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https://issues.apache.org/jira/browse/FLINK-5739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhuoluo Yang resolved FLINK-5739.
---------------------------------
Resolution: Fixed
Many thanks to [~StephanEwen] for merging.
> NullPointerException in CliFrontend
> -----------------------------------
>
> Key: FLINK-5739
> URL: https://issues.apache.org/jira/browse/FLINK-5739
> Project: Flink
> Issue Type: Bug
> Components: Client
> Affects Versions: 1.3.0
> Environment: Mac OS X 10.12.2, Java 1.8.0_92-b14
> Reporter: Zhuoluo Yang
> Assignee: Zhuoluo Yang
> Labels: newbie, starter
> Fix For: 1.3.0
>
>
> I've run a simple program on a local cluster. It always fails with code
> Version: 1.3-SNAPSHOTCommit: e24a866.
> {quote}
> Zhuoluos-MacBook-Pro:build-target zhuoluo.yzl$ bin/flink run -c
> com.alibaba.blink.TableApp ~/gitlab/tableapp/target/tableapp-1.0-SNAPSHOT.jar
> Cluster configuration: Standalone cluster with JobManager at
> localhost/127.0.0.1:6123
> Using address localhost:6123 to connect to JobManager.
> JobManager web interface address http://localhost:8081
> Starting execution of program
> ------------------------------------------------------------
> The program finished with the following exception:
> java.lang.NullPointerException
> at
> org.apache.flink.client.CliFrontend.executeProgram(CliFrontend.java:845)
> at org.apache.flink.client.CliFrontend.run(CliFrontend.java:259)
> at
> org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:1076)
> at org.apache.flink.client.CliFrontend$2.call(CliFrontend.java:1123)
> at org.apache.flink.client.CliFrontend$2.call(CliFrontend.java:1120)
> at
> org.apache.flink.runtime.security.HadoopSecurityContext$1.run(HadoopSecurityContext.java:43)
> 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:1548)
> at
> org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:40)
> at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1120)
> {quote}
> I don't think there should be a NullPointerException here, even if you forgot
> the "execute()" call.
> The reproducing code looks like following:
> {code:java}
> public static void main(String[] args) throws Exception {
> ExecutionEnvironment env =
> ExecutionEnvironment.getExecutionEnvironment();
> DataSource<String> customer =
> env.readTextFile("/Users/zhuoluo.yzl/customer.tbl");
> customer.filter(new FilterFunction<String>() {
> public boolean filter(String value) throws Exception {
> return true;
> }
> })
> .writeAsText("/Users/zhuoluo.yzl/customer.txt");
> // env.execute();
> }
> {code}
> We can use *start-cluster.sh* on a *local* computer to reproduce the problem.
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