Questions tagged as 'java-ee'

Tagged questions
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The request sent by the client was syntactically incorrect

I'm developing an application with Spring MVC 4. And I'm getting this error "Status 400 - The request sent by the client was syntactically incorrect". As I researched the internet, I saw that this is because Spring can not make the link between...
asked by 17.03.2018 / 19:28
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Show result of a servlet list in JSP page

I need to capture an input name, query the database, and return the result in a jsp page. I want to show the result in a short section of the JSP page, in case I mix the JSP page text with the result I want to capture. jsp page with input  ...
asked by 17.03.2018 / 22:08
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print a list returned from the servlet in a jsp

Good morning, guys I'm killing myself to make my jsp return a list that comes from the DB, I'm getting the information from the bank and I can launch from the servlet to the jsp but not in an orderly and dynamic way, ends up pulling all the item...
asked by 02.03.2018 / 15:36
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Primefaces p: selectBooleanButton Ignoring Converter

I'm trying to make a p:selectBooleanButton be used to select the status of a registration form. The value of the attribute in the model is Enum with two values that can be translated as True or False . However, after w...
asked by 07.03.2018 / 12:42
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Tom cat - Configure X-FRAME-OPTIONS

Hello, I'm trying to set up tomcat web.xml version 9.0.2, as documented in: link to allow the addition of iframe on a specific page, however you are presenting me with the following error: javax.servlet.ServletException: The property [ant...
asked by 26.02.2018 / 20:32
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Illegal use of < when > -style tag without < choose > its direct parent

I'm developing a web application using jsp and servlet page and would like to show the data from my servlet in two repeat structures one with the produots and another with the plots but this error appears. Illegal use of &lt;when&gt;-s...
asked by 25.02.2018 / 02:18
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WildFly cast error 11 with Dom4J

Hello When trying to run my Java EE project, it is popping the exception " java.lang.ClassCastException: org.dom4j.DocumentFactory can not be cast to org.dom4j.DocumentFactory ". Below is the WildFly console: JAVA_OPTS already set in enviro...
asked by 12.02.2018 / 18:56
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How do I extract information from a video when uploading with FileUpload?

On the system I'm doing, I need to prevent a video from being uploaded for more than 1 minute and let the user know. Any way to do that? Thank you.     
asked by 04.02.2018 / 15:30
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Angular Authentication 2 - Java Servlet

I have a problem using an API that I can not make changes to, it happens as follows, I have a servlet that extends from a security library, this library is in charge of logging, allow the methods to be used in the servlet , etc. When I go thr...
asked by 06.02.2018 / 18:23
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Error in using and initializing Spotify API for Java web

I'm trying to use Spotify's Api for days and I really do not know what's going on, there are several errors in the WildFly Server Boot 11.0 in the case, already tried with others and the errors are the same and all related with apparently no achi...
asked by 25.01.2018 / 13:25