Tagged with JCR

Submitting Mobile Form Data to Adobe CQ

You can create an Adobe CQ mobile form using JQuery Mobile API. When a mobile user fills in the form and clicks the submit button, form data is submitted to Adobe CQ. You can develop an OSGi bundle operation to process the submitted form data to meet y…

Ways to access your content with JCR (part 1)

If you are a developer and need to work with databases, you often relay on the features your framework offers you to get your work done easily. Working directly with JDBC and SQL is not really comfortable, writing “SELECT something FROM table” with lots of constraints can be tedious … The SQL language offers only [...]

CQ coding patterns: Sling vs JCR (part 2)

In the last posting I showed the benefits of Sling regarding resource access over plain JCR. But not only in resource access both frameworks offer similar functionality, but also in the important area of listening to changes in the repository. So today I want to compare JCR observation to Sling eventing. JCR observation is a [...]

CQ5 coding patterns: Sling vs JCR (part 1)

CQ5 as a complex framework is built on top of various other frameworks, on the server-side the most notably ones are JCR (with its implementation Apache Jackrabbit) and Apache Sling. Both are very powerful frameworks, but both of them have some overlap in functionality: reading data from the repository (Sling Resources vs JCR nodes/properties) notification [...]

CQ5.5: javax.jcr.RepositoryException: Unable to register data store in cluster

Issue If you are installing and starting a new CQ instance you may experience the following exception: *ERROR* [FelixStartLevel] org.apache.jackrabbit.core.RepositoryImpl failed to start Repository: Unable to register data store in cluster. javax.jcr.RepositoryException: Unable to register data store in cluster. … Caused by: java.net.UnknownHostException: <server_hostname>: <server_hostname> at java.net.InetAddress.getLocalHost(InetAddress.java:1360) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:211) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366) at java.net.Socket.connect(Socket.java:529) [...]


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