Thanks Xavier.

That's definitely the cause of the problem. Eclipse projects, when
stripped of their dependencies on other eclipse projects, build fine.

Tom.

On 7 December 2010 00:54, Xavier Ducrohet <x...@android.com> wrote:
> hey all, we found the issue. It's related to referencing java project.
>
> We're looking at pushing a fix to ADT asap. In the meantime you can
> temporarily change to including your java project as a jar file.
>
> On Mon, Dec 6, 2010 at 4:42 PM, Mario Zechner <badlogicga...@gmail.com> wrote:
>> 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)
>>>
>>> > --
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>>>
>>> --
>>> Xavier Ducrohet
>>> Android SDK Tech Lead
>>> Google Inc.
>>>
>>> Please do not send me questions directly. Thanks!
>>
>> --
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>>
>
>
>
> --
> Xavier Ducrohet
> Android SDK Tech Lead
> Google Inc.
>
> Please do not send me questions directly. Thanks!
>
> --
> You received this message because you are subscribed to the Google
> Groups "Android Developers" group.
> To post to this group, send email to android-developers@googlegroups.com
> To unsubscribe from this group, send email to
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>

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