I suspect this is my fault. If you install JDK 1.7, and build with that,
you will probably not have this issue.
I wish my google searches would explain which Java version '51.0'
corresponds to.
There are a few libraries that I built, and I've been using 1.7, so they
probably were written in the 1.7 output format, rather than 1.6, and
therefore require 1.7 to process.
Mitch
···
On Tue, Feb 19, 2013 at 6:08 AM, wrote:I'm working on compiling ODK Aggregate from source. I'm following the
instructions here
http://code.google.com/p/opendatakit/wiki/AggregateEclipseProjectSetup,
using the standard GAE setup with GWT.On the last step, configure.txt tells me to compile eclipse-aggregate-gae
with GWT Compile. But I'm getting the "unsupported major.minor" error.
Supposedly it's an JDK/JRE incompatibility error. But I've made sure
everything is pointing to 1.6. I've uninstalled JDK and JRE 1.7 on my
machine. But I'm still getting this error. Is there anything else that
could be causing this?Is there any files, jars, etc. in the original source that may be causing
this?Loading inherited module 'org.opendatakit.aggregate.AggregateUI'
Loading inherited module 'com.google.gwt.maps.Maps'
Loading inherited module 'com.google.gwt.jsio.JSIO'
[ERROR] Unexpected error while processing XML
java.lang.UnsupportedClassVersionError:
com/google/gwt/jsio/rebind/JSWrapperGenerator : Unsupported major.minor
version 51.0--
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Mitch Sundt
Software Engineer
University of Washington
mitchellsundt@gmail.com