Problems with Oracle, Apache, mod_ssl and firewalls - hang

Hi,
We have an Apache server as supplied by Oracle (1.3.19), serving both
static html and mod_plsql pages.
When the system is accessed via SSL and the Internet, it will tend to hang
after a relatively short time - especially if two people access at the same
time. This is seen at the browser as a page that simply fails to arrive,
there is no standard 'Page could not be found' type message.
A network sniffer seems to show that there is some continuing network
traffic, but the Apache error_log does not show activity.
If the system is accessed without SSL but still via the Internet then there
appears to be no problems and the system runs a lot faster than SSL +
Internet.
If the system is accessed with SSL but internally so avoiding the Internet
then there also appears to be no problems and the system runs faster than
SSL + Internet.
Our servers are running NT4 SP6.
Our firewall is Checkpoint NG running on Solaris (although we also
swapped in a Nokia firewall running Checkpoint 4.1 which had the same
results).
Any thoughts on what might be occurring, what we should be looking at
next?
Andy

Can anyone say, what's thue problem:
openssl req -new -key key.pem -out req.pem
and i see it :((
Using configuration from /usr/local/ssl/openssl.cnf
Unable to load config info
unable to find 'distinguished_name' in config
problems making Certificate Request
740:error:0E06D06A:configuration file routines:NCONF_get_string:no conf or environment variable:.\crypto\conf\conf_lib.c:343:
740:error:0E06D06A:configuration file routines:NCONF_get_string:no conf or environment variable:.\crypto\conf\conf_lib.c:343:
740:error:0E06D06A:configuration file routines:NCONF_get_string:no conf or environment variable:.\crypto\conf\conf_lib.c:343:
740:error:0E06D06A:configuration file routines:NCONF_get_string:no conf or environment variable:.\crypto\conf\conf_lib.c:343:
740:error:0E06D06A:configuration file routines:NCONF_get_string:no conf or environment variable:.\crypto\conf\conf_lib.c:343:
740:error:0E06D06A:configuration file routines:NCONF_get_string:no conf or environment variable:.\crypto\conf\conf_lib.c:343:
740:error:0E06D06A:configuration file routines:NCONF_get_string:no conf or environment variable:.\crypto\conf\conf_lib.c:343:
740:error:0E06D06A:configuration file routines:NCONF_get_string:no conf or environment variable:.\crypto\conf\conf_lib.c:343:

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Andre

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     at fuego.connector.impl.BaseJ2EEConnector.getResource(BaseJ2EEConnector.java:92)
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     at fuego.connector.J2EEHelper.getReadOnlyContext(J2EEHelper.java:86)
     ... 12 more
Edited by: user2262377 on Jun 22, 2009 4:01 PM

I guess the weblogic.jar is not included in the studio.
So, i added weblogic.jar (Weblogic 10.3) and wlclient.jar (Weblogic 10.3)
It is working in my simple java code. But, still not working in BPM Studio.
The error logs:
An exception occurred while getting a resource from a connector.
Detail:The connector [OFT_APP_DS:SQL:REMOTE_JDBC] caused an exception when getting a resource.
Caused by: java.lang.Object cannot be cast to java.io.Serializable
fuego.connector.ConnectorException: An exception occurred while getting a resource from a connector.
Detail:The connector [OFT_APP_DS:SQL:REMOTE_JDBC] caused an exception when getting a resource.
     at fuego.connector.ConnectorException.exceptionOnGetResource(ConnectorException.java:88)
     at fuego.connector.JDBCHelper.getReadOnlyConnection(JDBCHelper.java:93)
     at fuego.sqlintrospector.BrowserPanel.connect(BrowserPanel.java:395)
     at fuego.sqlintrospector.BrowserPanel.populateTree(BrowserPanel.java:200)
     at fuego.ui.wizards.ui.CheckTreeBrowser$1.construct(CheckTreeBrowser.java:63)
     at fuego.ui.SwingWorker$2.run(SwingWorker.java:39)
     at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.ClassCastException: java.lang.Object cannot be cast to java.io.Serializable
     at weblogic.iiop.IIOPOutputStream.writeAny(IIOPOutputStream.java:1588)
     at weblogic.iiop.IIOPOutputStream.writeObject(IIOPOutputStream.java:2231)
     at weblogic.utils.io.ObjectStreamClass.writeFields(ObjectStreamClass.java:413)
     at weblogic.corba.utils.ValueHandlerImpl.writeValueData(ValueHandlerImpl.java:235)
     at weblogic.corba.utils.ValueHandlerImpl.writeValueData(ValueHandlerImpl.java:225)
     at weblogic.corba.utils.ValueHandlerImpl.writeValue(ValueHandlerImpl.java:182)
     at weblogic.iiop.IIOPOutputStream.write_value(IIOPOutputStream.java:1963)
     at weblogic.iiop.IIOPOutputStream.write_value(IIOPOutputStream.java:2001)
     at weblogic.iiop.IIOPOutputStream.writeObject(IIOPOutputStream.java:2266)
     at weblogic.jdbc.common.internal.RmiDataSource_WLSkel.invoke(Unknown Source)
     at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:589)
     at weblogic.rmi.cluster.ClusterableServerRef.invoke(ClusterableServerRef.java:230)
     at weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:477)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
     at weblogic.security.service.SecurityManager.runAs(Unknown Source)
     at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:473)
     at weblogic.rmi.internal.wls.WLSExecuteRequest.run(WLSExecuteRequest.java:118)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)

Logon problem with oracle management server

I have problem with Oracle Management Server when I connect to the OMS message comes
The exception (java.lang.NullPointerException) occurred.
if any body have any idea pls tell us

Hi,
Oracle has changed the Enterprise Manager from version 1.5 to 2.0 .
With the new Oracle8i dataase server another service has been added.
If you want to user the OEM you have to install The Managment Server.
The Managment server has its own user and privileges and is recommended when using OEM.

Performance problem with Oracle

We are currently getting a system developed in Unix/Weblogic/Tomcat/Oracle environment. We have developed a screen that contains 5 or 6 different parameters to select from. We could select multiple parameters in each of these selections. The idea behind the subsequent screens is to attach information to already existing data/ possible future data that matches the selection criteria.
Based on these selections, existing data located within the system in a table is searched and those that match are selected. Also new rows are created in the table against combinations that do not currently have a match. Frequently multiple parameters are selected, and 2000 different combinations need to be searched in the table. Of these selections, only about 100 or 200 combinations will be available in existing data. So the system is having to insert 1800 rows. The user meanwhile waits for the system to come up with data based on their selections. The user is not willing to wait more than 30 seconds to get to the next screen. In the above mentioned scenario, the system takes more than an hour to insert the new records and bring the information up. We need suggestions to see if the performance can be improved this drastically. If not what are the alternatives? Thanks

The #1 cause for performance problems with Oracle is not using it correctly.
I find it hard to believe that with the small data volumes mentioned, that you can have perfornance problems.
You need to perform a sanity check. Are you using Oracle correctly? Do you know what bind variables are? Are you using indexes correctly? Are you using PL/SQL correctly? Is the instance setup correctly? What about storage, are you using SAME (RAID10) or something else? Etc.
Facts. Oracle peforms exceptionally well. Oracle exceptionally well.
Simple example from a benchmark I did on this exact same subject. App-tier developers not understanding and not using Oracle correctly. Incorrect usage of Oracle doing a 100,000 SQL statements. 24+ minutes elapsed time. Doing those exact same 100,000 SQL statement correctly (using bind variables) - 8 seconds elapsed time. (benchmark using Oracle 10.1.0.3 on a Sunfire V20z server)
But then you need to use Oracle correctly. Are you familiar with the Oracle Concepts Guide? Have you read the Oracle Application Developer Fundamentals Guide?

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