Flink error2:Linux集群报错1

Cannot run program "python": error=2, No such file or directory

org.apache.flink.client.program.ProgramAbortException: java.io.IOException: Cannot run program "python": error=2, No such file or directory
        at org.apache.flink.client.python.PythonDriver.main(PythonDriver.java:140)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:355)
        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:812)
        at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:246)
        at org.apache.flink.client.cli.CliFrontend.parseAndRun(CliFrontend.java:1054)
        at org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:1132)
        at java.base/java.security.AccessController.doPrivileged(Native Method)
        at java.base/javax.security.auth.Subject.doAs(Subject.java:423)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1836)
        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.io.IOException: Cannot run program "python": error=2, No such file or directory

解决

1. python命令没有执行

1. 查询到python3位置

root@redis01:~# whereis python3

1. 建立一个同步的链接

# 切换到目录/usr/bin下建立连接 sudo ln -s 源文件 目标文件
root@redis01:/usr/bin# sudo ln -s python3 python

1. 执行python，就可以访问了python3了