What Is Compass? Why Do We Need It?
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Compass lucene, compass as abstraction to lucene, lucene library, compass open source, Search engine best practices, compass lucenesearchengine, If you are considering…
How to Disable SSL weak Ciphers in Tomcat Server
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If your website is supporting weak ciphers then there is a potential security risk, as the main reason behind supporting these ciphers…
java.sql.SQLException: Invalid column index
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I have seen many beginners asking this question and searching on Google: I am getting below exception, while running a Java Database…
7 Linux Commands For Java Developers
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Want to learn which are the best linux commands for java developers? You have come to the right page. In this article,…
String Utility Methods: Merging two String arrays
1 Mins read
This is another simple Java String utility/util method, which can be used to merge two arrays of String values. This takes care…
java.lang.VerifyError: class edu.emory.mathcs.backport.java.util.concurrent.atomic.AtomicInteger overrides final method lazySet.(I)V
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Problem If you are getting this error while using JDK6 with Spring Caused by: java.lang.VerifyError: class edu.emory.mathcs.backport.java.util.concurrent.atomic.AtomicInteger overrides final method lazySet.(I)V at…
String Utility Methods: Converting int[] to String
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java array tostring, convert java array to string, convert array to string, toString() method for array, array utility method convert to string,…
Lucene Index Maintenance (Insert, Update and Delete)
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lucene index maintenance, lucene index insert, lucene index update not working, lucene index delete fails, lucene index fast insert, lucene index fast…
Boolean Expression Evaluation using JEP in Java
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There are not many open source library available for Boolean expression evaluation. If we have a requirement of evaluating an expression of…
How to Build fast/efficient cache in Java using SoftReference
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Building cache for a Java application is required many times. Writing an efficient cache can be really helpful for better application performance….