質問編集履歴
1
ああああああああああああああああああ
test
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ああああああああああああああああああ
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test
CHANGED
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### 前提・実現したいこと
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springbootでCRUDの学習をしており、createの部分で躓いており、Nullを解消してDBにデータをインサートしたいです。
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ProductControllerの４２行目が起因してエラーが出ているところはわかるのですが実際にどの部分が間違えているのかがわからないためご教授いただければ幸いです。
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デバッグを使用として、サービスクラスのmapperを呼び出しているところにブレークポイントを設定しましたが実行は止まらず解決の糸口がわからないため、何卒ご教授いただければ幸いです。
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### 発生している問題・エラーメッセージ
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```
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ああああああああああああああああああああああああああああああああああああ
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at cooking.controller.ProductController.postRegistration(ProductController.java:42)
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at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
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at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
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at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
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at java.base/java.lang.reflect.Method.invoke(Method.java:566)
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at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)
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at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
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at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105)
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36
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at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:893)
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at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:798)
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at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
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at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
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at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
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at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
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at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
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at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
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at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
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at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
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at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
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at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
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at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
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at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
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at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
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at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
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at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
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at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
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at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
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at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
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at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
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at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
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at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
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at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:94)
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at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
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at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
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at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
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at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
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at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
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at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
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at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
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at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
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at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
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at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
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at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
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at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
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at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
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at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
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at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367)
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at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
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at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:860)
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at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1598)
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at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
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at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
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at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
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at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
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at java.base/java.lang.Thread.run(Thread.java:829)
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```
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