How to generate Context File on the R12.2 Database -Tier
  Step 1: The following environment variables must be set in order to run adbldxml.pl.   ORACLE_HOME   export ORACLE_HOME=<Physical Path, where the Oracle DB is installed>   ORACLE_SID   export ORACLE_SID=<name of the SID selected when you installed the DB>   PATH   export PATH=$ORACLE_HOME/bin:$ORACLE_HOME/perl/bin:$PATH   ORA_NLS10   export ORA_NLS10=$ORACLE_HOME/nls/data/9idata   Ensure that the LD_LIBRARY_PATH environment variable is set correctly.   PERL5LIB  needs to be set   export PERL5LIB=/u02/app/oracle/product/12.1.0/dbhome_3/perl/lib/5.16.3:/u02/app/oracle/product/12.1.0/dbhome_3/perl/lib/site_perl/5.16.3:/u02/app/oracle/product/12.1.0/dbhome_3/appsutil/perl   Finally set the TNS_ADMIN  variable to point to $ORACLE_HOME/network/admin/<SID>_<hostname> :   export TNS_ADMIN=$ORACLE_HOME/network/admin/<SID>_<hostname>   Generating DB Context file   [oracle@vtebs1-lqhjl3 bin]$ perl adbldxml.pl jtop=/u02/app/oracle/product/12.1.0/dbhome_3/j...