Chesnay Schepler created FLINK-3449:
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Summary: createInput swallows exception if TypeExtractor fails
Key: FLINK-3449
URL: https://issues.apache.org/jira/browse/FLINK-3449
Project: Flink
Issue Type: Bug
Affects Versions: 1.0.0
Reporter: Chesnay Schepler
Assignee: Chesnay Schepler
Fix For: 1.0.0
I've implemented an Inputformat that implements ResultTypeQueryable which is
used with createInput(<InputFormat>).
When getProducedType() failed i only got an InvalidProgramException, and no
mention of the original cause.
{code}
Exception in thread "main" org.apache.flink.api.common.InvalidProgramException:
The type returned by the input format could not be automatically determined.
Please specify the TypeInformation of the produced type explicitly by using the
'createInput(InputFormat, TypeInformation)' method instead.
at
org.apache.flink.api.java.ExecutionEnvironment.createInput(ExecutionEnvironment.java:555)
at
org.apache.flink.api.java.io.jdbc.example.JDBCExample.main(JDBCExample.java:43)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)
{code}
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