Ok, I figured it out. I had a misconfiguration on my box that caused the JAVA_HOME variable to point to an old Java version (JRE 1.5). I corrected the path and now it works.
On Sunday, November 11, 2012 2:24:07 PM UTC-6, Nobu Games wrote: > > Since I need to implement release / debug dependent code changes I was > thinking that using Ant would be a good idea. Knowing zilch about it so far > I looked up how-tos and docs. > > - I installed ant (version 1.8.2) > - I added the SDK paths platform-tools and tools to the global PATHvariable > - I prepared my Android app project with android update project -p > /path/to/project > - I do not have any space characters in any of my development related > file system paths (causes Ant to break) > > However, as soon as I try to build with ant debug or ant release or ant > clean I get the following error message: > > Buildfile: /home/tw/Development/Android/workspace/ApiDemos/build.xml > > BUILD FAILED > /home/tw/Development/Android/workspace/ApiDemos/build.xml:91: The > following error occurred while executing this line: > /home/tw/Development/Android/SDK/tools/ant/build.xml:90:* taskdef A class > needed by class com.android.ant.SignApkTask cannot be found: > com.android.ant.SignApkTask* > using the classloader > AntClassLoader[/home/tw/Development/Android/SDK/tools/lib/anttasks.jar:/home/tw/Development/Android/SDK/tools/lib/common.jar:/home/tw/Development/Android/SDK/tools/lib/sdklib.jar:/home/tw/Development/Android/SDK/tools/lib/androidprefs.jar:/home/tw/Development/Android/SDK/tools/lib/mkidentity.jar:/home/tw/Development/Android/SDK/tools/lib/commons-compress-1.0.jar:/home/tw/Development/Android/SDK/tools/lib/httpclient-4.1.1.jar:/home/tw/Development/Android/SDK/tools/lib/httpcore-4.1.jar:/home/tw/Development/Android/SDK/tools/lib/httpmime-4.1.1.jar:/home/tw/Development/Android/SDK/tools/lib/commons-logging-1.1.1.jar:/home/tw/Development/Android/SDK/tools/lib/commons-codec-1.4.jar:/home/tw/Development/Android/SDK/tools/lib/manifmerger.jar] > > Total time: 1 second > > Wow. The class *SignApkTask* cannot find itself. Really clever. > > As you can see in the output above I also tried building a fresh ApiDemos > project with Ant. > > - I could not find any information related to that particular error > message above. > - The file SDK/tools/lib/anttasks.jar *does* contain a class named > com.android.ant.SignApkTask > - I re-downloaded the latest SDK, installed everything, same error > - I tried the Ant version that comes bundled with Eclipse, same error > > So how do I fix this problem? > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
