This looks like it must have been one of them.
- - [13/Jan/2011:14:26:34 -0600] "GET
/?wicket:interface=:26::INewBrowserWindowListener:: HTTP/1.1" 302 -
"http://app.buzzstream.com/link_partners/wicket:pageMapName/link_partners/org.apache.wicket.markup.html.WicketEventReference/wicket-event.js/wicket:pageMapName/resources";
"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.13) Gecko/20101203
Firefox/3.6.13 GTB7.1 ( .NET CLR 3.5.30729)"
- - [13/Jan/2011:14:26:34 -0600] "GET /?wicket:interface=wicket-8:27::::
HTTP/1.1" 200 3163
"http://app.buzzstream.com/link_partners/wicket:pageMapName/link_partners/org.apache.wicket.markup.html.WicketEventReference/wicket-event.js/wicket:pageMapName/resources";
"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.13) Gecko/20101203
Firefox/3.6.13 GTB7.1 ( .NET CLR 3.5.30729)"
On Jan 14, 2011, at 5:23 PM, Igor Vaynberg wrote:
> do their apache logs contain a sample of the url that caused this
> error? would be helpful to see one.
>
> -igor
>
> On Fri, Jan 14, 2011 at 3:12 PM, Douglas Ferguson
> <doug...@douglasferguson.us> wrote:
>> Sorry about my previous title.
>>
>> I'm not sure what's causing this, but I've spoken with some of my clients,
>> who spawned these errors and they weren't manipulating the querystrings..
>> So I'm not sure how two pagemap paramenters are getting in there..
>>
>> D/
>>
>> On Jan 13, 2011, at 11:40 AM, Douglas Ferguson wrote:
>>
>>> I see the stack trace below in my production logs quite often.
>>>
>>> I'm not sure what is causing it but it seems that this error need not
>>> happen. I.E. Why Cast this to a string when it could easily be String[] if
>>> somebody messes with the query string?
>>>
>>> Seem like a parameters.removeFirst() method could prevent this..
>>>
>>> String pageMapNameEncoded =
>>> (String)parameters.remove(WebRequestCodingStrategy.PAGEMAP);
>>> if (requestParameters.getPageMapName() == null)
>>> {
>>> requestParameters.setPageMapName(pageMapNameEncoded);
>>> }
>>>
>>>
>>>>
>>>>
>>>> [Ljava.lang.String; cannot be cast to java.lang.String
>>>> java.lang.ClassCastException: [Ljava.lang.String; cannot be cast to
>>>> java.lang.String
>>>> at
>>>> org.apache.wicket.request.target.coding.BookmarkablePageRequestTargetUrlCodingStrategy.decode(BookmarkablePageRequestTargetUrlCodingStrategy.java:91)
>>>> at
>>>> org.apache.wicket.protocol.http.request.WebRequestCodingStrategy.targetForRequest(WebRequestCodingStrategy.java:537)
>>>> at
>>>> org.apache.wicket.protocol.http.WebRequestCycleProcessor.resolve(WebRequestCycleProcessor.java:191)
>>>> at
>>>> org.apache.wicket.protocol.https.HttpsRequestCycleProcessor.resolve(HttpsRequestCycleProcessor.java:219)
>>>> at
>>>> com.conducive.wicket.PRManagerApplication$8.resolve(PRManagerApplication.java:709)
>>>> at org.apache.wicket.RequestCycle.step(RequestCycle.java:1310)
>>>> at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1436)
>>>> at org.apache.wicket.RequestCycle.request(RequestCycle.java:545)
>>>> at
>>>> org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:484)
>>>> at
>>>> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:317)
>>>> at
>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
>>>> at
>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
>>>> at
>>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
>>>> at
>>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
>>>> at
>>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>>>> at
>>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
>>>> at
>>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
>>>> at
>>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
>>>> at
>>>> org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200)
>>>> at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)
>>>> at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773)
>>>> at
>>>> org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703)
>>>> at
>>>> org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895)
>>>> at
>>>> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
>>>> at java.lang.Thread.run(Unknown Source)
>>>>
>>>
>>
>>
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