Category Archives: java

JacORB Configuaration

Posted on April 2, 2012 by

Add the following JacORB  properties to java command line or update in jacorb.properties file To enable general debug logs add the below line -Djacorb.log.default.verbosity=4 To enable notification debug logs add the below line -Dorg.jacorb.notification.log.verbosity=4 To increase POA Queue. Increase this … Continue reading →

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Hibernate : Adding an enum as a property

Posted on April 1, 2012 by

Using Hibernate Annotations: @Entity public class TestEntity {   @Enumerated(EnumType.STRING)    @Column(name=”ENUM_TYPE”)    private TestEnum testEnum;  } Using XML Based Mapping :   Add  hibernate-annotations.jar in your classpath during deployment but there’s no compile-time dependency: <property name=”testEnum” length=”30″ column=”testEnum” lazy=”false”> <type … Continue reading →

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YourKit

Posted on March 25, 2010 by

I found YourKit Java profiler is good for CPU and memory profiling of java applications. It gave better , useful & smarter details compared to other profilers.

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Design Techniques

Posted on June 27, 2009 by

Some usefull java design techniques articles by Bill Venners http://www.artima.com/designtechniques/

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Java in Telecommunications – Telemangement Forum and OSS/J

Posted on June 15, 2009 by

By Gero Vermaas Source:http://blog.xebia.com/2007/04/19/java-in-telecommunications-–-telemangement-forum-and-ossj/comment-page-1/#comment-8950 As promised in the first post in this series, we’ll now zoom in on the Telemanagement Forum (TMF) and OSS/J. This post will be a bit theoretical, but I promise that the next one will be … Continue reading →

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Java in Telecommunications – Introduction

Posted on June 15, 2009 by

By Gero Vermaas Source:http://blog.xebia.com/2007/03/30/java-in-telecommunications-introduction/ Why a blog on Java and telecommunications? There is no other industry for which the Java Community Process hosts so many specifications and I wonder if people are aware of this. Additionally, in May I’ll be … Continue reading →

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Java Virtual Machine (JVM) Heap Sizing

Posted on December 8, 2008 by

Report on JVM Heap sizing ( based on various web resources): 32-bit JREThe maximum theoretical heap limit for the 32-bit JVM is 4G. Due to various additional constraints such as available swap, kernel address space usage, memory fragmentation, and VM … Continue reading →

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