java.lang.NullPointerException - Attempt to invoke virtual method 'java.lang.String java.lang.String.trim()' on a null object reference

[Tomáš Válek]

Hello,

I see in Crashlytics on device: 

Allwinner K2401/K2401P/k2401M

Android 10

camerax version: 1.6.0-alpha02

FloatingDecimal.readJavaFormatString

java.lang.NullPointerException - Attempt to invoke virtual method 'java.lang.String java.lang.String.trim()' on a null object referenc

 Fatal Exception: androidx.camera.core.InitializationException: java.lang.IllegalStateException: Failed to load metadata for CameraId-2!
       at androidx.camera.core.InitializationException.<init>(InitializationException.java:36)
       at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2(CameraX.java:518)
       at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:462)
       at java.util.concurrent.FutureTask.run(FutureTask.java:266)
       at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:301)
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
       at androidx.camera.core.CameraExecutor$1.lambda$newThread$0(CameraExecutor.java:76)
       at java.lang.Thread.run(Thread.java:919) 


          Caused by java.lang.IllegalStateException: Failed to load metadata for CameraId-2!
       at androidx.camera.camera2.pipe.compat.Camera2MetadataCache.createCameraMetadata-0r8Bogc(Camera2MetadataCache.kt:209)
       at androidx.camera.camera2.pipe.compat.Camera2MetadataCache.access$createCameraMetadata-0r8Bogc(Camera2MetadataCache.kt:51)
       at androidx.camera.camera2.pipe.compat.Camera2MetadataCache.awaitCameraMetadata-EfqyGwQ(Camera2MetadataCache.kt:106)
       at androidx.camera.camera2.pipe.compat.Camera2Backend.awaitCameraMetadata-EfqyGwQ(Camera2Backend.java:80)
       at androidx.camera.camera2.pipe.internal.CameraDevicesImpl.awaitCameraMetadata-FpsL5FU(CameraDevicesImpl.kt:117)
       at androidx.camera.camera2.pipe.CameraDevices.awaitCameraMetadata-FpsL5FU$default(CameraDevices.java:83)
       at androidx.camera.camera2.internal.CameraCompatibilityFilter.isBackwardCompatible(CameraCompatibilityFilter.kt:71)
       at androidx.camera.camera2.internal.CameraCompatibilityFilter.getBackwardCompatibleCameraIds(CameraCompatibilityFilter.kt:47)
       at androidx.camera.camera2.adapter.CameraFactoryAdapter.calculateAvailableCameraIds(CameraFactoryAdapter.kt:146)
       at androidx.camera.camera2.adapter.CameraFactoryAdapter.onCameraIdsUpdated(CameraFactoryAdapter.kt:110)
       at androidx.camera.camera2.adapter.CameraFactoryAdapter.<init>(CameraFactoryAdapter.kt:102)
       at androidx.camera.camera2.adapter.CameraFactoryProvider.newInstance(CameraFactoryProvider.kt:71)
       at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2(CameraX.java:423)
       at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:462)
       at java.util.concurrent.FutureTask.run(FutureTask.java:266)
       at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:301)
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
       at androidx.camera.core.CameraExecutor$1.lambda$newThread$0(CameraExecutor.java:76)
       at java.lang.Thread.run(Thread.java:919)
        


          Caused by java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.String.trim()' on a null object reference
       at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1838)
       at sun.misc.FloatingDecimal.parseFloat(FloatingDecimal.java:122)
       at java.lang.Float.parseFloat(Float.java:451)
       at android.hardware.Camera$Parameters.getFocalLength(Camera.java:3816)
       at android.hardware.camera2.legacy.LegacyMetadataMapper.mapLens(LegacyMetadataMapper.java:713)
       at android.hardware.camera2.legacy.LegacyMetadataMapper.mapCharacteristicsFromParameters(LegacyMetadataMapper.java:207)
       at android.hardware.camera2.legacy.LegacyMetadataMapper.createCharacteristics(LegacyMetadataMapper.java:157)
       at android.hardware.camera2.CameraManager.getCameraCharacteristics(CameraManager.java:312)
       at androidx.camera.camera2.pipe.compat.Camera2MetadataCache.createCameraMetadata-0r8Bogc(Camera2MetadataCache.kt:157)
       at androidx.camera.camera2.pipe.compat.Camera2MetadataCache.access$createCameraMetadata-0r8Bogc(Camera2MetadataCache.kt:51)
       at androidx.camera.camera2.pipe.compat.Camera2MetadataCache.awaitCameraMetadata-EfqyGwQ(Camera2MetadataCache.kt:106)
       at androidx.camera.camera2.pipe.compat.Camera2Backend.awaitCameraMetadata-EfqyGwQ(Camera2Backend.java:80)
       at androidx.camera.camera2.pipe.internal.CameraDevicesImpl.awaitCameraMetadata-FpsL5FU(CameraDevicesImpl.kt:117)
       at androidx.camera.camera2.pipe.CameraDevices.awaitCameraMetadata-FpsL5FU$default(CameraDevices.java:83)
       at androidx.camera.camera2.internal.CameraCompatibilityFilter.isBackwardCompatible(CameraCompatibilityFilter.kt:71)
       at androidx.camera.camera2.internal.CameraCompatibilityFilter.getBackwardCompatibleCameraIds(CameraCompatibilityFilter.kt:47)
       at androidx.camera.camera2.adapter.CameraFactoryAdapter.calculateAvailableCameraIds(CameraFactoryAdapter.kt:146)
       at androidx.camera.camera2.adapter.CameraFactoryAdapter.onCameraIdsUpdated(CameraFactoryAdapter.kt:110)
       at androidx.camera.camera2.adapter.CameraFactoryAdapter.<init>(CameraFactoryAdapter.kt:102)
       at androidx.camera.camera2.adapter.CameraFactoryProvider.newInstance(CameraFactoryProvider.kt:71)
       at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2(CameraX.java:423)
       at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:462)
       at java.util.concurrent.FutureTask.run(FutureTask.java:266)
       at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:301)
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
       at androidx.camera.core.CameraExecutor$1.lambda$newThread$0(CameraExecutor.java:76)
       at java.lang.Thread.run(Thread.java:919)