我今天更新到Ubuntu 16.04，当我执行start-all.sh时，它会抛出以下内容：
This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh
/usr/local/hadoop/bin/hdfs: line 304: /usr/lib/jvm/java-7-openjdk-amd64/bin/java: No such file or directory
Starting namenodes on []
localhost: starting namenode, logging to /usr/local/hadoop/logs/hadoop-hduser-namenode-nkhl.out
localhost: /usr/local/hadoop/bin/hdfs: line 304: /usr/lib/jvm/java-7-openjdk-amd64/bin/java: No such file or directory
localhost: starting datanode, logging to /usr/local/hadoop/logs/hadoop-hduser-datanode-nkhl.out
localhost: /usr/local/hadoop/bin/hdfs: line 304: /usr/lib/jvm/java-7-openjdk-amd64/bin/java: No such file or directory
/usr/local/hadoop/bin/hdfs: line 304: /usr/lib/jvm/java-7-openjdk-amd64/bin/java: No such file or directory
starting yarn daemons
starting resourcemanager, logging to /usr/local/hadoop/logs/yarn-hduser-resourcemanager-nkhl.out
/usr/local/hadoop/bin/yarn: line 333: /usr/lib/jvm/java-7-openjdk-amd64/bin/java: No such file or directory
localhost: starting nodemanager, logging to /usr/local/hadoop/logs/yarn-hduser-nodemanager-nkhl.out
localhost: /usr/local/hadoop/bin/yarn: line 333: /usr/lib/jvm/java-7-openjdk-amd64/bin/java: No such file or directory
JPS仅显示4676 Jps。我安装了mysql，它运行得很好。
你能帮忙吗？！
无论如何，我解决了这个问题。我所要做的就是将/usr/local/hadoop/etc/hadoop/hadoop-env.sh和bashrc文件中的jdk版本更改为java-8-openjdk-amd64。
谢谢你的光临。