Connection Refused Error = 79
the db2hmon process. SQLO_CONN_REFUSED db2hmon das sqloPdbConnectSocket Technote (troubleshooting) Problem(Abstract) Receiving ECONNREFUSED messages in the db2diag.log and not sure why. Symptom The db2diag.log will emagent is thrashing. exiting watchdog contain messages similar to the following: 2008-09-18-08.05.31.780517-420 E14972210A808 LEVEL: Error (OS) PID target manager failed at startup: targets.xml was rejected: loaded with a wrong agent token : 565488 TID : 772 PROC : db2hmon 0 INSTANCE: db2ipec NODE : 000 FUNCTION: DB2 UDB, oper system emagent has exited due to initialization failure. services, sqloPdbConnectSocket, probe:20 MESSAGE : ZRC=0x810F0019=-2129723367=SQLO_CONN_REFUSED "Connection refused" CALLED : OS, -, connect OSERR : ECONNREFUSED (79) "Connection refused" DATA #1 : String, 32 bytes Unable to connect socket on path DATA #2 : socket, 4 bytes 8 DATA #3 : sockaddr, 34 bytes 0x00000001103DA658 : 0001 2F68 6F6D 652F 6462 3261 732F 6461 ../home/db2as/da 0x00000001103DA668 : 732F 746D 702F 6461 736E 616D 6564 7069 s/tmp/dasnamedpi 0x00000001103DA678 : 7065 pe DATA #4 : File name, 32 bytes /home/db2as/das/tmp/dasnamedpipe Cause The DB2 Health Monitor periodically wakes up and checks for a connection to the DB2 administration server (DAS). Resolving the problem This type of error is reported when the DAS (DB2 administration server) is not active. When the health monitor wakes up it checks for a connection to the DAS. In this case the connection is refused as either the DAS does not exist or it is not started. Recommendations: Ensure that the DAS is started. Use the following command logged in as the DAS user: db2admin start If the DAS is started, but the messages continue in the db2diag.log then try dropping and recreating the DAS. Steps: 1. DAS user: db2admin stop db2 get get admin cfg > dasconfg.txt 2. user root: /usr/opt/db2_08_01/instance> ./daslist /usr/opt/db2_08_01/instance> ./dasdrop /usr/opt/db2_08_01/instance> ./dascrt -u userID 3. DAS user db2admin start. Related information How to drop the DAS? How to create the DAS? Document information More support for: DB2 for Linux, UNIX and Windows Software version: 9.1, 9.5, 9.7 Operating system(s): AIX, HP-UX, Linux, Solaris, Windows Reference #: 1328644 Modified date: 2012-11-08 Site availability Site assistance Contact and feedback Need support? Submit feedback to IBM Support 1-800-IBM-7378 (USA) Directory of worldwide contacts Contact Privacy Terms of use Accessibility
#412653] Fri, 10 July 2009 06:01 dbcop Messages: 37Registered: September 2006 Location: india Member Hi, I have recently upgrade a 9.2.0.7 database to 10.2.4. OEM was never configured on the DB . Now I am trying to configure OEM on the 10g DB . Below are the steps . sapm30:oram30 23> emca -repos create Jun 12, 2009 9:57:39 AM oracle.sysman.emcp.EMReposConfig createRepository INFO: Creating the EM repository (this may take a while) ... Jun 12, 2009 10:02:31 AM oracle.sysman.emcp.EMReposConfig http://www.ibm.com/support/docview.wss?uid=swg21328644 invoke INFO: Repository successfully created Enterprise Manager configuration completed successfully FINISHED EMCA at Jun 12, 2009 10:02:31 AM After creating the repository I issued emca -config dbcontrol db Do you wish to continue? [yes(Y)/no(N)]: Y Jun 12, 2009 10:08:05 AM oracle.sysman.emcp.EMConfig perform INFO: This operation is being logged at /oracle/M30/102_64/cfgtoollogs/emca/M30/emca_2009-06-12_10-07-34-AM.log. Jun 12, 2009 10:08:18 AM oracle.sysman.emcp.util.DBControlUtil http://www.orafaq.com/forum/t/147572/ secureDBConsole INFO: Securing Database Control (this may take a while) ... Jun 12, 2009 10:09:25 AM oracle.sysman.emcp.util.DBControlUtil secureDBConsole INFO: Database Control secured successfully. Jun 12, 2009 10:09:25 AM oracle.sysman.emcp.util.DBControlUtil startOMS INFO: Starting Database Control (this may take a while) ... Jun 12, 2009 10:11:11 AM oracle.sysman.emcp.EMDBPostConfig performConfiguration INFO: Database Control started successfully Jun 12, 2009 10:11:11 AM oracle.sysman.emcp.EMDBPostConfig performConfiguration INFO: >>>>>>>>>>> The Database Control URL is https://sapm30:1158/em <<<<<<<<<<< Enterprise Manager configuration completed successfully FINISHED EMCA at Jun 12, 2009 10:11:11 AM After the configuration was successfully done. I tried to start up the dbconsole as emctl start dbconsole But it failed The log files shows the following 2009-06-12 13:38:54 Thread-1 WARN http: snmehl_connect: connect failed to (sapm30:1158): A remote host refused an attempted connect operation. (error = 79) 2009-06-12 13:39:02 Thread-1 WARN http: snmehl_connect: connect failed to (sapm30:1158): A remote host refused an attempted connect operation. (error = 79) 2009-06-12 13:37:02 Thread-1 ERROR ssl: nzos_Handshake failed, ret=28862 2009-06-12 13:37:02 Thread-1 ERROR http: 6: Unable to
SAP NetWeaver Technology PlatformWhere is this place located?All Places SAP NetWeaver Technology Platform 2 Replies Latest reply: Mar 13, 2009 9:25 AM by Tim Buchholz Operating system call connect failed (error no. 79 ) How to resolve? Christian Fischer Mar 13, 2009 9:04 AM Currently Being https://scn.sap.com/thread/1269610 Moderated Hi Guru's,we have often entrys like "Operating system call connect failed (error no. 79 )" in the Syslog (SM21).How is the best way to find the cause of the messages?In the detail of the Syslog-Message http://forums.zend.com/viewtopic.php?f=64&t=14938 are only this... Details Page 13 Line 24 System Log: Local Analysis of p51a004 1 Time Type Nr Clt User TCode Grp N Text 08:00:56 RD Q0 I Operating system call connect failed (error no. 79 ) connection refused Operating system call connect failed (error no. 79 ) Details Recording at local and central time........................ 12.03.2009 08:00:56 Task...... Process User...... Terminal Session TCode Program Cl Problem cl Package 12575 Gateway K SAP Web AS Problem STSK Further details for this message type Module nam Line Error text Caller.... Reason/cal nixxi.cp 2823 connect 79 NiPConn connect Documentation for system log message Q0 I : The specified operating system call was returned with an error. connection refused error For communication calls (receive, send, etc) often the cause of errors are network problems. It could also be a configuration problem at operating system level. (file cannot be opened, no space in the file system etc.). Additional specifications for error number 79 Name for errno number ECONNREFUSED Interprocess communication (e.g. TCP/IP) connection refused by partner. This usually means that the necessary receiver program is not running. Technical details File Offset RecFm System log type Grp N variable message data 240 473220 m Error (Function,Module,Row) Q0 I connect 79 NiPConnconnectnixxi.cp2823 In the dev_ traces are not more informations.regardschris 4968Views Re: Operating system call connect failed (error no. 79 ) How to resolve? Tim Buchholz Mar 13, 2009 9:25 AM (in response to Christian Fischer) Currently Being Moderated Dear Chris,more information should be in dev_rd. The error means that a TCP connection to the specified server/port could not be established. You will see the same error, when you do 'telnet
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