安裝JRE (Java Runtime Environmen) - Linux

By Yedda
at 2012-04-28T21:01
at 2012-04-28T21:01
Table of Contents
我使用centos 6.2 x64
想把javac還有java都升級到1.7版
原來系統裝的都很舊
我本來去甲骨文下載jdk安裝時用 rpm -ivh jdk-7u4-linux-x64.rpm
或是rpm -Uvh jdk-7u4-linux-x64.rpm
機器一直說有檔案相衝 不給裝
後來一氣之下就跑去找到底是舊的哪個套件搞鬼
發現是 openjdk 1.6
把他拆掉再裝jdk-7u4-linux-x64.rpm
然後來看看版本 javac -version
結果是javac 1.7.0_04 很好 jdk裝成功了
接下來裝rpm -ivh jre-7u4-linux-x64.rpm
裝好之後來試試看 java -version
出現了
java version "1.5.0"
gij (GNU libgcj) version 4.4.6 20110731 (Red Hat 4.4.6-3)
Copyright (C) 2007 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
囧 怎會是GNU的java實作
我不是裝好甲骨文的jre了嗎 想請教大家
該怎麼才好 rpm怎麼沒有幫我把java聯結到我裝的jre版本
謝謝
--
想把javac還有java都升級到1.7版
原來系統裝的都很舊
我本來去甲骨文下載jdk安裝時用 rpm -ivh jdk-7u4-linux-x64.rpm
或是rpm -Uvh jdk-7u4-linux-x64.rpm
機器一直說有檔案相衝 不給裝
後來一氣之下就跑去找到底是舊的哪個套件搞鬼
發現是 openjdk 1.6
把他拆掉再裝jdk-7u4-linux-x64.rpm
然後來看看版本 javac -version
結果是javac 1.7.0_04 很好 jdk裝成功了
接下來裝rpm -ivh jre-7u4-linux-x64.rpm
裝好之後來試試看 java -version
出現了
java version "1.5.0"
gij (GNU libgcj) version 4.4.6 20110731 (Red Hat 4.4.6-3)
Copyright (C) 2007 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
囧 怎會是GNU的java實作
我不是裝好甲骨文的jre了嗎 想請教大家
該怎麼才好 rpm怎麼沒有幫我把java聯結到我裝的jre版本
謝謝
--
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Linux
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