idが 'shortDate'のカスタムConversionExecutorがありません

Question

java spring webflowで状態を遷移させるときに日付文字列をjava.sql.Dateオブジェクトに変換するためのカスタムコンバータを定義しました。しかし、私はフォームを提出するときに、以下のエラーが表示されます。

なぜこのエラーが発生するのか理解できますか？

私は4.1.5.RELEASEスプリングフレームワーク2.4.2.RELEASEスプリングウェブフローを使用しています。

コンバータ：

import org.springframework.binding.convert.converters.StringToObject; 

import java.text.DateFormat; 
import java.text.SimpleDateFormat; 
import java.text.ParseException; 
import java.sql.Date; 

public class StringToDateTwoWayConverter extends StringToObject { 
    private DateFormat formatter = null; 

    public StringToDateTwoWayConverter() { 
     super(StringToDateTwoWayConverter.class); 
     formatter = new SimpleDateFormat("dd/MM/yyyy"); 
    } 

    @Override 
    protected Object toObject(String string, Class targetClass) throws Exception { 
     Date date = null; 
     try { 
      long parsedDate = formatter.parse(string).getTime(); 
      date = new Date(parsedDate); 
     } catch (ParseException e) { 
      e.printStackTrace(); 
      return null; 
     } 
     return date; 
    } 

    @Override 
    protected String toString(Object object) throws Exception { 
     Date date = (Date) object; 
     return formatter.format(date); 
    } 
} 

conversionService：

import com.housemanagement.converter.StringToDateTwoWayConverter; 
import org.springframework.binding.convert.service.DefaultConversionService; 
import org.springframework.stereotype.Component; 

@Component("conversionService") 
public class ApplicationConversionService extends DefaultConversionService 
{ 
    @Override 
    protected void addDefaultConverters() { 
     super.addDefaultConverters();   
     this.addConverter(new StringToDateTwoWayConverter()); 
     this.addConverter("shortDate", new StringToDateTwoWayConverter()); 
    } 

} 

のWebflow-config.xmlの

<flow:flow-builder-services id="flowBuilderServices" view-factory-creator="mvcViewFactoryCreator" conversion-service="conversionService" /> 

フォーム結合

<binding property="dob" converter="shortDate" required="true" /> 

スタックトレース：あなたが登録したいタイプでスーパーを呼び出す必要が

Warning: StandardWrapperValve[dispatcher]: Servlet.service() for servlet dispatcher threw exception 
org.springframework.binding.convert.ConversionExecutorNotFoundException: No custom ConversionExecutor found with id 'shortDate' for converting from sourceClass [java.lang.String] to targetClass [java.sql.Date] 
    at org.springframework.binding.convert.service.GenericConversionService.getConversionExecutor(GenericConversionService.java:181) 
    at org.springframework.webflow.engine.builder.support.FlowBuilderContextImpl$ParentConversionServiceProxy.getConversionExecutor(FlowBuilderContextImpl.java:159) 
    at org.springframework.binding.convert.service.GenericConversionService.getConversionExecutor(GenericConversionService.java:179) 
    at org.springframework.webflow.mvc.view.AbstractMvcView.addMapping(AbstractMvcView.java:444) 
    at org.springframework.webflow.mvc.view.AbstractMvcView.addModelBindings(AbstractMvcView.java:409) 
    at org.springframework.webflow.mvc.view.AbstractMvcView.bind(AbstractMvcView.java:387) 
    at org.springframework.webflow.mvc.view.AbstractMvcView.processUserEvent(AbstractMvcView.java:225) 
    at org.springframework.webflow.engine.ViewState.handleEvent(ViewState.java:225) 
    at org.springframework.webflow.engine.ViewState.resume(ViewState.java:195) 
    at org.springframework.webflow.engine.Flow.resume(Flow.java:537) 
    at org.springframework.webflow.engine.impl.FlowExecutionImpl.resume(FlowExecutionImpl.java:259) 
    at org.springframework.webflow.executor.FlowExecutorImpl.resumeExecution(FlowExecutorImpl.java:169) 
    at org.springframework.webflow.mvc.servlet.FlowHandlerAdapter.handle(FlowHandlerAdapter.java:228) 
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943) 
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877) 
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966) 
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) 
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) 
    at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:344) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) 
    at org.glassfish.tyrus.servlet.TyrusServletFilter.doFilter(TyrusServletFilter.java:295) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) 
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:316) 
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160) 
    at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734) 
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673) 
    at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99) 
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174) 
    at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:415) 
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:282) 
    at com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459) 
    at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:167) 
    at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:201) 
    at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:175) 
    at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235) 
    at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119) 
    at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:284) 
    at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:201) 
    at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:133) 
    at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:112) 
    at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77) 
    at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:561) 
    at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112) 
    at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117) 
    at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56) 
    at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137) 
    at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:565) 
    at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:545) 
    at java.lang.Thread.run(Thread.java:745) 

Answer 1

：

public StringToDateTwoWayConverter() { 
    super(Date.class); 
    formatter = new SimpleDateFormat("dd/MM/yyyy"); 
}