Optional int parameter ‘xxx‘ is present but cannot be translated into a null value due to being.....

异常代码

`j`ava.lang.IllegalStateException: Optional int parameter 'tyId' is present but cannot be translated into a null value due to being declared as a primitive type. Consider declaring it as object wrapper for the corresponding primitive type.`
		`at org.springframework.web.method.annotation.AbstractNamedValueMethodArgumentResolver.handleNullValue(AbstractNamedValueMethodArgumentResolver.java:238)`
		`at org.springframework.web.method.annotation.AbstractNamedValueMethodArgumentResolver.resolveArgument(AbstractNamedValueMethodArgumentResolver.java:111)`
		`at org.springframework.web.method.support.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.java:121)`
		`at org.springframework.web.method.support.InvocableHandlerMethod.getMethodArgumentValues(InvocableHandlerMethod.java:158)`
		`at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:128)`
		`at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)`
		`at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)`
		`at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)`
		`at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)`
		`at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)`
		`at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)`
		`at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)`
		`at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)`
		`at javax.servlet.http.HttpServlet.service(HttpServlet.java:626)`
		`at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)`
		`at javax.servlet.http.HttpServlet.service(HttpServlet.java:733)`
		`at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227)`
		`at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)`
		`at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)`
		`at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)`
		`at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)`
		`at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)`
		`at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)`
		`at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)`
		`at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)`
		`at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)`
		`at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)`
		`at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)`
		`at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143)`
		`at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)`
		`at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:687)`
		`at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)`
		`at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357)`
		`at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374)`
		`at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)`
		`at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:893)`
		`at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1707)`
		`at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)`
		`at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)`
		`at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)`
		`at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)`
		at java.base/java.lang.Thread.run(Thread.java:831)`

异常原因:

@Param //mybais的注解引用错误

解决方法:将@Param改成@PathVariable就可以了。