I\'m doing a simple forum with a series of Servlets that each represent a home, topic, postedit, login and userlist page. On some of these pages there is a link that appears when a user isn\'t logged
The following is the piece of Java code by using filters that shows the error page at every time if the username and password is also correct. Please help me, I don\'t have much knowledge on this conc
What is the difference between \"A Web Server\" and \"A Servlet Container\"? In general are all Web Servers Servlet(Web) Containers too or vice versa?
I am new to JSP. I used the following code in a class that implements HttpSessionListener to get SESSION OUT when the session tim开发者_运维知识库es out:
We are using HttpURLConnection API to invoke a REST API to the same provider often (kind of an aggregation usecase). We want to keep a pool of 5 connections always open to the provider host (always th
We currently have a Stateful bean that is injected into a Servlet. The problem is that sometimes we get a Caused by: javax.ejb.ConcurrentAccessException: SessionBean is executing another request. [ses
We have next code. Sometimes we should wait 10-20-40 seconds on the last line. What can be the problem?
How to make an excel file (and txt file)filled with data from a table on the html page in a servlet开发者_开发技巧 and send it to a browser?Firstly you need to generate the actual content (e.g. an Exc
So I have a big long query string that can either be ... //url=z&surl=y&time=z&codec=a264&acodec=mp3&width=400x100
Ok, so a user enters some information on a JSP and clicks \'submit\' which launches a servlet. This servlet then processes the information and sends back another JSP. That works fine.