Random Stale Link exceptions (without back button usage)

[Tobias Marx <su...@gmx.de>]

I keep on getting random stale link exceptions in a Tapestry 4.1 application.

I am not using the browser's back button, however. The error is not reproducable and just "happens" to appear every 20th or 30th time a form is submitted.

The error message:

"Rewind of form Home/$Form expected only 0 form elements, but an additional id was requested by component Home/$TextField."

The generated HTML looks like that:

<form method="post" action="/Home,$Form.sdirect" id="Form">
<div style="display:none;" id="Formhidden"><input type="hidden" name="formids" value="tkeywords,p1,p2,s1" />
<input type="hidden" name="submitmode" value="" />
<input type="hidden" name="submitname" value="" />
</div>
          <div class="abstand-suche-text">Suchbegriff: 
            <input type="text" name="tkeywords" value="" id="tkeywords" class="eingabefeld" />
            <div class="strich-suche"></div>

          </div>
         
          <div class="abstand-suche-text">Wählen sie ggf. eine Kategorie: 
            <select name="p1" id="p1" class="eingabefeld">
<option value="24">Laurel &amp; Hardy</option>
</select>
            <div class="strich-suche"></div>
          </div>
          <div class="abstand-suche-text">Verwertungsmöglichkeiten: 
            <select name="p2" id="p2" class="eingabefeld">

<option value="0">-</option>
<option value="10">Web</option>
<option value="11">Mob</option>
<option value="12">Gr</option>
<option value="13">Ad</option>
<option value="14">mob</option>
</select>
            <div class="strich-suche"></div>
          </div>

          <div class="abstand-suche-text"> 
            <input type="submit" name="s1" id="s1" value="Suchen" class="button1" />
          </div>
          
          </form>


The Java code looks like that:

// both client and non-client persistence does have the same effect

@Persist("client")  
public abstract Category getSelectedCategory();
	
@Persist("client") 
public abstract License getSelectedLicense();
	
@Persist("client") 
public abstract String getKeywords();
	

The Template looks like that:

        <form jwcid="@Form" id="f1">
          <div class="abstand-suche-text"><span key="search.contextSearch" />: 
            <input class="eingabefeld" jwcid="@TextField" value="ognl:keywords" id="tkeywords"/>
            <div class="strich-suche"></div>
          </div>
         
          <div class="abstand-suche-text"><span key="search.chooseCategory" />: 
            <span jwcid="@PropertySelection" model="ognl:categoryModel" value="ognl:selectedCategory" class="eingabefeld" id="p1"/>
            <div class="strich-suche"></div>
          </div>
          <div class="abstand-suche-text"><span key="search.opportunities" />: 
            <span jwcid="@PropertySelection" model="ognl:licenseModel" value="ognl:selectedLicense" class="eingabefeld" id="p2"/>
            <div class="strich-suche"></div>
          </div>
          <div class="abstand-suche-text"> 
            <input type="submit" class="button1" value="message:search" jwcid="@Submit" action="listener:doSearch" id="s1"/>
          </div>
          
          </form>

Any ideas?


Tobias

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