This Is A Custom Widget

This Sliding Bar can be switched on or off in theme options, and can take any widget you throw at it or even fill it with your custom HTML Code. Its perfect for grabbing the attention of your viewers. Choose between 1, 2, 3 or 4 columns, set the background color, widget divider color, activate transparency, a top border or fully disable it on desktop and mobile.

This Is A Custom Widget

This Sliding Bar can be switched on or off in theme options, and can take any widget you throw at it or even fill it with your custom HTML Code. Its perfect for grabbing the attention of your viewers. Choose between 1, 2, 3 or 4 columns, set the background color, widget divider color, activate transparency, a top border or fully disable it on desktop and mobile.

GlassFish

What's the difference between stateful and stateless?

By | February 25th, 2015|GlassFish, JBoss, Other Middlewares, Tomcat, WebLogic Server, WebSphere|

Stateless put simply means there is no memory of the past. The transaction operates unaware of what went before it, or what comes after it. Stateful means that there is memory of the past. This is achieved by persisting 'state' data to a shared resource (e.g. database or session cookie). Stateless processes are intended to [...]

Analyzing Out-of-Memory Situations

By | February 24th, 2015|GlassFish, JBoss, Other Middlewares, Performance Tuning, Tomcat, WebLogic Server, WebSphere|

Out Of Memory - Types, Causes, Analysis ---------------------------------------------------------------------------------------------------------------------------------------- At any time the JVM may run out of memory, which effectively crashes the container and will require a restart to restore functionality. There are many causes for out of memory exceptions. From too small of a heap defined for the applications running in the container, a [...]

GlassFish Application Server Does Not Prompt for User Name and Password when Accessing Admin Console

By | September 5th, 2011|GlassFish, Other Middlewares|

When the user try to access Admin Console GUI, the login screen never appears. Instead the user automatically gets access to the Admin Console. Reason This problem usually happens if the user sets the following permission in the server.policy file of the GlassFish domain. grant { permission java.security.AllPermission; }; Solution For security reasons the user [...]

Creating & Configuring Clusters in Glassfish

By | May 18th, 2011|GlassFish, Other Middlewares|

Clustering Concept: Clusters in an application server enhance scalability and availability, which are related concepts. In order to provide high availability of service, a software system must have the following capabilities: The system must be able to create and run multiple instances of service-providing entities. In the case of application servers, the service-providing entities are [...]

Deployment in Glassfish Using Command Line

By | April 21st, 2011|GlassFish, Other Middlewares|

Following Command is used for deploying an application in Glassfish: •deploy [--help] •[--force={false|true}] •[--virtualservers virtual_servers] •[--contextroot context_root] •[--precompilejsp={false|true}] •[--verify={false|true}] •[--name component_name] •[--upload={true|false}] •[--retrieve local_dirpath] •[--dbvendorname dbvendorname] •[--createtables={true|false}|--dropandcreatetables={true|false}] •[--uniquetablenames={true|false}] •[--deploymentplan deployment_plan] •[--enabled={true|false}] •[--generatermistubs={false|true}] •[--availabilityenabled={false|true}] •[--libraries jar_file[,jar_file]*] •[--target target] •[--type pkg-type] •[--properties(name=value)[:name=value]*] •filepath Some of the important parameters can be briefly explained as: --force- If set to [...]

Glassfish domain.xml File Configuration

By | April 8th, 2011|GlassFish, Other Middlewares|

The domain.xml file contains most of the Sun Glassfish Enterprise Server configuration. The domain.xml file is located in the domain configuration directory, which is typically Glassfish_installation_dir/domains/domain-dir/config. There is no DTD file or schema that determines the format of the domain.xml file. The server's configuration is dictated by the Java interfaces with appropriate annotations and domain.xml [...]

Glassfish Lifecycle Modules Configuration

By | April 8th, 2011|GlassFish, Other Middlewares|

Life cycle modules, also known as initialization services, provide a means of running short or long duration Java-based tasks within the Enterprise Server environment. These modules are automatically initiated at server startup and are notified at various phases of the server life cycle. Configured properties for a life cycle module are passed as properties during [...]

Glassfish App server Monitoring

By | April 7th, 2011|GlassFish, Other Middlewares|

Monitoring is the process of reviewing the statistics of a system to improve performance or solve problems. The monitoring  service can track and display operational statistics, such as the number of requests per second, the average response time,and the throughput. Following topics are addressed here: •Monitoring Tree Structure - A monitorable object is a component, [...]

Glassfish Java Virtual Machine Configuration

By | April 7th, 2011|GlassFish, Other Middlewares|

The initial tasks for configuring the Java Virtual Machines (JVM) include creating JVM options and profilers. The Java Virtual Machine is an interpretive computing engine responsible for running the byte codes in a compiled Java program. The virtual machine translates the Java byte codes into the native instructions of the host machine. Enterprise Server, being [...]

Glassfish Configuration – System properties & Domains

By | April 7th, 2011|GlassFish, Other Middlewares|

Configuration Tasks: The configuration of Glassfish can be handled by the ‘Configurations’ Tab in the Admin Main Page. The configuration part has different options of configuration which can be applied to Glassfish Server. The changes is applied to the domain.xml file present in the Glassfish_installation_directory/domains/domaindir/config directory. We can also configure Glassfish directly by setting the [...]