Re: Java Error on startup of App
Re: Java Error on startup of App
- Subject: Re: Java Error on startup of App
- From: Patrick Middleton <email@hidden>
- Date: Tue, 30 May 2006 12:14:38 +0100
On 30 May 2006, at 11:43, Gino Pacitti wrote:
Hi All
I have been running an app on Tiger server + latest Webobjects run
environment and recently updated development to the latest XCode 2.3
Now I have tried to build an existing running app and when I try to
start it I get a error - this runs on the client but problem is
when I upload to the server:
java.lang.UnsupportedClassVersionError: Application (Unsupported
major.minor version 49.0)
Any ideas what this could be?
Gino
The JVM on the target machine has encountered a classfile in JDK 1.5
format. This most likely means you built using the JDK 1.5 compiler,
which became the default after a recent software update, and the
machine on which you are trying to deploy is still using the 1.4.2
JRE. Since WebObjects has not (yet?) been qualified for Java 5, you
are best off rebuilding using JDK 1.4*, see also http://
docs.info.apple.com/article.html?artnum=75505 , as per Cliff Tuel's
email "Re: Java 1.5 & WO?' of Tue, 25 Apr 2006 16:07:21 -0700 (PDT).
-- Patrick
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