不能用yum在Fedora上安装jdk，也不能用rpm在Fedora上安装jdk

Question

救命啊！我不知道如何安装JDK！

[/usr/lib/jvm]$ su -c "yum install java-1.7.0-openjdk-devel"
Loaded plugins: langpacks, presto, refresh-packagekit
No package java-1.7.0-openjdk-devel available.
Error: Nothing to do

[/usr/lib/jvm]$ su -c "yum install java-1.7.0-openjdk"
Loaded plugins: langpacks, presto, refresh-packagekit
No package java-1.7.0-openjdk available.
Error: Nothing to do

[/usr/lib/jvm]$ su -c "yum install java-1.6.0-openjdk-devel"
Loaded plugins: langpacks, presto, refresh-packagekit
No package java-1.6.0-openjdk-devel available.
Error: Nothing to do

[/usr/lib/jvm]$ su -c "yum install java-1.6.0-openjdk"
Loaded plugins: langpacks, presto, refresh-packagekit
No package java-1.6.0-openjdk available.
Error: Nothing to do

[~]$ rpm -ivh java-1.7.0-openjdk-devel-1.7.0.19-2.3.9.3.fc20.x86_64.rpm 
error: Failed dependencies:
    java-1.7.0-openjdk = 1:1.7.0.19-2.3.9.3.fc20 is needed by java-1.7.0-openjdk-devel-1:1.7.0.19-2.3.9.3.fc20.x86_64


[~]$ sudo rpm -ivh java-1.7.0-openjdk-1.7.0.19-2.3.9.3.fc20.x86_64.rpm 
Preparing...                          ################################# [100%]
    file /usr/lib/jvm-exports/jre-1.7.0-openjdk.x86_64 from install of java-1.7.0-openjdk-1:1.7.0.19-2.3.9.3.fc20.x86_64 conflicts with file from package java-1.7.0-openjdk-1:1.7.0.9-2.3.7.0.fc18.x86_64
    file /usr/lib/jvm/jre-1.7.0-openjdk.x86_64 from install of java-1.7.0-openjdk-1:1.7.0.19-2.3.9.3.fc20.x86_64 conflicts with file from package java-1.7.0-openjdk-1:1.7.0.9-2.3.7.0.fc18.x86_64


[~]$ sudo rpm -ivh jdk-7u21-linux-x64.rpm 
Preparing...                          ################################# [100%]
    file /etc/init.d/jexec from install of jdk-2000:1.7.0_21-fcs.x86_64 conflicts with file from package jdk-2000:1.6.0_38-fcs.x86_64

以下是一些调试信息：

[/usr/lib/jvm]$ yum search jdk
Loaded plugins: langpacks, presto, refresh-packagekit
=========================================================== N/S Matched: jdk ============================================================
java-1.7.0-openjdk-javadoc.noarch : OpenJDK API Documentation
jdk.x86_64 : Java(TM) Platform Standard Edition Development Kit
ldapjdk.noarch : The Mozilla LDAP Java SDK
Name and summary matches only, use "search all" for everything.

.

[/usr/lib/jvm]$ yum list java*
Loaded plugins: langpacks, presto, refresh-packagekit
Installed Packages
java-1.5.0-gcj.x86_64   

.

[/usr/lib/jvm]$ cat /etc/fedora-release 
Fedora release 18 (Spherical Cow)

null

null

有人能帮我安装JDK1.6或java-6-openjdk吗？

Answer 1

这里的问题是，当您已经有Oracle JDK6时，您不能使用Oracle rpm来安装JDK7，因为它试图安装/etc/init.d/jexec脚本，而该脚本已经安装，并且是JDK6所必需的。

如果您要使用Oracle发行版，我建议您坚持tarball或自解压缩*.bin并使用JAVA_HOME，因为它没有这个问题，而且您可能也不需要jexec。