title: I can't insert a basic HTML whitespace without getting an error. Is there any other way?
body: <p>I have my implementation with spring, js, and other technologies, whenever i try to use a &nsbp; for white space it gives me the following error:</p>
  
  <p><strong>Caused by: org.apache.jasper.JasperException: /WEB-INF/views/entrada/list.jspx(94,67) The entity "nbsp" was referenced, but not declared.</strong></p>
  
  <pre><code>at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)
      at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
      at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:88)
      at org.apache.jasper.compiler.JspDocumentParser.parse(JspDocumentParser.java:216)
      at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:239)
      at org.apache.jasper.compiler.ParserController.parseDirectives(ParserController.java:120)
      at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:165)
      at org.apache.jasper.compiler.Compiler.compile(Compiler.java:332)
      at org.apache.jasper.compiler.Compiler.compile(Compiler.java:312)
      at org.apache.jasper.compiler.Compiler.compile(Compiler.java:299)
      at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:589)
      at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)
      at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
      at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
      at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
      at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
      at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
      at org.apache.jasper.runtime.PageContextImpl.doInclude(PageContextImpl.java:650)
      at org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:644)
      at org.apache.tiles.jsp.context.JspTilesRequestContext.include(JspTilesRequestContext.java:103)
      ... 106 more
  </code></pre>
  
  <p><strong>My code:</strong></p>
  
  <pre><code>&lt;/td&gt;
          &lt;td&gt;
              &lt;c:forEach items="${entrada.tags}" var="tag"&gt;
              &lt;spring:url value="/find/ByTags?tags=${tag.id}" var="buscarTag"/&gt;
                  &lt;a href="${buscarTag}"&gt;${tag}&lt;/a&gt; &amp;nbsp;
              &lt;/c:forEach&gt;
          &lt;/td&gt;
           &lt;td&gt;&lt;input type="hidden" class="horasIn" value="${entrada.horas}"/&gt;
           ${fn:substring(entrada.horas, 0, 10)}
           &lt;c:set var="totalHoras" value="${totalHoras+ entrada.horas }"&gt;&lt;/c:set&gt;bs
  </code></pre>