Android Question drone mission crashing

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shb777

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I'm running drone mission with my mavic connected. It's crashing. Here is the log:

Logger connected to: samsung SM-G600FY
--------- beginning of main
--------- beginning of system
**************************** BaseApplication **************************
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
** Activity (main) Resume **
activation listener added
Registered successfully!
activation state: UNKNOWN
binding state: UNKNOWN
No connected product
java.lang.NoClassDefFoundError: Failed resolution of: Lcom/dji/service/areacode/wire/DJIACCityListModel;
at com.dji.service.areacode.d.a(Unknown Source)
at com.dji.service.areacode.d.a(Unknown Source)
at com.dji.service.areacode.d.a(Unknown Source)
at com.dji.service.areacode.DJIAreaCodeManger.a(Unknown Source)
at com.dji.service.areacode.DJIAreaCodeManger.a(Unknown Source)
at com.dji.service.areacode.DJIAreaCodeManger$e$1.handleMessage(Unknown Source)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.os.HandlerThread.run(HandlerThread.java:61)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.dji.service.areacode.wire.DJIACCityListModel" on path: DexPathList[[zip file "/system/framework/com.android.future.usb.accessory.jar", zip file "/data/app/b4a.dji.waldo-1/base.apk", zip file "/data/data/b4a.dji.waldo/.cache_sdk/sdkclasses.jar"],nativeLibraryDirectories=[/data/app/b4a.dji.waldo-1/lib/arm, /vendor/lib, /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
... 9 more
Suppressed: java.lang.NoClassDefFoundError: com.dji.service.areacode.wire.DJIACCityListModel
at dalvik.system.DexFile.defineClassNative(Native Method)
at dalvik.system.DexFile.defineClass(DexFile.java:226)
at dalvik.system.DexFile.loadClassBinaryName(DexFile.java:219)
at dalvik.system.DexPathList.findClass(DexPathList.java:321)
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:54)
... 11 more
Suppressed: java.lang.ClassNotFoundException: com.dji.service.areacode.wire.DJIACCityListModel
at java.lang.Class.classForName(Native Method)
at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
... 10 more
Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available
** Activity (main) Pause, UserClosed = true **
**************************** BaseApplication **************************
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
** Activity (main) Resume **
Registered successfully!
activation listener added
activation state: UNKNOWN
binding state: UNKNOWN
No connected product
Product connected
simulator: false
java.lang.NoClassDefFoundError: Failed resolution of: Lcom/dji/service/areacode/wire/DJIACCityListModel;
at com.dji.service.areacode.d.a(Unknown Source)
at com.dji.service.areacode.d.a(Unknown Source)
at com.dji.service.areacode.d.a(Unknown Source)
at com.dji.service.areacode.DJIAreaCodeManger.a(Unknown Source)
at com.dji.service.areacode.DJIAreaCodeManger.a(Unknown Source)
at com.dji.service.areacode.DJIAreaCodeManger$e$1.handleMessage(Unknown Source)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.os.HandlerThread.run(HandlerThread.java:61)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.dji.service.areacode.wire.DJIACCityListModel" on path: DexPathList[[zip file "/system/framework/com.android.future.usb.accessory.jar", zip file "/data/app/b4a.dji.waldo-1/base.apk", zip file "/data/data/b4a.dji.waldo/.cache_sdk/sdkclasses.jar"],nativeLibraryDirectories=[/data/app/b4a.dji.waldo-1/lib/arm, /vendor/lib, /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
... 9 more
Suppressed: java.lang.NoClassDefFoundError: com.dji.service.areacode.wire.DJIACCityListModel
at dalvik.system.DexFile.defineClassNative(Native Method)
at dalvik.system.DexFile.defineClass(DexFile.java:226)
at dalvik.system.DexFile.loadClassBinaryName(DexFile.java:219)
at dalvik.system.DexPathList.findClass(DexPathList.java:321)
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:54)
... 11 more
Suppressed: java.lang.ClassNotFoundException: com.dji.service.areacode.wire.DJIACCityListModel
at java.lang.Class.classForName(Native Method)
at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
... 10 more
Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available
** Activity (main) Pause, UserClosed = true **
Ignoring event: aircraft_batterystate
Ignoring event: aircraft_batterystate
Ignoring event: aircraft_batterystate
Ignoring event: aircraft_batterystate
Ignoring event: aircraft_batterystate
**************************** BaseApplication **************************
**************************** BaseApplication **************************
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
** Activity (main) Resume **
java.lang.NoClassDefFoundError: Failed resolution of: Lcom/dji/service/areacode/wire/DJIACCityListModel;
at com.dji.service.areacode.d.a(Unknown Source)
at com.dji.service.areacode.d.a(Unknown Source)
at com.dji.service.areacode.d.a(Unknown Source)
at com.dji.service.areacode.DJIAreaCodeManger.a(Unknown Source)
at com.dji.service.areacode.DJIAreaCodeManger.a(Unknown Source)
at com.dji.service.areacode.DJIAreaCodeManger$e$1.handleMessage(Unknown Source)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.os.HandlerThread.run(HandlerThread.java:61)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.dji.service.areacode.wire.DJIACCityListModel" on path: DexPathList[[zip file "/system/framework/com.android.future.usb.accessory.jar", zip file "/data/app/b4a.dji.waldo-2/base.apk", zip file "/data/data/b4a.dji.waldo/.cache_sdk/sdkclasses.jar"],nativeLibraryDirectories=[/data/app/b4a.dji.waldo-2/lib/arm, /vendor/lib, /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
... 9 more
Suppressed: java.lang.NoClassDefFoundError: com.dji.service.areacode.wire.DJIACCityListModel
at dalvik.system.DexFile.defineClassNative(Native Method)
at dalvik.system.DexFile.defineClass(DexFile.java:226)
at dalvik.system.DexFile.loadClassBinaryName(DexFile.java:219)
at dalvik.system.DexPathList.findClass(DexPathList.java:321)
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:54)
... 11 more
Suppressed: java.lang.ClassNotFoundException: com.dji.service.areacode.wire.DJIACCityListModel
at java.lang.Class.classForName(Native Method)
at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
... 10 more
Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available
** Activity (main) Pause, UserClosed = true **
activation listener added
sending message to waiting queue (sdk_registeredresult)
sending message to waiting queue (sdk_productchanged)
**************************** BaseApplication **************************
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
** Activity (main) Resume **
java.lang.NoClassDefFoundError: Failed resolution of: Lcom/dji/service/areacode/wire/DJIACCityListModel;
at com.dji.service.areacode.d.a(Unknown Source)
at com.dji.service.areacode.d.a(Unknown Source)
at com.dji.service.areacode.d.a(Unknown Source)
at com.dji.service.areacode.DJIAreaCodeManger.a(Unknown Source)
at com.dji.service.areacode.DJIAreaCodeManger.a(Unknown Source)
at com.dji.service.areacode.DJIAreaCodeManger$e$1.handleMessage(Unknown Source)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.os.HandlerThread.run(HandlerThread.java:61)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.dji.service.areacode.wire.DJIACCityListModel" on path: DexPathList[[zip file "/system/framework/com.android.future.usb.accessory.jar", zip file "/data/app/b4a.dji.waldo-1/base.apk", zip file "/data/data/b4a.dji.waldo/.cache_sdk/sdkclasses.jar"],nativeLibraryDirectories=[/data/app/b4a.dji.waldo-1/lib/arm, /vendor/lib, /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
... 9 more
Suppressed: java.lang.NoClassDefFoundError: com.dji.service.areacode.wire.DJIACCityListModel
at dalvik.system.DexFile.defineClassNative(Native Method)
at dalvik.system.DexFile.defineClass(DexFile.java:226)
at dalvik.system.DexFile.loadClassBinaryName(DexFile.java:219)
at dalvik.system.DexPathList.findClass(DexPathList.java:321)
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:54)
... 11 more
Suppressed: java.lang.ClassNotFoundException: com.dji.service.areacode.wire.DJIACCityListModel
at java.lang.Class.classForName(Native Method)
at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
... 10 more
Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available
** Activity (main) Pause, UserClosed = true **
sending message to waiting queue (sdk_registeredresult)
activation listener added
sending message to waiting queue (sdk_productchanged)
 

Cableguy

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Please, Please, Please!
When posting logs, code or any other form of quoted text, USE THE APPROPRIATE TEXT TAGS FOR EASE OF READING!!!!
 
Last edited:
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shb777

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Longtime User
GUESS WHAT!!!!!! Last night I was thinking why the app worked from August 2017
to May 2018 with no problems, and then in June 2018, it would stop working. So I got
the idea that maybe something changed with B4A. So I've always saved old versions
of my project, by zipping up the whole project, every time I made a major change. So I
got the idea of unzipping an old project, and rather than re building it in B4A, I would
just take the old apk file, copy it to my tablet, and reinstall it. I did this with a version
from March 31, 2018. I just flew it, and it worked flawlessly!!!!!!!!! It's a little small for my
new tablet, which is 10" vs my old 8" nvidia shield. Of course, I can't make any changes
to it, because if I recompile it, it won't work. So something changed in B4A or my installation.
 
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DonManfred

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shb777

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I changed it to 22, but it kept crashing. So I reinstalled the old app, and went outside and flew again. Telemetry stopped coming in once, but other than that it worked ok. maybe I need to reinstall B4A.
 
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Cableguy

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Also, if I remember correctly, the DJY Lib also changed at around that time
 
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shb777

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You previously wrote that it crashed during flight. The error you posted above looks like an error that can only happen when the app starts.
Yes the crash I posted the logs for was indoors, not in flight, but the app crashed outdoors too. But I never took off because the app crashed before home was set, and I don't take off until home is set.
 
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shb777

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Please upload the project that crashes at startup.
this is from my old post, #28 I took my drone out for flight testing today. The new app was constantly crashing. So I installed drone mission, and it too was constantly crashing. I had found out previously that all the apps including drone mission crash after the drone is left on a minute or so.

So even your drone mission program was crashing when compiled on my B4A installation. So I think I should send you my project from 3-31-18, you can compile it on your system, and then send me back the apk and I will see if it runs OK. Then we will know if there's something wrong with my installation.
 
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shb777

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i'm installing a new 8.3 on a different computer so i'll try that when it's finished.
 
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shb777

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after installing 8.3 on a different computer, i'm getting this error when compiling my app

B4A Version: 8.30
Parsing code. (0.09s)
Compiling code. (0.13s)
Compiling layouts code. (0.01s)
Organizing libraries. Error
Maven artifact not found: com.android.support/support-v4
 
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