diff --git a/CHANGES b/CHANGES
index 009cf13..7bb653d 100644
--- a/CHANGES
+++ b/CHANGES
@@ -8,6 +8,9 @@
 
   TASKS
 
+    TAJO-2145: Error codes based on errno.h need prefix.
+    (Jongyoung Park via hyunsik)
+
     TAJO-2142: Temporarily disable NOT IN subquery. (jihoon)
 
   BUG FIXES
diff --git a/tajo-common/src/main/proto/errors.proto b/tajo-common/src/main/proto/errors.proto
index fc69c4e..a6a10cd 100644
--- a/tajo-common/src/main/proto/errors.proto
+++ b/tajo-common/src/main/proto/errors.proto
@@ -203,140 +203,139 @@
 
 
   // underlying system errors based on errno.h.
-  EPERM                         = 10001;  // Operation not permitted
-  ENOENT                        = 10002;  // No such file or directory
-  ESRCH                         = 10003;  // No such process
-  EINTR                         = 10004;  // Interrupted system call
-  EIO                           = 10005;  // I/O error
-  ENXIO                         = 10006;  // No such device or address
-  E2BIG                         = 10007;  // Argument list too long
-  ENOEXEC                       = 10008;  // Exec format error
-  EBADF                         = 10009;  // Bad file number
-  ECHILD                        = 10010;  // No child processes
-  EAGAIN                        = 10011;  // Try again
-  ENOMEM                        = 10012;  // Out of memory
-  EACCES                        = 10013;  // Permission denied
-  EFAULT                        = 10014;  // Bad address
-  ENOTBLK                       = 10015;  // Block device required
-  EBUSY                         = 10016;  // Device or resource busy
-  EEXIST                        = 10017;  // File exists
-  EXDEV                         = 10018;  // Cross-device link
-  ENODEV                        = 10019;  // No such device
-  ENOTDIR                       = 10020;  // Not a directory
-  EISDIR                        = 10021;  // Is a directory
-  EINVAL                        = 10022;  // Invalid argument
-  ENFILE                        = 10023;  // File table overflow
-  EMFILE                        = 10024;  // Too many open files
-  ENOTTY                        = 10025;  // Not a typewriter
-  ETXTBSY                       = 10026;  // Text file busy
-  EFBIG                         = 10027;  // File too large
-  ENOSPC                        = 10028;  // No space left on device
-  ESPIPE                        = 10029;  // Illegal seek
-  EROFS                         = 10030;  // Read-only file system
-  EMLINK                        = 10031;  // Too many links
-  EPIPE                         = 10032;  // Broken pipe
-  EDOM                          = 10033;  // Math argument out of domain of func
-  ERANGE                        = 10034;  // Math result not representable
-;
-  EDEADLK                       = 10035;  // Resource deadlock would occur
-  ENAMETOOLONG                  = 10036;  // File name too long
-  ENOLCK                        = 10037;  // No record locks available
-  ENOSYS                        = 10038;  // Function not implemented
-  ENOTEMPTY                     = 10039;  // Directory not empty
-  ELOOP                         = 10040;  // Too many symbolic links encountered
+  SYS_EPERM                         = 10001;  // Operation not permitted
+  SYS_ENOENT                        = 10002;  // No such file or directory
+  SYS_ESRCH                         = 10003;  // No such process
+  SYS_EINTR                         = 10004;  // Interrupted system call
+  SYS_EIO                           = 10005;  // I/O error
+  SYS_ENXIO                         = 10006;  // No such device or address
+  SYS_E2BIG                         = 10007;  // Argument list too long
+  SYS_ENOEXEC                       = 10008;  // Exec format error
+  SYS_EBADF                         = 10009;  // Bad file number
+  SYS_ECHILD                        = 10010;  // No child processes
+  SYS_EAGAIN                        = 10011;  // Try again
+  SYS_ENOMEM                        = 10012;  // Out of memory
+  SYS_EACCES                        = 10013;  // Permission denied
+  SYS_EFAULT                        = 10014;  // Bad address
+  SYS_ENOTBLK                       = 10015;  // Block device required
+  SYS_EBUSY                         = 10016;  // Device or resource busy
+  SYS_EEXIST                        = 10017;  // File exists
+  SYS_EXDEV                         = 10018;  // Cross-device link
+  SYS_ENODEV                        = 10019;  // No such device
+  SYS_ENOTDIR                       = 10020;  // Not a directory
+  SYS_EISDIR                        = 10021;  // Is a directory
+  SYS_EINVAL                        = 10022;  // Invalid argument
+  SYS_ENFILE                        = 10023;  // File table overflow
+  SYS_EMFILE                        = 10024;  // Too many open files
+  SYS_ENOTTY                        = 10025;  // Not a typewriter
+  SYS_ETXTBSY                       = 10026;  // Text file busy
+  SYS_EFBIG                         = 10027;  // File too large
+  SYS_ENOSPC                        = 10028;  // No space left on device
+  SYS_ESPIPE                        = 10029;  // Illegal seek
+  SYS_EROFS                         = 10030;  // Read-only file system
+  SYS_EMLINK                        = 10031;  // Too many links
+  SYS_EPIPE                         = 10032;  // Broken pipe
+  SYS_EDOM                          = 10033;  // Math argument out of domain of func
+  SYS_ERANGE                        = 10034;  // Math result not representable
+  SYS_EDEADLK                       = 10035;  // Resource deadlock would occur
+  SYS_ENAMETOOLONG                  = 10036;  // File name too long
+  SYS_ENOLCK                        = 10037;  // No record locks available
+  SYS_ENOSYS                        = 10038;  // Function not implemented
+  SYS_ENOTEMPTY                     = 10039;  // Directory not empty
+  SYS_ELOOP                         = 10040;  // Too many symbolic links encountered
   // EWOULDBLOCK                = EAGAIN  // Operation would block
-  ENOMSG                        = 10042;  // No message of desired type
-  EIDRM                         = 10043;  // Identifier removed
-  ECHRNG                        = 10044;  // Channel number out of range
-  EL2NSYNC                      = 10045;  // Level 2 not synchronized
-  EL3HLT                        = 10046;  // Level 3 halted
-  EL3RST                        = 10047;  // Level 3 reset
-  ELNRNG                        = 10048;  // Link number out of range
-  EUNATCH                       = 10049;  // Protocol driver not attached
-  ENOCSI                        = 10050;  // No CSI structure available
-  EL2HLT                        = 10051;  // Level 2 halted
-  EBADE                         = 10052;  // Invalid exchange
-  EBADR                         = 10053;  // Invalid request descriptor
-  EXFULL                        = 10054;  // Exchange full
-  ENOANO                        = 10055;  // No anode
-  EBADRQC                       = 10056;  // Invalid request code
-  EBADSLT                       = 10057;  // Invalid slot
+  SYS_ENOMSG                        = 10042;  // No message of desired type
+  SYS_EIDRM                         = 10043;  // Identifier removed
+  SYS_ECHRNG                        = 10044;  // Channel number out of range
+  SYS_EL2NSYNC                      = 10045;  // Level 2 not synchronized
+  SYS_EL3HLT                        = 10046;  // Level 3 halted
+  SYS_EL3RST                        = 10047;  // Level 3 reset
+  SYS_ELNRNG                        = 10048;  // Link number out of range
+  SYS_EUNATCH                       = 10049;  // Protocol driver not attached
+  SYS_ENOCSI                        = 10050;  // No CSI structure available
+  SYS_EL2HLT                        = 10051;  // Level 2 halted
+  SYS_EBADE                         = 10052;  // Invalid exchange
+  SYS_EBADR                         = 10053;  // Invalid request descriptor
+  SYS_EXFULL                        = 10054;  // Exchange full
+  SYS_ENOANO                        = 10055;  // No anode
+  SYS_EBADRQC                       = 10056;  // Invalid request code
+  SYS_EBADSLT                       = 10057;  // Invalid slot
   // EDEADLOCK                  = EDEADLK
-  EBFONT                        = 10059;  // Bad font file format
-  ENOSTR                        = 10060;  // Device not a stream
-  ENODATA                       = 10061;  // No data available
-  ETIME                         = 10062;  // Timer expired
-  ENOSR                         = 10063;  // Out of streams resources
-  ENONET                        = 10064;  // Machine is not on the network
-  ENOPKG                        = 10065;  // Package not installed
-  EREMOTE                       = 10066;  // Object is remote
-  ENOLINK                       = 10067;  // Link has been severed
-  EADV                          = 10068;  // Advertise error
-  ESRMNT                        = 10069;  // Srmount error
-  ECOMM                         = 10070;  // Communication error on send
-  EPROTO                        = 10071;  // Protocol error
-  EMULTIHOP                     = 10072;  // Multihop attempted
-  EDOTDOT                       = 10073;  // RFS specific error
-  EBADMSG                       = 10074;  // Not a data message
-  EOVERFLOW                     = 10075;  // Value too large for defined data type
-  ENOTUNIQ                      = 10076;  // Name not unique on network
-  EBADFD                        = 10077;  // File descriptor in bad state
-  EREMCHG                       = 10078;  // Remote address changed
-  ELIBACC                       = 10079;  // Can not access a needed shared library
-  ELIBBAD                       = 10080;  // Accessing a corrupted shared library
-  ELIBSCN                       = 10081;  // .lib section in a.out corrupted
-  ELIBMAX                       = 10082;  // Attempting to link in too many shared libraries
-  ELIBEXEC                      = 10083;  // Cannot exec a shared library directly
-  EILSEQ                        = 10084;  // Illegal byte sequence
-  ERESTART                      = 10085;  // Interrupted system call should be restarted
-  ESTRPIPE                      = 10086;  // Streams pipe error
-  EUSERS                        = 10087;  // Too many users
-  ENOTSOCK                      = 10088;  // Socket operation on non-socket
-  EDESTADDRREQ                  = 10089;  // Destination address required
-  EMSGSIZE                      = 10090;  // Message too long
-  EPROTOTYPE                    = 10091;  // Protocol wrong type for socket
-  ENOPROTOOPT                   = 10092;  // Protocol not available
-  EPROTONOSUPPORT               = 10093;  // Protocol not supported
-  ESOCKTNOSUPPORT               = 10094;  // Socket type not supported
-  EOPNOTSUPP                    = 10095;  // Operation not supported on transport endpoint
-  EPFNOSUPPORT                  = 10096;  // Protocol family not supported
-  EAFNOSUPPORT                  = 10097;  // Address family not supported by protocol
-  EADDRINUSE                    = 10098;  // Address already in use
-  EADDRNOTAVAIL                 = 10099;  // Cannot assign requested address
-  ENETDOWN                      = 10100; // Network is down
-  ENETUNREACH                   = 10101; // Network is unreachable
-  ENETRESET                     = 10102; // Network dropped connection because of reset
-  ECONNABORTED                  = 10103; // Software caused connection abort
-  ECONNRESET                    = 10104; // Connection reset by peer
-  ENOBUFS                       = 10105; // No buffer space available
-  EISCONN                       = 10106; // Transport endpoint is already connected
-  ENOTCONN                      = 10107; // Transport endpoint is not connected
-  ESHUTDOWN                     = 10108; // Cannot send after transport endpoint shutdown
-  ETOOMANYREFS                  = 10109; // Too many references: cannot splice
-  ETIMEDOUT                     = 10110; // Connection timed out
-  ECONNREFUSED                  = 10111; // Connection refused
-  EHOSTDOWN                     = 10112; // Host is down
-  EHOSTUNREACH                  = 10113; // No route to host
-  EALREADY                      = 10114; // Operation already in progress
-  EINPROGRESS                   = 10115; // Operation now in progress
-  ESTALE                        = 10116; // Stale NFS file handle
-  EUCLEAN                       = 10117; // Structure needs cleaning
-  ENOTNAM                       = 10118; // Not a XENIX named type file
-  ENAVAIL                       = 10119; // No XENIX semaphores available
-  EISNAM                        = 10120; // Is a named type file
-  EREMOTEIO                     = 10121; // Remote I/O error
-  EDQUOT                        = 10122; // Quota exceeded
-  ENOMEDIUM                     = 10123; // No medium found
-  EMEDIUMTYPE                   = 10124; // Wrong medium type
-  ECANCELED                     = 10125; // Operation Canceled
-  ENOKEY                        = 10126; // Required key not available
-  EKEYEXPIRED                   = 10127; // Key has expired
-  EKEYREVOKED                   = 10128; // Key has been revoked
-  EKEYREJECTED                  = 10129; // Key was rejected by service
+  SYS_EBFONT                        = 10059;  // Bad font file format
+  SYS_ENOSTR                        = 10060;  // Device not a stream
+  SYS_ENODATA                       = 10061;  // No data available
+  SYS_ETIME                         = 10062;  // Timer expired
+  SYS_ENOSR                         = 10063;  // Out of streams resources
+  SYS_ENONET                        = 10064;  // Machine is not on the network
+  SYS_ENOPKG                        = 10065;  // Package not installed
+  SYS_EREMOTE                       = 10066;  // Object is remote
+  SYS_ENOLINK                       = 10067;  // Link has been severed
+  SYS_EADV                          = 10068;  // Advertise error
+  SYS_ESRMNT                        = 10069;  // Srmount error
+  SYS_ECOMM                         = 10070;  // Communication error on send
+  SYS_EPROTO                        = 10071;  // Protocol error
+  SYS_EMULTIHOP                     = 10072;  // Multihop attempted
+  SYS_EDOTDOT                       = 10073;  // RFS specific error
+  SYS_EBADMSG                       = 10074;  // Not a data message
+  SYS_EOVERFLOW                     = 10075;  // Value too large for defined data type
+  SYS_ENOTUNIQ                      = 10076;  // Name not unique on network
+  SYS_EBADFD                        = 10077;  // File descriptor in bad state
+  SYS_EREMCHG                       = 10078;  // Remote address changed
+  SYS_ELIBACC                       = 10079;  // Can not access a needed shared library
+  SYS_ELIBBAD                       = 10080;  // Accessing a corrupted shared library
+  SYS_ELIBSCN                       = 10081;  // .lib section in a.out corrupted
+  SYS_ELIBMAX                       = 10082;  // Attempting to link in too many shared libraries
+  SYS_ELIBEXEC                      = 10083;  // Cannot exec a shared library directly
+  SYS_EILSEQ                        = 10084;  // Illegal byte sequence
+  SYS_ERESTART                      = 10085;  // Interrupted system call should be restarted
+  SYS_ESTRPIPE                      = 10086;  // Streams pipe error
+  SYS_EUSERS                        = 10087;  // Too many users
+  SYS_ENOTSOCK                      = 10088;  // Socket operation on non-socket
+  SYS_EDESTADDRREQ                  = 10089;  // Destination address required
+  SYS_EMSGSIZE                      = 10090;  // Message too long
+  SYS_EPROTOTYPE                    = 10091;  // Protocol wrong type for socket
+  SYS_ENOPROTOOPT                   = 10092;  // Protocol not available
+  SYS_EPROTONOSUPPORT               = 10093;  // Protocol not supported
+  SYS_ESOCKTNOSUPPORT               = 10094;  // Socket type not supported
+  SYS_EOPNOTSUPP                    = 10095;  // Operation not supported on transport endpoint
+  SYS_EPFNOSUPPORT                  = 10096;  // Protocol family not supported
+  SYS_EAFNOSUPPORT                  = 10097;  // Address family not supported by protocol
+  SYS_EADDRINUSE                    = 10098;  // Address already in use
+  SYS_EADDRNOTAVAIL                 = 10099;  // Cannot assign requested address
+  SYS_ENETDOWN                      = 10100; // Network is down
+  SYS_ENETUNREACH                   = 10101; // Network is unreachable
+  SYS_ENETRESET                     = 10102; // Network dropped connection because of reset
+  SYS_ECONNABORTED                  = 10103; // Software caused connection abort
+  SYS_ECONNRESET                    = 10104; // Connection reset by peer
+  SYS_ENOBUFS                       = 10105; // No buffer space available
+  SYS_EISCONN                       = 10106; // Transport endpoint is already connected
+  SYS_ENOTCONN                      = 10107; // Transport endpoint is not connected
+  SYS_ESHUTDOWN                     = 10108; // Cannot send after transport endpoint shutdown
+  SYS_ETOOMANYREFS                  = 10109; // Too many references: cannot splice
+  SYS_ETIMEDOUT                     = 10110; // Connection timed out
+  SYS_ECONNREFUSED                  = 10111; // Connection refused
+  SYS_EHOSTDOWN                     = 10112; // Host is down
+  SYS_EHOSTUNREACH                  = 10113; // No route to host
+  SYS_EALREADY                      = 10114; // Operation already in progress
+  SYS_EINPROGRESS                   = 10115; // Operation now in progress
+  SYS_ESTALE                        = 10116; // Stale NFS file handle
+  SYS_EUCLEAN                       = 10117; // Structure needs cleaning
+  SYS_ENOTNAM                       = 10118; // Not a XENIX named type file
+  SYS_ENAVAIL                       = 10119; // No XENIX semaphores available
+  SYS_EISNAM                        = 10120; // Is a named type file
+  SYS_EREMOTEIO                     = 10121; // Remote I/O error
+  SYS_EDQUOT                        = 10122; // Quota exceeded
+  SYS_ENOMEDIUM                     = 10123; // No medium found
+  SYS_EMEDIUMTYPE                   = 10124; // Wrong medium type
+  SYS_ECANCELED                     = 10125; // Operation Canceled
+  SYS_ENOKEY                        = 10126; // Required key not available
+  SYS_EKEYEXPIRED                   = 10127; // Key has expired
+  SYS_EKEYREVOKED                   = 10128; // Key has been revoked
+  SYS_EKEYREJECTED                  = 10129; // Key was rejected by service
 
   // for robust mutexes
-  EOWNERDEAD                    = 10130; // Owner died
-  ENOTRECOVERABLE               = 10131; // State not recoverable
+  SYS_EOWNERDEAD                    = 10130; // Owner died
+  SYS_ENOTRECOVERABLE               = 10131; // State not recoverable
 }
 
 message SerializedException {