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		<title>安装19c 数据库 libclntsh.so: file format not recognized</title>
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		<pubDate>Tue, 20 Apr 2021 14:21:19 +0000</pubDate>
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<p>标题：<a href="https://www.xifenfei.com/2021/04/libclntsh-so-file-format-not-recognized.html" target="_blank">安装19c 数据库 libclntsh.so: file format not recognized</a></p>
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<p>今天在qq群里面,讨论一个19c(19.3)在linux系统(CentOS 7.9)安装的问题,感觉有点意思,给整理出来供参考<br />
安装日志报错</p>
<pre class="brush: bash; title: ; notranslate">
INFO: 
/usr/bin/ld:/home/oracle/app/oracle/product/19.0.0/dbhome_1/lib//libclntsh.so: 
      file format not recognized; treating as linker script
/usr/bin/ld:/home/oracle/app/oracle/product/19.0.0/dbhome_1/lib//libclntsh.so:1: syntax error

INFO: 
make[2]: *** [dlopenlib] Error 1

INFO: 
make[2]: Leaving directory `/home/oracle/app/oracle/product/19.0.0/dbhome_1/rdbms/lib'

INFO: 
make[1]: Leaving directory `/home/oracle/app/oracle/product/19.0.0/dbhome_1/rdbms/lib'

INFO: 
make[1]: *** [/home/oracle/app/oracle/product/19.0.0/dbhome_1/lib/libasmperl19.so] Error 2

INFO: 
make: *** [libasmperl19.ohso] Error 2
</pre>
<p>拿这个错误在mos上检索,发现匹配文章:19c Installation Fails with error &#8220;libclntsh.so: file format not recognized; treating as linker script&#8221; (Doc ID 2631283.1),结合文章分析,第一反应怀疑安装介质有问题,让网友进行sha256sum 验证<br />
<a href="https://www.xifenfei.com/wp-content/uploads/2021/04/20210420215951.png"><img src="https://www.xifenfei.com/wp-content/uploads/2021/04/20210420215951.png" alt="20210420215951" width="1201" height="128" class="alignnone size-full wp-image-9174" /></a><br />
<hr />
通过验证确认安装介质没有问题,和官方公布的一致.进一步检查 ls -l  $ORACLE_HOME/libcln* 文件<br />
<a href="https://www.xifenfei.com/wp-content/uploads/2021/04/20210420220158.png"><img src="https://www.xifenfei.com/wp-content/uploads/2021/04/20210420220158.png" alt="20210420220158" width="884" height="265" class="alignnone size-full wp-image-9182" /></a><br />
<hr />
这个问题比较明显,根据官方的描述,这些文件应该是:<br />
<a href="https://www.xifenfei.com/wp-content/uploads/2021/04/20210420220835.png"><img src="https://www.xifenfei.com/wp-content/uploads/2021/04/20210420220835.png" alt="20210420220835" width="1147" height="200" class="alignnone size-full wp-image-9176" /></a><br />
<hr />
这里比较明显对应的ln丢失了.从提供的以前unzip解压日志看<br />
<a href="https://www.xifenfei.com/wp-content/uploads/2021/04/20210420221610.png"><img src="https://www.xifenfei.com/wp-content/uploads/2021/04/20210420221610.png" alt="20210420221610" width="656" height="672" class="alignnone size-full wp-image-9183" /></a><br />
<hr />
解压有这些文件,但是ln丢失,qq群朋友对unzip进行安装<br />
<a href="https://www.xifenfei.com/wp-content/uploads/2021/04/20210420221740.png"><img src="https://www.xifenfei.com/wp-content/uploads/2021/04/20210420221740.png" alt="20210420221740" width="1044" height="678" class="alignnone size-full wp-image-9178" /></a><br />
<hr />
然后重新解压oracle安装程序,验证libcln,一切正常,安装也成功<br />
<a href="https://www.xifenfei.com/wp-content/uploads/2021/04/20210420221853.png"><img src="https://www.xifenfei.com/wp-content/uploads/2021/04/20210420221853.png" alt="20210420221853" width="1169" height="270" class="alignnone size-full wp-image-9179" /></a><br />
<hr />
只可惜以前的unzip直接被安装新的unzip覆盖了,未做保留现场进行分析,为什么解压后ln丢失</p>
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