I don't recall what the source level backwards compatibility is. But that
message means you are trying to use .class files compiled for Java 8 on an
earlier JVM (1.6 clearly). You will need to either upgrade the server or
re-compile from source targeting 1.6.
Chuck
P.S. Java 1.6?!!?
On 2018-09-30, 8:59 PM, "Webobjects-dev on behalf of ocs@ocs"
<webobjects-dev-bounces+chill=gevityinc....@lists.apple.com on behalf of
o...@ocs.cz> wrote:
Hi there,
is is possible that WOnder 7 is not compatible with Java 6? Whatever I try,
I can't find any description on the Web; what I am getting though is an error
===
Exception in thread "main" java.lang.UnsupportedClassVersionError:
er/extensions/appserver/ERXApplication : Unsupported major.minor version 52.0
===
on a client's server, where there is
===
53 # java -version
java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-10M4609)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode)
54 #
===
On all my machines, where happen to be Javas 8-10, the application runs all
right.
Thanks for any insight,
OC
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