JDK 下载失败是什么原因？

bash ./get_source.sh 
# Repositories:  jaxp jaxws langtools jdk hotspot 

                 jaxp:   hg clone http://hg.openjdk.java.net/jdk8/jdk8/jaxp jaxp
                jaxws:   hg clone http://hg.openjdk.java.net/jdk8/jdk8/jaxws jaxws
                 jaxp:   requesting all changes
                jaxws:   requesting all changes
                jaxws:   adding changesets
Waiting 5 secs before spawning next background command.
                 jaxp:   adding changesets
                 jaxp:   adding manifests
            langtools:   hg clone http://hg.openjdk.java.net/jdk8/jdk8/langtools langtools
                  jdk:   hg clone http://hg.openjdk.java.net/jdk8/jdk8/jdk jdk
                jaxws:   adding manifests
                  jdk:   requesting all changes
            langtools:   requesting all changes
                  jdk:   adding changesets
Waiting 5 secs before spawning next background command.
            langtools:   adding changesets
              hotspot:   hg clone http://hg.openjdk.java.net/jdk8/jdk8/hotspot hotspot
              hotspot:   requesting all changes
                 jaxp:   adding file changes
              hotspot:   adding changesets
            langtools:   adding manifests
                jaxws:   adding file changes
              hotspot:   adding manifests
                  jdk:   adding manifests
            langtools:   adding file changes
                jaxws:   transaction abort!
                jaxws:   rollback completed
                jaxws:   abort: stream ended unexpectedly (got 12 bytes, expected 80)
              hotspot:   adding file changes
            langtools:   added 2255 changesets with 20630 changes to 6951 files
            langtools:   updating to branch default
            langtools:   6171 files updated, 0 files merged, 0 files removed, 0 files unresolved
                 jaxp:   added 585 changesets with 6288 changes to 4230 files
                 jaxp:   updating to branch default
                 jaxp:   2078 files updated, 0 files merged, 0 files removed, 0 files unresolved
              hotspot:   added 5821 changesets with 34543 changes to 5035 files
              hotspot:   updating to branch default
              hotspot:   4153 files updated, 0 files merged, 0 files removed, 0 files unresolved
                  jdk:   transaction abort!
                  jdk:   rollback completed
                  jdk:   abort: stream ended unexpectedly (got 4587 bytes, expected 17338)
WARNING: /tmp/forest.2214/jaxws.pid.rc exited abnormally.
WARNING: /tmp/forest.2214/jdk.pid.rc exited abnormally.
http://download.java.net/openjdk/jdk8 也下不了出现这个 http://www.oracle.com/splash/java.net/index.html