/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.wicket.protocol.http;

import org.apache.wicket.WicketRuntimeException;

/**
 * Thrown when the {@link org.apache.wicket.protocol.http.WebRequestCycleProcessor} could not
 * process the request or {@link org.apache.wicket.request.AbstractRequestCycleProcessor} could not
 * resolve the rendered page.
 */
public class PageExpiredException extends WicketRuntimeException
{
	private static final long serialVersionUID = 1L;

	/**
	 * @see WicketRuntimeException#WicketRuntimeException(java.lang.String)
	 */
	public PageExpiredException(final String message)
	{
		super(message);
	}

	/**
	 * Constructor
	 * 
	 * @param message
	 * @param cause
	 */
	public PageExpiredException(final String message, Exception cause)
	{
		super(message, cause);
	}
}

@@ -849,48 +849,267 @@
 ort 
-org.apache.wicket.WicketRuntimeException
+java.io.NotSerializableException;%0A%0Aimport javax.servlet.http.HttpSession;%0A%0Aimport org.apache.wicket.Page;%0Aimport org.apache.wicket.WicketRuntimeException;%0Aimport org.apache.wicket.request.handler.IPageProvider;%0Aimport org.apache.wicket.settings.IStoreSettings
 ;%0A%0A/
@@ -1130,19 +1130,17 @@
 hen 
-the
+a
  %7B@link 
 org.
@@ -1139,205 +1139,619 @@
 ink 
-org.apache.wicket.protocol.http.WebRequestCycleProcessor%7D could not%0A * process the request or %7B@link org.apache.wicket.request.AbstractRequestCycleProcessor%7D could not%0A * resolve the rendered page.
+Page%7D instance cannot be found by its id in the page stores. The page may be%0A * missing because of reasons like:%0A * %3Cul%3E%0A * %3Cli%3Ethe page have never been stored there, e.g. an error occurred during the storing process%3C/li%3E%0A * %3Cli%3Ethe http session has expired and thus all pages related to this session are erased too%3C/li%3E%0A * %3Cli%3Ethe page instance has been erased because the store size exceeded%3C/li%3E%0A * %3C/ul%3E%0A * %0A * @see HttpSession#setMaxInactiveInterval(int)%0A * @see IStoreSettings#setMaxSizePerSession(org.apache.wicket.util.lang.Bytes)%0A * @see NotSerializableException%0A * @see IPageProvider#getPageInstance()
 %0A */

Update javadoc.