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The clustering regulates high scalability and availability. The basic considerations for servlet clustering are:
1. Objects opened in a session could be serializable to support in-memory replication of sessions. Also consider the problem of serializing very big objects. Test the performance to make sure it is running.
2. Design for idempotence. Failure of an impatient or a request users clicking again may result in duplicate requests being given. So the Servlets could be relay to tolerate duplicate requests.
3. Avoid using static and instance variables in write and read mode because different instances can exist on different JVMs or on different operating system. Any state could be held in an external instance such as a database.
4. Avoid sending values in a ServletContext. It is not serializable and also the different resources may exist in different JVMs.
5. Avoid using java.io.* because the files cannot exist on all backend machines #question..
An aspect is the cross-cutting functionality that you are executing. It is the aspect of your application you are modularizing. An example of an aspect is logging. Logging is somet
Spring comprises of seven modules. They are.. a) The core container b) Spring context c) Spring AOP d) Spring DAO e) Spring ORM f) Spring Web module g) Sprin
Prepare an android keyboard Project Description: I want to prepare an android keyboard that have many features.( i will describe later) I want the full app and a trial ver
Component Developer to code in Java: Worked for Sansri's Gateway as Software Engineer . Here I Worked as a Component Developer to code in Java and J2EE technologies Here Ensu
I need a DCS (Source code and JAR) to process packets from a cheap chinese GPS TK110, the unit is already communicating with the server but is not parsing. So I need someone with e
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how to solve this error
Project Description: I require some android developers in order to outsource projects. I am looking for good price and good quality. Skills required: Java, Android
1) Around : org.aopalliance.intercept.MethodInterceptor 2) Before : org.springframework.aop.BeforeAdvice 3) After : org.springframework.aop.AfterReturningAdvice 4) Throws
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