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Date: Mon, 11 Sep 2017 11:26:00 +0000 (UTC)
From: "Stas Levin (JIRA)" <jira@apache.org>
To: commits@beam.apache.org
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Subject: [jira] [Comment Edited] (BEAM-2872) AvroIO.TypedWrite#to() method
 produces a compilation error
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archived-at: Mon, 11 Sep 2017 11:26:04 -0000


    [ https://issues.apache.org/jira/browse/BEAM-2872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16161102#comment-16161102 ] 

Stas Levin edited comment on BEAM-2872 at 9/11/17 11:25 AM:
------------------------------------------------------------

[~reuvenlax] I was able to make this error go away by setting the project's SDK to JDK 1.8 in the IDE. 
If I set it back to 1.7 the error returns. 
This behavior is consistent with the earlier findings where it compiled fine using maven with the env's JDK set to 1.8 and failed to compile with the env's JDK set to 1.7.

This leads me to believe people who have JDK 1.7 set as their default JDK will not be able to successfully compile Beam at the moment.


was (Author: staslev):
[~reuvenlax] I was able to make this error go away by setting the project's SDK to JDK 1.8 in the IDE. 
If I set it back to 1.7 the error returns. 
This behavior is consistent with the earlier findings where it compiled fine using maven with the env's JDK set to 1.8 and failed to compile with the env's JDK set to 1.7.

This leads me to believe people with JDK 1.7 will not be able to successfully compile Beam at the moment.

> AvroIO.TypedWrite#to() method produces a compilation error
> ----------------------------------------------------------
>
>                 Key: BEAM-2872
>                 URL: https://issues.apache.org/jira/browse/BEAM-2872
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-core
>    Affects Versions: 2.2.0
>            Reporter: Stas Levin
>            Assignee: Reuven Lax
>
> The following code produces a compilation error when compiled using IntelliJ's {{Rebuild Project}} command, or when compiling with maven under {{Java 1.7}}:
> {code:java}
> @Experimental(Kind.FILESYSTEM)
>     public <NewDestinationT> TypedWrite<UserT, NewDestinationT, OutputT> to(
>         DynamicAvroDestinations<UserT, NewDestinationT, OutputT> dynamicDestinations) {
>       return toBuilder()
>           .setDynamicDestinations((DynamicAvroDestinations) dynamicDestinations)
>           .build();
>     }
> {code}
> {code}
> Error:(999, 17) java: incompatible types
>   required: org.apache.beam.sdk.io.AvroIO.TypedWrite<UserT,NewDestinationT,OutputT>
>   found:    org.apache.beam.sdk.io.AvroIO.TypedWrite<UserT,DestinationT,OutputT>
> {code}
> Note: setting the environment to {{Java 1.8}} and compiling with maven does not produce this error.


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