While trying to install Oracle Database 12c on Solaris 11.2 the i faced the following the errors in the logs and dbca was unable to start :-
INFO: sh[2]: /usr/ccs/bin/as: not found [No such file or directory]
INFO: make: Fatal error:
INFO: *** Error code 127
The package developer/assembler comes with default installation, But Solaris 11 package developer/assembler is not installed.
To install it: –
pkg install developer/assembler
and try again.
Cheers
Osama
Technology Geek 
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