If we use a form with an Autocompleter component and submit it without selecting a value from it's list, it issues the following error.
String index out of range: 0 Stack Trace: - java.lang.String.charAt(String.java:558) - org.apache.tapestry.util.io.DataSqueezerImpl.unsqueeze( DataSqueezerImpl.java:164) - $DataSqueezer_10d37ed6ef2.unsqueeze($DataSqueezer_10d37ed6ef2.java) - org.apache.tapestry.data.NullDataSqueezerFilter.unsqueeze( NullDataSqueezerFilter.java:40) - $DataSqueezer_10d37ed6ef4.unsqueeze($DataSqueezer_10d37ed6ef4.java) - $DataSqueezer_10d37ed6d99.unsqueeze($DataSqueezer_10d37ed6d99.java) - org.apache.tapestry.dojo.form.Autocompleter.rewindFormWidget( Autocompleter.java:151) - org.apache.tapestry.dojo.form.AbstractFormWidget.rewindFormComponent (AbstractFormWidget.java:51) - org.apache.tapestry.form.AbstractFormComponent.renderComponent( AbstractFormComponent.java:118) - org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:676) - org.apache.tapestry.services.impl.DefaultResponseBuilder.render( DefaultResponseBuilder.java:131) - org.apache.tapestry.BaseComponent.renderComponent(BaseComponent.java:92) - org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:676) - org.apache.tapestry.services.impl.DefaultResponseBuilder.render( DefaultResponseBuilder.java:131) - org.apache.tapestry.AbstractComponent.renderBody( AbstractComponent.java:491) - org.apache.tapestry.components.RenderBody.renderComponent( RenderBody.java:41) - org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:676) - org.apache.tapestry.services.impl.DefaultResponseBuilder.render( DefaultResponseBuilder.java:131) - org.apache.tapestry.AbstractComponent.renderBody( AbstractComponent.java:491) - org.apache.tapestry.form.FormSupportImpl.rewind(FormSupportImpl.java:593) - org.apache.tapestry.form.Form.renderComponent(Form.java:196) - org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:676) - org.apache.tapestry.services.impl.DefaultResponseBuilder.render( DefaultResponseBuilder.java:131) - org.apache.tapestry.form.Form.rewind(Form.java:284) - org.apache.tapestry.engine.RequestCycle.rewindForm(RequestCycle.java:458) - org.apache.tapestry.form.Form.trigger(Form.java:295) - org.apache.tapestry.engine.DirectService.triggerComponent( DirectService.java:170) - org.apache.tapestry.engine.DirectService.service(DirectService.java:146) - $IEngineService_10d37ed6e23.service($IEngineService_10d37ed6e23.java) - org.apache.tapestry.services.impl.EngineServiceOuterProxy.service( EngineServiceOuterProxy.java:72) - org.apache.tapestry.engine.AbstractEngine.service( AbstractEngine.java:241) - org.apache.tapestry.services.impl.InvokeEngineTerminator.service( InvokeEngineTerminator.java:60) - $WebRequestServicer_10d37ed6e01.service($WebRequestServicer_10d37ed6e01.java) - $WebRequestServicer_10d37ed6dfd.service($WebRequestServicer_10d37ed6dfd.java) - org.apache.tapestry.services.impl.WebRequestServicerPipelineBridge.service (WebRequestServicerPipelineBridge.java:56) - $ServletRequestServicer_10d37ed6de3.service($ServletRequestServicer_10d37ed6de3.java) - org.apache.tapestry.request.DecodedRequestInjector.service( DecodedRequestInjector.java:55) - $ServletRequestServicerFilter_10d37ed6ddf.service($ServletRequestServicerFilter_10d37ed6ddf.java) - $ServletRequestServicer_10d37ed6de5.service($ServletRequestServicer_10d37ed6de5.java) - org.apache.tapestry.multipart.MultipartDecoderFilter.service( MultipartDecoderFilter.java:52) - $ServletRequestServicerFilter_10d37ed6ddd.service($ServletRequestServicerFilter_10d37ed6ddd.java) - $ServletRequestServicer_10d37ed6de5.service($ServletRequestServicer_10d37ed6de5.java) - org.apache.tapestry.services.impl.SetupRequestEncoding.service( SetupRequestEncoding.java:53) - $ServletRequestServicerFilter_10d37ed6de1.service($ServletRequestServicerFilter_10d37ed6de1.java) - $ServletRequestServicer_10d37ed6de5.service($ServletRequestServicer_10d37ed6de5.java) - $ServletRequestServicer_10d37ed6dd7.service($ServletRequestServicer_10d37ed6dd7.java) - org.apache.tapestry.ApplicationServlet.doService( ApplicationServlet.java:123) - org.apache.tapestry.ApplicationServlet.doPost( ApplicationServlet.java:168) - javax.servlet.http.HttpServlet.service(HttpServlet.java:717) - javax.servlet.http.HttpServlet.service(HttpServlet.java:810) - org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( ApplicationFilterChain.java:252) - org.apache.catalina.core.ApplicationFilterChain.doFilter( ApplicationFilterChain.java:173) - org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter( ReplyHeaderFilter.java:81) - org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( ApplicationFilterChain.java:202) - org.apache.catalina.core.ApplicationFilterChain.doFilter( ApplicationFilterChain.java:173) - org.apache.catalina.core.StandardWrapperValve.invoke( StandardWrapperValve.java:213) - org.apache.catalina.core.StandardContextValve.invoke( StandardContextValve.java:178) - org.jboss.web.tomcat.security.CustomPrincipalValve.invoke( CustomPrincipalValve.java:39) - org.jboss.web.tomcat.security.SecurityAssociationValve.invoke( SecurityAssociationValve.java:159) - org.jboss.web.tomcat.security.JaccContextValve.invoke( JaccContextValve.java:59) - org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:126) - org.apache.catalina.valves.ErrorReportValve.invoke( ErrorReportValve.java:105) - org.apache.catalina.core.StandardEngineValve.invoke( StandardEngineValve.java:107) - org.apache.catalina.connector.CoyoteAdapter.service( CoyoteAdapter.java:148) - org.apache.coyote.http11.Http11Processor.process( Http11Processor.java:856) - org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection (Http11Protocol.java:744) - org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket( PoolTcpEndpoint.java:527) - org.apache.tomcat.util.net.MasterSlaveWorkerThread.run( MasterSlaveWorkerThread.java:112) - java.lang.Thread.run(Thread.java:595) -- Pedro Viegas
