Android SDK's dx Tool errors

dx is an Android SDK platform tool that transforms Java bytecode (and JARs) into Dalvik VM 'DEX' code.

http://developer.android.com/guide/developing/tools/index.html
Solution coverage:
Summary coverage:

DescriptionException TypeEntry MethodWeb pages

Main.main() has thrown a RuntimeException

java.lang.RuntimeException
8 frames hidden
com.android.dx.command.Main.main
15Web pages
RuntimeExceptionMain.main15

Main.main() has thrown a RuntimeException

java.lang.RuntimeException
7 frames hidden
com.android.dx.command.Main.main
7Web pages
RuntimeExceptionMain.main7
Package namePatterns foundSolution coverageSummary coverage
com.android.dx.command.dexer92
com.android.dx.command60
com.android.dx.cf.direct43
com.android.dx.merge16
com.android.dx.cf.code5
com.android.dx.util4
com.android.dx.rop.code3
com.android.dx.cf.cst3
com.android.dx.ssa3
com.android.dx.dex.cf3
com.android.dx.dex.file3
com.android.dx.rop.type2
com.android.dx.io2
com.android.dx.rop.cst2
com.android.dx.ssa.back1
junit.framework1
Package nameClass namePatterns foundSolution coverageSummary coverage
com.android.dx.commandMain60
Package nameClass nameMethod namePatterns foundSolution coverage
com.android.dx.commandMainmain60
Package nameClass nameMethod nameException TypePatterns foundSolution coverage
com.android.dx.commandMainmainIllegalArgumentException10
com.android.dx.commandMainmainRuntimeException10
com.android.dx.commandMainmainParseException8
com.android.dx.commandMainmainFileNotFoundException6
com.android.dx.commandMainmainOutOfMemoryError6
com.android.dx.commandMainmainDexException5
com.android.dx.commandMainmainZipException4
com.android.dx.commandMainmainDexIndexOverflowException3
com.android.dx.commandMainmainDexException2
com.android.dx.commandMainmainSimException2
com.android.dx.commandMainmainLoggedErrorException2
com.android.dx.commandMainmainBufferOverflowException1
com.android.dx.commandMainmainNullPointerException1