【Flink】flink执行jar报错:java.io.IOException: Error opening the Input Split file 或者 java.io.FileNotFoundException
报错内容
flink执行jar时,报如下错误:
org.apache.flink.client.program.ProgramInvocationException: Job failed. (JobID: b67d4b36791bb6d1be532323b4f77162)
at org.apache.flink.client.program.rest.RestClusterClient.submitJob(RestClusterClient.java:268)
at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:486)
at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:474)
at org.apache.flink.client.program.ContextEnvironment.execute(ContextEnvironment.java:62)
at org.apache.flink.api.java.ExecutionEnvironment.execute(ExecutionEnvironment.java:816)
at org.apache.flink.api.java.DataSet.collect(DataSet.java:413)
at org.apache.flink.api.java.DataSet.print(DataSet.java:1652)
at org.apache.flink.examples.java.wordcount.WordCount.main(WordCount.java:88)
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:529)
at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:421)
at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:426)
at org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:816)
at org.apache.flink.client.cli.CliFrontend.runProgram(CliFrontend.java:290)
at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:216)
at org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:1053)
at org.apache.flink.client.cli.CliFrontend.lambda$main$11(CliFrontend.java:1129)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1836)
at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1129)
Caused by: org.apache.flink.runtime.client.JobExecutionException: Job execution failed.
at org.apache.flink.runtime.jobmaster.JobResult.toJobExecutionResult(JobResult.java:146)
at org.apache.flink.client.program.rest.RestClusterClient.submitJob(RestClusterClient.java:265)
... 24 more
Caused by: java.io.IOException: Error opening the Input Split file:/opt/module/logs/student.txt [0,144]: /opt/module/logs/student.txt (没有那个文件或目录)
at org.apache.flink.api.common.io.FileInputFormat.open(FileInputFormat.java:824)
at org.apache.flink.api.common.io.DelimitedInputFormat.open(DelimitedInputFormat.java:470)
at org.apache.flink.api.common.io.DelimitedInputFormat.open(DelimitedInputFormat.java:47)
at org.apache.flink.runtime.operators.DataSourceTask.invoke(DataSourceTask.java:170)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:711)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.FileNotFoundException: /opt/module/logs/student.txt (没有那个文件或目录)
at java.io.FileInputStream.open0(Native Method)
at java.io.FileInputStream.open(FileInputStream.java:195)
at java.io.FileInputStream.<init>(FileInputStream.java:138)
at org.apache.flink.core.fs.local.LocalDataInputStream.<init>(LocalDataInputStream.java:50)
at org.apache.flink.core.fs.local.LocalFileSystem.open(LocalFileSystem.java:142)
at org.apache.flink.api.common.io.FileInputFormat$InputSplitOpenThread.run(FileInputFormat.java:996)
问题原因
- 输入路径确实不存在该文件;
- 输入路径的文件并不在flink集群的TaskManager上,而放在了JobManager节点上了。
解决方式
- 对于不存在的文件,修改为有该文件的路径;
- 如果flink输入文件的是本地文件,则需要将该文件放在TaskManager节点上(即slaves节点);
作者:ShadowFiend
出处:http://www.cnblogs.com/ShadowFiend/
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