Android: “Conversion to Dalvik format failed with error 1” on signed export

In our case, the problem seems related to our way of working: Eclipse workspaces stored locally and projects stored in the cloud. Somehow the housekeeping of external jars gets messed with (error 1, duplicate symbols). There is a simple and effective workaround for this.

  • In general, make sure you include all jars in the libs folder of your project.


  • When the export fails move all jar libraries to a directory outside the project, so that the libs folder will be empty.
  • Clean the project.
  • Move all jars back to libs.
  • Export the project.