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Re: Failed to fetch BLOB - IO Exception


How is your cluster configured ?
What is the  Checkpoint/save point directory configuration ?


On Tue, Oct 23, 2018 at 8:00 AM Manjusha Vuyyuru <vmanjusha.cse@xxxxxxxxx> wrote:
Hello All,

I have a  job which fails lets say after every 14 days with IO Exception, failed to fetch blob.
I submitted the job using command line using java jar.Below is the exception I'm getting: 

java.io.IOException: Failed to fetch BLOB d23d168655dd51efe4764f9b22b85a18/p-446f7e0137fd66af062de7a56c55528171d380db-baf0b6bce698d586a3b0d30c6e487d16 from flink-job-mamager/10.20.1.85:38147 and store it under /tmp/blobStore-e3e34fec-22d9-4b3c-b542-0c1e5cdcf896/incoming/temp-00000022
	at org.apache.flink.runtime.blob.BlobClient.downloadFromBlobServer(BlobClient.java:191)
	at org.apache.flink.runtime.blob.AbstractBlobCache.getFileInternal(AbstractBlobCache.java:177)
	at org.apache.flink.runtime.blob.PermanentBlobCache.getFile(PermanentBlobCache.java:205)
	at org.apache.flink.runtime.execution.librarycache.BlobLibraryCacheManager.registerTask(BlobLibraryCacheManager.java:119)
	at org.apache.flink.runtime.taskmanager.Task.createUserCodeClassloader(Task.java:878)
	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:589)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: GET operation failed: Server side error: /tmp/blobStore-5535a94c-5bdd-41f3-878d-8320e53ba7c5/incoming/temp-00182356
	at org.apache.flink.runtime.blob.BlobClient.getInternal(BlobClient.java:253)
	at org.apache.flink.runtime.blob.BlobClient.downloadFromBlobServer(BlobClient.java:166)
	... 6 more
Caused by: java.io.IOException: Server side error: /tmp/blobStore-5535a94c-5bdd-41f3-878d-8320e53ba7c5/incoming/temp-00182356
	at org.apache.flink.runtime.blob.BlobClient.receiveAndCheckGetResponse(BlobClient.java:306)
	at org.apache.flink.runtime.blob.BlobClient.getInternal(BlobClient.java:247)
	... 7 more
Caused by: java.nio.file.NoSuchFileException: /tmp/blobStore-5535a94c-5bdd-41f3-878d-8320e53ba7c5/incoming/temp-00182356
	at sun.nio.fs.UnixException.translateToIOException(UnixException.java:86)
	at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
	at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
	at sun.nio.fs.UnixCopyFile.move(UnixCopyFile.java:409)
	at sun.nio.fs.UnixFileSystemProvider.move(UnixFileSystemProvider.java:262)
	at java.nio.file.Files.move(Files.java:1395)
	at org.apache.flink.runtime.blob.BlobUtils.moveTempFileToStore(BlobUtils.java:452)
	at org.apache.flink.runtime.blob.BlobServer.getFileInternal(BlobServer.java:521)
	at org.apache.flink.runtime.blob.BlobServerConnection.get(BlobServerConnection.java:231)
	at org.apache.flink.runtime.blob.BlobServerConnection.run(BlobServerConnection.java:117)
All the configurations of blob are default, i didn't change anything.
Can someone help me to fix this issue.
Thanks,
Manjusha