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I'm using LibreOffice Writer Version: Build ID:
70feb7d99726f064edab4605a8ab840c50ec57a under 64 bit Ubuntu 12.04 LTS.

I received a notification that an update was available for the Language
Tool, so I clicked and, for the first time ever, it actually downloaded
something, but the installation failed with the following message:

Error while installing extension LanguageTool. Open source language checker.
The error message is: [jni_uno bridge error] UNO calling Java method
writeRegistryInfo: non-UNO exception occurred:
java.lang.UnsupportedClassVersionError: org/languagetool/openoffice/Main :
Unsupported major.minor version 51.0
java stack trace:
java.lang.UnsupportedClassVersionError: org/languagetool/openoffice/Main :
Unsupported major.minor version 51.0
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(
        at Method)
        at java.lang.ClassLoader.loadClass(
        at java.lang.ClassLoader.loadClass(
        at java.lang.ClassLoader.loadClass(

The extension will not be installed.

In Options: LibreOffice: Advanced, I show two Java Runtime Environments
(selected): Sun Microsystems 1.6.0_27
(not selected): Oracle Corporation 1.7.0_25

What do I do? I don't want to break anything else that uses Java and
everything else seems to work.

Thanks for any thoughts.

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