..@gmail.com>
>
> 抄送: Jörn Franke <jornfra...@gmail.com>, "user@spark.apache.org" <
> user@spark.apache.org>
> 主题: Re: Java SPI jar reload in Spark
>
> I used java.util.ServiceLoader
> <https://docs.oracle.com/javase/7/docs/api/java/util/ServiceLoader.html>
alons...@gmail.com>>
抄送: Jörn Franke <jornfra...@gmail.com<mailto:jornfra...@gmail.com>>,
"user@spark.apache.org<mailto:user@spark.apache.org>"
<user@spark.apache.org<mailto:user@spark.apache.org>>
主题: Re: Java SPI jar reload in Spark
I used
java.u
s Li
发件人: Jörn Franke <jornfra...@gmail.com<mailto:jornfra...@gmail.com>>
日期: 2017年6月6日 星期二 下午5:55
至: Zhongshuang Li
<zhongshuang...@envisioncn.com<mailto:zhongshuang...@envisioncn.com>>
抄送: "user@spark.apache.org<mailto:user@spark.apache.org>"
<user@spar
日期: 2017年6月6日 星期二 下午5:55
> 至: Zhongshuang Li <zhongshuang...@envisioncn.com>
> 抄送: "user@spark.apache.org" <user@spark.apache.org>
> 主题: Re: Java SPI jar reload in Spark
>
> Why do you need jar reloading? What functionality is executed during jar
> reloading. Maybe
nvisioncn.com>>
抄送: "user@spark.apache.org<mailto:user@spark.apache.org>"
<user@spark.apache.org<mailto:user@spark.apache.org>>
主题: Re: Java SPI jar reload in Spark
Why do you need jar reloading? What functionality is executed during jar
reloading. Maybe
Why do you need jar reloading? What functionality is executed during jar
reloading. Maybe there is another way to achieve the same without jar
reloading. In fact, it might be dangerous from a functional point of view-
functionality in jar changed and all your computation is wrong.
> On 6. Jun
I have a Spark Streaming application, which dynamically calling a jar (Java
SPI), and the jar is called in a mapWithState() function, it was working fine
for a long time.
Recently, I got a requirement which required to reload the jar during runtime.
But when the reloading is completed, the spark
