ZhendongBai commented on a change in pull request #3349:
URL: https://github.com/apache/hadoop/pull/3349#discussion_r699245810
##########
File path: dev-support/docker/Dockerfile
##########
@@ -18,234 +17,80 @@
# Dockerfile for installing the necessary dependencies for building Hadoop.
# See BUILDING.txt.
-FROM ubuntu:xenial
+FROM centos:7
Review comment:
@GauthamBanasandra for ubuntu, openjdk-7 not found installation
candidate, the error shows as bellow:
```
.....
ERROR [ 8/27] RUN apt-get -q update && apt-get -q install -y
--no-install-recommends openjdk-7-jdk && apt-get clean && rm -rf
/var/lib/apt/lists/*
#11 94.95 Get:20 http://archive.ubuntu.com/ubuntu xenial-backports/universe
amd64 Packages [12.7 kB]
#11 95.07 Fetched 19.4 MB in 1min 34s (205 kB/s)
#11 95.07 Reading package lists...
#11 95.99 Reading package lists...
#11 96.88 Building dependency tree...
#11 97.02 Reading state information...
#11 97.04 Package openjdk-7-jdk is not available, but is referred to by
another package.
#11 97.04 This may mean that the package is missing, has been obsoleted, or
#11 97.04 is only available from another source
#11 97.04
#11 97.04 E: Package 'openjdk-7-jdk' has no installation candidate
```
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