Oracle 11g 安装的诡异问题

RHEL5上无论是repsonse文件还是界面安装，安装程序进读条卡在60%处。错误日志如下：

java.lang.NullPointerException
at oracle.sysman.oii.oiin.OiinNetOps.addNICInfo(OiinNetOps.java:143)
at oracle.sysman.oii.oiin.OiinNetOps.computeNICList(OiinNetOps.java:108)
at oracle.sysman.oii.oiin.OiinNetOps.<init>(OiinNetOps.java:75)
at oracle.sysman.oii.oiin.OiinNetOps.getNetOps(OiinNetOps.java:89)
at oracle.sysman.oii.oiif.oiifw.OiifwHostNameWCDE.initialize(OiifwHostNameWCDE.java:111)
at oracle.sysman.oii.oiif.oiifb.OiifbCondIterator.iterate(OiifbCondIterator.java:152)
at oracle.sysman.oii.oiic.OiicDepWizEngine.doOperation(OiicDepWizEngine.java:424)
at oracle.sysman.oii.oiif.oiifb.OiifbCondIterator.iterate(OiifbCondIterator.java:171)
at oracle.sysman.oii.oiic.OiicPullSession.doOperation(OiicPullSession.java:1273)
at oracle.sysman.oii.oiic.OiicSessionWrapper.doOperation(OiicSessionWrapper.java:289)
at oracle.sysman.oii.oiic.OiicInstaller.run(OiicInstaller.java:546)
at oracle.sysman.oii.oiic.OiicInstaller.runInstaller(OiicInstaller.java:929)
at oracle.sysman.oii.oiic.OiicInstaller.main(OiicInstaller.java:866)

后来查阅 https://forums.oracle.com/forums/thread.jspa?threadID=950740 发现是主机名的问题，改回默认主机名

hostname localhost.localdomain

后，再次安装就成功了。