Hi Samya, Were you able to get this resolved? Seeing the same issue here after upgrading to Flink 1.9 from 1.6.
Thanks, Thad From: Andrey Zagrebin <and...@ververica.com> Sent: Wednesday, July 3, 2019 9:09 AM To: Haibo Sun <sunhaib...@163.com> Cc: Patro, Samya <samya.pa...@gs.com>; user@flink.apache.org; Bari, Swapnil <swapnil.b...@gs.com> Subject: Re: Could not load the native RocksDB library Hi Samya, Additionally to Haibo's answer: Have you tried the previous 1.7 version of Flink? The Rocksdb version was upgraded in 1.8 version. Best, Andrey On Wed, Jul 3, 2019 at 5:21 AM Haibo Sun <sunhaib...@163.com<mailto:sunhaib...@163.com>> wrote: Hi, Samya.Patro I guess this may be a setup problem. What OS and what version of JDK do you use? You can try upgrading JDK to see if the issue can be solved. Best, Haibo At 2019-07-02 17:16:59, "Patro, Samya" <samya.pa...@gs.com<mailto:samya.pa...@gs.com>> wrote: Hello, I am using rocksdb for storing state . But when I run the pipeline I get the error ”Could not load the native RocksDB library” . Kindly can you check the configs and error stacktrace and suggest what am I doing wrong . Flink version - 1.8.0 <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-statebackend-rocksdb_2.11</artifactId> <version>1.8.0</version> </dependency> This is the flink checkpointing config I have used executionEnvironment.enableCheckpointing(300000); executionEnvironment.getCheckpointConfig().setCheckpointingMode(CheckpointingMode.AT_LEAST_ONCE); executionEnvironment.getCheckpointConfig().setMinPauseBetweenCheckpoints(50000); executionEnvironment.getCheckpointConfig().setCheckpointTimeout(600000); executionEnvironment.getCheckpointConfig().setMaxConcurrentCheckpoints(1); executionEnvironment.getCheckpointConfig().enableExternalizedCheckpoints(CheckpointConfig.ExternalizedCheckpointCleanup.RETAIN_ON_CANCELLATION); StateBackend rocksDbBackend = new RocksDBStateBackend(parameter.get("stateBackendPath"),true); executionEnvironment.setStateBackend(rocksDbBackend); When I run the pipeline, I get this error java.lang.Exception: Exception while creating StreamOperatorStateContext. at org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.streamOperatorStateContext(StreamTaskStateInitializerImpl.java:195) at org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:250) at org.apache.flink.streaming.runtime.tasks.StreamTask.initializeState(StreamTask.java:738) at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:289) at org.apache.flink.runtime.taskmanager.Task.run(Task.java:711) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.flink.util.FlinkException: Could not restore keyed state backend for StreamFlatMap_9dd63673dd41ea021b896d5203f3ba7c_(1/5) from any of the 1 provided restore options. at org.apache.flink.streaming.api.operators.BackendRestorerProcedure.createAndRestore(BackendRestorerProcedure.java:135) at org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.keyedStatedBackend(StreamTaskStateInitializerImpl.java:307) at org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.streamOperatorStateContext(StreamTaskStateInitializerImpl.java:135) ... 5 more Caused by: java.io.IOException: Could not load the native RocksDB library at org.apache.flink.contrib.streaming.state.RocksDBStateBackend.ensureRocksDBIsLoaded(RocksDBStateBackend.java:911) at org.apache.flink.contrib.streaming.state.RocksDBStateBackend.createKeyedStateBackend(RocksDBStateBackend.java:482) at org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.lambda$keyedStatedBackend$1(StreamTaskStateInitializerImpl.java:291) at org.apache.flink.streaming.api.operators.BackendRestorerProcedure.attemptCreateAndRestore(BackendRestorerProcedure.java:142) at org.apache.flink.streaming.api.operators.BackendRestorerProcedure.createAndRestore(BackendRestorerProcedure.java:121) ... 7 more Caused by: java.lang.UnsatisfiedLinkError: /tmp/rocksdb-lib-ee961b2f013f7d5baabbc1cb2b0b87d7/librocksdbjni-linux64.so: /tmp/rocksdb-lib-ee961b2f013f7d5baabbc1cb2b0b87d7/librocksdbjni-linux64.so: undefined symbol: malloc_stats_print at java.lang.ClassLoader$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:888) ... 11 more Thanks and Regards, Samya Ranjan Patro Goldman sachs ________________________________ Your Personal Data: We may collect and process information about you that may be subject to data protection laws. 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