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Oracle Application Server
Topology network configuration in OAS 10g (10.1.3)  (2008-06-11)
"System.out" not being logged in OAS 10.1.3  (2007-10-31)
Change the default EM (Enterprise Manager) port number  (2004-07-29)

Oracle HTTP Server (OHS)
Hardening Oracle HTTP Server (OHS)  (2006-04-10)
Manually check status of Oracle HTTP Server (OHS)  (2004-07-29)
Finding the Apache version in Oracle HTTP Server (OHS)  (2005-10-12)
The "LimitRequestLine" directive in OHS cannot exceed 8190 bytes  (2004-07-29)
Configure OHS to port 80 on Linux  (2006-06-01)
Filter EM monitoring activities in the Apache log to reduce access_log size  (2006-11-06)
Disable AggreSpy servlet in OAS 10.1.2  (2008-02-14)

Oracle Containers 4 Java (OC4J)
Changing the JDK version on OC4J  (2008-02-05)
Identify the OC4J version and build  (2008-02-12)
Monitor connection pools using the command prompt in Oracle Application Server 10g  (2009-12-29)
Configure session failover in an OC4J cluster (10g)  (2008-06-29)
Configure session failover in an OC4J cluster (9i)  (2004-07-29)
No OC4JMount directives in mod_oc4j.conf in Oracle Application Server 10g R3  (2008-06-03)
Configuring default files <welcome-file> in OC4J and <DirectoryIndex> in OHS  (2008-07-16)

Oracle Web Cache
Configure WebCache to port 80 on Linux  (2006-10-04)
Configure load balancing with Web Cache in 5 minutes  (2008-06-12)

Oracle Applications 11i
Configuring a different mail user for Workflow Mailer 2.5  
SSO enabling Apps 11.5.4/11.5.6  
Restoring missing tasks in Oracle Exchange (OEX) 6.2  

Oracle B2B
ORA-02266 when trying to truncate B2B.TIP_DATASTORAGE_TR  (2008-02-19)
Purge B2B runtime data from the command prompt  (2007-10-16)
Increase columns in B2B_CTLNUM tables to accomodate larger transaction control numbers  (2008-01-30)
Performance tuning Oracle B2B 10.1.2  
"AIP-11016: SQL error" when deploying a configuration  
Getting JMS-120 "Dequeue failed" and ORA-01555 in B2B logs  

Oracle Collaboration Suite (OCS)
Getting "OID connection misconfigured or other error detected" error  

Oracle Web Conferencing
Enabling Web Conferencing 9i on Windows Vista and IE 7  (2007-11-06)
Change SMTP server for and Web Conferencing 9i  (2007-04-20)
"OID connection misconfigured" when connecting to a Web Conference in OCS 9i  (2006-11-10)

Oracle Files
Cannot download attachments in Internet Explorer (IE) via SSL  (2006-10-02)
Change SMTP server for OCS Files  

Oracle Data Integrator (ODI)
JDK, not JRE, required to execute Web Services with OracleDI  (2009-02-05)
"java.sql.SQLException: No suitable driver" when executing a scenario from the command prompt  (2009-02-05)
"com.sunopsis.core.SecurityAccessException: Invalid password" when executing a scenario from the command prompt  (2009-02-05)

Oracle Database
Configure Very Large Memory (VLM) for Oracle 10g 32-bit  (2007-12-20)
Introduction to Advanced Queues (AQ)  (2008-05-21)
Random DBA SQL statements  (2010-08-01)
ORA-00904 when trying to select a type attribute from a table  (2008-06-05)
ORA-28547 when trying to sqlplus to a database  (2010-01-18)
ORA-27102: out of memory  (2010-02-17)
Running "urlrp.sql" automatically disconnects with ORA-03113 and ORA-03114  (2007-08-21)
DCE32.dll not found when running Oracle executables  (2008-07-09)
make for target client_sharedlib failed  

Oracle Enterprise Manager (OEM) Grid Control

Oracle Management Server (OMS)
'No trusted certificate' error when running an OEM Grid Control Web Transaction  (2006-12-04)
Changing the SYSMAN password  (2007-05-08)
Installing OEM 10g Grid Control 32-bit on a 64-bit OS  
Securing OMS fails with "Failed rc = 1"  

OEM Grid Control Agent
Configure OEM Grid Control Agent against Oracle BPEL Process Manager  (2007-12-23)
Getting ORA-06512 when 10.2.0.1 Agent uploads to 10.2.0.3 OMS  (2007-02-18)
Deploy Microsoft IIS 6.0 plugin for OEM Grid Control 10g  (2007-05-10)
Deploy Microsoft SQL Server 2000 plugin for OEM Grid Control 10g  (2007-05-10)
Clearing the OEM 10g Grid Control Agent  (2009-01-05)
Enabling VERBOSE to troubleshoot securing the OEM 10g Grid Control Agent  (2006-05-08)
Deploy the .NET Framework plugin  
Deploy the BEA Weblogic plugin  
Installing Agents on identically cloned VMs  
Installing Agents without HTTP enabled on OMS  
Getting NET HELPMSG 3547 when starting 10.2.0.1 Agent on Windows  

Oracle Gateways
Installing and configuring Oracle Transparent Gateway for MS SQL Server  
Installing and configuring Oracle Transparent Gateway for DB2/400  
Installing and configuring Oracle Transparent Gateway for DRDA  
Installing and configuring Oracle Procedural Gateway for APPC (mainframe) over SNA  

Oracle iLearning
Why 'trusted URL' in iLearning 4 is insecure  
SSO enabling iLearning  

Oracle Identity Management

Oracle Single Sign-On (SSO)
"Exception while configuring SSO Server :ORA-06502: PL/SQL: numeric or value error"  (2005-06-06)
WWC-41439 when trying to log in to ssoserver/pls/orasso  (2005-06-06)
Retrieve the password of the ORASSO database user  (2005-02-15)
Testing SSO authentication via PL/SQL (sso_auth.sql)  (2007-02-10)
SSO enable an Oracle Application Server 10g midtier with an Oracle SSO 10g server  (2007-04-04)
SSO enable on Oracle Application Server 9i/10g midtier with an Oracle SSO 9i server  (2005-06-06)
Random user-related queries for SSO 9i  (2007-06-25)
High Availability via cold failover for Oracle Single Sign-On 9i R1  
Delegating Oracle SSO authentication to a 3rd party access manager (Sun Access Manager)  

Oracle Internet Directory (OID)
Configure OID 10g Connector to bi-directionally synchronize with Sun Directory Server 5.2  (2008-10-20)
Setting up LDAP replication  

Oracle Portal
 

Oracle SOA Suite
Silent install of Oracle SOA Suite 10g (10.1.3.3) on Red Hat Linux  (2008-05-29)
Silent install of Oracle SOA Suite 10g (10.1.3.3) on Windows  (2008-06-04)
"Error in invoking target 'ntcontab.o'" when installing Oracle SOA Suite 10g on 64-bit Linux  (2010-04-04)
Oracle SOA Suite 10g (10.1.3.x) prerequisites for Red Hat Linux ES/AS 4  (2010-03-12)
"No domains accessible to the user logged in" after SOA Suite 10.1.3.4 or 10.1.3.5 upgrade  (2009-09-26)
"No domains accessible to the user logged in" in an already running SOA Suite 10.1.3 environment  (2010-06-29)
"No domains accessible to the user logged in" after making recent configuration changes to BPEL Process Manager  (2010-06-25)
Redeploying the OJMS Adapter due to "Unable to find/read file META-INF/ra.xml"  (2010-01-28)
ORABPEL-03003, ORA-00904, ORABPEL-30320, ORABPEL-30023, ORA-00904 after SOA Suite 10.1.3.4 or 10.1.3.5 upgrade  (2009-10-12)
Oracle SOA Suite 10g response files created through the record mode are not supported  (2008-06-04)
Applying Oracle SOA Suite 10g Patch Set 4 (10.1.3.4.0)  (2008-08-28)
getaddrinfo failed "Temporary failure in name resolution" "Connection timed out"  (2009-10-28)
Changing the hostname and port in Oracle SOA Suite 10g (10.1.3)  (2008-08-29)
"Passive connection 127.0.0.1,6100 missing connect" or "Local connection 0,127.0.0.1,6100 missing form factor" in opmn.log  (2007-06-11)
Database connections growing indefinitely for OJMS Adapter, and JMS-190 error in logs  (2010-06-23)
"XPath query string returns zero node."  (2009-04-03)
"Exception in thread" "java.lang.OutOfMemoryError: PermGen space" when starting up OC4J_SOA  (2009-11-30)
MQSeries Adapter disappears from AS Control after configuring it  (2008-09-01)
ORABPEL-12511: "Adapter Framework unable to create outbound JCA connection" due to java.lang.IndexOutOfBoundsException  (2008-07-29)
ORABPEL-12165 on ERRJMS_PROVIDER_ERR resulting in "Could not produce message due to JMS provider error"  (2009-10-28)
What is SOA Governance?  (2008-04-22)
HTTP 500 in Apache access log for 'RegistrationService'  
AQ adapter logging  
Avoiding SOA transaction timeouts and exceptions  

Oracle Application Integration Architecture (AIA)
Installing Oracle Application Integration Architecture (AIA) Foundation Pack 2.0.1 for Microsoft Windows 32-bit  (2008-07-16)
Installing Oracle Application Integration Architecture (AIA) Foundation Pack 2.2.0 for Microsoft Windows 32-bit  (2008-09-12)
Upgrading Oracle Application Integration Architecture (AIA) Foundation Pack 2.2.0 to 2.2.1 on Microsoft Windows 32-bit  (2008-10-01)
"The SOA suite server installed is not the required version (10.1.3.3.0)" when installing AIA 2.2.0  (2008-11-19)
"Unable to obtain Service Registry Home" during OSR verification when installing AIA for Communications 2.0  (2009-10-15)
Getting "BUILD FAILED" from FPInstall.xml when installing AIA FP 2.4  (2009-10-08)
BUILD FAILED for target "buildfile" when installing AIA FP2 demos  (2008-07-15)
"Error occurred during initialization of VM" when starting up OC4J_SOA  (2008-09-12)
Getting "Unknown argument: --noconfig" when trying to deploy the AIA FP 2.2 demo  (2008-09-12)
"Error while inoking URL to display the content" in the BPM Worklist for AIAErrorTaskAdministrationProcess  (2010-01-20)
"Could not get DeploymentManager" when deploying task AIAErrorTaskAdministrationProcess  (2010-01-20)
Summary of the Oracle AIA Foundation 2.0.1: Concepts and Technologies Guide  (2008-07-27)

Oracle BPEL Process Manager
Deploying BPEL processes (SOA Suite 10g) via ANT  (2008-06-11)
Set up read-only access for the BPEL Console 10g  (2009-12-13)
BPEL process unable to dequeue and "Resource Adapter requested Process shutdown!" in domain.log  (2008-12-09)
"A problem occured while connecting to server" when deploying a BPEL process due to "java.lang.OutOfMemoryError at java.util.zip.ZipFile.open"  (2009-11-30)
ORABPEL-11622: "javax.transaction.RollbackException" thrown when BPEL Process Manager (10.1.3.1) is under load  (2007-10-23)
ORABPEL-11947: Random "SQL wrapper has been closed!" during BPEL process execution  (2007-10-24)
ORABPEL-05215: "Please verify that javac compiler is installed on this machine and is included in the classpath"  (2009-11-30)
ORABPEL-12101: "CCI Local Transaction COMMIT failed due to: ERRJMS_COMMIT_FAIL"  (2010-06-28)
ORABPEL-11811: "Internal Exception: java.sql.SQLException"  (2009-03-26)
ORABPEL-10057: "invalid query" when deploying BPEL process  (2009-04-17)
ORABPEL-08002: Getting "Failed to read wsdl" when starting up BPEL Process Manager 10g  (2009-12-07)
ORABPEL-08033 occurring intermittently  (2009-01-07)
ORABPEL-05002: "java.lang.OutOfMemoryError: Java heap space"  (2008-02-01)
ORABPEL-10902: "BPEL validation failed" when deploying BPEL process  (2007-07-27)
ORABPEL-01021: "BPEL validation failed." when deploying BPEL process  (2009-08-11)
ORABPEL-10903: "failed to read wsdl" when deploying BPEL process due to space in filename  (2009-03-31)
ORABPEL-10903: "failed to read wsdl" when deploying BPEL process due to duplicated name  (2009-08-25)
ORABPEL-05244: "Failed to obtain load lock for process" for BPEL instance  (2009-04-15)
ORABPEL-05203: "Error unpacking BPEL archive" when deploying BPEL process  (2009-12-31)
"ERROR: Failed in task oracle.tip.install.tasks.DeployApps" when manually deploying BPEL Process Manager 10g  (2010-06-18)
"Connection Cache with this Cache Name is Disabled" when logging in to BPEL Console  (2010-06-29)
"element has no child: creation-date" when viewing BPEL instances  (2009-10-30)
"Error getting Cluster Config Set URLs for uri" when testing Application Server connection in JDeveloper against a BPEL PM cluster  (2009-10-16)
"HTTP transport error" due to "Premature EOF encountered" in BPEL instance  (2009-04-14)
"HTTP transport error" due to "Not a valid SOAP" in BPEL instance  (2009-07-05)
Cannot connect activity to Partner Link when designing BPEL process  (2009-04-15)
Check JNDIs in Oracle Application Server against deployed BPEL processes  (2009-08-25)
Update OC4J_SOA settings to print Garbage Collection information  (2008-01-01)
BPEL process hanging upon invocation and getting "Not a valid SOAP" in opmn.log  (2009-04-14)
"com.oracle.bpel.client.delivery.ReceiveTimeOutException" exception in BPEL activity, resolved by syncMaxWaitTime  (2008-06-30)
"com.oracle.bpel.client.delivery.ReceiveTimeOutException" exception in a BPEL Process Manager cluster  (2010-06-25)
"com.collaxa.cube.ejb.impl.FinderBean.tryLookupInstanceByReferenceId" when logging in to BPEL Console after 10.1.3.3 upgrade  (2008-07-10)
"Could not initialize activation agent" when deploying BPEL process  (2007-09-09)
"oracle.AQ.AQOracleSQLException: Closed Connection" in domain.log  (2007-07-02)
"Cannot find the specified instance" and no instances are displayed when initiating a BPEL process from console  (2007-07-02)
Exception on JaxRpc invoke caused by HTTP transport error due to "Premature EOF encountered"  (2008-02-01)
Exception on JaxRpc invoke caused by HTTP transport error due to "Message transmission failure, response code: 404"  (2008-07-10)
Resolving JVM core dumps caused by AQ Adapter by upgrading container to JDK 1.5.0_14  (2008-02-05)
BPEL Performance Tuning: Increase JVM memory  (2007-12-22)
BPEL Performance Tuning: Recommended oc4j-ra.xml settings  (2007-12-22)
BPEL Performance Tuning: Recommended DbAdapter settings  (2007-09-05)
BPEL Performance Tuning: Validate connections in the connection pool  (2007-11-22)
BPEL Performance Tuning: Set log levels  (2007-11-22)
Configuring a BPEL Process Manager cluster using node-to-node (TCP) instead of multicast (UDP)  (2008-09-16)
Executing a BPEL process from the command prompt  
BPEL Console cannot fetch a datasource connection "jdbc/BPELServerDataSourceWorkflow"  

Oracle Enterprise Service Bus (ESB)
Deploying ESB projects (SOA Suite 10g) via ANT  (2008-06-16)
Batch resubmit all failed ESB instances by using the ConsoleClient Interface (includes working code)  (2008-07-28)
Java code to import DVMs to Oracle ESB 10g  (2009-12-18)
Dynamic routing of endpoints in ESB using DVM and the header transformation extension function 'setOutboundHeader'  (2008-07-31)
ESB Control shows "Designtime cache has not been initialized"  (2008-06-02)
"Element 'deferredQueueName' not expected" when logging in to ESB Console  (2009-11-13)
"No systems available" when logging on to the ESB Console  (2010-01-19)
Running "create_esb_topics.silent.sql" fails with ORA-24001  (2010-06-18)
"ESBErrorListenerMDB is in failed state as initialization failed" when starting up ESB  (2010-06-29)
"RCV: Transport endpoint is not connected" when trying to start up the SOA Suite 10g  (2008-02-20)
"The metadata XML that was processed does not comply with the ESB Metadata XML Schema" when clicking on any service in ESB Control  (2008-07-28)
"java.lang.Exception: Failed to create "ejb/collaxa/system/DeliveryBean" bean" when ESB service invokes BPEL process  (2009-12-09)
Context lookup failed "OracleASjms/ESBDeferredTopic not found" in the log file  (2009-12-14)
"Could not instantiate InteractionSpec" due to missing class oracle.tip.adapter.aq.outbound.AQEnqueueInteractionSpec  (2008-08-04)
"oracle.tip.esb.server.common.exceptions.BusinessEventRetriableException" when receiving fault from BPEL process  (2008-09-18)
ORABPEL-11947: "Enqueue failed" due to identifier 'DBMS_AQIN' must be declared  (2008-07-29)
Enable ESB debugging  (2008-07-22)
Could not read Service object from repository for service "Name : 'DefaultSystem.ESBSERVICENAME'".  (2009-07-01)
Various ant build errors when updating the Oracle ESB Metadata using esbparam.properties  (2008-08-14)
Start OC4J with the -userThreads if getting "Cannot find service <service> on current cluster" in an ESB cluster  (2008-08-15)
ESB services not showing up in ESB Control  (2008-08-15)
"XML Parsing Error: no element found" when viewing concrete WSDL URL of SOAP service  (2008-08-27)
"Unable to determine operation id from SOAP Message" when using SOAP endpoint URI  (2008-10-02)
ESB service not capturing faults from BPEL process and getting env:ESBMessageProcessingFailed  (2008-09-05)
ESB service cannot invoke another ESB service exposed as an external SOAP service in SOA Suite 10g  (2008-09-17)
Useful SQL queries for Oracle ESB  (2009-02-23)
Check JNDIs in Oracle Application Server against deployed ESB services  (2009-08-25)
Purge ESB instances  (2008-06-11)
"The selected porttype is using a message that is invalid for ESB" error when importing a WSDL  (2008-06-11)
"Exception: Invalid input/output combination" when reading a WSDL file in ESB  (2008-06-10)
"Failed to open the target schema: The schema does not contain the global element" when creating a new mapper file in ESB  (2008-06-10)
ESB runtime exception in "oracle.tip.esb.server.common.exceptions.BusinessEventRetriableException"  (2008-06-10)

Oracle Service Registry (OSR)
ClassNotFoundException for oracle.jdbc.driver.OracleDriver when installing Service Registry 10g  (2008-07-11)
"Could not get DeploymentManager" when installing Oracle Service Registry 10g (10.1.3.1)  (2009-10-15)
"DatabaseCoreException: (12021) Cannot obtain new connection" when installing Oracle Service Registry 10g  (2008-09-11)
Error number '10500' and error code 'E_fatalError' when logging in to Oracle Service Registry 10g  (2010-01-21)

Oracle Web Services Manager (OWSM)
BUILD FAILED when running 'wsmadmin.sh'  (2008-09-12)

Oracle WebLogic Server
"[xX][mM][lL] is not allowed" when silent installing Oracle WebLogic Server 11g  (2010-07-22)
"java.io.UnsupportedEncodingException: UFF-8" when silent installing Oracle WebLogic Server 11g  (2010-07-22)
Silent install of Oracle WebLogic Server 11g (10.3.3) on Red Hat Linux ES 5 32-bit  (2010-07-22)
"End-of-central-directory signature not found" when silent installing Oracle WebLogic Server 11g  (2010-07-29)
"The local BEA product registry is corrupted" when silent installing Oracle WebLogic Server 11g  (2010-07-29)

General Oracle
"Interim Patch XXXXXXX is holding the lock from this patch XXXXXXX" when running OPatch  (2008-07-11)
Installing non-certified 32-bit Oracle software on a 64-bit Linux operating system  (2005-12-08)

General Technology

Development
"PLS-00302: component 'CONSTRUCT' must be declared" when initiating variable via SYS.AQ$_JMS_MESSAGE.construct  (2008-07-10)
Creating a top-down Java Web Service for Oracle Application Server  (2009-01-19)
Creating a bottom-up Java Web Service for Oracle Application Server  (2009-03-23)
Creating a bottom-up Java Web Service for Tomcat and Axis2  (2009-11-12)
Encrypting strings in Java using SHA  (2009-04-18)
Using JDBC direct connect in a JSP to connect to an Oracle database (for the newbie)  (2007-11-11)
Using JDBC direct connect in a JSP to connect to a MySQL database (for the newbie)  (2009-04-05)
Using a JDBC connection pool in a JSP to connect to an Oracle database (for the newbie)  (2007-11-11)
Using a JDBC connection pool in a JSP to connect to a MySQL database (for the newbie)  (2009-05-11)
Use Java to upload files to a filesystem or a database BLOB column  (2009-05-09)
Wrapping PL/SQL packages  (2008-01-23)
JSP that dumps all OC4J system properties  (2007-06-11)
Finding CLASS files inside JAR files  (2006-06-27)
Install and configure the 'pen' load balancer  (2008-06-30)
Sending email from PL/SQL  
Converting codepage IBM-420 (mainframe EBCDIC) to ISO8859-6 (RS/6000 ASCII)  

Linux
How to query for 64-bit (x86_64) RPM packages  (2007-04-20)
Configure multicast on Linux  (2008-06-12)
Configure a local DNS  (2009-10-28)
Build an RPM from source  (2006-05-18)
Execute script upon Linux reboot  (2008-06-01)
Configure "sudo su" to disallow sharing passwords of shared accounts  (2006-05-02)
Red Hat Linux AS 3/4 hardening (to comply with DoD STIG)  (2007-12-20)
Red Hat Linux hardening with Bastille  (2008-06-19)
Configure sendmail.cf to use mail relay  (2007-03-03)
Why does Linux report 100% memory usage all the time?  (2008-01-23)
Creating a Red Hat OBI (Oracle Base Install) image to support multiple Oracle products  (2005-11-30)
Passwordless SCP authentication  (2005-12-28)
Mounting an NTFS firewire drive in Ubuntu 8 (Hardy)  (2008-09-07)
Dual booting with Windows XP and Linux (high-level)  (2008-09-16)
Getting "-bash: ulimit: open files: cannot modify limit: Operation not permitted" when setting ulimit  (2009-12-28)
Linux commands (for the newbie)  (2010-01-08)
Calculating memory usage for each process  
What is /dev/shm?  
Getting "ntfs not supported file system" when mounting an external USB drive formatted in NTFS  

Subversion
Installing SVN 1.5 on Linux  (2010-05-11)
Installing and configuring Tortoise SVN  (2010-05-11)

Apache
Manually installing Apache 2.2 on Linux (with mod_rewrite)  (2010-01-22)

Tomcat
Increase JVM memory of your Tomcat server  (2009-05-05)

MySQL
MySQL Cheat Sheet (for the newbie)  (2007-12-19)
Cannot log in to MySQL as 'root'  (2006-10-29)

VMware
Add an extra virtual hard disk to a Linux VM running on VMware GSX Server 3.2.1  (2007-12-21)
"Cnx_CreateSocketDir" error when starting up VM on VMware GSX Server 3 on Linux  (2007-12-21)
Getting 'VMware Server cannot find the virtual disk' on VMware GSX 3  (2007-12-21)
Installing VMware GSX 3.2.1 on Ubuntu 8.04 (Hardy) 64-bit  (2008-09-07)
Configuring IP NATing on a Linux host  
NTP not working inside the VM  

Ahmed Aboulnaga