Android Error: Conversion to Dalvik format failed with error 1

Android Project Export Error : Conversion to Dalvik format failed with error 1 

* 해결책 01 : 

Confirmed the problem is caused by ProGuard command line in the file
[Android SDK Installation Directory]\tools\proguard\bin\proguard.bat

Edit the following line will solve the problem:

Edit the following line will solve the problem:

call %java_exe% -jar "%PROGUARD_HOME%"\lib\proguard.jar %*

to

call %java_exe% -jar "%PROGUARD_HOME%"\lib\proguard.jar %1 %2 %3 %4 %5 %6 %7 %8 %9

* 해결책 02 : 

You can solve this issue easily (with Eclipse Android Developer Tools, Build: v22.0.1-685705)
by turn off 
Eclipse > Menu > "Project" > "Build Automatically" 
while exporting (un)signed Android application. After that, don't forget to turn it on again.