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File does not exist prevent from Job manager to start .

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miki haiat
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File does not exist prevent from Job manager to start .

miki haiat
Hi, 

Im having some wierd issue with the JM recovery ,
I using HDFS and ZOOKEEPER for HA stand alone cluster .

Iv  stop the cluster change some parameters in the flink conf (Memory).
But now when i start the cluster again im having an error that preventing from JM to start.
somehow the checkpoint file doesn't exists in HDOOP  and JM wont start .

full log JM log file
 
2018-05-31 11:57:05,568 ERROR org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Fatal error occurred in the cluster entrypoint.
Caused by: java.lang.Exception: Cannot set up the user code libraries: File does not exist: /flink1.5/ha/default/blob/job_5c545fc3f43d69325fb9966b8dd4c8f3/blob_p-5d9f3be555d3b05f90b5e148235d25730eb65b3d-ae486e221962f7b96e36da18fe1c57ca
at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:72)
Till Rohrmann
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Re: File does not exist prevent from Job manager to start .

Till Rohrmann
Hi Miki,

could you check whether the files are really no longer stored on HDFS? How did you terminate the cluster? Simply calling `bin/stop-cluster.sh`? I just tried it locally and it could recover the job after calling `bin/start-cluster.sh` again.

What would be helpful are the logs from the initial run of the job. So if you can reproduce the problem, then this log would be very helpful.

Cheers,
Till

On Thu, May 31, 2018 at 6:14 PM, miki haiat <[hidden email]> wrote:
Hi, 

Im having some wierd issue with the JM recovery ,
I using HDFS and ZOOKEEPER for HA stand alone cluster .

Iv  stop the cluster change some parameters in the flink conf (Memory).
But now when i start the cluster again im having an error that preventing from JM to start.
somehow the checkpoint file doesn't exists in HDOOP  and JM wont start .

full log JM log file
 
2018-05-31 11:57:05,568 ERROR org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Fatal error occurred in the cluster entrypoint.
Caused by: java.lang.Exception: Cannot set up the user code libraries: File does not exist: /flink1.5/ha/default/blob/job_5c545fc3f43d69325fb9966b8dd4c8f3/blob_p-5d9f3be555d3b05f90b5e148235d25730eb65b3d-ae486e221962f7b96e36da18fe1c57ca
at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:72)
miki haiat
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Re: File does not exist prevent from Job manager to start .

miki haiat
Hi  Till ,
  1. the files are not longer exist in HDFS.
  2. yes , stop and start the cluster from the bin commands.
  3.  unfortunately i deleted the log.. :(

I wondered if this code could cause this issue , the way in using checkpoint 

StateBackend sb = new FsStateBackend("hdfs://***/flink/my_city/checkpoints");
env.setStateBackend(sb);
env.getCheckpointConfig().setCheckpointingMode(CheckpointingMode.AT_LEAST_ONCE);
env.getCheckpointConfig().setCheckpointInterval(60000);









On Fri, Jun 1, 2018 at 6:19 PM Till Rohrmann <[hidden email]> wrote:
Hi Miki,

could you check whether the files are really no longer stored on HDFS? How did you terminate the cluster? Simply calling `bin/stop-cluster.sh`? I just tried it locally and it could recover the job after calling `bin/start-cluster.sh` again.

What would be helpful are the logs from the initial run of the job. So if you can reproduce the problem, then this log would be very helpful.

Cheers,
Till

On Thu, May 31, 2018 at 6:14 PM, miki haiat <[hidden email]> wrote:
Hi, 

Im having some wierd issue with the JM recovery ,
I using HDFS and ZOOKEEPER for HA stand alone cluster .

Iv  stop the cluster change some parameters in the flink conf (Memory).
But now when i start the cluster again im having an error that preventing from JM to start.
somehow the checkpoint file doesn't exists in HDOOP  and JM wont start .

full log JM log file
 
2018-05-31 11:57:05,568 ERROR org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Fatal error occurred in the cluster entrypoint.
Caused by: java.lang.Exception: Cannot set up the user code libraries: File does not exist: /flink1.5/ha/default/blob/job_5c545fc3f43d69325fb9966b8dd4c8f3/blob_p-5d9f3be555d3b05f90b5e148235d25730eb65b3d-ae486e221962f7b96e36da18fe1c57ca
at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:72)
Till Rohrmann
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Re: File does not exist prevent from Job manager to start .

Till Rohrmann
Hmmm, Flink should not delete the stored blobs on the HA storage. Could you try to reproduce the problem and then send us the logs on DEBUG level? Please also check before shutting the cluster down, that the files were there.

Cheers,
Till

On Sun, Jun 3, 2018 at 1:10 PM miki haiat <[hidden email]> wrote:
Hi  Till ,
  1. the files are not longer exist in HDFS.
  2. yes , stop and start the cluster from the bin commands.
  3.  unfortunately i deleted the log.. :(

I wondered if this code could cause this issue , the way in using checkpoint 

StateBackend sb = new FsStateBackend("hdfs://***/flink/my_city/checkpoints");
env.setStateBackend(sb);
env.getCheckpointConfig().setCheckpointingMode(CheckpointingMode.AT_LEAST_ONCE);
env.getCheckpointConfig().setCheckpointInterval(60000);









On Fri, Jun 1, 2018 at 6:19 PM Till Rohrmann <[hidden email]> wrote:
Hi Miki,

could you check whether the files are really no longer stored on HDFS? How did you terminate the cluster? Simply calling `bin/stop-cluster.sh`? I just tried it locally and it could recover the job after calling `bin/start-cluster.sh` again.

What would be helpful are the logs from the initial run of the job. So if you can reproduce the problem, then this log would be very helpful.

Cheers,
Till

On Thu, May 31, 2018 at 6:14 PM, miki haiat <[hidden email]> wrote:
Hi, 

Im having some wierd issue with the JM recovery ,
I using HDFS and ZOOKEEPER for HA stand alone cluster .

Iv  stop the cluster change some parameters in the flink conf (Memory).
But now when i start the cluster again im having an error that preventing from JM to start.
somehow the checkpoint file doesn't exists in HDOOP  and JM wont start .

full log JM log file
 
2018-05-31 11:57:05,568 ERROR org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Fatal error occurred in the cluster entrypoint.
Caused by: java.lang.Exception: Cannot set up the user code libraries: File does not exist: /flink1.5/ha/default/blob/job_5c545fc3f43d69325fb9966b8dd4c8f3/blob_p-5d9f3be555d3b05f90b5e148235d25730eb65b3d-ae486e221962f7b96e36da18fe1c57ca
at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:72)
miki haiat
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Re: File does not exist prevent from Job manager to start .

miki haiat
HI Till,
Iv`e managed to do  reproduce it.
Full log faild_jm.log




On Mon, Jun 4, 2018 at 10:33 AM Till Rohrmann <[hidden email]> wrote:
Hmmm, Flink should not delete the stored blobs on the HA storage. Could you try to reproduce the problem and then send us the logs on DEBUG level? Please also check before shutting the cluster down, that the files were there.

Cheers,
Till

On Sun, Jun 3, 2018 at 1:10 PM miki haiat <[hidden email]> wrote:
Hi  Till ,
  1. the files are not longer exist in HDFS.
  2. yes , stop and start the cluster from the bin commands.
  3.  unfortunately i deleted the log.. :(

I wondered if this code could cause this issue , the way in using checkpoint 

StateBackend sb = new FsStateBackend("hdfs://***/flink/my_city/checkpoints");
env.setStateBackend(sb);
env.getCheckpointConfig().setCheckpointingMode(CheckpointingMode.AT_LEAST_ONCE);
env.getCheckpointConfig().setCheckpointInterval(60000);









On Fri, Jun 1, 2018 at 6:19 PM Till Rohrmann <[hidden email]> wrote:
Hi Miki,

could you check whether the files are really no longer stored on HDFS? How did you terminate the cluster? Simply calling `bin/stop-cluster.sh`? I just tried it locally and it could recover the job after calling `bin/start-cluster.sh` again.

What would be helpful are the logs from the initial run of the job. So if you can reproduce the problem, then this log would be very helpful.

Cheers,
Till

On Thu, May 31, 2018 at 6:14 PM, miki haiat <[hidden email]> wrote:
Hi, 

Im having some wierd issue with the JM recovery ,
I using HDFS and ZOOKEEPER for HA stand alone cluster .

Iv  stop the cluster change some parameters in the flink conf (Memory).
But now when i start the cluster again im having an error that preventing from JM to start.
somehow the checkpoint file doesn't exists in HDOOP  and JM wont start .

full log JM log file
 
2018-05-31 11:57:05,568 ERROR org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Fatal error occurred in the cluster entrypoint.
Caused by: java.lang.Exception: Cannot set up the user code libraries: File does not exist: /flink1.5/ha/default/blob/job_5c545fc3f43d69325fb9966b8dd4c8f3/blob_p-5d9f3be555d3b05f90b5e148235d25730eb65b3d-ae486e221962f7b96e36da18fe1c57ca
at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:72)
Till Rohrmann
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Re: File does not exist prevent from Job manager to start .

Till Rohrmann
Hi Miki,

it looks as if you did not submit a job to the cluster of which you shared the logs. At least I could not see a submit job call.

Cheers,
Till

On Mon, Jun 4, 2018 at 12:31 PM miki haiat <[hidden email]> wrote:
HI Till,
Iv`e managed to do  reproduce it.
Full log faild_jm.log




On Mon, Jun 4, 2018 at 10:33 AM Till Rohrmann <[hidden email]> wrote:
Hmmm, Flink should not delete the stored blobs on the HA storage. Could you try to reproduce the problem and then send us the logs on DEBUG level? Please also check before shutting the cluster down, that the files were there.

Cheers,
Till

On Sun, Jun 3, 2018 at 1:10 PM miki haiat <[hidden email]> wrote:
Hi  Till ,
  1. the files are not longer exist in HDFS.
  2. yes , stop and start the cluster from the bin commands.
  3.  unfortunately i deleted the log.. :(

I wondered if this code could cause this issue , the way in using checkpoint 

StateBackend sb = new FsStateBackend("hdfs://***/flink/my_city/checkpoints");
env.setStateBackend(sb);
env.getCheckpointConfig().setCheckpointingMode(CheckpointingMode.AT_LEAST_ONCE);
env.getCheckpointConfig().setCheckpointInterval(60000);









On Fri, Jun 1, 2018 at 6:19 PM Till Rohrmann <[hidden email]> wrote:
Hi Miki,

could you check whether the files are really no longer stored on HDFS? How did you terminate the cluster? Simply calling `bin/stop-cluster.sh`? I just tried it locally and it could recover the job after calling `bin/start-cluster.sh` again.

What would be helpful are the logs from the initial run of the job. So if you can reproduce the problem, then this log would be very helpful.

Cheers,
Till

On Thu, May 31, 2018 at 6:14 PM, miki haiat <[hidden email]> wrote:
Hi, 

Im having some wierd issue with the JM recovery ,
I using HDFS and ZOOKEEPER for HA stand alone cluster .

Iv  stop the cluster change some parameters in the flink conf (Memory).
But now when i start the cluster again im having an error that preventing from JM to start.
somehow the checkpoint file doesn't exists in HDOOP  and JM wont start .

full log JM log file
 
2018-05-31 11:57:05,568 ERROR org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Fatal error occurred in the cluster entrypoint.
Caused by: java.lang.Exception: Cannot set up the user code libraries: File does not exist: /flink1.5/ha/default/blob/job_5c545fc3f43d69325fb9966b8dd4c8f3/blob_p-5d9f3be555d3b05f90b5e148235d25730eb65b3d-ae486e221962f7b96e36da18fe1c57ca
at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:72)
miki haiat
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Re: File does not exist prevent from Job manager to start .

miki haiat
I had some   zookeeper errors that  crashed the cluster 
 ERROR org.apache.flink.shaded.org.apache.curator.ConnectionState 
  - Authentication failed
What happen to Flink checkpoint and state if zookeeper cluster is crashed  ?
Is it possible that the checkpoint/state is written in zookeeper   but not in Hadoop and then when i try to restart the flink cluster im getting the file not find error ??


On Mon, Jun 4, 2018 at 4:27 PM Till Rohrmann <[hidden email]> wrote:
Hi Miki,

it looks as if you did not submit a job to the cluster of which you shared the logs. At least I could not see a submit job call.

Cheers,
Till

On Mon, Jun 4, 2018 at 12:31 PM miki haiat <[hidden email]> wrote:
HI Till,
Iv`e managed to do  reproduce it.
Full log faild_jm.log




On Mon, Jun 4, 2018 at 10:33 AM Till Rohrmann <[hidden email]> wrote:
Hmmm, Flink should not delete the stored blobs on the HA storage. Could you try to reproduce the problem and then send us the logs on DEBUG level? Please also check before shutting the cluster down, that the files were there.

Cheers,
Till

On Sun, Jun 3, 2018 at 1:10 PM miki haiat <[hidden email]> wrote:
Hi  Till ,
  1. the files are not longer exist in HDFS.
  2. yes , stop and start the cluster from the bin commands.
  3.  unfortunately i deleted the log.. :(

I wondered if this code could cause this issue , the way in using checkpoint 

StateBackend sb = new FsStateBackend("hdfs://***/flink/my_city/checkpoints");
env.setStateBackend(sb);
env.getCheckpointConfig().setCheckpointingMode(CheckpointingMode.AT_LEAST_ONCE);
env.getCheckpointConfig().setCheckpointInterval(60000);









On Fri, Jun 1, 2018 at 6:19 PM Till Rohrmann <[hidden email]> wrote:
Hi Miki,

could you check whether the files are really no longer stored on HDFS? How did you terminate the cluster? Simply calling `bin/stop-cluster.sh`? I just tried it locally and it could recover the job after calling `bin/start-cluster.sh` again.

What would be helpful are the logs from the initial run of the job. So if you can reproduce the problem, then this log would be very helpful.

Cheers,
Till

On Thu, May 31, 2018 at 6:14 PM, miki haiat <[hidden email]> wrote:
Hi, 

Im having some wierd issue with the JM recovery ,
I using HDFS and ZOOKEEPER for HA stand alone cluster .

Iv  stop the cluster change some parameters in the flink conf (Memory).
But now when i start the cluster again im having an error that preventing from JM to start.
somehow the checkpoint file doesn't exists in HDOOP  and JM wont start .

full log JM log file
 
2018-05-31 11:57:05,568 ERROR org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Fatal error occurred in the cluster entrypoint.
Caused by: java.lang.Exception: Cannot set up the user code libraries: File does not exist: /flink1.5/ha/default/blob/job_5c545fc3f43d69325fb9966b8dd4c8f3/blob_p-5d9f3be555d3b05f90b5e148235d25730eb65b3d-ae486e221962f7b96e36da18fe1c57ca
at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:72)
Till Rohrmann
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Re: File does not exist prevent from Job manager to start .

Till Rohrmann
Hi Miki,

Flink tries first to store the checkpoint data in Hadoop before writing the handle to the meta data in ZooKeeper. Thus, if the handle is in ZooKeeper, then it should also have been written to HDFS. Maybe you could check the HDFS logs whether you find something suspicious.

If ZooKeeper fails while writing the meta data state handle, then the checkpoint should be automatically discarded. But you might want to investigate why the ZooKeeper authentication failed. Flink needs a working ZooKeeper quorum to run in HA mode.

Maybe you could try to reproduce a failing run and share the log files with us. They might be helpful to further investigate the problem.

Cheers,
Till

On Wed, Jun 6, 2018 at 1:06 PM miki haiat <[hidden email]> wrote:
I had some   zookeeper errors that  crashed the cluster 
 ERROR org.apache.flink.shaded.org.apache.curator.ConnectionState 
  - Authentication failed
What happen to Flink checkpoint and state if zookeeper cluster is crashed  ?
Is it possible that the checkpoint/state is written in zookeeper   but not in Hadoop and then when i try to restart the flink cluster im getting the file not find error ??


On Mon, Jun 4, 2018 at 4:27 PM Till Rohrmann <[hidden email]> wrote:
Hi Miki,

it looks as if you did not submit a job to the cluster of which you shared the logs. At least I could not see a submit job call.

Cheers,
Till

On Mon, Jun 4, 2018 at 12:31 PM miki haiat <[hidden email]> wrote:
HI Till,
Iv`e managed to do  reproduce it.
Full log faild_jm.log




On Mon, Jun 4, 2018 at 10:33 AM Till Rohrmann <[hidden email]> wrote:
Hmmm, Flink should not delete the stored blobs on the HA storage. Could you try to reproduce the problem and then send us the logs on DEBUG level? Please also check before shutting the cluster down, that the files were there.

Cheers,
Till

On Sun, Jun 3, 2018 at 1:10 PM miki haiat <[hidden email]> wrote:
Hi  Till ,
  1. the files are not longer exist in HDFS.
  2. yes , stop and start the cluster from the bin commands.
  3.  unfortunately i deleted the log.. :(

I wondered if this code could cause this issue , the way in using checkpoint 

StateBackend sb = new FsStateBackend("hdfs://***/flink/my_city/checkpoints");
env.setStateBackend(sb);
env.getCheckpointConfig().setCheckpointingMode(CheckpointingMode.AT_LEAST_ONCE);
env.getCheckpointConfig().setCheckpointInterval(60000);









On Fri, Jun 1, 2018 at 6:19 PM Till Rohrmann <[hidden email]> wrote:
Hi Miki,

could you check whether the files are really no longer stored on HDFS? How did you terminate the cluster? Simply calling `bin/stop-cluster.sh`? I just tried it locally and it could recover the job after calling `bin/start-cluster.sh` again.

What would be helpful are the logs from the initial run of the job. So if you can reproduce the problem, then this log would be very helpful.

Cheers,
Till

On Thu, May 31, 2018 at 6:14 PM, miki haiat <[hidden email]> wrote:
Hi, 

Im having some wierd issue with the JM recovery ,
I using HDFS and ZOOKEEPER for HA stand alone cluster .

Iv  stop the cluster change some parameters in the flink conf (Memory).
But now when i start the cluster again im having an error that preventing from JM to start.
somehow the checkpoint file doesn't exists in HDOOP  and JM wont start .

full log JM log file
 
2018-05-31 11:57:05,568 ERROR org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Fatal error occurred in the cluster entrypoint.
Caused by: java.lang.Exception: Cannot set up the user code libraries: File does not exist: /flink1.5/ha/default/blob/job_5c545fc3f43d69325fb9966b8dd4c8f3/blob_p-5d9f3be555d3b05f90b5e148235d25730eb65b3d-ae486e221962f7b96e36da18fe1c57ca
at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:72)
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