是一个per模式运行的测试job,检查下 JobManager是正常的
基于flink1.4.0, flink集群开启了kerberos
flink-conf.yaml中已经配置过 targetDirectory目录

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 The program finished with the following exception:

org.apache.flink.util.FlinkException: Could not connect to the leading 
JobManager. Please check that the JobManager is running.
    at 
org.apache.flink.client.program.ClusterClient.getJobManagerGateway(ClusterClient.java:861)
    at 
org.apache.flink.client.program.ClusterClient.listJobs(ClusterClient.java:699)
    at org.apache.flink.client.CliFrontend.list(CliFrontend.java:439)
    at 
org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:1082)
    at org.apache.flink.client.CliFrontend$1.call(CliFrontend.java:1127)
    at org.apache.flink.client.CliFrontend$1.call(CliFrontend.java:1124)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:422)
    at 
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1781)
    at 
org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
    at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1124)
Caused by: org.apache.flink.runtime.leaderretrieval.LeaderRetrievalException: 
Could not retrieve the leader gateway.
    at 
org.apache.flink.runtime.util.LeaderRetrievalUtils.retrieveLeaderGateway(LeaderRetrievalUtils.java:79)
    at 
org.apache.flink.client.program.ClusterClient.getJobManagerGateway(ClusterClient.java:856)
    ... 10 more
Caused by: java.util.concurrent.TimeoutException: Futures timed out after 
[10000 milliseconds]
    at scala.concurrent.impl.Promise$DefaultPromise.ready(Promise.scala:223)
    at scala.concurrent.impl.Promise$DefaultPromise.result(Promise.scala:227)
    at scala.concurrent.Await$$anonfun$result$1.apply(package.scala:190)
    at 
scala.concurrent.BlockContext$DefaultBlockContext$.blockOn(BlockContext.scala:53)
    at scala.concurrent.Await$.result(package.scala:190)
    at scala.concurrent.Await.result(package.scala)
    at 
org.apache.flink.runtime.util.LeaderRetrievalUtils.retrieveLeaderGateway(LeaderRetrievalUtils.java:77)
    ... 11 more

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