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From "Kostas Kloudas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-4224) Exception after successful execution os job submitted through the web interface.
Date Sat, 16 Jul 2016 15:19:20 GMT

     [ https://issues.apache.org/jira/browse/FLINK-4224?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kostas Kloudas updated FLINK-4224:
----------------------------------
    Summary: Exception after successful execution os job submitted through the web interface.
 (was: Exception after successful execution when submitting job through the web interface.)

> Exception after successful execution os job submitted through the web interface.
> --------------------------------------------------------------------------------
>
>                 Key: FLINK-4224
>                 URL: https://issues.apache.org/jira/browse/FLINK-4224
>             Project: Flink
>          Issue Type: Bug
>    Affects Versions: 1.1.0
>            Reporter: Kostas Kloudas
>
> When submitting the job below through the web interface to a local flink cluster:
> {code}
> public static void main(String[] args) throws Exception {
> 		StreamExecutionEnvironment env =
>                       SreamExecutionEnvironment.getExecutionEnvironment();
> 		TextInputFormat inputFormat = 
>                          new TextInputFormat(new Path("file:///YOUR_TEXT_FILE"));
> 		DataStream<Tuple2<String, Integer>> input = env.
> 				readFile(inputFormat,inputFormat.getFilePath().toString()).
> 				flatMap(new Tokenizer()).
> 				keyBy(0).
> 				sum(1);
> 		input.print();
> 		env.execute("WebClient Testing Example.");
> 	}
> {code}
> The job succeeds, but at the logs there is a NPE: 
> {code} 2016-07-16 16:56:18,197 WARN  org.apache.flink.runtime.webmonitor.RuntimeMonitorHandler
    - 
>          Error while handling request java.lang.RuntimeException: 
>                  Couldn't deserialize ExecutionConfig.
> ...
> Caused by: java.lang.NullPointerException at org.apache.flink.util.SerializedValue.deserializeValue(SerializedValue.java:55)
at org.apache.flink.runtime.webmonitor.handlers.JobConfigHandler.handleRequest(JobConfigHandler.java:50)
> {code}



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