I’m new to Spring Security and would like to learn the authentication process a little bit better Here’s what I found on the Internet related to the topic if I’m wrong on the process please let me know: The authentication process begins in the Filter that might be part of a FilterChain. The …
Tag: servlet-filters
java.lang.NumberFormatException: null with error status 500
I faced issue with submitting data from html to servlet Can’t This is my html file this is the servlet file for getting the data error: HTTP Status 500 – Internal Server Error Type Exception Report Message null Description The server encountered an unexpected condition that prevented it from fulfilling …
How to add servlet Filter with embedded jetty
I am embedding jetty into my app, and trying to work out how to add servlet filters (for cookie handling). The wiki and the javadoc’s dont make it very clear, what am I missing: The only info I have found on this is a forum post suggesting the documentation on this needs to be improved. Answer Update: F…
How can I get a Spring bean in a servlet filter?
I have defined a javax.servlet.Filter and I have Java class with Spring annotations. I want to get the bean UsersConnectionRepository in my Filter, so I tried the following: But it always returns null. How can I get a Spring bean in a Filter? Answer Try: Where usersConnectionRepository is a name/id of your be…
How to add filters to servlet without modifying web.xml
I’d like the ability to modify/configure filters in a different way than web.xml. Here is a static configuration of 2 filters. I’d like the ability to have one filter statically configured and allow that filter to load additional filters. I just wanted to know if anyone knows of lib that already h…
What is chain.doFilter doing in Filter.doFilter method?
In a Filter.doFilter method I made this call chain.doFilter. What is doFilter doing inside a doFilter? Isn’t it a recursive call? Answer Servlet Filters are an implementation of the Chain of responsibility design pattern. All filters are chained (in the order of their definition in web.xml). The chain.d…