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From Stephan Ewen <se...@apache.org>
Subject Re: Build error with Flink
Date Thu, 30 Oct 2014 13:00:24 GMT
BTW: There is a discussion to bump the required version to java 7. Decision
pending...

On Thu, Oct 30, 2014 at 2:00 PM, Stephan Ewen <sewen@apache.org> wrote:

> I think it also works with openJDK 6, just not with OracleJDK 6 . The
> problem you encounter is a known bug in Oracle JDK 6, but will not be fixed
> since they stopped supporting java 6.
>
> To run it, java 6 is also fine, it is really only a limitation in the
> oracle  java 6 compiler.
>
>
> On Thu, Oct 30, 2014 at 12:47 PM, Suneel Marthi <smarthi@apache.org>
> wrote:
>
>> Scratch that. It does work with Java 7.  I think Java 7 should be made
>> mandatory??
>>
>> On Thu, Oct 30, 2014 at 7:43 AM, Suneel Marthi <suneel.marthi@gmail.com>
>> wrote:
>>
>> > I am using Java 7. This is from
>> https://github.com/apache/incubator-flink,
>> > was I looking in the wrong place ?
>> >
>> >
>> > On Thu, Oct 30, 2014 at 5:40 AM, Stephan Ewen <sewen@apache.org> wrote:
>> >
>> >> Hey Suneel!
>> >>
>> >> Which branch are you referring to?
>> >>
>> >> Also, which Java Version do you use? Java 6 (earlier versions) has some
>> >> limitations to matching generic method signatures and cannot identify
>> the
>> >> correct overriding method.
>> >>
>> >> Stephan
>> >>
>> >>
>> >> Am 30.10.2014 10:06 schrieb "Suneel Marthi" <suneel.marthi@gmail.com>:
>> >>
>> >> > Trying to build the project via 'mvn clean package', the build fails
>> >> always
>> >> > with the folllowing error:
>> >> >
>> >> > [ERROR] Failed to execute goal
>> >> > org.apache.maven.plugins:maven-compiler-plugin:3.1:compile
>> >> > (default-compile) on project flink-java: Compilation failure
>> >> > [ERROR]
>> >> >
>> >> >
>> >>
>> /Users/smarthi/opensourceprojects/incubator-flink/flink-java/src/main/java/org/apache/flink/api/java/operators/CoGroupOperator.java:[56,8]
>> >> > org.apache.flink.api.java.operators.CoGroupOperator is not abstract
>> and
>> >> > does not override abstract method
>> >> >
>> >> >
>> >>
>> translateToDataFlow(org.apache.flink.api.common.operators.Operator<IN1>,org.apache.flink.api.common.operators.Operator<IN2>)
>> >> > in org.apache.flink.api.java.operators.TwoInputOperator
>> >> >
>> >> >
>> >> > Am I missing something here?
>> >> >
>> >>
>> >
>> >
>>
>
>

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