Since installing IBM Websphere MQ requires some effort in Ubuntu and a bit of learning time, this comprehensive tutorial focuses on simplifying this experience so that you could install IB Websphere MQ in Ubuntu with little effort. This tutorial goes from downloading IBM Websphere MQ and repackaging it to creating a new user mqm to […]

This tutorial explains how to create or add a user, give sudo rights to the user, login to this user either via the terminal or via the ui and to delete(remove) the user on Ubuntu. Find commands used in the tutorial: https://goo.gl/Z8KhNP

This tutorial explains how to add external/custom jars into Maven local repository. This is necessary in the case when the jar file required by your project may not be available in any repository for maven to download from. The command used in the tutorial: mvn install:install-file -Dfile= -DgroupId=com.tibco -DartifactId=tibjms -Dversion=1.0.0 -Dpackaging=jar -DgeneratePom=true  

We can schedule tasks to run in WSO2 ESB (EI). You can schedule proxy services or sequences to run in given time intervals continuously or once or more times when the server is started or the task is created. It is a very handy feature and this tutorial explores how to go about doing this […]

Here is an example in DSS using the query created in the previous tutorial.  Find below the complete .dbs file which can be added to the DSS_HOME/repository/deployment/server/dataservicesfolder. <data name=”DSS1″ transports=”http https local”> <config enableOData=”false” id=”riyafa”> <property name=”driverClassName”>oracle.jdbc.driver.OracleDriver</property> <property name=”url”>jdbc:oracle:thin:@192.168.54.245:1521/ora11g</property> <property name=”username”>riyafa</property> <property name=”password”>riyafa</property> </config> <query id=”GetInvoiceSummaryDSID” useConfig=”riyafa”> <sql>call pkg11.noitxx(:Result1)</sql> <result element=”P_SUMMARYREC_TAB” rowName=”P_SUMMARYREC_TAB_ITEM”> <element column=”AMOUNTDUEREMAINING” name=”AMOUNTDUEREMAINING” […]

Let us see how to use oracle ref cursors and two dimensional array in PL/SQL Creating a new user I will be using oracle in a new Oracle sql developer. You could install sql developer in ubuntu by following this answer. First open sql developer and connect to your oracle instance. Create a new user […]

Okay we are letting go of the buggy cache mediator to a newer more useful one. What is a cache mediator for? Suppose you are calling one or more backend/s and they take more time to respond and that these backend/s return the same response to the same request at all times, then cache mediator […]

Since WSO2 products are made of several components like wso2-synapse, carbon-mediation, wso2-axis2 etc., when we are developing in one of these components say carbon-mediation it is time consuming to attempt to keep building carbon-mediation  and then product-ei every time you make a small change to see if the change has been applied as expected. Hence […]

The requirement for supporting the standard GIS objects as discussed in the issue ASTERIXDB-1371 has been satisfied to a great extent through my GSoC project with the support and guidance of my mentor Ahmed Eldawy  and the friendly AsterixDB community. In this project the Esri/geometry-api-java library has been used as the api to support geometries […]

The benefits of open source is tremendous and has gained huge popularity in the field of IT in recent years. Open-source software is free to use, distribute, and modify. It has lower costs, and in most cases this is only a fraction of the cost of their proprietary counterparts. Open-source software is more secured as […]