Suddenly, when restarting Liferay, the ROOT webapp was not anymore the first one that got started (it was the 4th or 5th). Because of this, all the portlets that make use of Liferay’s main services did not start correctly also. These portlets were started before ROOT.
During my experience with Liferay Portal I had this problem several times. When uploading a portlet (new or a new version of an existing one) Liferay says the following: Copying 1 file.. Copying 1 file.. ……. ………war copied successfully. Deployment will start in a few seconds. and then nothing happens.
If you are planning to migrate a database application from Oracle to PostgreSQL, this article can help you to understand and solve some of the issues occurring in such a process. PostgreSQL has recently become feature-complete in many areas and therefore porting projects from Oracle might be a feasible option in much more cases. Oracle […]
Over the developing period of Django web application the models change a lot. Managing these changes in a team environment working on a Django project can become complicated. Unfortunately Django doesn’t capture the changes in the existing models. Until Django will provide an solution to this problem, you will need to use a schema migration […]
Task: Show in a jsp file some properties you have declared in a .properties file in the project Solution1: Use the Jquery Plugin for internationalization. Think of this as using the ResourseBundle of Java. Loading and parsing the information from the .properties files and showing them in the jsp page.
LXC 0.7 is available as an upgrade in Gentoo Linux. After you get it you may have a surprise… no console output after lxc-start. It seems it is not a bug but a feature 🙂 (as always with software). To get back the output just add -s lxc.console=$(tty) to the command line, like: # lxc-start […]
When developing applications with JSF, there is the need to display error messages back to the user, if a user submitted form contains errors, or if the processing of the data went wrong. For this request, JSF meets the <h:message/> tag.
Let’s assume that we have to build a price calculator for a osCommerce website, that needs to have price based on dimensions(input from user – length, width), attributes,
for each attribute there are more than 1 options with different prices for each option.
Wanting to implement a .jnlp jar for an application i run into this error that popped out in an error dialog “Uncaught System Error:org/apache/jaxme/JMElement” and after this, that project was blocked.
1. Rollback all data on import from a table if a row is corrupted.You have a list of sql queries as a parameter:
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