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DevOps
How to use SSH tunneling to get to your restricted servers
Have you ever been told that in your network serverX can only be reached by a serverY via SSH? Now…
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Core Java
How to setup custom SSLSocketFactory’s TrustManager per each URL connection
We can see from javadoc that javax.net.ssl.HttpsURLConnection provided a static method to override with setDefaultSSLSocketFory() method. This allow you to…
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Enterprise Java
Poking around your REST application with a scriptable endpoint
I love the fact that JDK comes with a ScriptEngine. It’s so flexible when you want to evaluate and troubleshoot…
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Core Java
Creating your own loop structure in Java 8 lambda
Java doesn’t have an easy construct of repeat something N number of times. We can make a for loop of…
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Core Java
How to process stream and read text file in Java 8
I have converted one of my old utility class using latest Java8. I use this often to print content of…
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Enterprise Java
How to use NodeManager to control WebLogic Servers
In my previous post, you have seen how we can start a WebLogic admin and multiple managed servers. One downside…
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Core Java
How to monitor multiple JVM’s on a server with VisualVM
In the last article I have shown you how to start WebLogic Server with single admin and mulitiple managed servers.…
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Enterprise Java
How to start multiple WebLogic managed servers
The WebLogic Server docs recommand you to create a dedicated admin server and then sepearate managed servers for application deployment.…
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Enterprise Java
How to create MySQL DataSource in WebLogic Server
One cool thing about using an application server is that it allows you to create DataSource outside of your application…
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