Re: /home/user/udfs.jar same question

Posted by Chiwan Park-2 on
URL: http://deprecated-apache-flink-user-mailing-list-archive.369.s1.nabble.com/home-user-udfs-jar-same-question-tp2940p2943.html

Hi Deng,

It sounds weird. In code [1], `jarFiles` parameter is defined as a varargs parameter. From this, we can omit the parameter.

Which version of Flink are you using?

Regards,
Chiwan Park

[1] https://github.com/apache/flink/blob/master/flink-java/src/main/java/org/apache/flink/api/java/ExecutionEnvironment.java#L1148

> On Sep 25, 2015, at 5:15 PM, Deng Jie <[hidden email]> wrote:
>
> Dear Chiwan,
> However, 'createRemoteEnvironment' method must specify this parameter.
>
> -- Best wishes for you
> 邓杰
> 15994846535
>
> 2015-09-25 13:42 GMT+08:00 Chiwan Park <[hidden email]>:
> Hi Deng,
>
> The jarFiles parameter of `createRemoteEnvironment` means that the path of your custom library jar. If you don’t need custom library, you can omit the parameter.
>
> Regards,
> Chiwan Park
>
> > On Sep 25, 2015, at 10:48 AM, Deng Jie <[hidden email]> wrote:
> >
> > Dear Flink org,i have same question,like:
> > public static void main(String[] args) throws Exception {
> >
> >     ExecutionEnvironment env
> > =
> >  ExecutionEnvironment
> >
> > .createRemoteEnvironment("flink-master", 6123, "/home/user/udfs.jar");
> >
> >
> >     DataSet
> > <String> data = env.readTextFile("hdfs://path/to/file");
> >
> >
> >     data
> >
> > .filter(new FilterFunction<String>() {
> >
> >
> > public boolean filter(String value) {
> >
> >
> > return value.startsWith("http://");
> >
> >
> > }
> >
> >
> > })
> >
> >
> > .writeAsText("hdfs://path/to/result");
> >
> >
> >     env
> > .execute();
> > }
> >
> > How to write the file(udfs.jar),can you give me an example?In addition,can this parameter as an option?
> >
> > -- Best wishes for you
>
>
>
>