: Constant 100% CPU usage by oracle.exe can sometimes be caused by specific JDBC SSL driver issues or long-running BLOB queries.
: For remote clients (like SQL*Plus or OCI) to connect, you must add oracle.exe to the Windows Firewall exception list . oracle.exe
: If you encounter errors like "Protocol Adapter Error," it often means the oracle.exe service (the "bootstrap") hasn't started correctly or doesn't exist. is oracle0 in linux is the starting proces - Ask TOM : Constant 100% CPU usage by oracle