如果是$FLINK_HOME/lib下面的文件，就一定会上传到hdfs上面，并且注册为LocalResource的 在JM/TM failover以后，是可以重新下载并且加载的
你可以把报ClassNotFound的JM/TM日志发出来，这样方便分析 Best, Yang xiao cai <flin...@163.com> 于2020年8月25日周二 上午9:30写道： > Hi > > 确实可以稳定复现，failover后就会出现找不到lib包中的jar文件里的class文件，只能重启。不过我是cli模式启动的on-yarn，没有试过per-job和application，计划这两天尝试下application指定jar包地址到hdfs上，看是否能够复现。 > > > Best, > xiao cai > > > 原始邮件 > 发件人: Congxian Qiu<qcx978132...@gmail.com> > 收件人: user-zh<user-zh@flink.apache.org> > 发送时间: 2020年8月24日(周一) 20:39 > 主题: Re: 答复: Flink on Yarn 启动任务，任务重启后貌似taskmanager中会丢失lib中的jar文件 > > > Hi 理论上第一次能启动，后续的 failover 也应该是可以正常恢复的。你这边是稳定复现吗？如果能够稳定复现的话，有可能是 bug Best, > Congxian xiao cai <flin...@163.com> 于2020年8月20日周四 下午2:27写道： > Hi： > > 感谢答复，确实是个思路。 > > > 不过个人感觉能够在启动第一个container的时候，将本地的lib中的jar文件上传到hdfs中，然后后续的failover的container能够统一从hdfs中获取，这样应该就不会有这个问题了。貌似社区在1.11版本针对jar的拷贝做了优化，我还在看这方面的内容。有进展再交流。 > > > > Best, > xiao cai > > > 原始邮件 > 发件人: 范超<fanc...@mgtv.com> > 收件人: > user-zh@flink.apache.org<user-zh@flink.apache.org> > 发送时间: > 2020年8月20日(周四) 09:11 > 主题: 答复: Flink on Yarn > 启动任务，任务重启后貌似taskmanager中会丢失lib中的jar文件 > > > 我之前开启job的failover > > restart，结果也是发现yarn直接申请新的container且旧的container并没有进一步进行处理，一直导致你这样子的报错，旧的container没有绑定的task > > executor No TaskExecutor registered under containe_xxxx. > > 我这边干脆写了个脚本通过savepoint的方式来reload应用了 希望对你有帮助 -----邮件原件----- 发件人: xiao cai > > [mailto:flin...@163.com] 发送时间: 2020年8月19日 星期三 12:50 收件人: user-zh < > > user-zh@flink.apache.org> 主题: Flink on Yarn > > 启动任务，任务重启后貌似taskmanager中会丢失lib中的jar文件 如题：link on Yarn > > 启动任务，任务重启后貌似taskmanager中会丢失lib中的jar文件 我的任务时kafka source -> hbase sink > > 任务申请到新的container后，启动任务时会丢失原本存在的class文件，怀疑是重新申请的container中没有获取到lib中的资源，是否应该将lib中资源放到hdfs？该如何配置。 > > Best xiao cai 错误堆栈： 2020-08-19 11:23:08,099 INFO > > org.apache.flink.yarn.YarnResourceManager [] - Received 1 containers. > > 2020-08-19 11:23:08,100 INFO org.apache.flink.yarn.YarnResourceManager [] - > > Received 1 containers with resource <memory:2048, vCores:4>, 1 pending > > container requests. 2020-08-19 11:23:08,100 INFO > > org.apache.flink.yarn.YarnResourceManager [] - TaskExecutor > > container_e07_1596440446172_0094_01_000069 will be started on 10.3.15.22 > > with TaskExecutorProcessSpec {cpuCores=4.0, frameworkHeapSize=128.000mb > > (134217728 bytes), frameworkOffHeapSize=128.000mb (134217728 bytes), > > taskHeapSize=384.000mb (402653174 bytes), taskOffHeapSize=0 bytes, > > networkMemSize=128.000mb (134217730 bytes), managedMemorySize=512.000mb > > (536870920 bytes), jvmMetaspaceSize=256.000mb (268435456 bytes), > > jvmOverheadSize=192.000mb (201326592 bytes)}. 2020-08-19 11:23:08,101 INFO > > org.apache.flink.yarn.YarnResourceManager [] - Creating container launch > > context for TaskManagers 2020-08-19 11:23:08,101 INFO > > org.apache.flink.yarn.YarnResourceManager [] - Starting TaskManagers > > 2020-08-19 11:23:08,102 INFO org.apache.flink.yarn.YarnResourceManager [] - > > Removing container request Capability[<memory:2048, > vCores:4>]Priority[1]. > 2020-08-19 11:23:08,102 INFO > org.apache.flink.yarn.YarnResourceManager [] - > Accepted 1 requested > containers, returned 0 excess containers, 0 pending > container requests of > resource <memory:2048, vCores:4>. 2020-08-19 > 11:23:08,102 INFO > > org.apache.hadoop.yarn.client.api.async.impl.NMClientAsyncImpl [] - > > Processing Event EventType: START_CONTAINER for Container > > container_e07_1596440446172_0094_01_000069 2020-08-19 11:23:10,851 ERROR > > org.apache.flink.runtime.rest.handler.taskmanager.TaskManagerDetailsHandler > > [] - Unhandled exception. > > org.apache.flink.runtime.resourcemanager.exceptions.UnknownTaskExecutorException: > > No TaskExecutor registered under > > container_e07_1596440446172_0094_01_000068. at > > org.apache.flink.runtime.resourcemanager.ResourceManager.requestTaskManagerInfo(ResourceManager.java:560) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > sun.reflect.GeneratedMethodAccessor118.invoke(Unknown Source) ~[?:?] at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > > ~[?:1.8.0_191] at java.lang.reflect.Method.invoke(Method.java:498) > > ~[?:1.8.0_191] at > > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcInvocation(AkkaRpcActor.java:284) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:199) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:74) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:152) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:170) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > akka.actor.Actor$class.aroundReceive(Actor.scala:517) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > akka.actor.ActorCell.receiveMessage(ActorCell.scala:592) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > akka.actor.ActorCell.invoke(ActorCell.scala:561) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > akka.dispatch.Mailbox.run(Mailbox.scala:225) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > akka.dispatch.Mailbox.exec(Mailbox.scala:235) > > ~[flink-dist_2.11-1.11.0.jar:1.11.0] at > > akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > > [flink-dist_2.11-1.11.0.jar:1.11.0] at > > akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) > > [flink-dist_2.11-1.11.0.jar:1.11.0] at > > akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) > > [flink-dist_2.11-1.11.0.jar:1.11.0] at > > akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) > > [flink-dist_2.11-1.11.0.jar:1.11.0] 2020-08-19 11:23:10,987 INFO > > org.apache.flink.yarn.YarnResourceManager [] - Registering TaskManager with > > ResourceID container_e07_1596440446172_0094_01_000069 (akka.tcp:// > > flink@10.3.15.22:37461/user/rpc/taskmanager_0) at ResourceManager > > 2020-08-19 11:23:11,029 WARN > > org.apache.flink.runtime.taskmanager.TaskManagerLocation [] - No hostname > > could be resolved for the IP address 10.3.15.22, using IP address as host > > name. Local input split assignment (such as for HDFS files) may be > > impacted. 2020-08-19 11:23:11,043 INFO > > org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Source: > > KafkaTableSource(id, name, kafka_partition, event_time, write_time, > > snapshot_time, max_snapshot_time, proc_time, wpt_event_time, wpt_partition, > > wpt_offset, wpt_timestamp) (1/2) (dbc71bdd0b8f72a1a2573a59b7e08d64) > > switched from SCHEDULED to DEPLOYING. 2020-08-19 11:23:11,043 INFO > > org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Deploying > > Source: KafkaTableSource(id, name, kafka_partition, event_time, write_time, > > snapshot_time, max_snapshot_time, proc_time, wpt_event_time, > wpt_partition, > wpt_offset, wpt_timestamp) (1/2) (attempt #68) to > > container_e07_1596440446172_0094_01_000069 @ 10.3.15.22 (dataPort=34755) > > 2020-08-19 11:23:11,043 INFO > > org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Source: > > KafkaTableSource(id, name, kafka_partition, event_time, write_time, > > snapshot_time, max_snapshot_time, proc_time, wpt_event_time, wpt_partition, > > wpt_offset, wpt_timestamp) (2/2) (4bae00129d9af9489cd29441d4540963) > > switched from SCHEDULED to DEPLOYING. 2020-08-19 11:23:11,043 INFO > > org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Deploying > > Source: KafkaTableSource(id, name, kafka_partition, event_time, write_time, > > snapshot_time, max_snapshot_time, proc_time, wpt_event_time, > wpt_partition, > wpt_offset, wpt_timestamp) (2/2) (attempt #68) to > > container_e07_1596440446172_0094_01_000069 @ 10.3.15.22 (dataPort=34755) > > 2020-08-19 11:23:11,043 INFO > > org.apache.flink.runtime.executiongraph.ExecutionGraph [] - > > Window(TumblingEventTimeWindows(1000), EventTimeTrigger, > > PassThroughWindowFunction) -> > > SourceConversion(table=[default_catalog.default_database.catalog_source, > > source: [KafkaTableSource(id, name, kafka_partition, event_time, > > write_time, snapshot_time, max_snapshot_time, proc_time, wpt_event_time, > > wpt_partition, wpt_offset, wpt_timestamp)]], fields=[id, name, > > kafka_partition, event_time, write_time, snapshot_time, max_snapshot_time, > > proc_time, wpt_event_time, wpt_partition, wpt_offset, wpt_timestamp]) -> > > Calc(select=[CAST(id) AS rowkey, (id ROW name ROW kafka_partition ROW > > event_time ROW write_time ROW snapshot_time ROW max_snapshot_time) AS > > EXPR$1]) -> SinkConversionToTuple2 -> Sink: HBaseUpsertTableSink(rowkey, > > cf) (1/1) (93ff2cf68229f33a00851bd93f2b7f85) switched from SCHEDULED to > > DEPLOYING. 2020-08-19 11:23:11,043 INFO > > org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Deploying > > Window(TumblingEventTimeWindows(1000), EventTimeTrigger, > > PassThroughWindowFunction) -> > > SourceConversion(table=[default_catalog.default_database.catalog_source, > > source: [KafkaTableSource(id, name, kafka_partition, event_time, > > write_time, snapshot_time, max_snapshot_time, proc_time, wpt_event_time, > > wpt_partition, wpt_offset, wpt_timestamp)]], fields=[id, name, > > kafka_partition, event_time, write_time, snapshot_time, max_snapshot_time, > > proc_time, wpt_event_time, wpt_partition, wpt_offset, wpt_timestamp]) -> > > Calc(select=[CAST(id) AS rowkey, (id ROW name ROW kafka_partition ROW > > event_time ROW write_time ROW snapshot_time ROW max_snapshot_time) AS > > EXPR$1]) -> SinkConversionToTuple2 -> Sink: HBaseUpsertTableSink(rowkey, > > cf) (1/1) (attempt #68) to container_e07_1596440446172_0094_01_000069 @ > > 10.3.15.22 (dataPort=34755) 2020-08-19 11:23:11,161 INFO > > org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Source: > > KafkaTableSource(id, name, kafka_partition, event_time, write_time, > > snapshot_time, max_snapshot_time, proc_time, wpt_event_time, wpt_partition, > > wpt_offset, wpt_timestamp) (1/2) (dbc71bdd0b8f72a1a2573a59b7e08d64) > > switched from DEPLOYING to RUNNING. 2020-08-19 11:23:11,161 INFO > > org.apache.flink.runtime.executiongraph.ExecutionGraph [] - > > Window(TumblingEventTimeWindows(1000), EventTimeTrigger, > > PassThroughWindowFunction) -> > > SourceConversion(table=[default_catalog.default_database.catalog_source, > > source: [KafkaTableSource(id, name, kafka_partition, event_time, > > write_time, snapshot_time, max_snapshot_time, proc_time, wpt_event_time, > > wpt_partition, wpt_offset, wpt_timestamp)]], fields=[id, name, > > kafka_partition, event_time, write_time, snapshot_time, max_snapshot_time, > > proc_time, wpt_event_time, wpt_partition, wpt_offset, wpt_timestamp]) -> > > Calc(select=[CAST(id) AS rowkey, (id ROW name ROW kafka_partition ROW > > event_time ROW write_time ROW snapshot_time ROW max_snapshot_time) AS > > EXPR$1]) -> SinkConversionToTuple2 -> Sink: HBaseUpsertTableSink(rowkey, > > cf) (1/1) (93ff2cf68229f33a00851bd93f2b7f85) switched from DEPLOYING to > > RUNNING. 2020-08-19 11:23:11,162 INFO > > org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Source: > > KafkaTableSource(id, name, kafka_partition, event_time, write_time, > > snapshot_time, max_snapshot_time, proc_time, wpt_event_time, wpt_partition, > > wpt_offset, wpt_timestamp) (2/2) (4bae00129d9af9489cd29441d4540963) > > switched from DEPLOYING to RUNNING. 2020-08-19 11:23:12,733 INFO > > org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Source: > > KafkaTableSource(id, name, kafka_partition, event_time, write_time, > > snapshot_time, max_snapshot_time, proc_time, wpt_event_time, wpt_partition, > > wpt_offset, wpt_timestamp) (1/2) (dbc71bdd0b8f72a1a2573a59b7e08d64) > > switched from RUNNING to FAILED on > > org.apache.flink.runtime.jobmaster.slotpool.SingleLogicalSlot@71e7e541. > > java.lang.NoClassDefFoundError: Could not initialize class xxxx
