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Re: Java compatibility
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Re: Java compatibility


  • Subject: Re: Java compatibility
  • From: Chuck Hill <email@hidden>
  • Date: Mon, 01 Oct 2018 04:09:00 +0000
  • Thread-topic: Java compatibility

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=email@hidden on behalf of
email@hidden> 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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References: 
 >Java compatibility (From: "ocs@ocs" <email@hidden>)

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