JBWEB004197: Attribute id invalid for tag form according to TLD in JBoss EAP 6.x

Issue

We are seeing this error in your jsp page:

ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/].[jsp]] (http-/127.0.0.1:8080-1) JBWEB000236: Servlet.service() for servlet jsp threw exception: org.apache.jasper.JasperException: /jsp/examples/MyPage.jsp(242,0) JBWEB004197: Attribute id invalid for tag form according to TLD
  at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:42) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:145) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:96) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes(Validator.java:1241) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:844) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1530) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2377) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2427) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2433) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.compiler.Node$Root.accept(Node.java:495) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2377) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.compiler.Validator.validateExDirectives(Validator.java:1768) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:211) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.compiler.Compiler.compile(Compiler.java:359) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.compiler.Compiler.compile(Compiler.java:339) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.compiler.Compiler.compile(Compiler.java:326) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:606) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:308) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:309) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:242) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.2.Final-redhat-2.jar:1.0.2.Final-redhat-2]
...