[jvm-packages] upgrade to Scala 2.12 (#4574)

* bump scala to 2.12 which requires java 8 and also newer flink and akka

* put scala version in artifactId

* fix appveyor

* fix for scaladoc issue that looks like https://github.com/scala/bug/issues/10509

* fix ci_build

* update versions in generate_pom.py

* fix generate_pom.py

* apache does not have a download for spark 2.4.3 distro using scala 2.12 yet, so for now i use a tgz i put on s3

* Upload spark-2.4.3-bin-scala2.12-hadoop2.7.tgz to our own S3

* Update Dockerfile.jvm_cross

* Update Dockerfile.jvm_cross
This commit is contained in:
koertkuipers
2019-07-16 11:43:34 -04:00
committed by Nan Zhu
parent 5544a730f1
commit 3c506b076e
12 changed files with 67 additions and 56 deletions

View File

@@ -27,14 +27,14 @@ XGBoost4J, XGBoost4J-Spark, etc. in maven repository is compiled with g++-4.8.5
```
<dependency>
<groupId>ml.dmlc</groupId>
<artifactId>xgboost4j</artifactId>
<artifactId>xgboost4j_2.12</artifactId>
<version>latest_version_num</version>
</dependency>
```
<b>sbt</b>
```sbt
"ml.dmlc" % "xgboost4j" % "latest_version_num"
"ml.dmlc" %% "xgboost4j" % "latest_version_num"
```
For the latest release version number, please check [here](https://github.com/dmlc/xgboost/releases).
@@ -68,17 +68,17 @@ the add dependency as following:
```
<dependency>
<groupId>ml.dmlc</groupId>
<artifactId>xgboost4j</artifactId>
<artifactId>xgboost4j_2.12</artifactId>
<version>latest_version_num</version>
</dependency>
```
<b>sbt</b>
```sbt
"ml.dmlc" % "xgboost4j" % "latest_version_num"
"ml.dmlc" %% "xgboost4j" % "latest_version_num"
```
For the latest release version number, please check [here](https://github.com/CodingCat/xgboost/tree/maven-repo/ml/dmlc/xgboost4j).
For the latest release version number, please check [here](https://github.com/CodingCat/xgboost/tree/maven-repo/ml/dmlc/xgboost4j_2.12).
if you want to use `xgboost4j-spark`, you just need to replace xgboost4j with `xgboost4j-spark`