tensorflow / tensorflow/tflite-support
v0.4.4/java.lang.UnsatisfiedLinkError while init of ObjectDetector
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Description
v0.0.4 Object detector throws java.lang.UnsatisfiedLinkError in Android native init phase. While it works fine with v0.4.3 and below versions, it was detected in v0.0.4 version.
- Problematic phone: Samsung SM-J250F
- Problematic library version: v0.0.4
- Reproduce phase: Object detector init phase only on Samsung SM-J250F device
No implementation found for void org.tensorflow.lite.task.vision.detector.ObjectDetector.deinitJni(long) (tried Java_org_tensorflow_lite_task_vision_detector_ObjectDetector_deinitJni and Java_org_tensorflow_lite_task_vision_detector_ObjectDetector_deinitJni__J)
Uncaught exception thrown by finalizer
java.lang.UnsatisfiedLinkError: No implementation found for void org.tensorflow.lite.task.vision.detector.ObjectDetector.deinitJni(long) (tried Java_org_tensorflow_lite_task_vision_detector_ObjectDetector_deinitJni and Java_org_tensorflow_lite_task_vision_detector_ObjectDetector_deinitJni__J
at org.tensorflow.lite.task.vision.detector.ObjectDetector.deinitJni(Native Method)
at org.tensorflow.lite.task.vision.detector.ObjectDetector.deinit(ObjectDetector.java:545)
at org.tensorflow.lite.task.core.BaseTaskApi.close(BaseTaskApi.java:59)
at org.tensorflow.lite.task.core.BaseTaskApi.finalize(BaseTaskApi.java:78)
at java.lang.Daemons$FinalizerDaemon.doFinalize(Daemons.java:222)
at java.lang.Daemons$FinalizerDaemon.run(Daemons.java:209)
at java.lang.Thread.run(Thread.java:762)
After code cache collection, code=61KB, data=61KB ```Contributor guide
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Research direction
Start with ObjectDetector.java at deinit(ObjectDetector.java:545) and the BaseTaskApi close/finalize path shown in the trace. Compare the v0.4.4 and v0.4.3 native bindings and initialization behavior, then reproduce on the Samsung SM-J250F. Done means ObjectDetector initialization and finalization no longer produce the reported UnsatisfiedLinkError on v0.4.4.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- android, java, tensorflow
- Domain
- mobile-dev
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100