java.lang.ClassNotFoundException

tip

This happens sometimes when Android fails to load the necessary libraries when you install an app. Try reinstalling it or telling your client to reinstall it, as it seems to correctly install the libraries and fixes the problem.


rafaelrafael

You have a different solution? A short tip here would help you and many other users who saw this issue last week.

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    • java.lang.ClassNotFoundException: org.bytedeco.javacpp.opencv_core at org.bytedeco.javacpp.Loader.load(Loader.java:469) at org.bytedeco.javacpp.Loader.load(Loader.java:409) at org.bytedeco.javacpp.helper.opencv_core$AbstractArray.<clinit>(opencv_core.java:109) at org.bytedeco.javacv.OpenCVFrameConverter.convertToIplImage(OpenCVFrameConverter.java:91) at org.bytedeco.javacv.OpenCVFrameConverter$ToIplImage.convert(OpenCVFrameConverter.java:44) at com.example.videooverlayes.ActivitySegmentCreaterNew.GetNoOfFrame(ActivitySegmentCreaterNew.java:1324) at com.example.videooverlayes.ActivitySegmentCreaterNew$GetFrame.run(ActivitySegmentCreaterNew.java:1298) at java.lang.Thread.run(Thread.java:841) Caused by: java.lang.ClassNotFoundException: org.bytedeco.javacpp.opencv_core at java.lang.Class.classForName(Native Method) at java.lang.Class.forName(Class.java:251) at org.bytedeco.javacpp.Loader.load(Loader.java:464) ... 7 more Caused by: java.lang.UnsatisfiedLinkError: dlopen failed: cannot locate symbol "_ZNK2cv14DefaultDeleterI13CvFileStorageEclEPS1_" referenced by "libjniopencv_core.so"... at java.lang.Runtime.loadLibrary(Runtime.java:364) at java.lang.System.loadLibrary(System.java:526) at org.bytedeco.javacpp.Loader.loadLibrary(Loader.java:654) at org.bytedeco.javacpp.Loader.load(Loader.java:492) at org.bytedeco.javacpp.Loader.load(Loader.java:409) at org.bytedeco.javacpp.opencv_core.<clinit>(opencv_core.java:10) ... 10 more Caused by: java.lang.UnsatisfiedLinkError: Couldn't load gnustl_static from loader dalvik.system.PathClassLoader[DexPathList[[zip file "/data/app/com.appzcloud.videooverlayes-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.appzcloud.videooverlayes-1, /vendor/lib, /system/lib]]]: findLibrary returned null at java.lang.Runtime.loadLibrary(Runtime.java:358) at java.lang.System.loadLibrary(System.java:526) at org.bytedeco.javacpp.Loader.loadLibrary(Loader.java:654) at org.bytedeco.javacpp.Loader.load(Loader.java:483) ... 12 more

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