Github user rmetzger commented on the pull request:
https://github.com/apache/flink/pull/1338#issuecomment-156432901
I think we need to improve a bit on the error messages.
This is what I got for submitting a job without arguments on the web
interface:
```
Error in invoking the program:
org.apache.flink.api.java.ExecutionEnvironment.createProgramPlan(ExecutionEnvironment.java:929)
org.apache.flink.api.java.ExecutionEnvironment.createProgramPlan(ExecutionEnvironment.java:908)
org.apache.flink.client.program.OptimizerPlanEnvironment.execute(OptimizerPlanEnvironment.java:47)
org.apache.flink.api.scala.ExecutionEnvironment.execute(ExecutionEnvironment.scala:627)
com.dataartisans.Job$.main(Job.scala:69)
com.dataartisans.Job.main(Job.scala)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:606)
org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:497)
org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:395)
org.apache.flink.client.program.OptimizerPlanEnvironment.getOptimizedPlan(OptimizerPlanEnvironment.java:80)
org.apache.flink.client.program.Client.getOptimizedPlan(Client.java:218)
org.apache.flink.runtime.webmonitor.handlers.JarActionHandler.handleRequest(JarActionHandler.java:117)
```
Starting the same in the IDE will lead to:
```
Exception in thread "main" java.lang.RuntimeException: No data for required
key 'input'
at
org.apache.flink.api.java.utils.ParameterTool.getRequired(ParameterTool.java:236)
at com.dataartisans.JobWithoutTrigger$.main(JobWithoutTrigger.scala:36)
at com.dataartisans.JobWithoutTrigger.main(JobWithoutTrigger.scala)
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:497)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)
Process finished with exit code 1
```
It seems you are cutting away the wrong part of the stack trace
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