I think that’s good idea! — Chiwan Park (Sent with iPhone)
> On Oct 26, 2014, at 5:10 PM, Robert Metzger <[email protected]> wrote: > > I personally think that one of the most important goals of our project is > to get new users trying it out. Therefore, we need to avoid any possible > entry barrier. > Sadly, it seems that people (in particular companies) are still using Java > 6, even though its not being maintained anymore and potentially insecure. > I don't think our project is in a position to convince people (again, > companies ;) ) to switch to a more up-to-date java version. The thing with > Java 6 is kind of a chicken-and-egg dilemma and in an ideal world, we > should make a bold move to finally get rid of java 6. > > I would suggest to add a little check to the JobManager startup process and > print a WARN message for Java 6 users, that we are planning to drop Java 6 > support soon. This way, we allow Java 6 user to try out Flink and at the > same time give them another reason to move to 7. > > > On Fri, Oct 24, 2014 at 9:07 PM, Henry Saputra <[email protected]> > wrote: > >> Also just saw that Java 7 EOL is in about 6 months [1] >> >> >> [1] http://www.oracle.com/technetwork/java/eol-135779.html >> >> On Thu, Oct 23, 2014 at 5:03 AM, Stephan Ewen <[email protected]> wrote: >>> I know of a few companies who made the move away from java 6 just in the >>> last weeks or months. >>> >>> I would vote to delay the bump till end of the year. >>> Am 22.10.2014 22:39 schrieb "Daniel Warneke" <[email protected]>: >>> >>>> Hi, >>>> >>>> I would also be in favor of dropping Java 6 support. In my opinion, >> Java 7 >>>> is the standard these days. All of the three big Hadoop distributions >> also >>>> already consider Java 6 as deprecated for their latest releases [1,2,3]. >>>> >>>> Best regards, >>>> >>>> Daniel >>>> >>>> [1] >> http://www.cloudera.com/content/cloudera/en/documentation/cdh5/latest/ >>>> CDH5-Requirements-and-Supported-Versions/cdhrsv_jdk.html >>>> [2] http://doc.mapr.com/display/MapR/JDK+Support+Matrix >>>> [3] http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.1- >>>> >> latest/bk_installing_manually_book/content/rpm-chap1-2.html#rpm-chap1-2-3 >>>> >>>> Am 22.10.2014 21:35, schrieb Aljoscha Krettek: >>>> >>>>> One of the reasons is that Scala was not very well known when the >>>>> project started. That was around 2009. (Correct me if I'm wrong here, >>>>> please) The more important reason is that we try to have efficient >>>>> algorithms and memory management. This is easier to achieve in a >>>>> language like Java that is relatively low-level compared to Scala. >>>>> Scala makes it easy to write concise code that get's compiled to >>>>> inefficient code. >>>>> >>>>> just my 2 cents... >>>>> >>>>> On Wed, Oct 22, 2014 at 9:23 PM, Mohit Singh <[email protected]> >> wrote: >>>>> >>>>>> While I just just joined the community, so I am yet to be aware of the >>>>>> internals of Flink but I am already liking the feature enhancements in >>>>>> Java >>>>>> 7 (type inferences, try-with-resources, diamond operator comes to my >>>>>> mind). >>>>>> >>>>>> A digressing question, and I am sure this has would have been debated >>>>>> extensively so pardon for bringing this up again.., but how did we >> chose >>>>>> between java and scala? >>>>>> >>>>>> >>>>>> On Wed, Oct 22, 2014 at 10:53 AM, Henry Saputra < >> [email protected] >>>>>>> >>>>>> wrote: >>>>>> >>>>>> HI Guys, >>>>>>> >>>>>>> I am wondering what do you guys think if we make Flink requires Java7 >>>>>>> for both compile and runtime? >>>>>>> >>>>>>> Several reasons why I am proposing this: >>>>>>> 1. Java6 has reached end of life as announced by Oracle. We have seen >>>>>>> compile error happening with some versions of Java 6 >>>>>>> 2. Flink is just starting and hence have more flexibility to move to >>>>>>> Java 7 >>>>>>> 3. Flink does not have compile dependencies that requires Java 6 >>>>>>> 4. Java 7 enhancements: >>>>>>> >> http://www.oracle.com/technetwork/java/javase/jdk7-relnotes-418459.html >>>>>>> >>>>>>> >>>>>>> Let me know what do you guys think. >>>>>>> >>>>>>> - Henry >>>>>>> >>>>>>> >>>>>> >>>>>> -- >>>>>> Mohit >>>>>> >>>>>> "When you want success as badly as you want the air, then you will get >>>>>> it. >>>>>> There is no other secret of success." >>>>>> -Socrates >>>>>> >>>>> >>>> >>
