ORA-09847: soacon: ARCH unable to open named pipe.

ORA-09847
ORA-09847: soacon: ARCH unable to open named pipe.
Cause: open() failed to open named pipe ?/dbs/arch2mon_@.
Action: Make sure that the OS userid of the currently running database has search
permission for the ORACLE_HOME/dbs directory. The max number of open files
may have been exceeded.
More details : Viste http://www.high-oracle.com/ora-09847/
More details : Viste http://www.high-oracle.com/ora-09847/
-------------------------------------------------------

-------------------------------------------------------
Viste our Support Blog : http://updatefun.blogspot.fr/
Viste our Support Blog : http://oracleerrormsgs.blogspot.fr/
Viste our Support Blog : http://oracleerror1.blogspot.fr/
Viste our Support Blog : http://supports-oracle.blogspot.com/
Viste our Support Blog : http://oracleerrorcodelist.blogspot.fr/
Viste our Support Blog : http://all-dba-support.blogspot.fr/
Viste our Support Blog : http://my-support-oracle.blogspot.fr/
-------------------------------------------------------

Your source for help on all Oracle database error codes :
------------------------
ORA-23435: cannot create an updatable ROWID materialized view with LOB
ORA-06405: NETCMN: reset protocol error
ORA-09809: Unable to get user's group ID from connection
ORA-27101: shared memory realm does not exist
ORA-29973: Unsupported query or operation during change notification
ORA-31018: Error deleting XML document
ORA-02800: Requests timed out
ORA-02095: specified initialization parameter cannot be modified
ORA-07826: sspscm: SYS$GETDVIW failure
ORA-19685: SPFILE could not be verified
ORA-12570: TNS:packet reader failure
ORA-19288: XP0017 - invalid number of arguments to function -
ORA-00741: logfile size of () blocks exceeds maximum logfile size
ORA-16096: ALTER DATABASE COMMIT TO SWITCHOVER TO PHYSICAL STANDBY
ORA-01973: Missing change number
ORA-31214: DBMS_LDAP: PL/SQL - Invalid LDAP mod type.
ORA-02068: following severe error from
ORA-10525: Disable automatic object validation for describe
ORA-14037: partition bound of partition "" is too high
ORA-12845: failed to receive interinstance parallel execution message
-------------------------------------------------------
Error Oracle : ora-40003 http://www.high-oracle.com/ora-40003/
Error Oracle : ora-31398 http://www.high-oracle.com/ora-31398/
Error Oracle : ora-30393 http://www.high-oracle.com/ora-30393/
Error Oracle : ora-02715 http://www.high-oracle.com/ora-02715/
Error Oracle : ora-36393 http://www.high-oracle.com/ora-36393/
Error Oracle : ora-26665 http://www.high-oracle.com/ora-26665/
Error Oracle : ora-08432 http://www.high-oracle.com/ora-08432/
Error Oracle : ora-32635 http://www.high-oracle.com/ora-32635/
Error Oracle : ora-31634 http://www.high-oracle.com/ora-31634/
Error Oracle : ora-19999 http://www.high-oracle.com/ora-19999/
Error Oracle : ora-00091 http://www.high-oracle.com/ora-00091/
Error Oracle : ora-19904 http://www.high-oracle.com/ora-19904/
Error Oracle : ora-12689 http://www.high-oracle.com/ora-12689/
Error Oracle : ora-15046 http://www.high-oracle.com/ora-15046/
Error Oracle : ora-32128 http://www.high-oracle.com/ora-32128/
Error Oracle : ora-13182 http://www.high-oracle.com/ora-13182/
Error Oracle : ora-09954 http://www.high-oracle.com/ora-09954/
Error Oracle : ora-16131 http://www.high-oracle.com/ora-16131/
Error Oracle : ora-01651 http://www.high-oracle.com/ora-01651/
Error Oracle : ora-27141 http://www.high-oracle.com/ora-27141/
-------------------------------------------------------
Viste our Support Blog : http://updatefun.blogspot.fr/
Viste our Support Blog : http://oracleerrormsgs.blogspot.fr/
Viste our Support Blog : http://oracleerror1.blogspot.fr/
Viste our Support Blog : http://oracleerrorcodelist.blogspot.fr/
Viste our Support Blog : http://all-dba-support.blogspot.fr/
Viste our Support Blog : http://my-support-oracle.blogspot.fr/
-------------------------------------------------------