Time to update your JSP knowledge.
Secondly, without seeing more code, I'm not anyone can help.
But there is more to the exception than you are posting. Perhaps in the logs or on the console. We can't help with what you've shown so far.
Panayiotis Niko wrote:Is the first year where im doing html,xml,jsp etc.. so forgive me.
But this is nothing to do with any of those... it's a Java problem.
The error is because 1.56 is not an nteger but a float?
From the API documentation for Integer.parseInt...
The documentation wrote:Parses the string argument as a signed decimal integer. The characters in the string must all be decimal digits...