Did you install the libreoffice-java-common package, as that page suggests?
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to libreoffice in Ubuntu. https://bugs.launchpad.net/bugs/1213130 Title: libreoffice writer extension manager failed on installing "Language Tool" extension with java exception Status in “libreoffice” package in Ubuntu: New Bug description: The libreoffice writer(4.0.2) extension manager failed with a java exception on installing the grammatic checker extension "Language Tool" version 2.2, which is available from: http://extensions.libreoffice.org/extension-center/languagetool Steps to reproduce(tested two times): 1.Download "Language Tool" 2.2 from the URL given above. 2.Start libreoffice writer 2.Use menu -> Extras -> Extension manager... > Add extension 3.Choose the Language Toll 2.2 .oxt 4.Try to install it and see the exception text in a pop up Additional: A scrennshot will be added. Additional2: The openjdk7u25 is as default installed. Additional3: The only other additional extension is "Lightproof grammer checker 0.4.2 (english)" which was installed from the official ubuntu repositories through software center. The exception text itself: (com.sun.star.uno.RuntimeException) { { Message = "[jni_uno bridge error] UNO calling Java method writeRegistryInfo: non-UNO exception occurred: java.lang.NoClassDefFoundError: com/sun/star/task/XJobExecutor\X000ajava stack trace:\X000ajava.lang.NoClassDefFoundError: com/sun/star/task/XJobExecutor\X000a\X0009at java.lang.ClassLoader.defineClass1(Native Method)\X000a\X0009at java.lang.ClassLoader.defineClass(ClassLoader.java:788)\X000a\X0009at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)\X000a\X0009at java.net.URLClassLoader.defineClass(URLClassLoader.java:447)\X000a\X0009at java.net.URLClassLoader.access$100(URLClassLoader.java:71)\X000a\X0009at java.net.URLClassLoader$1.run(URLClassLoader.java:361)\X000a\X0009at java.net.URLClassLoader$1.run(URLClassLoader.java:355)\X000a\X0009at java.security.AccessController.doPrivileged(Native Method)\X000a\X0009at java.net.URLClassLoader.findClass(URLClassLoader.java:354)\X000a\X0009at java.lang.ClassLoader.loadClass(ClassLoader.java:424)\X000a\X0009at java.lang.ClassLoader.loadClass(ClassLoader.java:411)\X000a\X0009at java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:787)\X000a\X0009at java.lang.ClassLoader.loadClass(ClassLoader.java:357)\X000a\X0009at com.sun.star.comp.loader.RegistrationClassFinder.find(RegistrationClassFinder.java:55)\X000a\X0009at com.sun.star.comp.loader.JavaLoader.writeRegistryInfo(JavaLoader.java:399)\X000aCaused by: java.lang.ClassNotFoundException: com.sun.star.task.XJobExecutor\X000a\X0009at java.net.URLClassLoader$1.run(URLClassLoader.java:366)\X000a\X0009at java.net.URLClassLoader$1.run(URLClassLoader.java:355)\X000a\X0009at java.security.AccessController.doPrivileged(Native Method)\X000a\X0009at java.net.URLClassLoader.findClass(URLClassLoader.java:354)\X000a\X0009at java.lang.ClassLoader.loadClass(ClassLoader.java:424)\X000a\X0009at java.lang.ClassLoader.loadClass(ClassLoader.java:357)\X000a\X0009... 15 more\X000a", Context = (com.sun.star.uno.XInterface) @0 } } ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: libreoffice-core 1:4.0.2-0ubuntu1 ProcVersionSignature: Ubuntu 3.8.0-28.41-generic 3.8.13.5 Uname: Linux 3.8.0-28-generic x86_64 NonfreeKernelModules: fglrx ApportVersion: 2.9.2-0ubuntu8.3 Architecture: amd64 Date: Fri Aug 16 16:40:16 2013 ExecutablePath: /usr/lib/libreoffice/program/soffice.bin InstallationDate: Installed on 2013-01-13 (215 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5) MarkForUpload: True SourcePackage: libreoffice UpgradeStatus: Upgraded to raring on 2013-04-18 (119 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1213130/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp