Datasource autoreconnect in Java Application Servers
Many times we face issues like the database will be down due to some reason and even after the database...
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Easy Steps to Limit Mongodb Memory Usage
When Using MongoDB in local computer or laptop for development we usually see mongoDB eating up all RAM and makes...
NoSuchMethodError: javax.persistence.spi.PersistenceUnitInfo
While deploying application with JPA 2.0 implementation in weblogic 10.x we used to get java.lang.NoSuchMethodError: javax.persistence.spi.PersistenceUnitInfo error for the application...
Quartz Scheduler Shutdown
Most of you already be knowing about Quartz scheduler but just for information Quartz scheduler is a job scheduling library...
Remote User Header Variable In IIS
REMOTE_USER is the name of the user as it is derived from the authorization header sent by the client, before...
SSH Login With Password Bash Script
While checking for a script which checks for a username ssh login with password to a remote ssh host, either windows...
Website security certificate error
On Windows machine while using Internet Explorer to access WebSphere Application Server Admin console or similar websites, at times administrators...
Libreoffice As Service
LibreOffice is a free and open source office suite, developed by The Document Foundation. It was forked from OpenOffice.org in...
Rundeck Windows Nodes Configuration
While trying to evaluate Rundeck I came across one challenge i.e integrating rundeck windows nodes. Though rundeck work perfectly fine...
How to Analyse Large Heap Dumps
While debugging a production crash with huge Xms(24GB) and Xmx(30GB) sizes, we got a heap dump of 18GB to analyse...