Spring 未找到id为'；短期'；
我定义了一个自定义转换器，用于在java spring webflow中转换状态时将日期字符串转换为java.sql.date对象。但是，我在提交表单时遇到以下错误 你能帮我理解为什么我会犯这个错误吗 我使用的是4.1.5.RELEASE spring framework 2.4.2.RELEASE spring webflow 转换器：Spring 未找到id为'；短期'；,spring,spring-mvc,spring-webflow,Spring,Spring Mvc,Spring Webflow,我定义了一个自定义转换器，用于在java spring webflow中转换状态时将日期字符串转换为java.sql.date对象。但是，我在提交表单时遇到以下错误 你能帮我理解为什么我会犯这个错误吗 我使用的是4.1.5.RELEASE spring framework 2.4.2.RELEASE spring webflow 转换器： import org.springframework.binding.convert.converters.StringToObject; import j
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);
}
}
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());
}
}
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)
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);
}
}
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());
}
}
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)
<flow:flow-builder-services id="flowBuilderServices" view-factory-creator="mvcViewFactoryCreator" conversion-service="conversionService" />
您需要使用要注册的类型调用super：
public StringToDateTwoWayConverter () {
super(Date.class);
formatter = new SimpleDateFormat("dd/MM/yyyy");
}
你确定在重新尝试之前重新编译了所有内容吗？是的，我已经清理并构建了整个项目。但是，我仍然收到相同的错误。是否确实要处理java.sql.Date而不是java.util.Date？请尝试添加到mvcViewFactoryCreator