版权声明：一 家 之 言， 看 完 就 忘 了 吧 https://blog.csdn.net/qq724581322/article/details/82533987
摘自wiki：
Since Kettle version 5 you need Java 7 (aka 1.7), download this version from Oracle. When the right version is not found on the path (verify with java -version on a command line) you can set this within the Spoon.bat file (see the set PATH line).
Prerequisites（前提）：PDI requires the Oracle Java Runtime Environment (JRE) version 7. You can obtain a JRE for free from Oracle.
原文地址：https://wiki.pentaho.com/display/EAI/Beginners+FAQ
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本文中所指的Java Version均为ORACLE的JAVA
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