Opmn: HTTP server down

hi,
output is:
[orapp@dba3 bin]$ ./opmnctl startproc ias-component=HTTP_Server
opmnctl: starting opmn managed processes...
================================================================================
opmn id=dba3.oretail.com:6201
    0 of 1 processes started.
ias-instance id=ias1012.dba3.oretail.com
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
ias-component/process-type/process-set:
    HTTP_Server/HTTP_Server/HTTP_Server
Error
--> Process (pid=7081)
    failed to start a managed process after the maximum retry limit
    Log:
    /u02/app/orapp/product/10.1.2/opmn/logs/HTTP_Server~1
[orapp@dba3 bin]$
regards.

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Down Time for Installing APEX 4.2.1 and oracle HTTP server?

Hi, all:
I plan to install APEX 4.2.1 and oracle HTTP server on 10.2.0.4 database.
Is there any down time required during installation?
I mean during installation, do I need to block users from accessing the database?
Can they do their normal data entry / inquiry?
thanks,
John
ps. There will be server backup before installation.

Hi,
Documentation says
>
3.1 Recommended Pre-installation Tasks
Before installing Oracle Application Express, Oracle recommends that you complete the following steps:
Review and satisfy all Oracle Application Express installation requirements. See "Oracle Application Express Installation Requirements".
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>
Regards,
Jari
My Blog: http://dbswh.webhop.net/htmldb/f?p=BLOG:HOME:0
Twitter: http://www.twitter.com/jariolai

OPMN Configuration Assistant - start HTTP Server failed

Help!! This is the 7th time I saw this message.
My situation is:
1. Installing Oracle 10g on infrastructure option
2. My OS is Windows XP pro
3. I installed apache triad and apache HTTP server previously, but before installation I have removed.
4. I have followed the manual deinstallation in oracle 10g release doc before reinstallation.
Trying:
1.When I executed command in dos
opmnctl verbose startproc ias-component=HTTP_Serverand it show the following message
<?xml version='1.0' encoding='US-ASCII'?>
<response>
<opmn id="danaPC:6200" http-status="204" http-response="0 of 1 processes started
.">
<ias-instance id="infra.danapc">
<ias-component id="HTTP_Server">
<process-type id="HTTP_Server">
<process-set id="HTTP_Server">
<process id="1269235724" pid="2636" status="Init" index="1" log="C:\Or
acle\infra\opmn\logs\HTTP_Server~1" operation="request" result="failure">
<msg code="-21" text="failed to start a managed process after the ma
ximum retry limit">
</msg>
</process>
</process-set>
</process-type>
</ias-component>
</ias-instance>
</opmn>
</response>
2. The log file in opmn\logs\HTTP_SERVER~1 show
[warn] pid file c:/oracle/infra/apache/apache/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?
ap_spawn_child: Bad file descriptor
Couldn't fork child for piped log process
Hope we can come over thsi difficulty and give others the best solutions. Thanks

It was detailed on Metalink:
Subject:      Oracle9iAS 9.0.2.x HTTP Server Fails To Start When RotateLogs Is Used On Windows 2000
     Doc ID:      Note:225592.1      Type:      PROBLEM
     Last Revision Date:      05-MAR-2004      Status:      PUBLISHED
Oracle9iAS 9.0.2.x HTTP Server Fails To Start When RotateLogs Is Used On Windows 2000
* fact: Oracle HTTP Server Powered by Apache
* fact: Oracle 9i Application Server Enterprise Edition 9.0.2
* fact: MS Windows 2000
* symptom: Trying to use Rotate Log
* symptom: ORACLE_HOME/Apache/Apache/conf/httpd.conf contains the following:
* symptom: TransferLog "|rotatelogs $ ORACLE_HOME/Apache/Apache/logs/access_log 86400"
* symptom: EM website fails to start HTTP Server with errors:
* symptom: Oracle.sysman.emSDK.util.jdk.EMException: Timeout has been reached
* symptom: Oracle.sysman.emSDK.util.jdk.EMException: The opmn request has failed.
* symptom: From opmn: HTTP/1.1 400 Bad request Content-Length: 0 Content-Type: text/html Response: No processes matched the request.
* symptom: Check opmn log files such as ipm.log and ons.log for detailed.
* symptom: Starting HTTP Server from dcmctl gives error:
* symptom: ADMN-906025 The exception 806212 occurred
* symptom: Error in HTTP Server.1 log file:
* symptom: [error] (9)Bad file descriptor: dup2(stdin) failed ap_spawn_child: Bad file descriptor Couldn't fork child for piped log process
* cause: Bug 2438924 ONE OF APACHE PROCESSES WHICH USES ROTATELOGS.EXE CANNOT BE STARTED
fix:
1. Take a backup of $ORACLE_HOME\opmn\conf\opmn.xml
2. Edit Insert $ORACLE_HOME\opmn\conf\opmn.xml
3. Change line:
<ohs gid="HTTP Server"/>
to:
<ohs gid="HTTP Server">
<environment>
<prop name="ComSpec" value="C:\WINNT\system32\cmd.exe"/>
</environment>
</ohs>
4. Shutdown iAS completely and then restart iAS and HTTP Server starts.

OPMN and HTTP server problem

Hi all,
I'm trying to install Application Server Infrastructure on RHEL 3, I Managed the connect the OID with database repository on another server..
But the installation failed at OPMN configuration assistant-start HTTP server!
I continued the installation anyway and used configToolCommands to configure the rest of the required tool, so now every thing is configured well exept for the (OPMN configuration assistant-start HTTP server)
in the installation log file, this was what I found:
ias-component/process-type/process-set:
HTTP_Server/HTTP_Server/HTTP_Server
Error
--> Process (pid=14674)
failed to start a managed process after the maximum retry limit
Log:
/u01/app/oracle/product/9.0.4/IMHome/opmn/logs/HTTP_Server~1
Invalid Exit Code. The following result code will be used for configuration assistants: 1
Configuration assistant "OPMN Configuration Assistant - start HTTP Server" failed
So..Any idea what could be the problem? and how can I solve it?
Plz,reply as soon as you can, it's urgent..
Thx.
Asma

try this...there might be a port conflict with webcache and Http.
if you do not need webcache..stop it and start http.
opmnctl stopproc ias-component=Webc{C}ahe
opmnctl startproc ias-component=HTTP_Server
i am positive it will be port conflict. try running your http in a different port.

Problems with running HTTP-Server (opmn) on RHEL4 x86_64

I have installed Oracle 10g DB R2 on RHEL4 x86_64 and HTTP-Server from Companion CD
After running opmn appears problems:
1. The system message: "ip_conntrack: table full, dropping packet"
2. I have thousands established TCP-session on 127.0.0.1 to port 6100
And the network on my server more died than alive :-(
What is it?

Hi Hema,
There could be various things that explain this, but from your symptoms it looks like the engine is hung processing this report. This could be as simple as a PL/SQL trigger that is in an infinite loop. Anyway, a simple thing to do is to add TRACEFILE=filename&TRACEMODE=append&TRACEOPTS=TRACE_ALL onto your URL. This will create the specified file and dump information into it about what Reports is doing as it is processing your report. If it is hung in an infinite loop, you should be able to see how far it got when you kill it.
Also, you can see the status of the reports job queue by using the http://.../rwcgi60?showjobs command. If the report is executing forever, you'll see it sitting there in the job queue.
regards,
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TREX - Search Failure - HTTP Server error: 503 - Queue Server down

Hello,
I've got a problem with TREX, the following tasks results in erros:
Default Search
Search Failure
Error during search occurred - com.sapportals.wcm.WcmException: HTTP server error: 503 (Errorcode 7266)
An unexpected severe error occurred during the search call. If the situation persists, inform your system administrator.
Creating Index
Error 503
- On Index Administration: indexes status are green
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Starting Time: 9:16:23 AM
Starting Date: May 19, 2010
Request Name: NW:J2E:SRV:HTTP
User ID: <my user>
Outbound Data: n/a
Duration: 395671
CPU Time: 5812
Component Entries: 26
Component with Largest Net Time: EP:KM:TREX:HTTP:<host>:30205
Largest Net Time: 38867
Component with Largest Net CPU Time: EP:PRT_render:.../com.sap.km.TrexMonitor
Net CPU Time: 5674
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BASIS team reseted TREX and it's working again

HTTP Server Doesn't Start after install

I just completed an install of the 10.1.3.1 Oracle App Server. It indicated that the install was successful. I can see in the log the BPEL Manager deploying in the default domain, but I do not see any reference to the HTTP server. Also, when I do a *./opmnctl startall* there is no HTTP_Server~1.log created.
Is there a step I need to complete to enable the Apache server to start? I must be missing something - the Apache folder is there in the install folder.
The *./opmnctl status* reports:
Processes in Instance: AS02.ssg-st-bpel-build0-dev.vzbi.com
---------------------------------+--------------------+---------+---------
ias-component                    | process-type       |     pid | status
---------------------------------+--------------------+---------+---------
OC4JGroup:default_group          | OC4J:home          |   18970 | Alive
ASG                              | ASG                |     N/A | DownI found the following in the installActions log:
Install type for "Oracle HTTP Server 10.1.3.0.0 " is "Typical".
# Not all the dependencies for the component Oracle HTTP Server 10.1.3.0.0 could be found. Missing component oracle.bc4j 10.1.2.0.0.
# Not all the dependencies for the component Oracle HTTP Server 10.1.3.0.0 could be found. Missing component oracle.bc4j.oem 10.1.2.0.0.
# Not all the dependencies for the component Oracle HTTP Server 10.1.3.0.0 could be found. Missing component oracle.soap.srv 2.2.0.0.2a.
# Not all the dependencies for the component Oracle HTTP Server 10.1.3.0.0 could be found. Missing component oracle.apache.ejb 9.0.1.0.1.
# Not all the dependencies for the component Oracle HTTP Server 10.1.3.0.0 could be found. Missing component oracle.apache.ojsp 10.1.2.0.0.
     Conflict while setting install type of "Oracle Process Management Notification 10.1.3.1.0 " to "Typical (Typical)". Install type already set to "Complete (Complete)". Seting it to "Custom (Custom)".
# Not all the dependencies for the component Oracle HTTP Server 10.1.3.0.0 could be found. Missing component oracle.dcm 10.1.2.0.0.
# Not all the dependencies for the component Oracle HTTP Server 10.1.3.0.0 could be found. Missing component oracle.sysman.emd 10.0.2.0.0.
# Not all the dependencies for the component Oracle HTTP Server 10.1.3.0.0 could be found. Missing component oracle.java.j2ee.iascfg 10.1.2.0.0.
# Not all the dependencies for the component Oracle HTTP Server 10.1.3.0.0 could be found. Missing component oracle.logloader 10.1.2.0.0.
# Not all the dependencies for the component Oracle HTTP Server 10.1.3.0.0 could be found. Missing component oracle.webdb.monitor 10.1.2.0.0.
What am I missing? Is there a package I need to install before installing the App Server?
Edited by: BCurtis on Sep 24, 2010 3:22 PM
Edited by: BCurtis on Sep 24, 2010 3:25 PM

I now know I'm missing the <ias-component id="HTTP_Server"> in the opmn.xml file. The following is from an older install of a few years ago.
         <ias-component id="HTTP_Server">
            <process-type id="HTTP_Server" module-id="OHS">
               <module-data>
                  <category id="start-parameters">
                     <data id="start-mode" value="ssl-enabled"/>
                  </category>
               </module-data>
               <process-set id="HTTP_Server" numprocs="1"/>
            </process-type>
         </ias-component>This explains why the startall doesn't start the HTTP Server, but why would the install not include the HTTP Server in the configuration?

Problem:HTTP Server restarts automatically

Hi,
We are having a peculiar problem. Our portal was upgraded from 9iR2 9.0.2.6.18 to 10gR2 10.1.2.0.2. The upgrade completed successfully. After upgrade the portal HTTP Server is restarting by itself randomly.
The Portal & Infra oracle homes are on a single server.The server config is
2CPU Intel Xeon 2.80 GHz 3GB RAM
Following are the message which can be seen in different log files
Apache error log
[Wed Mar 08 21:18:13 2006] [warn] [client 131.127.124.93] mod_plsql: Long running URL [pls/portal/!PORTAL.wwpro_app_provider.execute_portlet/39337141/2] timed out
Opmn/ipm.log
06/03/08 17:09:07 [4] [libopmnohs] Process Ping Failed: HTTP_Server~HTTP_Server~HTTP_Server~1 (1357512845:6780) [The connection SSL receive timed out]
06/03/08 17:33:10 [4] [libopmnohs] Process Ping Failed: HTTP_Server~HTTP_Server~HTTP_Server~1 (1357512845:6780) [The connection SSL receive timed out]
06/03/08 17:34:00 [4] [libopmnohs] Process Ping Failed: HTTP_Server~HTTP_Server~HTTP_Server~1 (1357512845:6780) [The connection SSL receive timed out]
06/03/08 17:34:50 [4] [libopmnohs] Process Ping Failed: HTTP_Server~HTTP_Server~HTTP_Server~1 (1357512845:6780) [The connection SSL receive timed out]
06/03/08 17:34:50 [4] [libopmnohs] Process Unreachable: HTTP_Server~HTTP_Server~HTTP_Server~1 (1357512845:6780)
06/03/08 17:34:52 [4] Stopping Process: HTTP_Server~HTTP_Server~HTTP_Server~1 (1357512845:6780)
06/03/08 17:35:52 [4] Stopping Process: HTTP_Server~HTTP_Server~HTTP_Server~1 (1357512845:6780)
06/03/08 17:35:52 [4] [libopmnohs] Forcefully Terminating Process: HTTP_Server~HTTP_Server~HTTP_Server~1 (1357512845:6780)
06/03/08 17:35:54 [4] Starting Process: HTTP_Server~HTTP_Server~HTTP_Server~1 (1357512845:0)
06/03/08 17:35:57 [4] Process Alive: HTTP_Server~HTTP_Server~HTTP_Server~1 (1357512845:6532)
Webcache Event.log
[08/Mar/2006:21:20:24 +0000] [warning 11207] Origin server <hostname>:7779 (id=0) is down; OracleAS Web Cache starts polling for status.
[08/Mar/2006:21:20:24 +0000] [warning 14003] Error while receiving response from the origin server
[08/Mar/2006:21:20:24 +0000] [error 11364] Network error response is returned.
[08/Mar/2006:21:20:24 +0000] [error 11385] The request fails because the service is unavailable.
[08/Mar/2006:21:20:24 +0000] [warning 14003] Error while receiving response from the origin server
[08/Mar/2006:21:20:24 +0000] [error 11364] Network error response is returned.
[08/Mar/2006:21:20:24 +0000] [error 11385] The request fails because the service is unavailable.
[08/Mar/2006:21:20:24 +0000] [warning 14003] Error while receiving response from the origin server
[08/Mar/2006:21:20:24 +0000] [error 11364] Network error response is returned.
[08/Mar/2006:21:20:39 +0000] [warning 11209] Origin server <hostname>.com:7779 (id=0) is back up; OracleAS Web Cache stops polling and restores origin server.
We are unable to nail down the issue for long time. Any suggestion towards resolving the problem will be highly appreciated.
Pls refer to metalink SR 5171244.993 if more details are needed

<ias-component id="HTTP_Server">
<process-type id="HTTP_Server" module-id="OHS">
<module-data>
<category id="start-parameters">
<data id="start-mode" value="ssl-disabled"/>
</category>
</module-data>
<start timeout="900" retry="2"/>
<stop timeout="120"/>
<restart timeout="720" retry="2"/>
<ping timeout="1800" interval="20"/>
<process-set id="HTTP_Server" numprocs="1"/>
</process-type>
</ias-component>

Apex Newbie question !!!!! HTTP server ????

I am newbie at APEX. I have a DBA background, but no experience with Oracle applications.
I DO respect your time, and have tried to find this info on teh docs, but, honestly, can not find it. And I looked over everywhere, metalink, otn, gogling. I thought that I would find it on these forums under some form of FAQs, but have not found the answer :-(
I have installed oracle database 11g for windows on my laptop, and when installing APEX 3.2, it asks me to stop the http server and ..... :-)
Now, I have a question regarding the Oracle HTTP server, which is supposed to be isntalled with the 11g, instead of the Companion CD, which no longers exist.
First question. We have a http server that is used by oracle EM database control, correct ? I do not see a service for it on the Services list. Teh apex application install asks for stopping/starting the http server. How do we do that ? AND, where the the http server binaries located ? I did a search for apache, and found it under C:\app\oracle\product\11.1.0\db_1\perl\site\5.8.3\lib\Apache, but no binaries there, or under ORACLE_BASE\bin either.
What do I setup for ORACLE_HTTPSERVER windows environment on a brand new 11g database install ?
Now, I see that we can get HTTP server from BEA install. I was trying to keep APEX from using a web server tier here. To me, the beauty of APEX is to not have to manage BEA, or any other tier. Keep it simple, at least for development, and keep everything on the DB, and simply use the native HTTP server.
So, this is a VERY basic question, but how do I do that ? I will worry about what I can and can not do with the native HTTP server or BEA later. I just want to get this up and running so that I can start playing with it.
Thanks,
Henrique

Here is my latest update before I go to bed :-(
I was able to install the HTTP server, but had some issues later down on the apex install.
C:\app\oracle\product\10g-iAS-http-server\opmn\bin>opmnctl status
Processes in Instance: IAS-1
--------------------------------------------------------------+---------
ias-component | process-type | pid | status
--------------------------------------------------------------+---------
HTTP_Server | HTTP_Server | 5204 | Alive
I am able to see the welcome page for the web server here
http://localhost:7777/
I am able to reset the admin password, ( by the way, I did setup the gateway as well :-) ). I am not sure what happens when you have both the gateway and the web server setup. Now, when try to login to the apex admin account using either
http://localhost:7777/apex/apex_admin or
http://localhost:7777/pls/apex/apex_admin, nothing happens besides a HTTP-404 error.
Now, when I had the port set to 8080, via the commands
SQL> EXEC DBMS_XDB.SETHTTPPORT(8080);
PL/SQL procedure successfully completed.
SQL> SELECT DBMS_XDB.GETHTTPPORT FROM DUAL;
GETHTTPPORT
8080
and try to login again here
http://localhost:7777/pls/apex/apex_admin
I do get a prompt, but when i enter admin, and the password I have setup, it does not allow me to get in :-(
Now, I need some explanation of this DAD file, as I am not sure if I need it to simply login during install. Here is the man page from the install doc :
3.4.11.1 Creating a Workspace Manually
To create an Oracle Application Express workspace manually:
Log in to Oracle Application Express Administration Services. Oracle Application Express Administration Services is a separate application for managing an entire Oracle Application Express instance. You log in using the ADMIN account and password created or reset during the installation process.
In a Web browser, navigate to the Oracle Application Express Administration Services application.
If your setup uses Apache and mod_plsql, go to:
http://hostname:port/pls/apex/apex_admin
Where:
hostname is the name of the system where Oracle HTTP Server is installed.
port is the port number assigned to Oracle HTTP Server. In a default installation, this number is 7777.
pls is the indicator to use the mod_plsql cartridge.
***apex is the database access descriptor (DAD) defined in the mod_plsql configuration file.***
Here it mentions this DAD file, and I am not sure if I need it now, and even, how to reference it. My database name is called apex, but I do not have anything on my dads.conf file. Should I have something there ? I see a sample such as this from the README.DADs file :
<Location /plsqlapp>
SetHandler pls_handler
Order deny,allow
Allow from all
AllowOverride None
PlsqlDatabaseUsername scott
PlsqlDatabasePassword tiger
PlsqlDatabaseConnectString orcl
PlsqlAuthenticationMode Basic
PlsqlDefaultPage scott.home
PlsqlDocumentTablename scott.wwdoc_document
PlsqlDocumentPath docs
PlsqlDocumentProcedure scott.wwdoc_process.process_download
</Location>
It is a bit late tonite. Tomorrow I will get back at it.
Thanks for any help, but I must be doing something really obvious to you guys here, and I can't see it :-(
Cheers,
Henrique

Apache err log on http server *broken pipe* each time a message comes thru

I've noticed on our http server, each time a message comes through for B2B we consistently get the following entries in the Apache error log:
(32)Broken pipe: MOD_OC4J_0087: Got an unexpected error while calling send() to send a message to oc4j and the error code is 32.
MOD_OC4J_0053: Failed to call network routine to send out an ajp13 buffer message to oc4j.
MOD_OC4J_0027: Failed to send out an ajp13 message to oc4j.
MOD_OC4J_0026: Failed to marshal a request to ajp13 message headers or send them to the web container.
Any idea what's causing this? Everything seems to be going through OK.
I'm trying to track down an issue that occurred over the weekend. I don't think this is related, but I do need to address it.
Thanks.
[

Hello,
Here is my 2 cents.
Oracle recommends you set the Oc4jCacheSize parameter to reduce the occurrences of MOD_OC4J_0087 and
related errors in your Apache error logs. To change this parameter, follow these steps:
1. Stop the OPMN processes on the middle tier.
2. On the middle-tier computer, open a terminal window and go to $ORACLE_HOME/Apache/Apache/conf.
3. Enter the following command:
cp mod_oc4j.conf mod_oc4j.conf.pre3604573
4. Edit the mod_oc4j.conf file by adding the following line after the </IfModule> line, but before the
Oc4Jmount /j2ee/* line:
Oc4jCacheSize 0
5. Start the OracleOPMN processes on the middle tier.
I would still suggest to analyze the stack trace further for exact issues.
Rgds,Ramesh

Administration of Oracle HTTP Server in Application Server 10.1.3.1

Hi
Can anyone tell me how to administer the Oracle HTTP Server from the Application Server Control not directly from the configuration files in Oracle Application Server 10.1.3.1.
I have followed the instructions given but the link for the HTTP Server is not activated and can't be clicked in the System Components table in Oracle Application Server Control page.
In the instructions given by the Oracle HTTP Server Admin guide was mentioned an user : ias_admin. But I haven't found it. All the users listed are oc4jadmin and something like JRAadmin.
Can anyone tell me how to proceed to make possible HTTP Server Administration, Configuration and Mainteinance directly from the Application Server Control in Enterprise Manager.
Best regards
Drini

Hi
First of all, I am using the application server right now. I have deployed there a Java Web Service.
In the directory that you specified it wasn't something like setupinfo.tx but readme.txt the contents of which I am pasting below
////////Readme.txt////////////////
The installation of Oracle Application Server 10g 10.1.3.1.0 was successful.
These instructions are located in D:\product\10.1.3.1\OracleAS_1\install\readme.txt for your future reference.
You can view the status of the server with the following command:
D:\product\10.1.3.1\OracleAS_1\opmn\bin\opmnctl status
Access the Welcome Page with the following URL:
http://server:8888/
Access the Oracle Enterprise Manager 10g Application Server Control via the following URL:
http://server:8888/em
Installation Details:
Installation Directory: D:\product\10.1.3.1\OracleAS_1
Installation Type: J2EE Server and Web Server
Installed Components: Oracle HTTP Server, Oracle Containers for J2EE (OC4J), and Oracle Process Manager & Notification Server (OPMN)
Instance Name: as10gamf2.server
Administrator Username: oc4jadmin
The log file containing the details of Configuration Asistants is located in D:\product\10.1.3.1\OracleAS_1\cfgtoollogs
\\\\ End of Readme.txt \\\\\\\\\\\
i have tried before the opmnctl status command and it says that the HTTP_Server and the OC4JGroup are alive. Only ASG is down. This is by default in all iAS installations I have done.
Best Regards
Drini

DMZ pattern with single HTTP server and OC4J separated

I am new to Oracle products and I am I trying to configure 9iAS Rel 2 for a JSP/servlet project and would greatly appreciate any comments or pointers to specific documents that may be helpful.
I would like to use the DMZ pattern for a small application without clustering anything or installing Infrastructure. I would like to have just the HTTP server between the two firewalls and have the application server (hosting the business logic) and the database server (9i Rel 2) behind the second firewall. I want to keep this as simple as possible.
Is there any way to install just an HTTP server (such as Apache) in between the two firewalls and have it direct requests to the Oracle 9i (Rel 2) application server (J2EE & Web cache installation) behind the second firewall?
If that is not possible (due to the need for Oracle's HTTP server and mod_OC4J to forward requests), then I would assume that I would have to install a copy of 9iAS on the one machine between the two firewalls (so that I would have the Oracle HTTP server with mod_OC4J) and then install another copy on a machine behind the second firewall (to host the business logic). Is this correct?
With those installations in place, would I then follow the modifications that are mentioned in "Scenario C: Routing (or clustering) Instances Across Firewalls" of the 'Oracle9i Application Server: mod_oc4j Technical Overview' (i.e modify the following files opmn.xml, ons.conf mod_oc4j.conf) so that the 9iAS in between the two firewalls ignores its OC4J and forwards requests the to 9iAS behind the second firewall? (I know that this document is talking about clustering which is what I do not want to do, but I can't find any information about trying to put a single instance of a HTTP server in the DMZ while having a single instance of OC4J behind the second firewall).
Would a better approach be to install a copy of 9iAS in the DMZ and then install a stand along copy of OC4J behind the second firewall?
Does mod_oc4j automatically install with the J2EE and Web cache installation of 9iAS Rel 2?
Thanks for your insights,
- David

You'r on the right track. You can't install just OHS or just OC4J seperatly but you can get the end result you are looking for.
Install an iAS instance (j2ee&webcache) in the DMZ and shutdown all but the OHS process.
Instanll a second iAS instance behind your firewall an shut down all but the OC4J process.
you now have effectively what you want OHS in the DMZ and OC4J at the intranet.
Now if you follow the directions in the Mod_oc4j overview doc. You modify the ons.conf by using the dcmctl commands
getopmnport/addopmnlink
Then you modify the mod_oc4j.conf using the instance:// tag to rouet requests from the OHS in the DMZ to the OC4J's
in the intranet.
You will need to open ports in the firewall for the ajp traffic between OHS and the OC4J's

HTTP Server - change port 7777 to 80

Hi all!
I have installed, in Linux_x86 (Enterprise Linux), a database 10.2.0.1, the HTTP Server from companion CD and the Apex 2.2.1.
I want to change the default port of HTTP Server 7777 to the port 80.
For that I change the httpd.conf:
port:80
listen:80
then I follow the manual of administration of HTTP Server and I done:
as root - chown root .apachectl
chmod 7560 .apachectl
I change again to user oracle and I tried to restart the HTTP Server but i can't.
error:
RCV: Permission denied
Communication error with the OPMN server local port.
Check the OPMN log files
Now, I only can start the HTTP Server with the user root.
Is that normal? I missed something?
And now I can access the page of the http server but i can´t reach the Apex - when I write http://hostname/pls/apex - the browser change it to http://hostname/pls/apex/apex and gives the following error:
Service Temporarily Unavailable
The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.
Oracle-Application-Server-10g/10.1.2.0.0 Oracle-HTTP-Server Server at oracle.com.pt Port 80
Thank you in advance,
CD
Message was edited by:
user524118

Hi,
I have a similar problem.
Could you please write down how you solve your problem.
regards,
Mzz

Single Sign-on and HTTP Server not started

I have installed oracle9iAS on SuSE Linux Enterprise Server 8 (SLES 8) which is certified by Oracle to run oracle9iAS. Everything was working propely after installation but when I restarted the server, the listener, the iasdb instance, and the EM started properly but when I went to http://servername:1810 and clicked on start all i got them all started but the HTTP Server and the Single Sign-on. When I tried to start the HTTP Server individually i got the following error:
oracle.sysman.emSDK.util.jdk.EMException: The opmn request has failed. From opmn: HTTP/1.1 204 No Content Content-Length: 0 Content-Type: text/html Response: 0 of 1 processes started. Check opmn log files such as ipm.log and ons.log for detailed.
I checked the log and its showing the following:
03/10/25 16:44:23 Connection 0,192.168.10.11,6200 message missing 'Content-Lengt
h'
GET /dms0/Spy?recurse=all&format=xml&operation=get&value=false&units=true&descri
ption=true&name=%2F HTTP/1.1
Host: linux2.future:6200
Connection: Keep-Alive, TE
TE: trailers, deflate, gzip, compress
User-Agent: RPT-HTTPClient/0.3-3
Cache-Control: no-cache
Pragma: no-cache
Accept-Encoding: deflate, gzip, x-gzip, compress, x-compress
I tried to start it from command line with the command
$dcmctl start -ct ohs
and it returned ADMN-906025
Anyone can help me solving this problem??

This error Can be caused by a syntax error in your httpd.conf file, check it / correct it try reloading OHS.
Ensure that emctl is not running when you run any dcmctl commands! If you have already run any dcmctl commands with emctl running that can cause your problem - if so to fix it solution is really to re-install.

HTTP Server fails to starts during E-Business installation

Hello All,
I am having issues installing e-business suite 12.1.1 on Oracle Linux 6.2.
I have applied all the correct packages (and a couple that were not listed in the installation instructions), applied required patches, upgraded the startCD version to the latest, run the md5sum checks on the Stage directory, and a bunch of manual stuff which it doesn't tell you to do in the installation notes, but you have to do to make it work, e.g. linking unzip 5.x from the startCD to /usr/bin/unzip. I thought that I had it cracked until it failed at the last HTTP Server checks.
I have attempted to restart services manually but it appears as though the HTTP server cannot start due to a missing library libdb-4.3.so:
HTTP_Server~1.log
*/u01/applR12/inst/apps/<SID>_<HOST>/ora/10.1.3/Apache/Apache/bin/apachectl startssl: execing httpd*
*/u01/applR12/apps/tech_st/10.1.3/Apache/Apache/bin/httpd: error while loading shared libraries: libdb-4.3.so: cannot open shared object file: No such file or directory*
There was another post where a similar issue was resolved in a OEL 5 x86.x64 install by applying a i383 gdbm package, and linking the existing library as the document id which you posted suggested.
This package cannot be applied, as I have attempted.
I then started to look for the library which is reported in the logs as being missing, i.e. libdb-4.3.so. This does not appear to exist for OEL 6.
I then looked further afield and found a Centos 6.2 rpm which contained this library. I extracted this and linked it to the libdb.so.2 (patch 6078836).
I am getting the following from the adstrtal.log (I ran the cat command as root not adstrtal.sh which I ran as the application user):
*# cat /u01/applR12/inst/apps/<SID>_<HOST>/logs/appl/admin/log/adstrtal.log | grep Failed*
Web Application Services OACORE OC4J Instance <SID>_<HOST> adoacorectl.sh Failed
Web Application Services FORMS OC4J Instance <SID>_<HOST> adformsctl.sh Failed
Web Application Services OAFM OC4J Instance <SID>_<HOST> adoafmctl.sh Failed
This is different to what I was seeing previously where all a 4 Web Application Services had failed
*# cat /u01/applR12/inst/apps/<SID>_<HOST>/logs/appl/admin/log/adstrtal.log | grep -v "status 0" | grep status*
adoacorectl.sh: exiting with status 150
adformsctl.sh: exiting with status 150
adoafmctl.sh: exiting with status 150
ServiceControl is exiting with status 3
Looking at the respective log files I am seeing the following:
adoacorectl.txt
*06/27/12-07:35:10 :: adoacorectl.sh version 120.13*
*06/27/12-07:35:10 :: adoacorectl.sh: starting OPMN if it is not running*
opmnctl: opmn is already running.
*06/27/12-07:35:10 :: adoacorectl.sh: Starting OPMN managed OACORE OC4J instance*
opmnctl: starting opmn managed processes...
*================================================================================*
opmn id=<HOST>:6200
no processes or applications matched this request
*06/27/12-07:35:10 :: adoacorectl.sh: exiting with status 150*
*================================================================================*
adformsctl.txt
*06/27/12-07:35:11 :: adformsctl.sh version 120.16*
*06/27/12-07:35:11 :: adformsctl.sh: starting OPMN if it is not running*
opmnctl: opmn is already running.
*06/27/12-07:35:11 :: adformsctl.sh: Starting OPMN managed FORMS OC4J instance*
opmnctl: starting opmn managed processes...
*================================================================================*
opmn id=<HOST>:6200
no processes or applications matched this request
*06/27/12-07:35:11 :: adformsctl.sh: exiting with status 150*
*================================================================================*
adoafmctl.txt
*06/27/12-07:35:11 :: adoafmctl.sh version 120.8*
*06/27/12-07:35:11 :: adoafmctl.sh: starting OPMN if it is not running*
opmnctl: opmn is already running.
*06/27/12-07:35:11 :: adoafmctl.sh: Starting OPMN managed OAFM OC4J instance*
opmnctl: starting opmn managed processes...
*================================================================================*
opmn id=<HOST>:6200
no processes or applications matched this request
*06/27/12-07:35:11 :: adoafmctl.sh: exiting with status 150*
*================================================================================*
Running adapcctl.sh by itself I am seeing the same issue reported in the log files:
*$ ./inst/apps/<SID>_<HOST>/admin/scripts/adapcctl.sh start*
You are running adapcctl.sh version 120.7.12010000.2
Starting OPMN managed Oracle HTTP Server (OHS) instance ...
opmnctl: opmn is already running.
opmnctl: starting opmn managed processes...
*================================================================================*
opmn id=<HOST>:6200
no processes or applications matched this request
adapcctl.sh: exiting with status 0
adapcctl.sh: check the logfile /u01/applR12/inst/apps/<SID>_<HOST>/logs/appl/admin/log/adapcctl.txt for more information
Looking at the log file I can see the following:
*06/27/12-08:15:27 :: adapcctl.sh version 120.7.12010000.2*
*06/27/12-08:15:27 :: adapcctl.sh: starting OPMN if it is not running*
opmnctl: opmn is already running.
*06/27/12-08:15:27 :: adapcctl.sh: starting OPMN managed OHS instance*
opmnctl: starting opmn managed processes...
*================================================================================*
opmn id=<HOST>:6200
no processes or applications matched this request
*06/27/12-08:15:27 :: adapcctl.sh: exiting with status 0*
*================================================================================*
I have attempted to restart opmn using adopmnctl.sh, which was unsuccessful. Looking at the HTTP_Server~1.log I can see the following the error:
*/u01/applR12/inst/apps/<SID>_<HOST>/ora/10.1.3/Apache/Apache/bin/apachectl startssl: execing httpd*
*/u01/applR12/apps/tech_st/10.1.3/Apache/Apache/bin/httpd: error while loading shared libraries: libdb-4.3.so: cannot open shared object file: No such file or directory*
Has been replaced by the recurring message:
*/u01/applR12/inst/apps/<SID>_<HOST>/ora/10.1.3/Apache/Apache/bin/apachectl startssl: execing httpd*
Syntax error on line 264 of /u01/applR12/inst/apps/<SID>_<HOST>/ora/10.1.3/Apache/Apache/conf/httpd.conf:
Cannot load /u01/applR12/apps/tech_st/10.1.3/Apache/Apache/libexec/mod_ossl.so into server: /u01/applR12/apps/tech_st/10.1.3/Apache/Apache/libexec/mod_ossl.so: undefined symbol: dbm_firstkey
Looking at line 264 of httpd.conf I can see the following:
LoadModule ossl_module libexec/mod_ossl.so
Which looks fine when compared to the rest of the file.
I am not able to look at the /u01/applR12/apps/tech_st/10.1.3/Apache/Apache/libexec/mod_ossl.so.
I do not know where else to go with this now. Any guidance which you could provide would be very much appreciated.
Regards,

Hello Hussein,
Thank you for getting back to me! As per the installation instructions it states the following:
# cd /usr/lib
# ln -s libdb-4.7.so libdb-4.3.so
However there is no libdb-4.7.so library there to link to.
I have installed the db4 i686 & x86_64 packages which contain this library, then performed the above. I then ran the adstrtal.sh command which completed without incident.
As such the Required Packages in the installation instructions should be updated to include the following:
db4.i686
db4-devel.i686
db4.x86_64
db4-devel.x86_64
Regards,

Opmn: HTTP server down

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