org.apache.spark.SparkException

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When installing an APK, it automatically extracts the libraries of the right arch type and has them available for System.loadLibrary. But, if you're trying to load a non-standard library, the installer won't know your app has 32bit native code.

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  • org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 12.0 failed 1 times, most recent failure: Lost task 0.0 in stage 12.0 (TID 34, localhost): java.lang.UnsatisfiedLinkError: no jnicaffe in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1886) at java.lang.Runtime.loadLibrary0(Runtime.java:849) at java.lang.System.loadLibrary(System.java:1088) at org.bytedeco.javacpp.Loader.loadLibrary(Loader.java:632) at org.bytedeco.javacpp.Loader.load(Loader.java:470) at org.bytedeco.javacpp.Loader.load(Loader.java:407) at org.bytedeco.javacpp.caffe.<clinit>(caffe.java:16) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:274) at org.bytedeco.javacpp.Loader.load(Loader.java:442) at org.bytedeco.javacpp.Loader.load(Loader.java:407) at org.bytedeco.javacpp.caffe$NetParameter.<clinit>(caffe.java:1946) at apps.CifarApp$$anonfun$main$3.apply$mcVI$sp(CifarApp.scala:83) at apps.CifarApp$$anonfun$main$3.apply(CifarApp.scala:82) at apps.CifarApp$$anonfun$main$3.apply(CifarApp.scala:82) at scala.collection.Iterator$class.foreach(Iterator.scala:727) at org.apache.spark.InterruptibleIterator.foreach(InterruptibleIterator.scala:28) at org.apache.spark.rdd.RDD$$anonfun$foreach$1$$anonfun$apply$32.apply(RDD.scala:912) at org.apache.spark.rdd.RDD$$anonfun$foreach$1$$anonfun$apply$32.apply(RDD.scala:912) at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1858) at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1858) at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66) at org.apache.spark.scheduler.Task.run(Task.scala:89) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:213) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.UnsatisfiedLinkError: /tmp/javacpp378041962097/libjnicaffe.so: /tmp/javacpp378041962097/libjnicaffe.so: undefined symbol: _ZN5caffe15WindowDataLayerIdED1Ev at java.lang.ClassLoader$NativeLibrary.load(Native Method) at java.lang.ClassLoader.loadLibrary1(ClassLoader.java:1965) at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1890) at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1851) at java.lang.Runtime.load0(Runtime.java:795) at java.lang.System.load(System.java:1062) at org.bytedeco.javacpp.Loader.loadLibrary(Loader.java:615) ... 23 more

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