I have the exact same issue. I went the exact same route as the
original poster. The "verbose" output of all the Android tools in
Eclipse is not all that verbose it turns out. However, digging up
the .log file in $workspace/.metadata/.log brought this up:
!ENTRY com.android.ide.eclipse.adt 4 0 2010-12-07 01:40:29.576
!MESSAGE Unable to execute dex: null
!STACK 0
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.android.ide.eclipse.adt.internal.build.DexWrapper.run(Unknown
Source)
at
com.android.ide.eclipse.adt.internal.build.BuildHelper.executeDx(Unknown
Source)
at
com.android.ide.eclipse.adt.internal.build.builders.PostCompilerBuilder.build(Unknown
Source)
at org.eclipse.core.internal.events.BuildManager
$2.run(BuildManager.java:629)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at
org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:
172)
at
org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:
203)
at org.eclipse.core.internal.events.BuildManager
$1.run(BuildManager.java:255)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at
org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:
258)
at
org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:
311)
at
org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:
343)
at
org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:
144)
at
org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:
242)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
Caused by: java.lang.NullPointerException
at java.io.File.<init>(Unknown Source)
at
com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:
106)
at com.android.dx.command.dexer.Main.processOne(Main.java:284)
at com.android.dx.command.dexer.Main.processAllFiles(Main.java:220)
at com.android.dx.command.dexer.Main.run(Main.java:176)
... 19 more
Root exception:
java.lang.NullPointerException
at java.io.File.<init>(Unknown Source)
at
com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:
106)
at com.android.dx.command.dexer.Main.processOne(Main.java:284)
at com.android.dx.command.dexer.Main.processAllFiles(Main.java:220)
at com.android.dx.command.dexer.Main.run(Main.java:176)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.android.ide.eclipse.adt.internal.build.DexWrapper.run(Unknown
Source)
at
com.android.ide.eclipse.adt.internal.build.BuildHelper.executeDx(Unknown
Source)
at
com.android.ide.eclipse.adt.internal.build.builders.PostCompilerBuilder.build(Unknown
Source)
at org.eclipse.core.internal.events.BuildManager
$2.run(BuildManager.java:629)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at
org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:
172)
at
org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:
203)
at org.eclipse.core.internal.events.BuildManager
$1.run(BuildManager.java:255)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at
org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:
258)
at
org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:
311)
at
org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:
343)
at
org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:
144)
at
org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:
242)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
This is the output i get when cleaning a previously working Android
project that has dependencies to a normal Java project. Not all that
helpful either, at least for me :/
Ciao,
Mario
On 7 Dez., 00:16, Xavier Ducrohet <x...@android.com> wrote:
> gotta love the error message. *sigh*
>
> From what you're saying you have all that's needed. Have you tried
> using the Sun VM instead of OpenJDK?
> We load dx.jar through reflection and it looks like calling out to a
> method through reflection failed.
>
> Xav
>
>
>
>
>
>
>
>
>
> On Mon, Dec 6, 2010 at 2:33 PM, Tom Gibara <tomgib...@gmail.com> wrote:
> > I upgraded to the 2.3 SDK and have hit a problem I can't resolve.
>
> > First I updated the android plugins for eclipse (3.5.2) to the new
> > version (8.0.0.v201011171904-77661). Then I used the SDK manager
> > within eclipse to install the Android SDK 2.3 API 9 package, its
> > documentation, and the Android SDK platform tools revision 1.
>
> > On restarting eclipse I found that every non-library android project
> > was reporting the same error:
>
> > [2010-12-06 21:58:32 - Dex Loader] Unable to execute dex: null
> > [2010-12-06 21:58:32 - ] Conversion to Dalvik format
> > failed: Unable to execute dex: null
>
> > I have tried cleaning the projects, reinstalling the plugins and
> > changing the declared SDK location. I have confirmed that eclipse has
> > the latest plugin, that the platform-tools directory exists, as does
> > the platforms/android-9 directory, and that they contain the correct
> > files. I switched the plugin into "verbose" for building, but can't
> > see anything remotely suspicious. I can even run dx manually on the
> > project bin directory and produce a classes.dex file.
>
> > I'm stumped, does anyone have any ideas?
>
> > This is on a 32-bit Ubuntu (Lucid Lynx) machine with OpenJDK (IcedTea6
> > 1.8.2) (6b18-1.8.2-4ubuntu2) (build 16.0-b13, mixed mode)
>
> > --
> > You received this message because you are subscribed to the Google
> > Groups "Android Developers" group.
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> > To unsubscribe from this group, send email to
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> > For more options, visit this group at
> >http://groups.google.com/group/android-developers?hl=en
>
> --
> Xavier Ducrohet
> Android SDK Tech Lead
> Google Inc.
>
> Please do not send me questions directly. Thanks!
--
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