Unable to parse structured date from request for date [visitor.dateOfBirth]
java.lang.NumberFormatException: For input string: ""
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
at java.lang.Integer.parseInt(Integer.java:468)
at java.lang.Integer.parseInt(Integer.java:497)
at org.codehaus.groovy.grails.web.binding.GrailsDataBinder.checkStructuredDateDefinitions(GrailsDataBinder.java:256)
at org.codehaus.groovy.grails.web.binding.GrailsDataBinder.bind(GrailsDataBinder.java:141)
at org.codehaus.groovy.grails.web.metaclass.BindDynamicMethod.invoke(BindDynamicMethod.java:66)
at gjdk.org.codehaus.groovy.grails.web.metaclass.BindDynamicMethod_GroovyReflector.invoke(Unknown Source)
at groovy.lang.MetaMethod.invoke(MetaMethod.java:115)
at org.codehaus.groovy.runtime.MetaClassHelper.doMethodInvoke(MetaClassHelper.java:713)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:559)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:449)
at org.codehaus.groovy.runtime.Invoker.invokePojoMethod(Invoker.java:129)
at org.codehaus.groovy.runtime.Invoker.invokeMethod(Invoker.java:117)
at org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.java:111)
at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodN(ScriptBytecodeAdapter.java:187)
at org.codehaus.groovy.grails.web.plugins.ControllersGrailsPlugin$_closure4_closure51_closure73.doCall(ControllersGrailsPlugin.groovy:349)