Raja Raja

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since May 17, 2003
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Recent posts by Raja Raja

Pl. let me know if there are any links/resources for Software Product Development Best Practices in terms of technical and process aspects.

Pl. note Software Product Dvelopment is different from Software Project.
App Server : Weblogic 6.1 on Unix
DataBase : Oracle 9i on Unix

when i call a oracle stored procedure from session bean i get a n array of results from the procedure. But the array has calues in heya decimal.
can anyone say does this occur. ? I have set nlscharset.zip and classes12.zip in classpath
A Model 1 architecture consists of a Web browser directly accessing Web-tier JSP pages. The JSP pages access Web-tier JavaBeans that represent the application model, and the next view to display (JSP page, servlet, HTML page, and so on) is determined either by hyperlinks selected in the source document or by request parameters. A Model 1 application control is decentralized, because the current page being displayed determines the next page to display. In addition, each JSP page or servlet processes its own inputs (parameters from GET or POST). In some Model 1 architectures, choosing the next page to display occurs in scriptlet code, but this usage is considered poor form. (See the design guideline Section 4.2.6.8 on page 89.)

A Model 2 architecture introduces a controller servlet between the browser and the JSP pages or servlet content being delivered. The controller centralizes the logic for dispatching requests to the next view based on the request URL, input parameters, and application state. The controller also handles view selection, which decouples JSP pages and servlets from one another. Model 2 applications are easier to maintain and extend, because views do not refer to each other directly. The Model 2 controller servlet provides a single point of control for security and logging, and often encapsulates incoming data into a form usable by the back-end MVC model. For these reasons, the Model 2 architecture is recommended for most interactive applications.
I feel u r fetching a huge resultset and writing into a file.
probably u r creating an object for every record in resultset.
which must be flooding the heap. This is my guess with the limited idea i get from ur query. if it is so resue the objects rather than creating new one and fetch few results at a time and then merge the files.
20 years ago
Issue most urgent. Can anybody address it.
I am trying to call a oracle 9i stored procedure from a stateless session bean. I want to send a array to stored procedure. i use the class ArrayDescriptor found in classes12.zip to send the array. The array descriptor needs Connection object as one of the parameter. Since i am using Weblogic app server, when i get a connection from the Connection pool thru TX data Source , i get an weblogic.jdbc.jts.Connection object. Since this Connection object is incompatible with ArrayDescriptor, i get a class cast connection. On introspecting the ArrayDescriptor i found the Connection object is internally casted to OracleConnection class and Oracle Connection extends java.sql.Connection. pl. note ArrayDescriptor and Oracle Connection are both found in claases12.zip supplied by Oracle.
Can anybody suggest a asolution to overcome this problem.
I am calling a stored procedure from a java program. I have to pass an array from my java program to oracle stored procedure. I saw in some sites that Array descriptor are used. I tried it but havent found any success. Can anybody suggest how to achieve this. A sample program would be of great help...
hi,
Can anyone tell me how to set the tab order in swing component.sample program would be more help ful.
20 years ago