我有這個問題，我不知道為什么我多次檢查所有檔案而沒有任何答案來修復它希望在這里找到它并且有人之前遇到過它：
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2022-01-10 15:53:21.873 ERROR 35021 --- [ restartedMain] o.s.boot.SpringApplication : Application run failed
org.springframework.context.ApplicationContextException: Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.NullPointerException: Cannot invoke "org.springframework.web.servlet.mvc.condition.PatternsRequestCondition.getPatterns()" because "this.condition" is null
at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:181) ~[spring-context-5.3.14.jar:5.3.14]
at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:54) ~[spring-context-5.3.14.jar:5.3.14]
at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:356) ~[spring-context-5.3.14.jar:5.3.14]
at java.base/java.lang.Iterable.forEach(Iterable.java:75) ~[na:na]
at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:155) ~[spring-context-5.3.14.jar:5.3.14]
at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:123) ~[spring-context-5.3.14.jar:5.3.14]
at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:935) ~[spring-context-5.3.14.jar:5.3.14]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:586) ~[spring-context-5.3.14.jar:5.3.14]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.6.2.jar:2.6.2]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:730) ~[spring-boot-2.6.2.jar:2.6.2]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:412) ~[spring-boot-2.6.2.jar:2.6.2]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:302) ~[spring-boot-2.6.2.jar:2.6.2]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1301) ~[spring-boot-2.6.2.jar:2.6.2]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1290) ~[spring-boot-2.6.2.jar:2.6.2]
at app.ryadhi.v1.RyadhiApplication.main(RyadhiApplication.java:12) ~[classes/:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na]
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na]
at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) ~[spring-boot-devtools-2.6.2.jar:2.6.2]
Caused by: java.lang.NullPointerException: Cannot invoke "org.springframework.web.servlet.mvc.condition.PatternsRequestCondition.getPatterns()" because "this.condition" is null
at springfox.documentation.spring.web.WebMvcPatternsRequestConditionWrapper.getPatterns(WebMvcPatternsRequestConditionWrapper.java:56) ~[springfox-spring-webmvc-3.0.0.jar:3.0.0]
at springfox.documentation.RequestHandler.sortedPaths(RequestHandler.java:113) ~[springfox-core-3.0.0.jar:3.0.0]
at springfox.documentation.spi.service.contexts.Orderings.lambda$byPatternsCondition$3(Orderings.java:89) ~[springfox-spi-3.0.0.jar:3.0.0]
at java.base/java.util.Comparator.lambda$comparing$77a9974f$1(Comparator.java:473) ~[na:na]
at java.base/java.util.TimSort.countRunAndMakeAscending(TimSort.java:355) ~[na:na]
at java.base/java.util.TimSort.sort(TimSort.java:220) ~[na:na]
at java.base/java.util.Arrays.sort(Arrays.java:1307) ~[na:na]
at java.base/java.util.ArrayList.sort(ArrayList.java:1721) ~[na:na]
at java.base/java.util.stream.SortedOps$RefSortingSink.end(SortedOps.java:392) ~[na:na]
at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258) ~[na:na]
at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258) ~[na:na]
at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258) ~[na:na]
at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:510) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[na:na]
at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:na]
at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682) ~[na:na]
at springfox.documentation.spring.web.plugins.WebMvcRequestHandlerProvider.requestHandlers(WebMvcRequestHandlerProvider.java:81) ~[springfox-spring-webmvc-3.0.0.jar:3.0.0]
at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[na:na]
at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[na:na]
at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:na]
at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682) ~[na:na]
at springfox.documentation.spring.web.plugins.AbstractDocumentationPluginsBootstrapper.withDefaults(AbstractDocumentationPluginsBootstrapper.java:107) ~[springfox-spring-web-3.0.0.jar:3.0.0]
at springfox.documentation.spring.web.plugins.AbstractDocumentationPluginsBootstrapper.buildContext(AbstractDocumentationPluginsBootstrapper.java:91) ~[springfox-spring-web-3.0.0.jar:3.0.0]
at springfox.documentation.spring.web.plugins.AbstractDocumentationPluginsBootstrapper.bootstrapDocumentationPlugins(AbstractDocumentationPluginsBootstrapper.java:82) ~[springfox-spring-web-3.0.0.jar:3.0.0]
at springfox.documentation.spring.web.plugins.DocumentationPluginsBootstrapper.start(DocumentationPluginsBootstrapper.java:100) ~[springfox-spring-web-3.0.0.jar:3.0.0]
at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:178) ~[spring-context-5.3.14.jar:5.3.14]
... 19 common frames omitted
這是檔案的控制器：
package app.ryadhi.v1.API.User;
import app.ryadhi.v1.Domain.File;
import app.ryadhi.v1.Service.FileService;
import app.ryadhi.v1.Utility.Constant.SwaggerConstant;
import app.ryadhi.v1.Utility.Implementations.Service.FileStorageService;
import app.ryadhi.v1.Utility.Payload.Response;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.v3.oas.annotations.responses.ApiResponse;
import io.swagger.v3.oas.annotations.responses.ApiResponses;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.io.Resource;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
@RestController
@RequestMapping(path = "/file")
@Api(tags = {SwaggerConstant.API_TAG6})
@CrossOrigin(origins = "*")
public class FileAPI {
private static final Logger logger = LoggerFactory.getLogger(FileAPI.class);
private FileStorageService fileStorageService;
private FileService fileService;
@Autowired
public FileAPI(FileStorageService fileStorageService, FileService fileService) {
this.fileStorageService = fileStorageService;
this.fileService = fileService;
}
@ApiOperation(value = "Uploading File and save it into the database", notes = "saving file into the system", response = File.class)
@ApiResponses({@ApiResponse(responseCode = "200", description = "The file has successfully saved into the system"),
@ApiResponse(responseCode = "500", description = "Successfully saving file"),
@ApiResponse(responseCode = "400", description = "The request is malformed or invalid"),
@ApiResponse(responseCode = "404", description = "The resource URL was not found on the server"),
@ApiResponse(responseCode = "403", description = "You are not authorized. Please authenticate and try again"),
@ApiResponse(responseCode = "401", description = "You don't have permission to this resource")
})
@PostMapping("/upload")
public Response uploadFile(@RequestParam("file") MultipartFile file) {
String fileName = fileStorageService.storeFile(file);
String fileDownloadUri = ServletUriComponentsBuilder.fromCurrentContextPath()
.path("/downloadFile/")
.path(fileName)
.toUriString();
return new Response(fileName, fileDownloadUri,
file.getContentType(), file.getSize());
}
@ApiOperation(value = "Downloading File from the system", notes = "Downloading file from the system", response = File.class)
@ApiResponses({@ApiResponse(responseCode = "200", description = "The file has successfully saving from the system"),
@ApiResponse(responseCode = "500", description = "Successfully downloading file"),
@ApiResponse(responseCode = "400", description = "The request is malformed or invalid"),
@ApiResponse(responseCode = "404", description = "The resource URL was not found on the server"),
@ApiResponse(responseCode = "403", description = "You are not authorized. Please authenticate and try again"),
@ApiResponse(responseCode = "401", description = "You don't have permission to this resource")
})
@PostMapping("/upload_multi")
public List<Response> uploadMultipleFiles(@RequestParam("files") MultipartFile[] files) {
return Arrays.asList(files)
.stream()
.map(file -> uploadFile(file))
.collect(Collectors.toList());
}
@ApiOperation(value = "Downloading Multiple File from the system", notes = "downloading files from the system", response = File.class)
@ApiResponses({@ApiResponse(responseCode = "200", description = "The files has successfully downloading from the system"),
@ApiResponse(responseCode = "500", description = "Successfully downloading files"),
@ApiResponse(responseCode = "400", description = "The request is malformed or invalid"),
@ApiResponse(responseCode = "404", description = "The resource URL was not found on the server"),
@ApiResponse(responseCode = "403", description = "You are not authorized. Please authenticate and try again"),
@ApiResponse(responseCode = "401", description = "You don't have permission to this resource")
})
@GetMapping("/download/{fileName:. }")
public ResponseEntity<Resource> downloadFile(@PathVariable String fileName, HttpServletRequest request) {
// Load file as Resource
Resource resource = fileStorageService.loadFileAsResource(fileName);
// Try to determine file's content type
String contentType = null;
try {
contentType = request.getServletContext().getMimeType(resource.getFile().getAbsolutePath());
} catch (IOException ex) {
logger.info("Could not determine file type.");
}
// Fallback to the default content type if type could not be determined
if (contentType == null) {
contentType = "application/octet-stream";
}
return ResponseEntity.ok()
.contentType(MediaType.parseMediaType(contentType))
.header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" resource.getFilename() "\"")
.body(resource);
}
@ApiOperation(value = "Adding files to the user", notes = "Files added to the user", response = File.class)
@ApiResponses({@ApiResponse(responseCode = "200", description = "The files has successfully added to the user"),
@ApiResponse(responseCode = "500", description = "Adding file to the user"),
@ApiResponse(responseCode = "400", description = "The request is malformed or invalid"),
@ApiResponse(responseCode = "404", description = "The resource URL was not found on the server"),
@ApiResponse(responseCode = "403", description = "You are not authorized. Please authenticate and try again"),
@ApiResponse(responseCode = "401", description = "You don't have permission to this resource")
})
@PostMapping("/add_user_file/{id}")
File addFileToUser(@RequestBody File file, @PathVariable Long id) {
return fileService.addFileToUser(file, id);
}
}
這是招搖的配置：
package app.ryadhi.v1.Utility.Config;
import static app.ryadhi.v1.Utility.Constant.SwaggerConstant.*;
import static java.util.Collections.singletonList;
import static org.springframework.http.HttpHeaders.AUTHORIZATION;
import static springfox.documentation.spi.DocumentationType.SWAGGER_2;
import java.util.Collections;
import java.util.List;
import io.swagger.v3.oas.models.security.SecurityScheme;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.bind.annotation.RestController;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.*;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger.web.*;
@Configuration
public class SwaggerConfig {
@Bean
public Docket apiDocket() {
return new Docket(SWAGGER_2).apiInfo(apiInfo())
.forCodeGeneration(true)
.securityContexts(singletonList(securityContext()))
.securitySchemes(singletonList(apiKey()))
.select().apis(RequestHandlerSelectors.withClassAnnotation(RestController.class))
.paths(PathSelectors.regex(SECURE_PATH))
.build()
.tags(new Tag(API_TAG, "All APIs relating to Gym Application"));
}
private ApiInfo apiInfo() {
return new ApiInfo(API_TITLE, API_DESCRIPTION, API_VERSION, TERM_OF_SERVICE, contact(),
LICENSE, LICENSE_URL, Collections.emptyList());
}
private Contact contact() {
return new Contact(CONTACT_NAME, CONTACT_URL, CONTACT_EMAIL);
}
private ApiKey apiKey() {
return new ApiKey(SECURITY_REFERENCE, AUTHORIZATION, SecurityScheme.In.HEADER.name());
}
private SecurityContext securityContext() {
return SecurityContext.builder().securityReferences(securityReference()).build();
}
private List<SecurityReference> securityReference() {
AuthorizationScope[] authorizationScope = { new AuthorizationScope(AUTHORIZATION_SCOPE, AUTHORIZATION_DESCRIPTION) };
return singletonList(new SecurityReference(SECURITY_REFERENCE, authorizationScope));
}
@Bean
SecurityConfiguration security() {
return SecurityConfigurationBuilder.builder()
.clientId("test-app-client-id")
.clientSecret("test-app-client-secret")
.realm("test-app-realm")
.appName("test-app")
.scopeSeparator(",")
.additionalQueryStringParams(null)
.useBasicAuthenticationWithAccessCodeGrant(true)
.enableCsrfSupport(false)
.build();
}
@Bean
UiConfiguration uiConfig() {
return UiConfigurationBuilder.builder()
.deepLinking(true)
.displayOperationId(false)
.defaultModelsExpandDepth(1)
.defaultModelRendering(ModelRendering.MODEL)
.displayRequestDuration(true)
.docExpansion(DocExpansion.LIST)
.filter(false)
.maxDisplayedTags(null)
.operationsSorter(OperationsSorter.ALPHA)
.showExtensions(false)
.showCommonExtensions(false)
.tagsSorter(TagsSorter.ALPHA)
.supportedSubmitMethods(UiConfiguration.Constants.DEFAULT_SUBMIT_METHODS)
.validatorUrl(null)
.build();
}
}
即使我嘗試重新運行它也無法正常作業嘗試查看主應用程式有什么問題但它沒有任何問題
uj5u.com熱心網友回復：
我發現 Springfox 依賴的問題是什么，所有 Spring 開發人員在 Spring 2.6.X 之后都面臨同樣的問題
所以他們都給出了遷移到springdoc的建議。你可以在這里找到一切：
https://springdoc.org/#migrating-from-springfox
uj5u.com熱心網友回復：
從 Spring 2.6.x 開始，Sprngfox 遷移到 SpringDoc。請對屬性使用以下依賴項。它將使大搖大擺。
<dependency>
<groupId>org.springdoc</groupId>
<artifactId>springdoc-openapi-ui</artifactId>
<version>1.6.3</version>
</dependency>
//Properties
springdoc.swagger-ui.enabled=true
參考：https ://springdoc.org/#migrating-from-springfox
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