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