http-Parameter with empty value produces NoSuchElementException in FacesManager
short Nov 26, 2012 6:10 AMHi,
we use jboss seam 2.1.0 on jboss as 4.2.3.
Now we run into this issue if the application is called with an empty http-Parametervalue like
http://localhost:8080/application/?parametername
we got the following exception:
java.util.NoSuchElementException
at java.util.StringTokenizer.nextToken(StringTokenizer.java:332)
at org.jboss.seam.faces.FacesManager.interpolateAndRedirect(FacesManager.java:91)
at org.jboss.seam.jsf.SeamNavigationHandler.handleNavigation(SeamNavigationHandler.java:36)
at org.jboss.seam.navigation.Pages.handleOutcome(Pages.java:652)
at org.jboss.seam.navigation.Page.preRender(Page.java:295)
at org.jboss.seam.navigation.Pages.preRender(Pages.java:350)
at org.jboss.seam.jsf.SeamPhaseListener.preRenderPage(SeamPhaseListener.java:561)
at org.jboss.seam.jsf.SeamPhaseListener.beforeRenderResponse(SeamPhaseListener.java:472)
at org.jboss.seam.jsf.SeamPhaseListener.beforeServletPhase(SeamPhaseListener.java:148)
at org.jboss.seam.jsf.SeamPhaseListener.beforePhase(SeamPhaseListener.java:118)
at com.sun.faces.lifecycle.Phase.handleBeforePhase(Phase.java:214)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:96)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:73)
at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:206)
at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:388)
at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:515)
at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
<snip>
the code inside the method interpolateAndRedirect is
public void interpolateAndRedirect(String url)
{
Map<String, Object> parameters = new HashMap<String, Object>();
int loc = url.indexOf('?');
if (loc>0)
{
StringTokenizer tokens = new StringTokenizer( url.substring(loc), "?=&" );
while ( tokens.hasMoreTokens() )
{
90 String name = tokens.nextToken();
91 String value = Interpolator.instance().interpolate( tokens.nextToken() );
92 parameters.put(name, value);
}
url = url.substring(0, loc);
}
redirect(url, parameters, true, true);
}
has somebody any idea why this error occours?
thx!