在rhel5 64上面安装oracle10g的时候，会出现下面的错误：

准备从以下地址启动 Oracle Universal Installer /tmp/OraInstall2011-06-01_08-21-12PM. 请稍候...[oracle@iparkdb database]$ Exception in thread "main" java.lang.UnsatisfiedLinkError: /tmp/OraInstall2011-06-01_08-21-12PM/jre/1.4.2/lib/i386/libawt.so: libXp.so.6: wrong ELF class: ELFCLASS64
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(Unknown Source)
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.loadLibrary0(Unknown Source)
at java.lang.System.loadLibrary(Unknown Source)
at sun.security.action.LoadLibraryAction.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.awt.NativeLibLoader.loadLibraries(Unknown Source)
at sun.awt.DebugHelper.(Unknown Source)
at java.awt.Component.(Unknown Source

采用下面的方法，可以解决这个问题：

rpm -ivh libXp-1.0.0-8.1.el5.i386.rpm

虽然操作系统、oracle都是64位，依然要安装libXp

另外，在LD_LIBRARY_PATH中，环境变量应该为/lib:/usr/lib

ITPub博客

libawt.so: libXp.so.6: wrong ELF class: ELFCLASS64

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