Hi！ 这个报错是 client 提起触发 checkpoint 的请求后，job manager 没有及时反馈 checkpoint 的结果。没有及时反馈的原因可能有很多，比如 checkpoint 超时，比如网络通信问题等等。可以打开 flink web ui 看一下是否有更多信息，或者打开 job manager 和 task manager 的 log 看一下。
仙剑……情动人间 <[email protected]> 于2021年7月13日周二 下午7:19写道： > Hi All， > > > 我触发Flink > 保存点总是失败，报错如下，一直说是超时，但是没有进一步的信息可以查看，我查资料说可以设置checkpoint超时时间，我设置了2min，但是触发 > 保存点时在2min之前就会报错，另外我的 状态 并不大 > > > > ------------------------------------------------------------ > The program finished with the following exception: > > > org.apache.flink.util.FlinkException: Triggering a savepoint for the job > 00000000000000000000000000000000 failed. > at > org.apache.flink.client.cli.CliFrontend.triggerSavepoint(CliFrontend.java:777) > at > org.apache.flink.client.cli.CliFrontend.lambda$savepoint$9(CliFrontend.java:754) > at > org.apache.flink.client.cli.CliFrontend.runClusterAction(CliFrontend.java:1002) > at > org.apache.flink.client.cli.CliFrontend.savepoint(CliFrontend.java:751) > at > org.apache.flink.client.cli.CliFrontend.parseAndRun(CliFrontend.java:1072) > at > org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:1132) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:422) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1730) > at > org.apache.flink.runtime.security.contexts.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41) > at > org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1132) > Caused by: java.util.concurrent.TimeoutException > at > org.apache.flink.runtime.concurrent.FutureUtils$Timeout.run(FutureUtils.java:1255) > at > org.apache.flink.runtime.concurrent.DirectExecutorService.execute(DirectExecutorService.java:217) > at > org.apache.flink.runtime.concurrent.FutureUtils.lambda$orTimeout$15(FutureUtils.java:582) > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > at java.lang.Thread.run(Thread.java:748)
