Wednesday, May 6, 2009

Conversion to Dalvik format failed with error 1

I started google android development today, after downloading SDK and loading it into eclipse just like how google guide “hello android” has listed.

“no classfiles specified“
“Conversion to Dalvik format failed with error 1“
pops up as I try to run it for the very first time.

How you fix it is
Go to Project -> Clean and it should solve the problem.

Good luck on your “Hello Android Application”

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9 comments:

  1. UnknownDecember 17, 2009 at 12:37 AM

    Cheers mate! That's what i was looking for after installing android 2.0.

    ReplyDelete
  2. White StripeMarch 18, 2010 at 6:49 AM

    Thanks, it helped me too

    ReplyDelete
  3. jkworthApril 8, 2010 at 7:20 AM

    Thanks, this also helped me out after migrating to a new project.

    ReplyDelete
  4. Kris NelsonApril 19, 2010 at 10:25 PM

    +1 with jkworth.

    Big help, thanks.

    ReplyDelete
  5. UnknownAugust 30, 2010 at 12:36 AM

    Thanks, that should have been obvious

    ReplyDelete
  6. ankitJune 7, 2011 at 10:42 PM

    Hi friends
    I have clean project but the same error arise in the Android project. Please give me solution.

    Thanks to all

    ReplyDelete
  7. bhavanaJuly 19, 2011 at 10:34 PM

    ankit:jst uncheck "build automatic" option den remove "R.java" file den "build the project".

    ReplyDelete
  8. bb-tahiraJuly 31, 2011 at 1:11 PM

    Conversion to Dalvik format failed: Unable to execute dex: wrapper was not properly loaded first

    i was getting this error and try clean and

    uncheck "build automatic" option den remove "R.java" file den "build the project".

    can you tell me how it would solve. ?

    ReplyDelete
  9. UnknownOctober 7, 2011 at 2:52 PM

    another cause can be that you have same jar added twice to the project.

    ReplyDelete

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