目前没有办法让作业继续跑，只能重跑了 这里有几个不同的问题： 1. 文件是如何被删掉的，两种可能：被Flink误删（需要在Flink这边修复）、或者被Flink之外的进程删掉 2. 文件丢失意味着exactly once语义无法保证了，这种情况是否可以接受 3. 如果可以接受丢失数据，如何让Flink作业可以继续跑（需要Flink的改进）
On Wed, Aug 11, 2021 at 7:52 PM 周瑞 <[email protected]> wrote: > 您好： > 这个文件确实不存在了，这种情况目前怎样设置可以让作业继续跑 > > > ------------------ Original ------------------ > From: "Rui Li"<[email protected]>; > Date: Wed, Aug 11, 2021 07:49 PM > To: "user-zh"<[email protected]>; > > Subject: Re: Flink HIve 文件压缩报错 > > > > 这个文件是确实不在了么？是不是被别的进程删掉了呢，可以通过hdfs的audit log来判断一下。 > > 目前flink这边写文件的exactly > once语义是依赖HDFS的一致性保证的，如果之前写到HDFS的数据丢掉了就会破坏这个语义了（不过我们可以考虑在这种情况下让作业能继续跑）。 > > On Tue, Aug 10, 2021 at 7:45 PM 周瑞 <[email protected]> wrote: > > > 您好：Flink > > > 写入Hive的时候，在压缩文件的时候有个待压缩的文件丢失了，导致Flink程序一直在不断重启，请问文件丢失是什么原因导致的，这种情况怎么能够让Flink程序正常启动 > > 2021-08-10 19:34:19 java.io.UncheckedIOException: > > java.io.FileNotFoundException: File does not exist: > > > hdfs://mycluster/user/hive/warehouse/test.db/offer_69/pt_dt=2021-8-10-72/.uncompacted-part-b2108114-b92b-4c37-b204-45f0150236f4-0-3 > > at > > > org.apache.flink.table.filesystem.stream.compact.CompactCoordinator.lambda$coordinate$1(CompactCoordinator.java:163) > > at > > > org.apache.flink.table.runtime.util.BinPacking.pack(BinPacking.java:38) > > at > > > org.apache.flink.table.filesystem.stream.compact.CompactCoordinator.lambda$coordinate$2(CompactCoordinator.java:173) > > at > java.util.HashMap.forEach(HashMap.java:1288) > at > > > org.apache.flink.table.filesystem.stream.compact.CompactCoordinator.coordinate(CompactCoordinator.java:169) > > at > > > org.apache.flink.table.filesystem.stream.compact.CompactCoordinator.commitUpToCheckpoint(CompactCoordinator.java:151) > > at > > > org.apache.flink.table.filesystem.stream.compact.CompactCoordinator.processElement(CompactCoordinator.java:141) > > at > > > org.apache.flink.streaming.runtime.tasks.OneInputStreamTask$StreamTaskNetworkOutput.emitRecord(OneInputStreamTask.java:205) > > at org.apache.flink.streaming.runtime.io > .AbstractStreamTaskNetworkInput.processElement(AbstractStreamTaskNetworkInput.java:134) > > at > org.apache.flink.streaming.runtime.io > .AbstractStreamTaskNetworkInput.emitNext(AbstractStreamTaskNetworkInput.java:105) > > at org.apache.flink.streaming. > runtime.io > .StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:66) > > at > > > org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:423) > > at > > > org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:204) > > at > > > org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:681) > > at > > > org.apache.flink.streaming.runtime.tasks.StreamTask.executeInvoke(StreamTask.java:636) > > at > > > org.apache.flink.streaming.runtime.tasks.StreamTask.runWithCleanUpOnFail(StreamTask.java:647) > > at > > > org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:620) > > at > org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:779) > > at > org.apache.flink.runtime.taskmanager.Task.run(Task.java:566) > at > > java.lang.Thread.run(Thread.java:748) Caused by: > > java.io.FileNotFoundException: File does not exist: > > > hdfs://mycluster/user/hive/warehouse/test.db/offer_69/pt_dt=2021-8-10-72/.uncompacted-part-b2108114-b92b-4c37-b204-45f0150236f4-0-3 > > at > > > org.apache.hadoop.hdfs.DistributedFileSystem$29.doCall(DistributedFileSystem.java:1583) > > at > > > org.apache.hadoop.hdfs.DistributedFileSystem$29.doCall(DistributedFileSystem.java:1576) > > at > > > org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) > > at > > > org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1591) > > at > > > org.apache.flink.hive.shaded.fs.hdfs.HadoopFileSystem.getFileStatus(HadoopFileSystem.java:85) > > at > > > org.apache.flink.table.filesystem.stream.compact.CompactCoordinator.lambda$coordinate$1(CompactCoordinator.java:161) > > ... 19 more > > > > -- > Best regards! > Rui Li -- Best regards! Rui Li
