java 6 and 4 on my machine.
>> I have a test application created using the Eclipse ant build while running java 6.
>> I force the app to use java 1.4 when deployed by modifying the MacOS class path file:
>>
>> # JVM == /System/Library/Frameworks/JavaVM.framework/Versions/1.4.2_22/Commands/java
>>
>> When I run, I get this error:
>> java.lang.UnsupportedClassVersionError: com/webobjects/appserver/WOApplication (Unsupported major.minor version 49.0)
>>
>> My java 6 version is:
>> java version "1.6.0_29"
>> Java(TM) SE Runtime Environment (build 1.6.0_29-b11-402-11E53)
>> Java HotSpot(TM) 64-Bit Server VM (build 20.4-b02-402, mixed mode)
>>
>> My java 4 version is:
>> java version "1.4.2_22"
>> Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_22-b02-329)
>> Java HotSpot(TM) Client VM (build 1.4.2-92, mixed mode)
>>
>> I've tried modifying the build.xml "wocomplile" argument like this:
>> <wocompile srcdir="Sources" target="1.4" source="1.4" destdir="bin" fork="yes" memoryMaximumSize="256m" debug="yes">
>> but this does not seem to work.
>>
>> I'm pretty sure this is possible, but cannot figure out how.
>>
>>
>>
>>
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