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On 4/29/08, Ritz123 [EMAIL PROTECTED] wrote:
Hi,
After spending quiet a few hours on PageParameter mystery I think its time
to get experts help.
I have a few Bookmarkable pages with MixedParamStrategy set - this means I
have few fixed parameters and few optional params. What is happening is,
somewhere in my code (digging as we speak) one of the optional parameters is
getting a default value of false in the URL. Here is the discrete URL
thats failing
http://localhost:8080/mfg/Polycom/POLYCOM/133/?isAnd=false where mfg is the
mount path, Polycom is mfg name, POLYCOM is mfg id and 133 is category id -
all of these are obviously Fixed parameters for MixedParamStrategy and isAnd
which is an optional param getting set to default false and is part of the
URL.
What seems to be happening is, somehow the parametermap is storing isAnd
is an array of strings instead of just string and hence
MixedParameterUrlCodingStrategy.appendParameter (line 153of wicket 1.3.X)
fails with the ClassCastException and yet the length of the array is only 1
so there is no reason to convert an existing String param to String array -
but somehow that is what is happening.
I put some debugging statements in the ValueMap.java to see who is setting
it as String array - and here is the stack trace I get (see below)
This actually brings up multiple questions why cant
mixedparamurlcodingstragy handle multiple values etc. but that is not
important in my case - since I will always have 1 value for now. But just
wondering what if I had multi select boxes etc.
Will appreciate any pointers.
java.lang.RuntimeException: = ValueMap.putall... putting
isand with array
at org.apache.wicket.util.value.ValueMap.putAll(ValueMap.java:494)
at
org.apache.wicket.request.target.coding.MixedParamUrlCodingStrategy.decodeParameters(MixedParamUrlCodingStrategy.java:189)
at
org.apache.wicket.request.target.coding.BookmarkablePageRequestTargetUrlCodingStrategy.decode(BookmarkablePageRequestTargetUrlCodingStrategy.java:76)
at
org.apache.wicket.protocol.http.request.WebRequestCodingStrategy.targetForRequest(WebRequestCodingStrategy.java:475)
at
org.apache.wicket.protocol.http.WebRequestCycleProcessor.resolve(WebRequestCycleProcessor.java:175)
at org.apache.wicket.RequestCycle.step(RequestCycle.java:1227)
at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1347)
at org.apache.wicket.RequestCycle.request(RequestCycle.java:496)
at
org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:375)
at
org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:199)
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:210)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
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.valves.AccessLogValve.invoke(AccessLogValve.java:542)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
at java.lang.Thread.run(Thread.java:595)
--
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