Hi Stefan I could solve the issue by building frocksdb with a patch for ppc architecture. How ever this patch is already applied to the latest version of rocksdb, where as frocksdb seems not updated in a while. It would be nice to have it updated with this patch.
Thanks Ziyad On Tue, Jun 6, 2017 at 10:01 AM, Stefan Richter <s.rich...@data-artisans.com > wrote: > Hi, > > RocksDB is a native library with JNI binding. It is included as a > dependency and does not build from source when you build Flink. The > included jar provides native code for Linux, OSX, and Windows on x86-64. > From the Exception, I would conclude you are using a different CPU > architecture that is big endian. In this case, you would have to compile > RocksDB yourself on your native platform and replace the jar that ships > with Flink. > > Best, > Stefan > > Am 03.06.2017 um 14:16 schrieb Ziyad Muhammed <mmzi...@gmail.com>: > > Dear all, > > My Flink Job reads from a kafka topic and store the data in a RocksDB > state backend, in order to make use of the queryable state. I'm able to run > the job and query the state in my local machine. But when deploying on the > cluster, I'm getting the below error: > > Caused by: org.apache.flink.runtime.client.JobExecutionException: Job > execution failed. > at > org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply$mcV$sp(JobManager.scala:900) > at > org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply(JobManager.scala:843) > at > org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply(JobManager.scala:843) > at > scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24) > at scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24) > at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:40) > at > akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:397) > at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > at > scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) > at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) > at > scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) > > Caused by: java.lang.IllegalStateException: Could not initialize keyed state > backend. > at > org.apache.flink.streaming.api.operators.AbstractStreamOperator.initKeyedState(AbstractStreamOperator.java:286) > at > org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:199) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.initializeOperators(StreamTask.java:666) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.initializeState(StreamTask.java:654) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:257) > at org.apache.flink.runtime.taskmanager.Task.run(Task.java:655) > at java.lang.Thread.run(Thread.java:745) > > Caused by: java.lang.Exception: Could not load the native RocksDB library > at > org.apache.flink.contrib.streaming.state.RocksDBStateBackend.ensureRocksDBIsLoaded(RocksDBStateBackend.java:483) > at > org.apache.flink.contrib.streaming.state.RocksDBStateBackend.createKeyedStateBackend(RocksDBStateBackend.java:235) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.createKeyedStateBackend(StreamTask.java:785) > at > org.apache.flink.streaming.api.operators.AbstractStreamOperator.initKeyedState(AbstractStreamOperator.java:277) > ... 6 more > > Caused by: java.lang.UnsatisfiedLinkError: > /data/hadoop/tmp/rocksdb-lib-32bc6a5551b331596649309a808b287d/librocksdbjni-linux64.so: > > /data/hadoop/tmp/rocksdb-lib-32bc6a5551b331596649309a808b287d/librocksdbjni-linux64.so: > ELF file data encoding not big-endian (Possible cause: endianness mismatch) > at java.lang.ClassLoader$NativeLibrary.load(Native Method) > at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1941) > at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1824) > at java.lang.Runtime.load0(Runtime.java:809) > at java.lang.System.load(System.java:1086) > at > org.rocksdb.NativeLibraryLoader.loadLibraryFromJar(NativeLibraryLoader.java:78) > at org.rocksdb.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:56) > at > org.apache.flink.contrib.streaming.state.RocksDBStateBackend.ensureRocksDBIsLoaded(RocksDBStateBackend.java:460) > > I have tried setting the rocksDB state backend at cluster level and job > level. when it is set at job level, I have provided it as a shaded > dependency. I have tried compiling the code on the host cluster machine as > well. I get the same error in all the cases. > > ELF file data encoding not big-endian (Possible cause: endianness mismatch) > > How can I solve this error? > Thanks in advance > Ziyad > > >
