I have a web page and a servlet. I create input elements dynamically with using javascript in webpage. The servlet is back-end that evaluate some mathematical calculations. I am getting the data to send to servlet from dynamically created input…
I am aware of using AJAX calls to refresh content inside a div using the response received, but in my case I have no response but still want to refresh the div. My application has a table called 'Cart', on…
While trying to use Jedis.get(key) while accessing the Redis using Jedis I'm getting this error. redis.clients.jedis.exceptions.JedisConnectionException: java.net.SocketException: Broken pipe (Write failed) The code to access the Redis looks like below: private static JedisPoolConfig buildPoolConfig() { final JedisPoolConfig poolConfig = new…
In a servlet, should Lettuce Redis connections be created in init() and shutdown in destroy() or should a connection be created for every request (in doPost or doGet?) I am using sync RedisCommands (connection.sync()) Lettuce states: Lettuce is thread-safe by…
This is my first post. I hope someone can help me =) Usually I'll try to find solutions to this kind of problems on my own. But this issue is causing me headache ... With the action tag in the…
When I downloaded Apache Tomcat it seem to be both an HTTP server and a Servlet container. Can I use Apache Tomcat with a different HTTP server than the one built-in in Tomcat ?
I have a real webpage using cPanel hosting where I am starting out with learning java web dev. I only use two files: index.jsp & FirstServlet.java. The HTML page is just not using the Java code and I am not…
I am using trimFilter (com.cj.trim.trimFilter) to strip all the empty lines & spaces created in my output and UrlRewriteFilter to perform seo friendly URLs. Many pages work fine, but some throw the below exception java.lang.IllegalStateException: getWriter() has already been called…