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Posted to user@flink.apache.org by "Patro, Samya" <Sa...@gs.com> on 2019/07/02 09:16:59 UTC

Could not load the native RocksDB library

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. For more information about how we use and disclose your personal data, how we protect your information, our legal basis to use your information, your rights and who you can contact, please refer to: www.gs.com/privacy-notices<http://www.gs.com/privacy-notices>

Re: Could not load the native RocksDB library

Posted by Congxian Qiu <qc...@gmail.com>.
FYI

Maybe this is an env problem. I encountered this problem when running flink
1.9 on k8s, but it was success when running on yarn. did not figure out why
this happened, will update here after find it out.

Best,
Congxian


Thad Truman <tt...@neovest.com> 于2019年10月23日周三 上午1:33写道:

> 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 <an...@ververica.com>
> *Sent:* Wednesday, July 3, 2019 9:09 AM
> *To:* Haibo Sun <su...@163.com>
> *Cc:* Patro, Samya <Sa...@gs.com>; user@flink.apache.org; Bari,
> Swapnil <Sw...@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 <su...@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" <Sa...@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. For more information about how we
> use and disclose your personal data, how we protect your information, our
> legal basis to use your information, your rights and who you can contact,
> please refer to: www.gs.com/privacy-notices
>
>

RE: Could not load the native RocksDB library

Posted by "Patro, Samya" <Sa...@gs.com>.
Hello Thad,
 In my case , the issue was fixed after upgrading the os version , and gcc version.

From: Thad Truman [mailto:ttruman@neovest.com]
Sent: Tuesday, October 22, 2019 11:03 PM
To: Andrey Zagrebin; Haibo Sun
Cc: Patro, Samya [Engineering]; user@flink.apache.org; Bari, Swapnil [Engineering]
Subject: RE: Could not load the native RocksDB library

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 <an...@ververica.com>
Sent: Wednesday, July 3, 2019 9:09 AM
To: Haibo Sun <su...@163.com>
Cc: Patro, Samya <Sa...@gs.com>; user@flink.apache.org; Bari, Swapnil <Sw...@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 <su...@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" <Sa...@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. For more information about how we use and disclose your personal data, how we protect your information, our legal basis to use your information, your rights and who you can contact, please refer to: www.gs.com/privacy-notices<http://www.gs.com/privacy-notices>

________________________________

Your Personal Data: We may collect and process information about you that may be subject to data protection laws. For more information about how we use and disclose your personal data, how we protect your information, our legal basis to use your information, your rights and who you can contact, please refer to: www.gs.com/privacy-notices<http://www.gs.com/privacy-notices>

RE: Could not load the native RocksDB library

Posted by Thad Truman <tt...@neovest.com>.
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 <an...@ververica.com>
Sent: Wednesday, July 3, 2019 9:09 AM
To: Haibo Sun <su...@163.com>
Cc: Patro, Samya <Sa...@gs.com>; user@flink.apache.org; Bari, Swapnil <Sw...@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 <su...@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" <Sa...@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. For more information about how we use and disclose your personal data, how we protect your information, our legal basis to use your information, your rights and who you can contact, please refer to: www.gs.com/privacy-notices<http://www.gs.com/privacy-notices>

Re: Could not load the native RocksDB library

Posted by Andrey Zagrebin <an...@ververica.com>.
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 <su...@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" <Sa...@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. For more information about how we
> use and disclose your personal data, how we protect your information, our
> legal basis to use your information, your rights and who you can contact,
> please refer to: www.gs.com/privacy-notices
>
>

Re:Could not load the native RocksDB library

Posted by Haibo Sun <su...@163.com>.
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" <Sa...@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. For more information about how we use and disclose your personal data, how we protect your information, our legal basis to use your information, your rights and who you can contact, please refer to: www.gs.com/privacy-notices