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linux sqlplus

sqlplus: error while loading shared libraries: libsqlplus.so: wrong ELF class: ELFCLASS64

This error usually while you do something wrong. Wait, what’s an error when you do everything right?

Okay, here it is:

You install the instantclient 32 rpm

oracle-instantclient12.1-sqlplus-12.1.0.2.0-1.x86_64

On that server, you switch home using oraenv

$ . oraenv
ORACLE_SID = [oracle] ? DB01
The Oracle base has been set to /u01/app/oracle

You start sqlplus

$ sqlplus -v
sqlplus: error while loading shared libraries: 
libsqlplus.so: wrong ELF class: ELFCLASS64

Oops!? what happened?

This dubious made-by-Oracle RPM package simply created a sqlplus link in BIN.

lrwxrwxrwx.  /bin/sqlplus -> /usr/lib/oracle/12.1/client/bin/sqlplus

Then, oraenv did put ORACLE_HOME at the end position

$ echo $PATH
/usr/local/bin:/usr/bin:/u01/app/oracle/product/db19c/db01/bin

Just change the PATH manually and you’ll be fine.

$ PATH=$ORACLE_HOME/bin:/usr/local/bin:/usr/bin
$ sqlplus -v

SQL*Plus: Release 19.0.0.0.0 - Production
Version 19.4.0.0.0

By Laurent Schneider

Oracle Certified Master

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