Unknown port number or missing HTTP listener

I try to make a Application Server Connection (with JDeveloper), but I get the message "unknown port number or missing HTTP listener". Could anybody tell me how could I fix the problem ? More details will be appreciated because I have no background in Oracle AS.
Thanks. Paul

OAS and JDeveloper: 10.1.2 I used the host name.
Can anybody tell me, What "Remote Server's Oracle Home Directory" does it mean ? I have many Oracle Home on my computer (for infrastructure, for middle tier, for Developer Suite, for Oracle database 10g installed alone).
With the port 7778 (OC4J HTTP port) for I get the message: Test failed (404). Invalid servlet path :(
I that a difference between OC4J HTTP port et HTTP port ?
null

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On which port number WDS server will listen & service when installing on server which is also DHCP server?

hi frineds
in documents we read when we install WDS on the server which is also DHCP server, we must select this check mark :
"do not listen on port 67"
it means we instruct the WDS service not to listen on port UDP 67 to avoid a port conflict between WDS server service and DHCP server service.
So now on which port number WDS server will listen & service ?
thanks in advance

Hi john.s2011,
If Windows Deployment Services and DHCP are running on the same physical computer, this means that the DHCP server is listening on port 67 and is responsible ensuring authorization.
The related KB:
How the PXE Server Works
http://technet.microsoft.com/en-us/library/cc732649(v=ws.10).aspx
The related thread:
DHCP is not responding for WDS
http://social.technet.microsoft.com/Forums/windowsserver/en-US/07f98ac7-cc6f-4385-ba21-2e85bb460c03/dhcp-is-not-responding-for-wds
I’m glad to be of help to you!
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are trying to better understand customer views on social support experience, so your participation in this
interview project would be greatly appreciated if you have time.
Thanks for helping make community forums a great place.
hi Alex.
sorry for delay
thanks a lot
regards

How do you change the port number for Apex Listener V2?

I'm running Apex listener V2 in standalone mode on Linux. I want to change the port number of the apex listener V2 (e.g 80 to 8080). How do I do that without re-installing the whole listener again?
thanks in advance
PaulP

Hi PPlatt,
You can modify your_listener_home_directory/apex/apex.properties
http.port=8080
Stop & restart listener.
HTH
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Changing the listener port number in a cluster environment

Hello,
I have an Oracle 10g database on a Windows cluster environment with Oracle Fail safe. I am trying to change the default listener port number - these are the steps I have done to change the port number:
1) Take the listener offline via Oracle Fail safe
2) stop the original listener from the command line
3) change the port number in the listener.ora file & save
4) start the original listener
5) bring the listener online in Fail safe
6) register the listener in the database with ALTER SYSTEM SET LOCAL_LISTENER....
After all this, when i check the status of the listener via lsnrctl, i see that the new port number is used, however in the Fail safe administrator, I still see the default port 1521. How do I go about changing the port number so that Fail safe also registers the change?

I did troubleshooting to verify the group, but this just changed the port number back to the default in the listener.ora & tnsnames.ora.
So I did all the steps again to change the port number from the default to another - via lsnrctl status, i see that the new port number is being used, I can also log in to the database via Toad using the new port number, in v$parameter i see that the local_listener is registered on the new port number....only under the Fail Safe manager, the port number (under listener parameter) has not changed....it still shows the default port number. Anyone know how to change this???

Change port number of application server

Hi members,
I have installed oracle application server 10.1.3 on a windows 2003 server. The default port that it is listening on is 8888. Is there a way to change the port number? Can you please tell me the procedure? Also, how can I change the port number of Oracle HTTP Server? It is installed on a different machine..
Thanks in advance..

Yes you can change both your OC4J and OHS ports. Refer following for details:
http://download.oracle.com/docs/cd/B32110_01/core.1013/b32196/ports.htm#i1038959
Thanks
Shail

Junk file downloaded when port number and connection scheme is mismatched

Hello All,
I am facing a peculiar issue in my server running Apache Tomcat/5.5.9.
I have a Tomcat server setup with 8080 and 8443 ports listening for http and https connections.
When I access the tomcat welcome page hosted in my server as below,
http://<servername>:8080 OR https://<servername>:8443
I get the expected web page. But when I change the scheme and port number,
as below,
http://<servername>:8443
This is what happens,
In IE:
Displays junk characters (in precise, 4 boxes)
In Mozilla/Safari(Mac):
Downloads a junk file which says that it is of type "application/octet-stream"
To shed some more light on the issue,
When I changed the secure server port to 443 and i tried accessing URL,
http://<servername>:443 it took me to the default tomcat welcome page and for any other port other than 443, it gave me the same behavior.
Please let me know if there is any solution for this above scenario and your comments on what is causing this behavior.
Thanks in Advance,
Uday

Hello All,
I found the reason for the problem,
1. No. By spec, SSL negotiation is the very first thing that happens on a SSL connection occurring; there's no way to determine that a non-SSL Connection is being attempted.
2. when we are asking for regular HTTP over a HTTPS port. You'll see the first few bytes of the negotiation, then the protocol will stop.
3. Accessing an HTTPS Connector via an http:// URL (or vice versa) won't work. It's as simple as that. Of course there's a solution for the strange behavior you see when you access an HTTPS Connector via http://:
So unless we fix the secure/insecure port numbers to 443/80 respectively, which we do not want to do, I believe that we would not be able to solve this issue.

10g express, how to change port number for the database home page

10g express uses port 8080 for its http listener. However this number has been used by Tomcat on my computer. How can I chang the port number for the 10g home page?
Regards
jl

Andy, thank you very much, I have been able to changed the port number following your advice.
I hope you do not mind I ask a further questions along this line:
I installed 10 express db on 2 computers. One with Tomcat and the other without. Following your advice, I successfully changed the port number on the one without Tomcat.
On the one with Tomcat, I believe it was because I installed the 10g express while the Tomcat was running, I can neither go to the 10g's home page (page cannot be displyed), nor logon to the database from sqlplus (ora-12560: TNS:protocal error) even after I shut down the Tomcat. By checking with 'netstat -an', it is known that the http listerner is not listerning.
Can I change some configuration file to solve this problem? Or do I have to reinstall 10 ex? I prefer the 1st aproach of changing config file, even it is not as easy as reinstallation.
Thanks
jl

How to find out the http port number

Hi gurus,
Please help me find out what the http port number for the XML DB repository on the database server is. I tried the default 8080 and got an error saying it is no longer valid. I re-installed the database a couple of times and I don't remember that I had to enter a new port number.
Thanks.
Ben

SQL*Plus: Release 11.1.0.2.0 - Beta on Sun Nov 12 21:33:33 2006
Copyright (c) 1982, 2006, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.1.0.2.0 - Beta
With the Partitioning, OLAP and Data Mining options
SQL> select dbms_xdb.getHttpPort(), dbms_xdb.getFtpPort() from dual;
DBMS_XDB.GETHTTPPORT() DBMS_XDB.GETFTPPORT()
                  8080                  2100
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.1.0.2.0 - Beta
With the Partitioning, OLAP and Data Mining options
C:\Documents and Settings\Mark D Drake>lsnrctl status
LSNRCTL for 32-bit Windows: Version 11.1.0.1.0 - Beta on 12-NOV-2006 21:34:00
Copyright (c) 1991, 2006, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
Alias                     LISTENER
Version                   TNSLSNR for 32-bit Windows: Version 11.1.0.1.0 - Beta
Start Date                11-NOV-2006 06:49:03
Uptime                    1 days 14 hr. 44 min. 58 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   c:\oracle\product\11.1.0\db_1\network\admin\listener.ora
Listener Log File         c:\oracle\product\11.1.0\db_1\network\log\listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=mdrake-lap)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=mdrake-lap)(PORT=8080))(Presentation=HTTP)(Session
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=mdrake-lap)(PORT=2100))(Presentation=FTP)(Session=
Services Summary...
Service "ORA11GR1.xp.mark.drake.oracle.com" has 1 instance(s).
Instance "ora11gr1", status READY, has 1 handler(s) for this service...
Service "ORA11GR1XDB.xp.mark.drake.oracle.com" has 1 instance(s).
Instance "ora11gr1", status READY, has 1 handler(s) for this service...
Service "ORA11GR1_XPT.xp.mark.drake.oracle.com" has 1 instance(s).
Instance "ora11gr1", status READY, has 1 handler(s) for this service...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
C:\Documents and Settings\Mark D Drake>If SQL statment shows port numbers are 0 this means protocol is disabled and will not show in lnsrctl output

Select Listener Port Number from which_table?

I'm writing a SQL script that, among other things, disconnects from Oracle and then reconnects to the same instance as a different user. I'm able to query v$database and v$instance to get most of the information I need (host, service name, etc) for the reconnect part. The only part I'm missing is the listener port number. I could hard code it to 1521, but that isn't very flexible. Currently, I'm prompting the user (which is normally me) for the listener port number in the SQL script, but that just seems a little bit lame. So my question is this: is there a view or table somewhere in the sys schema that I could use to view the listener configuration? I'm mostly working with 10gR2+ databases.

cleavitt wrote:
That is possible, but it needs to be a standard Oracle configuration if the script is to remain generic and portable. The script is actually working fine as-is. I was just trying to go the extra mile and determine the port number automatically. I could also prompt for a TNSNames entry as suggested by others, but I don't always have an entry defined for all of the Oracle instances in my company on every workstation that I work from.
Here is the script for anyone that is interested. It started out as a script that I found online, but the original did not work with 11g case-sensitive passwords and it only worked for local connections on the server.
Description:
Allows a DBA user to impersonate another user (without knowing the user's password).
Similar in function to using the SU command in Unix/Linux.
Note:
This script temporarily changes the impersonated user's password and may cause other
connection attempts by that user to fail during the moment that the temporary password is in effect.
WHENEVER SQLERROR EXIT
SET VERIFY OFF
ACCEPT username CHAR PROMPT 'Enter the username: '
ACCEPT listenerport NUMBER DEFAULT 1521 PROMPT 'Enter the listener port [1521]: '
-- Define substitution variables and column mapping.
COLUMN username NEW_VALUE username
COLUMN password_hash NEW_VALUE password_hash
COLUMN host_name NEW_VALUE hostname
COLUMN instance_name NEW_VALUE servicename
-- Populate substitution variables.
SELECT
name AS username,
-- Get the user's password hash(s) and apply appropriate formatting for case-sensitive password if needed (11g+ passwords).
NVL2(spare4, spare4 || ';' || password /* 11g+ */, password /* pre-11g */) AS password_hash
FROM sys.user$
WHERE name = UPPER('&username');
SELECT host_name, instance_name
FROM v$instance;
-- Set the user's password to a temporary value.
ALTER USER &username IDENTIFIED BY TempPass;
-- Use the temporary password to connect to the database as the user.
CONNECT &username/TempPass@(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=&hostname)(PORT=&listenerport))(CONNECT_DATA=(UR=A)(SID=&servicename)));
-- Reset the user's password to the original value using the original password hash(s).
ALTER USER &username IDENTIFIED BY VALUES '&password_hash';
SHOW USER
UNDEFINE username
UNDEFINE password_hash
UNDEFINE hostname
UNDEFINE servicename
UNDEFINE listenerport
WHENEVER SQLERROR CONTINUE
SET VERIFY ONAnd by so doing you just kicked the user's password expiration on down the road, negating the benefit of havng a password expiration.
Also, you locked out the legitimate user of this account, until such time as you reset it back to the original. And in the mean time, if this happens to be an account used by some automated process, that process doesn't know the new "temporary" password and runs a risk of locking the account from too many invalid connection attempts. Try to become SYSMAN or DBSNMP from this, and you will very quickly kill OEM.
This has "bad idea" written all over it. What problem is it supposed to be be solving?

Http listener to port 8087, can't edit Database_homepage.url to fix link

Installing Oracle XE on windows, I've used the instructions in the User Guide at "Changing the Listener Port Number for HTTP Connection Requests" to have the http listener run on port 8087. The last and optional step is to edit the file Database_homepage.url so that it knows about 8087. I'm not able to edit that file, I guess .url extension is a shortcut, and no text editor I have will open it. There must be a workaround, does anyone know what it is?

I have no idea how I could not have figured that out...probably a good thing that I took most of the day off today. Thanks.

Several process listening to the same port number

I hope I am in the right form (it's the third one I am trying).
I have server/client application, one server that handles a lot of clients. In general when ever a client approach the server, the server create new process (fork()) that handle the client request.
I would like to know if there is a problem that several processes (parent and several child processes) are listening to the same port number, is it better to create thread that would handle the client request, instead of creating a child process?
To better understand the problem I create very simple client and server application.
This is a part of the server application:
The server creates a socket, bind to this socket and then listen to this socket.
After that in a while (1) loop he waits for accept:
int sockclient = accept(sockId,(struct sockaddr*)(&client_addr), &addrLen);
When the server get a sockclient (client ask for service) he create new process (fork()) that handle the client request.
struct sockaddr_in addr, client_addr;
bzero(&addr,sizeof(struct sockaddr_in));
addr.sin_family = PF_INET;
addr.sin_port = 8865;
bcopy(ent->h_addr_list[0],&(addr.sin_addr), ent->h_length);
// bind
bind(sockId,(struct sockaddr*)(&addr), sizeof( struct sockaddr_in));
If it would help I can add the all code.
If you knows about articles that talked about this subject It might help too (I am talking about advantages and disadvantages of thread against process but regardless of sockets).

You might look at this article
http://httpd.apache.org/docs-2.1/misc/perf-tuning.html
under the section "accept Serialization - multiple sockets".

How to know the port number to which the server process is listening

I have created oracle 10g Release 1 database(orcl) in Windows Xp Professional edition through DBCA . I also created one more database(sample) manually .
The ORCL server process listens to port no 1521 and
SAMPLE server process listens to port no 1522
Once I start the OracleServiceORCL (Service for orcl) from services.msc and check the listener status it displays
Service "orcl" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
But when I start OracleServiceSAMPLE (Service for sample) from services.exe and check the listener status there is no change . Only when i start the instance the dynamic registration takes place with port no 1521 .
There is no entry for listener parameter in init.ora file . My question is how is the service ORCL able to get itself registered with the listener even before the instance is up ?
And how can i know which port no is linked with which server process?
Also if we provide a different port number(other than 1521 say 1522) in tnsnames.ora for a service and consider the listener is listening to both 1521 and 1522 . Now consider that port number 1521 is free . In this case to which port number will the service be listening to ?
The listener file looks like this
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = D:\oracle\product\10.1.0\Db_2)
(PROGRAM = extproc)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = irobo)(PORT = 1521))
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = irobo)(PORT = 1522))
The tnsnames file has the following entry
ORCL =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = irobo)(PORT = 1522))
(CONNECT_DATA =
(SERVICE_NAME = ORCL)
SAMPLE =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = irobo)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = ORCL)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
)

Service "orcl" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...[coe]
The status tells you the instance is up. Starting the service often means the instance gets started also, but whatever "often" means, "READY" means "The instance is up, running and taking callers".
Your statement that "ORCL [is] able to get itself registered with the listener even before the instance is up" is therefore factually incorrect: you started the service, that started the instance. The instance is up and running. Instances that aren't running don't exist. Things which don't exist don't register themselves. Things which HAVE registered themselves therefore do exist.. and if they say they are "ready", it means they are completely, 100% up and running and behaving quite normally.
I have not set LOCAL_LISTENER initialization parameter.How is this happening ?
You only need to set LOCAL_LISTENER if (a) you're not using TCP/IP, (b) you're not using port 1521. Otherwise, PMON is hard-coded to register itself with listeners running on port 1521 and using TCP/IP and you don't need to set LOCAL_LISTENER to achieve that.
Server Processes do not listen. Listeners do (there's a clue in their name). Listeners receive a call to connect to an instance, they spawn a server process to handle your call, and then they connect you to that server process (or send a message back to you telling you how to contact the server process). Each server process of course receives communications from its dedicated client on a specific port (usually in the 50000+ range), and that port is chosen randomly by the listener when it's spawning it. It's a bit blurry and vague to call that server process port a port on which server processes "listen", however.
If you're talking dedicated server, each client causes one new server process to be spawned, and there is a one-to-one correspondence between server processes and the port that server process happens to accept client communications on.
If you're going to ask a listener to do listening duty on multiple ports, I'd first question your need to do that and I'd then point out that unless your client tnsnames.ora knows to talk on the second or subsequent port numbers, the listener is never actually going to make use of that second port.
In either case, the port the listener listens on has nothing whatsoever to do with the port your client-to-server-process communication ends up taking place on.

Change XML DB default HTTP port number from 8080 to ... ?

Hi !
I need to change the default port number of XML DB from port 8080 to something else, because the development server also hosts a web service, which is configured to listen on port 8080 for debugging reasons. This WS is provided by our partner and we have no control over the ports it uses.
I'm not a network prof. so I'd like to ask what other port number would make sense for XML DB instead of 8080. Can I choose any port number I like, e.g. 8088?
Besides using DBCA is there any other place I need to configure this new port number?
TIA,
Stefan

I've done this on occasion using the OEM attach to the database and click XML Database then configuration, you will see it on the right window pane.

What is default database listener port number

Running emca script requested for database listener port number. Where do I get this information from.

If the port number is not specified in listener.ora,
you may get different values with 10gR1 such as 1509,
1525, 1525 or 1531 (on Windows XP SP2).
I guess this depends also on whether the TCP/IP port
1521 is really released or notI have seen what you have described above when port 1521 was in use by another process. If the port is not in use, I have not seen any thing other then 1521 assigned when the listener was created either during installation or afterwards using Net Assistant.

How to change the listener port number on a standby database

i want to change the listener port number from 1525 to 1545, which is running on a standby database.
i did the following steps and got some error.
1. i stop listener and modfy listener.ora
2. i login in standby DB and issue 'alter system set local_listener='(address=(pro=tcp)(host=10.10.10.10)(port=1545))';'
3. i login in dg broker and issue 'edit database 's1' set property 'LocalListenerAddress'='(address=(pro=tcp)(host=10.10.10.10)(port=1545))';' and a error coming out ORA-16703: cannot set the property while the database is enabled
4. then i disable database
DGMGRL> disable database 'ssmscs';
5. DGMGRL> edit database 's1' set property 'LocalListenerAddress'='(address=(pro=tcp)(host=10.10.10.10)(port=1545))';
Error: ORA-16541: site is not enabled
Configuration details cannot be determined by DGMGRL
what can i do ? can anybody help me out? thanks in advance.
Edited by: user1835127 on Nov 19, 2008 2:09 AM

Hi
You have to edit the following files in $ORACLE_HOME/network/admin or $TNS_ADMIN/ :
In your listener.ora on your standby
MQ_LIST =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = superman.dk)*(PORT = 1524))*
TNSNAMES.ORA (on your primary and standby)
MQ_LIST =
(DESCRIPTION =
(ADDRESS = (COMMUNITY = tcp.world)(PROTOCOL = TCP)(Host = superman.dk)*(PORT = 1524))*
(CONNECT_DATA = (SID = MQ_LIST))
after that do
lsnrctl reload

Unknown port number or missing HTTP listener

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