Help Tip : CQ5 And Snow Leopard (Mac)

By thaneshk - JCRLead | Posted on 2010-01-06 11:13

 I recently upgraded to Snow Leopard on my Mac and was trying to run a simple vault command to download some jars. My initial vault commands to download everything under /content worked fine but when I executed [ vlt co http://localhost:4502/crx/libs/cq/install . ], I got the following error [[ERROR] checkout: java.lang.UnsupportedOperationException: Missing implementation.]. I immediately assumed it was a java compatibility issue given my past experiences and went about finding what

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Sling based JCR Explorer

By shankha - JCRDev | Posted on 2009-12-29 04:58

You may already known about it, still I am mentioning this here.   I was going through the Apache Sling Site and found out that Sling itself is working on a prototype of a Sling Based JCR Explorer.   Being a JCR based CMS user / developer we all know that the JCR repository needs to be explored pretty often by us to find out if the nodes we are creating and the properties we are setting to those nodes are actually "working" or not. For that we generally use som

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Dependency Management in a Sling based application

By meamitava - JCRLead | Posted on 2009-12-11 02:31

In any Sling based application, it is always a good idea to break up the entire application into small modules and deploy them as Osgi bundles. This not only leads to smoother and faster running of the application, but also provides the scope for modiification of one segment of an application, without hampering other modules. The order of bundle implementation has to be such that minimum level of dependency, if any, must exist among the bundles. The general convention for bundle creation is -

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Migrating an application from Sling 3 to Sling 5 - II

By meamitava - JCRLead | Posted on 2009-11-08 21:30

The last post on migration dealt with the basic steps of the transformation process. Next job is to export the data from the existing application on Sling 3 and exporting the same to the one running on Sling5. For import and export of data jcr-explorer may be used. (This is a web-based explorer application to administer and maintain a JSR-170 compliant JCR repository like Apache Jackrabbit. It allows e.g. to browse nodes, edit properties, make queries and use optional features like versioning,

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Migrating an application from Sling 3 to Sling 5 - I

By meamitava - JCRLead | Posted on 2009-10-30 04:56

Apache Sling has added a new dimension to the world of web development. So when Apache came up with Sling 5, lot of questions came up in the mind of Sling users regarding the migration of an application from Sling 3 to Sling5. This particular post is the first of a series of posts, which will be covering steps, problems and possible solutions to the problems, required for this migration. In case of the application that was migrated, the following steps had to be carried out: 1. Replace the ja

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HTTP Servlet as OSGi Service in Apache Sling Framework

By pulak - JCRDev | Posted on 2009-09-21 03:42

An OSGi (Open Service Gateway Initiative) service is a java object instance, registered into an OSGi framework with a set of properties. Any java object can be registered as a service. Generally, services is the preferred method, bundles should use to communicate between each other and the client of a service is always an OSGi bundle (is normal jar components with extra manifest headers). So, you do use java interface mechanism when exposing OSGi Service to be used by other bundles. Here is t

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