Error in uploading aggregate to AppEngine

Rubee_Dev · August 9, 2016, 7:45pm

Hi,

I am having an issue with uploading aggregate to AppEngine.app, which occurs after completing the ODK aggregate setup wizard. The error that I have been receiving is as follows:
Exception in thread "main"
java.lang.UnsupportedClassVersionError: org/opendatakit/appengine/updater/UpdaterWindow : Unsupported major.minor version 51.0

What will be the solution for this issue? I look forward for your help.

Thanks,
Rubee

Mitch_S · August 9, 2016, 8:19pm

This indicates that the Java version on your system is older than the Java
7 required by ODK Aggregate's installer.

Review the step on installing Java:

From a command window, you can tell what version of java you are using by
running

java -version

which, on my system gives:

java version "1.7.0_80"
Java(TM) SE Runtime Environment (build 1.7.0_80-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)

The "1.7..." indicates that it is Java 7. "1.8..." would be Java 8. Either
of those allow the installer to work.

I think Windows and Mac systems ship with Java 6.

···

On Tue, Aug 9, 2016 at 12:45 PM, wrote:

Hi,

I am having an issue with uploading aggregate to AppEngine.app, which
occurs after completing the ODK aggregate setup wizard. The error that I
have been receiving is as follows:
Exception in thread "main"
java.lang.UnsupportedClassVersionError: org/opendatakit/appengine/updater/UpdaterWindow
: Unsupported major.minor version 51.0

What will be the solution for this issue? I look forward for your help.

Thanks,
Rubee

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Rubee_Dev · August 16, 2016, 10:12pm

Hi,

I had recently updated my Java version and checked again it on my system,
which indicates as Version 8. So I am not sure if this is still a version
issue. I had updated Java following the given guidelines, however still not
able to upload ODK aggregate to AppEngine.

Thanks,
Rubee

···

On Tue, Aug 9, 2016 at 1:19 PM, Mitch Sundt wrote:

This indicates that the Java version on your system is older than the Java
7 required by ODK Aggregate's installer.

Review the step on installing Java: https://opendatakit.org/use/
aggregate/#Installing_an_App_Engine_Instance

From a command window, you can tell what version of java you are using by
running

java -version

which, on my system gives:

java version "1.7.0_80"
Java(TM) SE Runtime Environment (build 1.7.0_80-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)

The "1.7..." indicates that it is Java 7. "1.8..." would be Java 8. Either
of those allow the installer to work.

I think Windows and Mac systems ship with Java 6.

On Tue, Aug 9, 2016 at 12:45 PM, rubee.dev@gmail.com wrote:

Hi,

I am having an issue with uploading aggregate to AppEngine.app, which
occurs after completing the ODK aggregate setup wizard. The error that I
have been receiving is as follows:
Exception in thread "main"
java.lang.UnsupportedClassVersionError: org/opendatakit/appengine/updater/UpdaterWindow
: Unsupported major.minor version 51.0

What will be the solution for this issue? I look forward for your help.

Thanks,
Rubee

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University of Washington
mitchellsundt@gmail.com

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Mitch_S · August 17, 2016, 12:43am

If you open a Terminal window (Mac OSX) or cmd window (Windows) and type:

java -version

What does it show?

···

On Tue, Aug 16, 2016 at 3:12 PM, Rubee Dev wrote:

Hi,

I had recently updated my Java version and checked again it on my system,
which indicates as Version 8. So I am not sure if this is still a version
issue. I had updated Java following the given guidelines, however still not
able to upload ODK aggregate to AppEngine.

Thanks,
Rubee

On Tue, Aug 9, 2016 at 1:19 PM, Mitch Sundt mitchellsundt@gmail.com wrote:

This indicates that the Java version on your system is older than the
Java 7 required by ODK Aggregate's installer.

Review the step on installing Java: https://opendatakit.org/use/ag
gregate/#Installing_an_App_Engine_Instance

From a command window, you can tell what version of java you are using by
running

java -version

which, on my system gives:

java version "1.7.0_80"
Java(TM) SE Runtime Environment (build 1.7.0_80-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)

The "1.7..." indicates that it is Java 7. "1.8..." would be Java 8.
Either of those allow the installer to work.

I think Windows and Mac systems ship with Java 6.

On Tue, Aug 9, 2016 at 12:45 PM, rubee.dev@gmail.com wrote:

Hi,

I am having an issue with uploading aggregate to AppEngine.app, which
occurs after completing the ODK aggregate setup wizard. The error that I
have been receiving is as follows:
Exception in thread "main"
java.lang.UnsupportedClassVersionError: org/opendatakit/appengine/updater/UpdaterWindow
: Unsupported major.minor version 51.0

What will be the solution for this issue? I look forward for your help.

Thanks,
Rubee

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University of Washington
mitchellsundt@gmail.com

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Rubee_Dev · August 18, 2016, 6:48pm

Hi,

It shows: java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode)

It seems my updated java version was not installed. I will try
re-installing it and see if it works.

Thank you so much.
Rubee

···

On Tue, Aug 16, 2016 at 5:43 PM, Mitch Sundt wrote:

If you open a Terminal window (Mac OSX) or cmd window (Windows) and type:

java -version

What does it show?

On Tue, Aug 16, 2016 at 3:12 PM, Rubee Dev rubee.dev@gmail.com wrote:

Hi,

I had recently updated my Java version and checked again it on my system,
which indicates as Version 8. So I am not sure if this is still a version
issue. I had updated Java following the given guidelines, however still not
able to upload ODK aggregate to AppEngine.

Thanks,
Rubee

On Tue, Aug 9, 2016 at 1:19 PM, Mitch Sundt mitchellsundt@gmail.com wrote:

This indicates that the Java version on your system is older than the
Java 7 required by ODK Aggregate's installer.

Review the step on installing Java: https://opendatakit.org/use/ag
gregate/#Installing_an_App_Engine_Instance

From a command window, you can tell what version of java you are using
by running

java -version

which, on my system gives:

java version "1.7.0_80"
Java(TM) SE Runtime Environment (build 1.7.0_80-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)

The "1.7..." indicates that it is Java 7. "1.8..." would be Java 8.
Either of those allow the installer to work.

I think Windows and Mac systems ship with Java 6.

On Tue, Aug 9, 2016 at 12:45 PM, rubee.dev@gmail.com wrote:

Hi,

I am having an issue with uploading aggregate to AppEngine.app, which
occurs after completing the ODK aggregate setup wizard. The error that I
have been receiving is as follows:
Exception in thread "main"
java.lang.UnsupportedClassVersionError: org/opendatakit/appengine/updater/UpdaterWindow
: Unsupported major.minor version 51.0

What will be the solution for this issue? I look forward for your help.

Thanks,
Rubee

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University of Washington
mitchellsundt@gmail.com

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