在Spring Boot v2.2.2.RELEASE中的异常处理程序不起作用？

huangapple
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英文:

Exception Handler in Spring boot v 2.2.2.RELEASE not working?

问题

以下是您提供的代码部分的中文翻译：

FileRestService 类：

  1. package com.file.web;
  3. import java.io.File;
  4. import java.io.FileOutputStream;
  5. import java.io.IOException;
  7. import javax.annotation.processing.FilerException;
  9. import org.springframework.beans.factory.annotation.Autowired;
  10. import org.springframework.http.HttpStatus;
  11. import org.springframework.http.ResponseEntity;
  12. import org.springframework.web.bind.annotation.CrossOrigin;
  13. import org.springframework.web.bind.annotation.PostMapping;
  14. import org.springframework.web.bind.annotation.RequestMapping;
  15. import org.springframework.web.bind.annotation.RequestMethod;
  16. import org.springframework.web.bind.annotation.RequestParam;
  17. import org.springframework.web.bind.annotation.RestController;
  18. import org.springframework.web.multipart.MultipartFile;
  19. import org.springframework.web.servlet.mvc.support.RedirectAttributes;
  21. import com.file.entities.FileRepository;
  22. import com.file.service.FileService;
  24. @CrossOrigin("*")
  25. @RestController
  26. public class FileRestService {
  27.     @Autowired
  28.     FileRepository fileRepository;
  30.     @Autowired
  31.     FileService fileService;
  33.     @RequestMapping(value="/upload/file", method=RequestMethod.POST)
  34.     public ResponseEntity<Object> uploadFile(@RequestParam("file") MultipartFile file) throws FilerException {
  35.         fileService.uploadFile(file);
  36.         return new ResponseEntity<Object>("文件上传成功", HttpStatus.OK);
  37.     }
  38. }

AppExceptionHandeller 类：

  1. package com.file.web.exeception;
  3. import java.util.ArrayList;
  4. import java.util.List;
  6. import org.springframework.http.HttpHeaders;
  7. import org.springframework.http.HttpStatus;
  8. import org.springframework.http.ResponseEntity;
  9. import org.springframework.web.bind.annotation.ControllerAdvice;
  10. import org.springframework.web.bind.annotation.ExceptionHandler;
  11. import org.springframework.web.context.request.WebRequest;
  13. @ControllerAdvice
  14. public class AppExceptionHandeller {
  15.     @ExceptionHandler(FileException.class)
  16.     public ResponseEntity<Object> handleException(FileStorageException ex, WebRequest request) {
  17.         List<String> errors = new ArrayList<String>();
  18.         errors.add("会话已过期");
  19.         ApiError apiError = new ApiError(HttpStatus.BAD_REQUEST, ex.getLocalizedMessage(), errors);
  20.         return new ResponseEntity<Object>(apiError, new HttpHeaders(), apiError.getStatus());
  21.     }
  22. }

FileServiceImp 类：

  1. package com.file.service;
  3. import java.io.File;
  4. import java.io.IOException;
  5. import java.nio.file.Files;
  6. import java.nio.file.Path;
  7. import java.nio.file.Paths;
  8. import java.nio.file.StandardCopyOption;
  10. import org.springframework.stereotype.Service;
  11. import org.springframework.util.StringUtils;
  12. import org.springframework.web.multipart.MultipartFile;
  14. import com.file.web.exeception.FileStorageException;
  16. @Service
  17. public class FileServiceImp implements FileService {
  18.     public String uploadDir="/Users/mac/Desktop/upload";
  20.     @Override
  21.     public void uploadFile(MultipartFile file) {
  22.         Path copyLocation = Paths.get(uploadDir + File.separator + StringUtils.cleanPath(file.getOriginalFilename()));
  23.         try {
  24.             Files.copy(file.getInputStream(), copyLocation, StandardCopyOption.REPLACE_EXISTING);
  25.         } catch (IOException e) {
  26.             System.out.println("空文件...");
  27.             throw new FileStorageException("无法存储文件 " + file.getOriginalFilename() + "。请重试！");
  28.         }
  29.     }
  31.     @Override
  32.     public void DownloadFile() {
  34.     }
  35. }

FileStorageException 类：

  1. package com.file.web.exeception;
  3. public class FileStorageException extends RuntimeException {
  4.     private static final long serialVersionUID = 1L;
  5.     private String msg;
  7.     public FileStorageException(String msg) {
  8.         this.msg = msg;
  9.     }
  11.     public String getMsg() {
  12.         return msg;
  13.     }
  14. }

请注意，我只提供了代码部分的翻译，不包括代码外的附加内容。如果您有任何其他问题，欢迎继续询问。

英文:

I am implementing global error handling in my project using Spring boot. I am throwing a "FileStorageException " when my "File" object is "null". But the Spring exception handler is not catching it.

FileRestService class:

  1. package com.file.web;
  3. import java.io.File;
  4. import java.io.FileOutputStream;
  5. import java.io.IOException;
  7. import javax.annotation.processing.FilerException;
  9. import org.springframework.beans.factory.annotation.Autowired;
  10. import org.springframework.http.HttpStatus;
  11. import org.springframework.http.ResponseEntity;
  12. import org.springframework.web.bind.annotation.CrossOrigin;
  13. import org.springframework.web.bind.annotation.PostMapping;
  14. import org.springframework.web.bind.annotation.RequestBody;
  15. import org.springframework.web.bind.annotation.RequestMapping;
  16. import org.springframework.web.bind.annotation.RequestMethod;
  17. import org.springframework.web.bind.annotation.RequestParam;
  18. import org.springframework.web.bind.annotation.RestController;
  19. import org.springframework.web.multipart.MultipartFile;
  20. import org.springframework.web.servlet.mvc.support.RedirectAttributes;
  22. import com.file.entities.FileRepository;
  23. import com.file.service.FileService;
  25. @CrossOrigin(&quot;*&quot;)
  26. @RestController
  27. public class FileRestService {
  28. 	@Autowired
  29. 	FileRepository fileRepository;
  30. 	
  31. 	
  32. 	@Autowired
  33. 	FileService fileService;
  34. 	
  35. 	@RequestMapping(value=&quot;/upload/file&quot;,method=RequestMethod.POST)
  36. 	public ResponseEntity&lt;Object&gt; uploadFile(@RequestParam(&quot;file&quot;) MultipartFile file) throws FilerException {
  37. 		
  38. 		 fileService.uploadFile(file);
  39. 		
  40. 		return new ResponseEntity&lt;Object&gt;(&quot;file is uploaded successfuly&quot;,HttpStatus.OK);
  41. 	}
  42. 	
  43. 	
  44. 	
  45. }

AppExceptionHandeller class

  1. package com.file.web.exeception;
  3. import java.util.ArrayList;
  4. import java.util.List;
  8. import org.springframework.http.HttpHeaders;
  9. import org.springframework.http.HttpStatus;
  10. import org.springframework.http.ResponseEntity;
  11. import org.springframework.web.bind.annotation.ControllerAdvice;
  12. import org.springframework.web.bind.annotation.ExceptionHandler;
  13. import org.springframework.web.context.request.WebRequest;
  18. @ControllerAdvice
  19. public class AppExceptionHandeller {
  20. 	@ExceptionHandler(FileException.class)
  21. 	public ResponseEntity&lt;Object&gt; etExcetion(FileStorageException ex, WebRequest request) {
  22. 			
  23. 			List&lt;String&gt; errors = new ArrayList&lt;String&gt;();
  24. 	errors.add(&quot;session exipred&quot;);
  25. 			ApiError apiError = new ApiError(HttpStatus.BAD_REQUEST, ex.getLocalizedMessage(), errors);
  26. 			return new ResponseEntity&lt;Object&gt;(apiError, new HttpHeaders(), apiError.getStatus());
  27. 		}
  28. }

FileServiceImp class

  1. package com.file.service;
  4. import java.io.File;
  5. import java.io.IOException;
  6. import java.nio.file.Files;
  7. import java.nio.file.Path;
  8. import java.nio.file.Paths;
  9. import java.nio.file.StandardCopyOption;
  12. import org.springframework.stereotype.Service;
  13. import  org.springframework.util.StringUtils;
  14. import org.springframework.web.multipart.MultipartFile;
  16. import com.file.web.exeception.FileStorageException;
  21. @Service
  22. public class FileServiceImp implements FileService {
  23.     public String uploadDir=&quot;/Users/mac/Desktop/upload&quot;;
  25. 	@Override
  26. 	public void uploadFile(MultipartFile file)   {
  27. 		//StringUtils.cleanPath(file.getOriginalFil);
  28. 		 Path copyLocation=Paths.get(uploadDir + File.separator + StringUtils.cleanPath(file.getOriginalFilename())); ;
  29. 		    try {
  30. 				Files.copy(file.getInputStream(), copyLocation, StandardCopyOption.REPLACE_EXISTING);
  31. 			} catch (IOException e) {
  32. 				// TODO Auto-generated catch block
  33. 				System.out.println(&quot;empty file ...&quot;);
  34. 	           throw new FileStorageException(&quot;Could not store file &quot; + file.getOriginalFilename()
  35.                + &quot;. Please try again!&quot;);
  37. 				//e.printStackTrace();
  38. 			}         
  39. 	}
  41. 	@Override
  42. 	public void DownloadFile() {
  43. 		
  44. 	}
  45. 	
  46. 	
  48. }

FileStorageException class

  1. package com.file.web.exeception;
  3. public class FileStorageException extends RuntimeException {
  5. 	
  6. 	 private static final long serialVersionUID = 1L;
  7. 	    private String msg;
  9. 	    public FileStorageException(String msg) {
  10. 	        this.msg = msg;
  11. 	    }
  13. 	    public String getMsg() {
  14. 	        return msg;
  15. 	    }	
  16. 	
  17. }

observe the FileRestService class. When I get a request for a file , if the file is not present it throws
exception. By default this needs to be catched by the ExceptionHandler. But instead of this I am getting the stackTrace like following. Please help me in catching this exception globally.

I followed this tuto (https://devwithus.com/exception-handling-for-rest-api-with-spring-boot/)
and this (https://stackoverflow.com/questions/48501265/exception-handler-in-spring-boot-not-working)
I can’t find the solution I’m starting in spring

  1. javax.annotation.processing.FilerException: Could not store file . Please try again!
  2. 	at com.file.service.FileServiceImp.uploadFile(FileServiceImp.java:34) ~[classes/:na]
  3. 	at com.file.web.FileRestService.uploadFile(FileRestService.java:41) ~[classes/:na]
  4. 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_212]
  5. 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_212]
  6. 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_212]
  7. 	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_212]
  8. 	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190) ~[spring-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  9. 	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138) ~[spring-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  10. 	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:106) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  11. 	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:888) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  12. 	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:793) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  13. 	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  14. 	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  15. 	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  16. 	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  17. 	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  18. 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:660) ~[tomcat-embed-core-9.0.29.jar:9.0.29]
  19. 	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  20. 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) ~[tomcat-embed-core-9.0.29.jar:9.0.29]
  21. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-9.0.29.jar:9.0.29]
  22. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.29.jar:9.0.29]
  23. 	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.29.jar:9.0.29]
  24. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.29.jar:9.0.29]
  25. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.29.jar:9.0.29]
  26. 	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  27. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  28. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.29.jar:9.0.29]
  29. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.29.jar:9.0.29]
  30. 	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  31. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  32. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.29.jar:9.0.29]
  33. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.29.jar:9.0.29]
  34. 	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  35. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
  36. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.29.jar:9.0.29]
  37. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.29.jar:9.0.29]
  38. 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) ~[tomcat-embed-core-9.0.29.jar:9.0.29]
  39. 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [tomcat-embed-core-9.0.29.jar:9.0.29]
  40. 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:526) [tomcat-embed-core-9.0.29.jar:9.0.29]
  41. 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) [tomcat-embed-core-9.0.29.jar:9.0.29]
  42. 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [tomcat-embed-core-9.0.29.jar:9.0.29]
  43. 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) [tomcat-embed-core-9.0.29.jar:9.0.29]
  44. 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) [tomcat-embed-core-9.0.29.jar:9.0.29]
  45. 	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367) [tomcat-embed-core-9.0.29.jar:9.0.29]
  46. 	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) [tomcat-embed-core-9.0.29.jar:9.0.29]
  47. 	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:860) [tomcat-embed-core-9.0.29.jar:9.0.29]
  48. 	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1591) [tomcat-embed-core-9.0.29.jar:9.0.29]
  49. 	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-9.0.29.jar:9.0.29]
  50. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_212]
  51. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_212]
  52. 	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-9.0.29.jar:9.0.29]
  53. 	at java.lang.Thread.run(Thread.java:748) [na:1.8.0_212]

答案1

得分: 0

我发现解决方案只是将FileException替换为FileStorageException

在FileRestService（将FilerException替换为FileStorageException）

在AppExceptionHandeller中（@ExceptionHandler(FileException.class)替换为@ExceptionHandler(FileStorageException.class))

英文:

I find solution just replaces FileException by FileStorageException

in FileRestService(throws FilerException... by throws FileStorageException)

in AppExceptionHandeller (@ExceptionHandler(FileException.class) by @ExceptionHandler(FileStorageException.class))

huangapple
  • 本文由 发表于 2020年10月27日 04:58:35
  • 转载请务必保留本文链接：https://go.coder-hub.com/64544884.html
  • java
  • spring-boot
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