$ cd /opt/bigdata/flink/current/ $ ./bin/yarn-session.sh -d # 日志节选
.......
2022-05-19 22:45:37,278 INFO org.apache.flink.yarn.YarnClusterDescriptor [] - Found Web Interface hadoop01:33237 of application 'application_1652942203850_0022'. JobManager Web Interface: http://hadoop01:33237 2022-05-19 22:45:37,404 INFO org.apache.flink.yarn.cli.FlinkYarnSessionCli [] - The Flink YARN session cluster has been started in detached mode. In order to stop Flink gracefully, use the following command: $ echo "stop" | ./bin/yarn-session.sh -id application_1652942203850_0022 If this should not be possible, then you can also kill Flink via YARN's web interface or via: $ yarn application -kill application_1652942203850_0022 Note that killing Flink might not clean up all job artifacts and temporary files.
$ hdfs dfs -text /logs/count hadoop 4 hive 2 linux 3 mapreduce 1 spark 2 unix 2 windows 2
能看到结果
网页查看
遇到的问题
classloader
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Exception in thread "Thread-5" java.lang.IllegalStateException: Trying to access closed classloader. Please check if you store classloaders directly or indirectly in static fields. If the stacktrace suggests that the leak occurs in a third party library and cannot be fixed immediately, you can disable this check with the configuration 'classloader.check-leaked-classloader'. at org.apache.flink.runtime.execution.librarycache.FlinkUserCodeClassLoaders$SafetyNetWrapperClassLoader.ensureInner(FlinkUserCodeClassLoaders.java:164) at org.apache.flink.runtime.execution.librarycache.FlinkUserCodeClassLoaders$SafetyNetWrapperClassLoader.getResource(FlinkUserCodeClassLoaders.java:183) at org.apache.hadoop.conf.Configuration.getResource(Configuration.java:2830) at org.apache.hadoop.conf.Configuration.getStreamReader(Configuration.java:3104) at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:3063) at org.apache.hadoop.conf.Configuration.loadResources(Configuration.java:3036) at org.apache.hadoop.conf.Configuration.loadProps(Configuration.java:2914) at org.apache.hadoop.conf.Configuration.getProps(Configuration.java:2896) at org.apache.hadoop.conf.Configuration.get(Configuration.java:1246) at org.apache.hadoop.conf.Configuration.getTimeDuration(Configuration.java:1863) at org.apache.hadoop.conf.Configuration.getTimeDuration(Configuration.java:1840) at org.apache.hadoop.util.ShutdownHookManager.getShutdownTimeout(ShutdownHookManager.java:183) at org.apache.hadoop.util.ShutdownHookManager.shutdownExecutor(ShutdownHookManager.java:145) at org.apache.hadoop.util.ShutdownHookManager.access$300(ShutdownHookManager.java:65) at org.apache.hadoop.util.ShutdownHookManager$1.run(ShutdownHookManager.java:102)
org.apache.flink.client.program.ProgramInvocationException: The main method caused an error: java.util.concurrent.ExecutionExce: java.lang.RuntimeException: org.apache.flink.runtime.client.JobInitializationException: Could not start the JobMaster. at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:372) at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:222) at org.apache.flink.client.ClientUtils.executeProgram(ClientUtils.java:114) at org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:836) at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:247) at org.apache.flink.client.cli.CliFrontend.parseAndRun(CliFrontend.java:1078) at org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:1156) 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:1878) at org.apache.flink.runtime.security.contexts.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41) at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1156) Caused by: java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.RuntimeException: org.apache.flink.ru.client.JobInitializationException: Could not start the JobMaster. at org.apache.flink.util.ExceptionUtils.rethrow(ExceptionUtils.java:319) at org.apache.flink.api.java.ExecutionEnvironment.executeAsync(ExecutionEnvironment.java:1061) at org.apache.flink.client.program.ContextEnvironment.executeAsync(ContextEnvironment.java:132) at org.apache.flink.client.program.ContextEnvironment.execute(ContextEnvironment.java:70) at org.apache.flink.examples.java.wordcount.WordCount.main(WordCount.java:93) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:355) ... 11 more Caused by: java.util.concurrent.ExecutionException: java.lang.RuntimeException: org.apache.flink.runtime.client.JobInitializatieption: Could not start the JobMaster. at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357) at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1908) at org.apache.flink.api.java.ExecutionEnvironment.executeAsync(ExecutionEnvironment.java:1056) ... 19 more Caused by: java.lang.RuntimeException: org.apache.flink.runtime.client.JobInitializationException: Could not start the JobMaste at org.apache.flink.util.ExceptionUtils.rethrow(ExceptionUtils.java:319) at org.apache.flink.util.function.FunctionUtils.lambda$uncheckedFunction$2(FunctionUtils.java:75) at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:616) at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:591) at java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:457) at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1067) at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1703) at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:172) Caused by: org.apache.flink.runtime.client.JobInitializationException: Could not start the JobMaster. at org.apache.flink.runtime.jobmaster.DefaultJobMasterServiceProcess.lambda$new$0(DefaultJobMasterServiceProcess.java:9 at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:774) at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750) at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488) at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1609) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:750) Caused by: java.util.concurrent.CompletionException: java.lang.RuntimeException: org.apache.flink.runtime.client.JobExecutionExon: Cannot initialize task 'DataSink (CsvOutputFormat (path: hdfs://bigdata/logs/count, delimiter: ))': File or directory alrexists. Existing files and directories are not overwritten in NO_OVERWRITE mode. Use OVERWRITE mode to overwrite existing files irectories. at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1606) ... 3 more Caused by: java.lang.RuntimeException: org.apache.flink.runtime.client.JobExecutionException: Cannot initialize task 'DataSink utputFormat (path: hdfs://bigdata/logs/count, delimiter: ))': File or directory already exists. Existing files and directoriesnot overwritten in NO_OVERWRITE mode. Use OVERWRITE mode to overwrite existing files and directories. at org.apache.flink.util.ExceptionUtils.rethrow(ExceptionUtils.java:319) at org.apache.flink.util.function.FunctionUtils.lambda$uncheckedSupplier$4(FunctionUtils.java:114) at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1604) ... 3 more Caused by: org.apache.flink.runtime.client.JobExecutionException: Cannot initialize task 'DataSink (CsvOutputFormat (path: hdfsgdata/logs/count, delimiter: ))': File or directory already exists. Existing files and directories are not overwritten in NO_OITE mode. Use OVERWRITE mode to overwrite existing files and directories. at org.apache.flink.runtime.executiongraph.DefaultExecutionGraphBuilder.buildGraph(DefaultExecutionGraphBuilder.java:17 at org.apache.flink.runtime.scheduler.DefaultExecutionGraphFactory.createAndRestoreExecutionGraph(DefaultExecutionGraphry.java:149) at org.apache.flink.runtime.scheduler.SchedulerBase.createAndRestoreExecutionGraph(SchedulerBase.java:363) at org.apache.flink.runtime.scheduler.SchedulerBase.<init>(SchedulerBase.java:208) at org.apache.flink.runtime.scheduler.DefaultScheduler.<init>(DefaultScheduler.java:191) at org.apache.flink.runtime.scheduler.DefaultScheduler.<init>(DefaultScheduler.java:139) at org.apache.flink.runtime.scheduler.DefaultSchedulerFactory.createInstance(DefaultSchedulerFactory.java:135) at org.apache.flink.runtime.jobmaster.DefaultSlotPoolServiceSchedulerFactory.createScheduler(DefaultSlotPoolServiceScheFactory.java:115) at org.apache.flink.runtime.jobmaster.JobMaster.createScheduler(JobMaster.java:345) at org.apache.flink.runtime.jobmaster.JobMaster.<init>(JobMaster.java:322) at org.apache.flink.runtime.jobmaster.factories.DefaultJobMasterServiceFactory.internalCreateJobMasterService(DefaultJoerServiceFactory.java:106) at org.apache.flink.runtime.jobmaster.factories.DefaultJobMasterServiceFactory.lambda$createJobMasterService$0(DefaultJterServiceFactory.java:94) at org.apache.flink.util.function.FunctionUtils.lambda$uncheckedSupplier$4(FunctionUtils.java:112) ... 4 more Caused by: java.io.IOException: File or directory already exists. Existing files and directories are not overwritten in NO_OVER mode. Use OVERWRITE mode to overwrite existing files and directories. at org.apache.flink.core.fs.FileSystem.initOutPathDistFS(FileSystem.java:995) at org.apache.flink.api.common.io.FileOutputFormat.initializeGlobal(FileOutputFormat.java:299) at org.apache.flink.runtime.jobgraph.InputOutputFormatVertex.initializeOnMaster(InputOutputFormatVertex.java:110) at org.apache.flink.runtime.executiongraph.DefaultExecutionGraphBuilder.buildGraph(DefaultExecutionGraphBuilder.java:17 ... 16 more