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Informix Listener-thread: err = -408: oserr = 0: errstr = : Invalid message type received from the sqlexec process

  Environment: Informix 11.50 FC3  /  AIX 6.1 Genero BDL 2.11.03  / Genero GDC 2.02 / License Manager 5.15. Error: Listener-thread: err = -408: oserr = 0: errstr = : Invalid message type received from the sqlexec process.   One of our Virtual-DBA clients called to report an issue with one of their daily processes. ...
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Detachable Sessions For Oracle expdp/impdp

So I wanted to throw a quick reminder out there of a nice feature that came along with Oracle 10g and datapump exports and imports. The feature I’m referring to is the ability to detach and reattach to export and import jobs. To detach from an export or import you simply hit CTRL+C once the export or import has started. This will take you to the datapump command line...
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Test That Database Backup

Does your backup plan work?
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Query your SQL Server Error Log

Learn how to Query the Error Log
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How to create an OCM response file for Oracle grid infrastructure patching

So tonight we were helping a Virtual-DBA client apply an PSU patch for an ASM/GI Oracle home. It's a bit different in the fact that you use opatch auto instead of opatch apply or napply. You also need an OCM response file before you can run opatch auto. First you need to export your variables: export ORACLE_BASE=/u01/app/oracle export...
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Troubleshooting Liferay EhCache clustering setup on WAS 8.x

We recently came across an interesting issue in Liferay. One of our clients was trying to cluster Liferay instances using the ehcache-cluster-web (Ehcache Cluster EE.lpkg) application downloaded from Liferay Marketplace. Liferay instances were running fine with no issues. However, on deploying the ehcahe-cluster-web application and starting it up, the Liferay environment stopped...
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Extending Liferay's Social Office Notifications

Liferay Social Office brings many different capabilities to your enterprise. In this posting we'll give you a background on the Social Office components, discuss how notifications involve the user, and show you how to extend the notification capability. Social Office Components Liferay Social Office  is one of the more productive  offerings from Liferay.  CE and EE...
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Informix Extents: Sizing and Performance

When tuning performance for an IBM Informix instance, one important issue to look for is the presence of tables and indexes containing a large number of extents.  Today’s high speed disks and SSD drives can mask some of the performance hit, making this an area that is often overlooked.  However, it is still an area that needs to be addressed more often than it is.    ...
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Monitor Your JVM with JConsole Portlet

JConsole is a monitoring tool which comes with JDK, and complies to the Java Management Extensions (JMX) specification. JConsole uses the extensive instrumentation of the JVM to provide information about the performance and resource consumption of applications running on the Java platform. Traditional Way of JVM Monitoring The traditional way of using JConsole requires exposing the...
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Delivering Your Enterprise: Freshness

This article is part of an ongoing series. See the blog entry Delivering Your Enterprise: The ilities for an overall discussion. I'm about to give away one of my secrets. I probably shouldn't, but as long as you promise to not tell anyone else, I'll trust you. So here goes. When I've engaged or been about to engage in consulting with an organization, one of the first things I...
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