Hi Navneeth, Did you check if the path contains in the exception is really can not be found?
Best, Vino Navneeth Krishnan <reachnavnee...@gmail.com> 于2020年1月3日周五 上午8:23写道: > Hi All, > > We are running into checkpoint timeout issue more frequently in production > and we also see the below exception. We are running flink 1.4.0 and the > checkpoints are saved on NFS. Can someone suggest how to overcome this? > > [image: image.png] > > java.lang.IllegalStateException: Could not initialize operator state backend. > at > org.apache.flink.streaming.api.operators.AbstractStreamOperator.initOperatorState(AbstractStreamOperator.java:302) > at > org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:249) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.initializeOperators(StreamTask.java:692) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.initializeState(StreamTask.java:679) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:253) > at org.apache.flink.runtime.taskmanager.Task.run(Task.java:718) > at java.lang.Thread.run(Thread.java:748) > Caused by: java.io.FileNotFoundException: > /mnt/checkpoints/02c4f8d5c11921f363b98c5959cc4f06/chk-101/e71d8eaf-ff4a-4783-92bd-77e3d8978e01 > (No such file or directory) > at java.io.FileInputStream.open0(Native Method) > at java.io.FileInputStream.open(FileInputStream.java:195) > at java.io.FileInputStream.<init>(FileInputStream.java:138) > at > org.apache.flink.core.fs.local.LocalDataInputStream.<init>(LocalDataInputStream.java:50) > > > Thanks > >