Cannot Connect using Enterprise Manager

The details of the Oracle 9i Server 9.2.0.1.0 are as follows:
IP: 172.25.22.78
SID: MSPD
Port 1521
I am trying to connect to this server using enterprise manager but i get the "ORA-12543: TNS:destination host unreachable" Error.
However I am able to ping the server successfully.
When I try the command telnet 172.25.22.78 1521 I get an error "Could not open connection to Host, on port 1521; connect failed."
What could be the reason?
Following is the entry in TNSNAMES.ORA
# TNSNAMES.ORA Network Configuration File: C:\oracle\ora92\NETWORK\ADMIN\tnsnames.ora
# Generated by Oracle configuration tools.
MSPD_172.25.22.78 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.25.22.78)(PORT = 1521))
(CONNECT_DATA =
(SID = mspd)
(SERVER = DEDICATED)
Thanks and Regards,
Ashwin

Hello everyone,
Thanks for all your answers so far. I appreciate your assistance very much.
Does tnsping work?
No TNSPING 172.25.22.78 1521 did not work
Can you connect via sqlplus?
No. The net service mspd_172.25.22.78 is configured in the Net Manager.
It fails when I test it from Net manager as well as SQL Plus
The server is in Boston.
This problem is only occuring when we are accessing the server from Mumbai.
My team from Cincinatti is able to connect to the server.
ping, tnsping, sqlplus, telnet are all successful for them.
When i contacted the Network team in mumbai they had a look at the Trace route of the IP and declared that there is no firewall from our side that is blocking the communication. They asked me to contact the client to see if the server port they provided is correct and is open for access.
Could it be that the client put up a firewall that allows access from cincinatti office but not mumbai? (all tests from cinci - pass, all tests from mumbai except ping fail).
Is it possible that Cinci team can access port 1521 but from mmumbai we have to give another port which is reverse mapped to port 1521?
Thanks and Regards,
Ashwin

Similar Messages

Cannot connect to Enterprise Manager

Hi,
I am using Oracle 10.2g for our database, which is growing regularly on a daily basis. Today, the database ran out of table space (which happened before too and I have resolved it by adding another table from EM).
So, when I tried connecting to Enterprise Manager (EM), i was unable to connect to it.
https://<localhost>:1158/em/console/logon/logon
I did some research and found some tips for the same:
1) Resize the table-space by using .. "alter database datafile" .. command. It did not work.
2) Restarted the computer but it did not work too.
The surprising part is that I can connect to the database using SQL/Toad but I simply cannot login to Oracle EM. Can anyone please help me?
Or can anyone help me on how to add another table (because the one I am using currently is maxed out) from SQL+?
Thanks,
Vipul

Hi,
There were multiple files under the log file. Outputs of some of the files are given below:
1) emdctl.trc
2010-12-13 21:22:17 Thread-5780 ERROR http: 252: Unable to initialize ssl connection with server, aborting connection attempt
2010-12-13 21:22:24 Thread-3944 ERROR ssl: nzos_Handshake failed, ret=29024
2010-12-13 21:22:24 Thread-3944 ERROR http: 252: Unable to initialize ssl connection with server, aborting connection attempt
2010-12-13 21:22:31 Thread-4432 ERROR ssl: nzos_Handshake failed, ret=29024
2010-12-13 21:22:31 Thread-4432 ERROR http: 252: Unable to initialize ssl connection with server, aborting connection attempt
2010-12-13 21:22:33 Thread-4936 ERROR ssl: nzos_Handshake failed, ret=29024
2010-12-13 21:22:33 Thread-4936 ERROR http: 264: Unable to initialize ssl connection with server, aborting connection attempt
2010-12-13 21:22:39 Thread-6112 ERROR ssl: nzos_Handshake failed, ret=29024
2010-12-13 21:22:39 Thread-6112 ERROR http: 252: Unable to initialize ssl connection with server, aborting connection attempt
2010-12-13 22:41:14 Thread-2972 WARN http: snmehl_connect: connect failed to (cce-trc-cdwserv.ce.ufl.edu:1158): No connection could be made because the target machine actively refused it.
(error = 10061)
2010-12-14 12:19:11 Thread-5692 WARN http: snmehl_connect: connect failed to (cce-trc-cdwserv.ce.ufl.edu:1158): No connection could be made because the target machine actively refused it.
(error = 10061)
2) emoms.log
2010-12-13 14:11:49,396 [OmsServiceDriver thread] ERROR conn.ConnectionService blockUntilValid.548 - Connection pool is not valid. status =2
2010-12-13 14:11:49,396 [OmsServiceDriver thread] ERROR conn.ConnectionService blockUntilValid.556 - Repository connection details are invalid.
2010-12-13 14:11:50,410 [OmsServiceDriver thread] ERROR conn.ConnectionService verifyRepositoryEx.496 - Invalid Connection Pool. ERROR = Listener refused the connection with the following error:
ORA-12528, TNS:listener: all appropriate instances are blocking new connections
The Connection descriptor used by the client was:
(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=cce-trc-cdwserv.ce.ufl.edu)(PORT=1521)))(CONNECT_DATA=(SERVICE_NAME=STEWARD)))
2010-12-13 14:11:52,968 [OmsServiceDriver thread] WARN jdbc.ConnectionCache _getConnection.303 - Got a fatal exeption when getting a connection; Error code = 1033; Cleaning up cache and retrying
2010-12-13 14:11:52,968 [OmsServiceDriver thread] WARN jdbc.ConnectionCache _getConnection.306 - ORA-01033: ORACLE initialization or shutdown in progress
java.sql.SQLException: ORA-01033: ORACLE initialization or shutdown in progress.....
3) OracleDBConsoleSTEWARDsrvc.log
-------------- [OracleDBConsoleSTEWARD] ------------
EMDROOT=D:\oracle\product\10.2.0\db_1
ORACLE_HOME=D:\oracle\product\10.2.0\db_1
EMDSTATE=D:\oracle\product\10.2.0\db_1\cce-trc-cdwserv.ce.ufl.edu_STEWARD
CONSOLE_CFG=dbconsole
TRACE_LEVEL=16
TIMEOUT=15
12/13/10 21:13:11 Job Process API is available
12/13/10 21:13:11 Start pending...
12/13/10 21:13:11 Verifying dbconsole is not started already. Command line "D:\oracle\product\10.2.0\db_1\bin\emctl.bat" istatus dbconsole
12/13/10 21:13:16 dbconsole launch commandline is "D:\oracle\product\10.2.0\db_1\bin\emctl.bat" istart dbconsole
12/13/10 21:13:16 Tracking process launch...
12/13/10 21:13:48 Received exitCode 1 from emctl istatus.....
12/13/10 21:22:31 Received exitCode 1 from emctl istatus
12/13/10 21:22:39 Received exitCode 1 from emctl istatus
12/13/10 21:22:44 Timedout while tracking process to start. Terminating..
Hope this might help you think about the problem.
Thanks,
Vipul

Unable to connect using Enterprise Manager

I have Oracle 9.2 installed on w2000 server and it was working fine when I use isqlplus and sqlplus. However, after I type in the userID:SYS and password to expand the tree of the database when I use Enterprise Manager , it gives me the error ORA-12520. I got the same error when trying to create DSN in ODBC driver configuration.

Solution:
I ran into the same problem. You have to first create a password file. Run
orapwd file=<fname> password=<password> entries=<users>
The file will usually be in the dbs by default. You may have to play with the file name. I had to make it orapwd in dbs to make it recognize correctly.
Next you need to modify your startup parameter for your instance to use the remote_login_passwordfile='shared' or 'exclusive'
Set it to exclusive if you have only one instance or shared if you have multiple instances. I had to use the pfile and start the instance with that. Just rename your spfile and type 'sql>create pfile from spfile' and then edit it. Set your parameter and restart your instance. The do 'sql>create spfile from pfile' to make your spfile again. Now you should be able to connect as sys remotely from sql or OEM!!!
Doc:
Setting REMOTE_LOGIN_ PASSWORDFILE
In addition to creating the password file, you must also set the initialization parameter REMOTE_LOGIN_PASSWORDFILE to the appropriate value. The values recognized are described as follows:
Value Description
NONE
Setting this parameter to NONE causes Oracle to behave as if the password file does not exist. That is, no privileged connections are allowed over non-secure connections. NONE is the default value for this parameter.
EXCLUSIVE
An EXCLUSIVE password file can be used with only one database. Only an EXCLUSIVE file can contain the names of users other than SYS. Using an EXCLUSIVE password file allows you to grant SYSDBA and SYSOPER system privileges to individual users and have them connect as themselves.
SHARED
A SHARED password file can be used by multiple databases. However, the only user recognized by a SHARED password file is SYS. You cannot add users to a SHARED password file. All users needing SYSDBA or SYSOPER system privileges must connect using the same name, SYS, and password. This option is useful if you have a single DBA administering multiple databases.

Can Connect via Database Control but Cannot Connect from Enterprise Manager

Hi experts,
This is a 10g database on a Windows server.
when I remote into the server:
- I CAN connect via the web-based Database Control
- I CANNOT connect to any db/instance via regular Ent Mgr - get the ugly "ORA-12154 TNS: could not resolve the connect identifier specified" error.
I thought both tools used the same connection files (tnsnames, listerner etc), but maybe not.
When db control connects, but Enterprise Manager cannot, what should I check to find the problem?
Thank you.
John

Thanks madrid.
I eventually got it to work by changing the tnsnames.ora in the client_1 folder
This is the original:
FS9ENFP1 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = PNCLAFDB)(PORT = 1521))
(CONNECT_DATA =
(SID = FS9ENFP1)
(SERVER = DEDICATED)
ORCL=
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = PNCLAFDB)(PORT = 1521))
(CONNECT_DATA =
(SID = orcl)
(SERVER = DEDICATED)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
I removed the EXTPROC entry and added entries for the ORCL and FS9ENFP1 databases, specifying server_database like this:
FS9ENFP1_PNCLAFDB =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = PNCLAFDB)(PORT = 1521))
(CONNECT_DATA =
(SID = FS9ENFP1)
(SERVER = DEDICATED)
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John

Cannot connect to Enterprise Manager. Displays Enterprise Manager(null)

Hi All:
I have downloaded and installed VMware, Oracle 10g RAC and Red Hat Enterprise Linux 3 using Disk1 and Disk2.
All seemed fine. However I cannot log on to the Enterprise Manager nor start the listener nor any instance of the database
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Enterprise Manager(null) in the title bar of mozzila browser when I tried to start it.
[oracle@raclinux1 /]$ srvctl start instance -d o10G -i o10G1
PRKP-1001 : Error starting instance O10G1 on node raclinux1
raclinux1:ora.raclinux1.vip:Interface eth0 checked failed (host=raclinux1.us.oracle.com)
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CRS-0215: Could not start resource ora.O10G.O10G1.inst.
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1113777

If you read the README you'll see that the recommended way is to not bother downloading VMware, just use OUI to install it, it will fix the subnet mask to 192.168.203.0. If you still choose to install on your own, please refer to the readme for details on how to manually fix it.
It is also safe to install VMware in this fashion even if you already have it installed, just to get the subnets correct. Without this step, as you can see, nothing works inside the VM. This is because we are using fixed IP addresses and the randomly chosen subnet number doesn't match what we expect.
good luck,
Saar.

Why using Enterprise Manager..

I can connect to both DB on my machine and instead using SQPLPlus from command line I cannot connect with none ?
S.O. Windows XP Pro
On my machine I have Oracle 9i with 2 DB of test. If I try to connect to them using SQLPlus I cannot connect ( I have Error ORA-12560 ) and instead if I try to connect using Enterprise Manager I can.
I have these services on :
1) OracleOraHom92HTTPServer
2) OracleOraHom92TNSListener
3) OracleServiceMyDB
Tx for any suggest
Diego

the tns protocal adaptor error can mean many things.
check the following:
1) check the windows service is running for the database.
2) run a tnsping command to check if all is okay.
3) are you running sqlplus from the correct ORACLE_HOME

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I just install Oracle 10gr2 in my computer and after successful installation created a database instance which also install successfully. I then configure the listener using Net Manager and then start the database instance, the listener and dbconsole, everything seems to work fine and checking the status of this services from the command prompt indicates everything started successfully. But when I try to use Enterprise Manager I was directed to the Database Down Page with a message unable to connect to database instance. I try to use startup and perform recovery but every time I log-in to the database an error message comes out:
SQLEXCEPTION
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It seems for Enterprise Manager to connect to the database it needs to access this NLS(National Language Support) data files or specify an environment variable to point to this data files. I am just new to Oracle and I am having difficulty solving this particular problem. Where is this data files located and how do I configure Enterprise Manager to access this NLS data Files?
Any help however small will be highly appreciated.

Are you able to connect to the database via SQLPlus?
What Operating System are you using?
Assuming Windows, can you RUN regedit to open Windows Registry and check the value or NLS_LANG when you select
HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE\KEY_<your_oracle_home>
Examples of vaules you may find:
1. ENGLISH_UNITED KINGDOM.WE8MSWIN1252
2. AMERICAN_AMERICA.US7ASCII
3. AMERICAN_AMERICA.WE8MSWIN1252
4. FRENCH_FRANCE.WE8MSWIN1252
5. GERMAN_GERMANY.WE8MSWIN1252
If you are not able to connect to SQLPlus, from the command prompt try setting one of the above:
e.g.
D:\>set NLS_LANG=AMERICAN_AMERICA.WE8MSWIN1252
D:\>sqlplus /nolog
SQL>connect sysman/password

Error occured while performing nmConnect : Cannot connect to Node Manager.

Hi There,
I am trying to connect to my node manager via WLST, however when I try to do so I get the following exception:
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I should point out that the AdminServer and the node are the same machine.

The nodemanager will not accept SSL connections, I checked the config on WL itself.
I can confirm that it is also in nodemanager.domains
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<27-May-2013 14:08:43 o'clock CEST> <Info> <Security> <BEA-090906> <Changing the default Random Number Generator in RSA CryptoJ from ECDRBG to FIPS186PRNG. To disable this change, specify -Dweblogic.security.allowCryptoJDefaultPRNG=true>
<27-May-2013 14:08:44 o'clock CEST> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "CN=Entrust Root Certification Authority - G2,OU=(c) 2009 Entrust\, Inc. - for authorized use only,OU=See www.entrust.net/legal-terms,O=Entrust\, Inc.,C=US". The loading of the trusted certificate list raised a certificate parsing exception PKIX: Unsupported OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
<27-May-2013 14:08:44 o'clock CEST> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "CN=thawte Primary Root CA - G3,OU=(c) 2008 thawte\, Inc. - For authorized use only,OU=Certification Services Division,O=thawte\, Inc.,C=US". The loading of the trusted certificate list raised a certificate parsing exception PKIX: Unsupported OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
<27-May-2013 14:08:44 o'clock CEST> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "CN=T-TeleSec GlobalRoot Class 3,OU=T-Systems Trust Center,O=T-Systems Enterprise Services GmbH,C=DE". The loading of the trusted certificate list raised a certificate parsing exception PKIX: Unsupported OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
<27-May-2013 14:08:44 o'clock CEST> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "CN=T-TeleSec GlobalRoot Class 2,OU=T-Systems Trust Center,O=T-Systems Enterprise Services GmbH,C=DE". The loading of the trusted certificate list raised a certificate parsing exception PKIX: Unsupported OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
<27-May-2013 14:08:44 o'clock CEST> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "CN=GlobalSign,O=GlobalSign,OU=GlobalSign Root CA - R3". The loading of the trusted certificate list raised a certificate parsing exception PKIX: Unsupported OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
<27-May-2013 14:08:44 o'clock CEST> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "OU=Security Communication RootCA2,O=SECOM Trust Systems CO.\,LTD.,C=JP". The loading of the trusted certificate list raised a certificate parsing exception PKIX: Unsupported OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
<27-May-2013 14:08:44 o'clock CEST> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "CN=VeriSign Universal Root Certification Authority,OU=(c) 2008 VeriSign\, Inc. - For authorized use only,OU=VeriSign Trust Network,O=VeriSign\, Inc.,C=US". The loading of the trusted certificate list raised a certificate parsing exception PKIX: Unsupported OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
<27-May-2013 14:08:44 o'clock CEST> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "CN=KEYNECTIS ROOT CA,OU=ROOT,O=KEYNECTIS,C=FR". The loading of the trusted certificate list raised a certificate parsing exception PKIX: Unsupported OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
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Should it be going through all of this if I am trying to connect with plain text?

WLSTException: Cannot connect to Node Manager

Hello,
I am trying to connect to my nodemanager via the WLST rather than the service and get the following error. (I am using custom keystores instead of Demo)
wls:/offline> nmConnect('weblogic','1234',' xx.xx.xx ','5556','base_domain',':/Oracle/Middleware/user_projects/domains/base_domain','ssl')
Connecting to Node Manager ...
<Oct 17, 2012 4:52:38 PM PDT> <Info> <Security> <BEA-090906> <Changing the default Random Number Generator in RSA CryptoJ from ECDRBG to FIPS186PRNG. To disable this change, specify -Dweblogic.security.allowCryptoJDefaultPRNG=true>
<Oct 17, 2012 4:52:41 PM PDT> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "CN=Entrust Root Certification Authority - G2,OU=(c) 2009 Entrust\, Inc. - for authorized use only,OU=See www.entrust.net/legal-terms,O=Entrust\, Inc.,C=US". The loading of the trusted certificate list raised a certifica
te parsing exception PKIX: Unsupported OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
<Oct 17, 2012 4:52:41 PM PDT> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "CN=thawte Primary Root CA - G3,OU=(c) 2008 thawte\, Inc. -For authorized use only,OU=Certification Services Division,O=thawte\, Inc.,C=US". The loading of the trusted certificate list raised a certificate parsing exception PKIX: Unsupported OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
<Oct 17, 2012 4:52:41 PM PDT> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "CN=T-TeleSec GlobalRoot Class 3,OU=T-Systems Trust Center,O=T-Systems Enterprise Services GmbH,C=DE". The loading of the trusted certificate list raised a certificate parsing exception PKIX: Unsupported OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
<Oct 17, 2012 4:52:41 PM PDT> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "CN=T-TeleSec GlobalRoot Class 2,OU=T-Systems Trust Center,O=T-Systems Enterprise Services GmbH,C=DE". The loading of the trusted certificate list raised a certificate parsing exception PKIX: Unsupported OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
<Oct 17, 2012 4:52:41 PM PDT> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "CN=GlobalSign,O=GlobalSign,OU=GlobalSign Root CA - R3". The loading of the trusted certificate list raised a certificate parsing exception PKIX: Unsupported OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
<Oct 17, 2012 4:52:41 PM PDT> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "OU=Security Communication RootCA2,O=SECOM Trust Systems CO.\,LTD.,C=JP". The loading of the trusted certificate list raised a certificate parsing exception PKIX: Unsupported OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
<Oct 17, 2012 4:52:41 PM PDT> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "CN=VeriSign Universal Root Certification Authority,OU=(c) 2008 VeriSign\, Inc. - For authorized use only,OU=VeriSign Trust Network,O=VeriSign\, Inc.,C=US". The loading of the trusted certificate list raised a certificate parsing exception PKIX: Unsupported OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
<Oct 17, 2012 4:52:41 PM PDT> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "CN=KEYNECTIS ROOT CA,OU=ROOT,O=KEYNECTIS,C=FR". The loading of the trusted certificate list raised a certificate parsing exception PKIX: Un
supported OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
<Oct 17, 2012 4:52:41 PM PDT> <Notice> <Security> <BEA-090898> <Ignoring the trusted CA certificate "CN=GeoTrust Primary Certification Authority - G3,OU=(c) 2008 GeoTrust Inc. - For authorized use only,O=GeoTrust Inc.,C=US". The loading of the trusted certificate list raised a certificate parsing exception PKIX: Unsupp
orted OID in the AlgorithmIdentifier object: 1.2.840.113549.1.1.11.>
<Oct 17, 2012 4:52:41 PM PDT> <Warning> <Security> <BEA-090542> <Certificate chain received from xx.xx.xx - yy.yy.yy.yy was not trusted causing SSL handshake failure. Check the certificate chain to determine if it should be trusted or not. If it should be trusted, then update the client trusted CA configurati
on to trust the CA certificate that signed the peer certificate chain. If you are connecting to a WLS server that is using demo certificates (the default WLS se
rver behavior), and you want this client to trust demo certificates, then specify -Dweblogic.security.TrustKeyStore=DemoTrust on the command line for this client.>
Traceback (innermost last):
File "<console>", line 1, in ?
File "<iostream>", line 123, in nmConnect
File "<iostream>", line 646, in raiseWLSTException
WLSTException: Error occured while performing nmConnect : Cannot connect to Node Manager. : [Security:090542]Certificate chain received from xx.xx.xx - yy.yy.yy.yy was not trusted causing SSL handshake failure. Check the certificate chain to determine if it should be trusted or not. If it should be trusted, then update the client trusted CA configuration to trust the CA certificate that signed the peer certificate chain. If you are connecting to a WLS server that is using demo certificates (the default WLS server behavior), and you want this client to trust demo certificates, then specify -Dweblogic.security.TrustKeyStore= DemoTrust on the command line for this client.
Thanks..

Yes Node Manager is running fine. I was able to overcome the above error, by using the following parameters while running Weblogic.WLST:
"java -Dweblogic.security.TrustKeyStore=CustomTrust -Dweblogic.security.CustomTrustKeyStoreFileName=<name>.jks weblogic.WLST"
Thanks,

I have installed oracle 10g in my winxp machine. i am using enterprise manager. i am not able to shutdown the system as it asks for os username and password. i have provided my os username and password but eerror persiste. somebody pls help me to get rid

I have installed oracle 10g in my winxp machine. i am using enterprise manager. i am not able to shutdown the system as it asks for os username and password. i have provided my os username and password but eerror persiste. somebody pls help me to get rid of this.

Here I am using Java Type IV for database
connection.
So,there was no necessity of creating DNS.How your app communicates with db shouldn't matter for the end user. Still, you may want to use a functional network name also for the thin client driver connection string.
So,is there any other way to solve this problem.What is the problem really? Do you not use dns for network naming? Maybe you have to manage the hosts file on every client then.

Problem using Enterprise Manager 11g Database Control in Firefox 3.6.6

Hello all,
I just intalled Oracle 11g and trying to familiarize myself with Enterprise Manager 11g Dataabse Control using Firefox 3.6.6 in Windows XP.
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However, when I click on on "Performance Tab", the "SYSTEM_MOVING_WINDOW" is empty, and there's a prompt "Click Here to Download Plugin."
When I do click on it, I get message:
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Unknown plugin (application/octet-stream) [Manual Install].
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Grid installtion failing with error Cannot connect to Node Manager. : Conf

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I installed Weblogic server 10.3.4 and 11g R2 database
==============================================================
Code of Exception: Error occured while performing nmConnect : Cannot connect to Node Manager. : Configuration error while reading domain directory
Use dumpStack() to view the full stacktrace
Thu Mar 03 21:49:03 IST 2011
<traceback object at 1>
Connecting to Node Manager ...
This Exception occurred at Thu Mar 03 21:49:03 IST 2011.
Thu Mar 03 21:49:03 IST 2011
SEVERE: Exception: during stop of admin server
Thu Mar 03 21:49:03 IST 2011
Name of Exception: main.WLSTException
Thu Mar 03 21:49:03 IST 2011
Code of Exception: Error occured while performing nmConnect : Cannot connect to Node Manager. : Configuration error while reading domain directory
Use dumpStack() to view the full stacktrace
Thu Mar 03 21:49:03 IST 2011
<traceback object at 2>
Connecting to Node Manager ...
This Exception occurred at Thu Mar 03 21:49:03 IST 2011.
Thu Mar 03 21:49:03 IST 2011
Node Manager is not running
Mar 3, 2011 9:49:03 PM oracle.sysman.omsca.util.CoreOMSConfigAssistantUtil execCommand
INFO: error messages of the command :
weblogic.nodemanager.NMException: Configuration error while reading domain directory
at weblogic.nodemanager.client.NMServerClient.checkResponse(NMServerClient.java:301)
at weblogic.nodemanager.client.NMServerClient.checkResponse(NMServerClient.java:314)
at weblogic.nodemanager.client.NMServerClient.connect(NMServerClient.java:249)
at weblogic.nodemanager.client.NMServerClient.checkConnected(NMServerClient.java:200)
at weblogic.nodemanager.client.NMServerClient.checkConnected(NMServerClient.java:206)
at weblogic.nodemanager.client.NMServerClient.getVersion(NMServerClient.java:53)
at weblogic.management.scripting.NodeManagerService.verifyConnection(NodeManagerService.java:179)
at weblogic.management.scripting.NodeManagerService.nmConnect(NodeManagerService.java:173)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.python.core.PyReflectedFunction.__call__(Unknown Source)
at org.python.core.PyMethod.__call__(Unknown Source)
at org.python.core.PyObject.__call__(Unknown Source)
at org.python.core.PyObject.invoke(Unknown Source)
at org.python.pycode._pyx2.nmConnect$3(<iostream>:118)
at org.python.pycode._pyx2.call_function(<iostream>)
at org.python.core.PyTableCode.call(Unknown Source)
at org.python.core.PyTableCode.call(Unknown Source)
at org.python.core.PyFunction.__call__(Unknown Source)
at org.python.core.PyObject.__call__(Unknown Source)
at org.python.pycode._pyx41.stopManagedServer$6(/u02/oracle/Oracle/Middleware/oms11g/sysman/omsca/scripts/wls/start_server.py:142)
at org.python.pycode._pyx41.call_function(/u02/oracle/Oracle/Middleware/oms11g/sysman/omsca/scripts/wls/start_server.py)
at org.python.core.PyTableCode.call(Unknown Source)

I am still getting error, even after installing Weblogic server 10.3.2
ar 4, 2011 10:44:42 AM oracle.sysman.omsca.util.CoreOMSConfigAssistantUtil execCommand
INFO: error messages of the command :
weblogic.nodemanager.NMConnectException: Connection refused. Could not connect to NodeManager. Check that it is running at node1.slksoft.com:7,403.
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:525)
at weblogic.nodemanager.client.SSLClient.createSocket(SSLClient.java:38)
at weblogic.nodemanager.client.NMServerClient.connect(NMServerClient.java:227)
at weblogic.nodemanager.client.NMServerClient.checkConnected(NMServerClient.java:199)
at weblogic.nodemanager.client.NMServerClient.checkConnected(NMServerClient.java:205)
at weblogic.nodemanager.client.NMServerClient.getVersion(NMServerClient.java:52)
at weblogic.management.scripting.NodeManagerService.verifyConnection(NodeManagerService.java:175)
at weblogic.management.scripting.NodeManagerService.nmConnect(NodeManagerService.java:168)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.python.core.PyReflectedFunction.__call__(Unknown Source)
at org.python.core.PyMethod.__call__(Unknown Source)
at org.python.core.PyObject.__call__(Unknown Source)
at org.python.core.PyObject.invoke(Unknown Source)
and also i am getting below error.
oracle@node1 grid]$ export ORACLE_SID=prod
[oracle@node1 grid]$ emctl status agent
EM Configuration issue. /u01/oracle/product/11.2.0/db_1/node1.soft.com_prod not found.
[oracle@node1 grid]$

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Dear all, I am very new to the oralce world and got stuck today the first time I install oracle 8i on my win2k pro.
After the installation, I was trying to connect the Enterprise Manager Console for the first time, using the default user name sysman and password oem_temp (correct?). The problem is that I don't know exactly what is a management server, and what name it should be called. I named the database/sid name orarem, under D:\Oracle\admin\OraRem, does it have something to do with this issue?
I only installed the oracle enterprise server edition 8.1.6.0.0, not the Client part, will that matter if I only wanna run oracle on my stand alone desktop as a testing procedure for now?
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I have got a strange issue i.e. I cannot access to Enterprise Manager (http://hostname:7001/em), but can access to Console(http://hostname:7001/console) and Analytics (http://hostname:7001/analytics). I have restarted the BI Services but still the error continues.
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From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:
10.4.5 404 Not Found
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