Questions tagged as 'jsp'

Tagged questions
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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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How to upload an image to a file using JSP

Hello, how are you? I already apologize for the language, because I live in Uruguay. I would like to know how and what Java objects (specifically JSP) can I use to upload an image to a file on my Windows? I have a field <input type="fil...
asked by 22.02.2018 / 18:01
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Java / JSTL - Table listing with c: forEach

I've tried listing database information on a JSP page using the <c:forEach> tag, but I'm not getting any return values. ADO: @Override public List<Livro> consultar() throws SQLException{ List<Livro&g...
asked by 21.02.2018 / 19:21
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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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how to pass HTML objects as parameters

I wanted to know how I can pass a VARIAVEL variable of type "[object HTMLTableRowElement]" as a parameter to send to a JSP that will make a $(VARIAVEL).remove() using javascript. This variable has a value similar to this...
asked by 07.02.2018 / 19:46
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Capture the file creation date

BoEstou creating a control panel in jsp to show the excell file updates of a particular network folder. Problem: I have several programs in SAS that are scheduled to update daily, and generate the files in the folder. But sometimes the progra...
asked by 24.01.2018 / 13:13
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Error opening application - Can not call sendError () after the response has been committed

When I open my web application, it already has the following error. jan 28, 2018 3:35:57 PM org.apache.catalina.core.StandardWrapperValve invoke GRAVE: Servlet.service() for servlet [default] in context with path [/Portal_Porto_Seguro] threw e...
asked by 28.01.2018 / 18:39
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Mount a table of products as a window in java jsp

I'm having a hard time presenting a list of showcase-type products using Java and JSP . I can get the data, but I can not fill this table using <c:forEach> My table would have this structure: <table> <c:forEa...
asked by 05.12.2017 / 02:13
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JSP - java.lang.IllegalArgumentException: Parameter value [11] did not match expected type [java.lang.Integer (n / a)]

SOMEONE CAN SAY WHAT I AM DOING WRONG? public List<Usuario> obterusuario(String user){ Consultar consulta = new Consultar (); EntityManager obconsulta = consulta.getEntityManager(); System.out.println("passou"+user); S...
asked by 27.11.2017 / 05:36