java – Using Eclipse for androidSDK, when I go to run, I get WARNING: Data partition already in use. Changes will not persist!-ThrowExceptions

Exception or error:

I am completely new to Java, and Android, and eclipse. When doing the initial Hello, Android tutorial, I go to run and get the following:

WARNING: Data partition already in use. Changes will not persist!
WARNING: Cache partition already in use. Changes will not persist!
How to solve:

Goto DDMS perspective, click on the down arrow next to the screen capture camera icon and select reset adb from the dropdown menu.

My apk file was not deploying either, resetting adb sorted it out. 🙂

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Even easier fix:
In Windows open command prompt (cmd.exe).
In Linux open Terminal.
Locate adb.exe in SDK folder ..\android-sdk\platform-tools\abd.exe

cd <sdk directory> (move to the folder listed above)
dir (to make sure abd.exe is in that directory)
adb kill-server (stop the abd service, won't return anything)
adb start-server (start the abd service back up, should give a couple of readings)

Then retest, problem solved!

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I just had the same problem, that’s why I found myself here.

What I did is to run cmd then adb kill-server, then open task manager in windows and kill the emulator-x86.exe process.
Then re-run the project, it should work fine.

I guess adb kill-server isn’t even necessary.

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If you consider this tutorial about “Read/Write Android Emulator sdcard.img in Windows“, check that this virtual disk isn’t somehow already mounted:

mounting image disk

If ImDisk complains of the file being in use, close the emulator.
They won’t run together.
Unmounting the image in Android does not allow the image to be mounted in Windows, the emulator must be shut down in order to free the image from its locked state

The OP JiminyCricket confirms it was some kind of “resource lock”:

Simple restart of my OS fixed it. Thanks!

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Delete that AVD and create a new one. That worked for me, and it’s the simplest way, with no configuration at all.

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Just Restart Your Android SDK and Eclipse
If it not works even restarting PC
just delete that Android virtual device and create new one using AVD.

Hope It Helps !!

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One solution for this is to simply clean your projects. From the menu PROJECT>CLEAN…Clean All projects.

This worked for me when rebooting eclipse did not.

I take it back… this was temporary and incomplete. Even rebooting my eclipse and my system did not help until I killed the adb service, restarted it per the suggestions here. Now everything seems clean (knock on wood)

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Make sure that no proxy software is preventing Eclipse from connecting to the internet.

My problem was solved by doing this!

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For me it worked to simply create a new virtual Android device in the Eclipse -> Window -> AVD Manager.

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Delete pid file from all blow directories
.android\avd\[your_device].avd\cache.img.lock &
hardware-qemu.ini.lock &
sdcard.img.lock &
userdata-qemu.img.lock directories

Then start AVD.

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Go the AVD Manager then select the device and go to edit button
and make sure RAM is not go beyond 768M in the memory options.
Sometimes windows may fail to emulate, try progressively smaller value first
if the emulator fails to launch.

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