使用Knife4j后，程序启动一段时间提示内存溢出

Question

如题，报错如下：

2021-06-15 20:33:29.851 ERROR [main] 6381 - o.s.boot.SpringApplication               - Application run failed
org.springframework.context.ApplicationContextException: Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.OutOfMemoryError: Java heap space
        at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:185)
        at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:53)
        at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:360)
        at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:158)
        at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:122)
        at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:895)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:554)
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:143)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:758)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:750)
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:405)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1237)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226)
        at com.rkxch.cb.ShopApplication.main(ShopApplication.java:35)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:107)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:58)
        at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:88)
Caused by: java.lang.OutOfMemoryError: Java heap space
        at java.util.Arrays.copyOf(Arrays.java:3181)
        at java.util.ArrayList.grow(ArrayList.java:267)
        at java.util.ArrayList.ensureExplicitCapacity(ArrayList.java:241)
        at java.util.ArrayList.ensureCapacityInternal(ArrayList.java:233)
        at java.util.ArrayList.add(ArrayList.java:464)
        at springfox.documentation.schema.DefaultModelDependencyProvider.resolvedPropertiesAndFields(DefaultModelDependencyProvider.java:169)
        at springfox.documentation.schema.DefaultModelDependencyProvider.resolvedDependencies(DefaultModelDependencyProvider.java:109)
        at springfox.documentation.schema.DefaultModelDependencyProvider.resolvedTypeParameters(DefaultModelDependencyProvider.java:155)
        at springfox.documentation.schema.DefaultModelDependencyProvider.resolvedDependencies(DefaultModelDependencyProvider.java:105)
        at springfox.documentation.schema.DefaultModelDependencyProvider.dependentModels(DefaultModelDependencyProvider.java:77)
        at springfox.documentation.schema.CachingModelDependencyProvider.lambda$new$0(CachingModelDependencyProvider.java:45)
        at springfox.documentation.schema.CachingModelDependencyProvider$$Lambda$879/1023423954.apply(Unknown Source)
        at java.util.HashMap.computeIfAbsent(HashMap.java:1127)
        at springfox.documentation.schema.CachingModelDependencyProvider.dependentModels(CachingModelDependencyProvider.java:51)
        at springfox.documentation.schema.DefaultModelProvider.dependencies(DefaultModelProvider.java:143)
        at springfox.documentation.schema.CachingModelProvider.dependencies(CachingModelProvider.java:68)
        at springfox.documentation.spring.web.scanners.ApiModelReader.read(ApiModelReader.java:126)
        at springfox.documentation.spring.web.scanners.ApiListingScanner.scan(ApiListingScanner.java:143)
        at springfox.documentation.spring.web.scanners.ApiDocumentationScanner.scan(ApiDocumentationScanner.java:69)
        at springfox.documentation.spring.web.plugins.AbstractDocumentationPluginsBootstrapper.scanDocumentation(AbstractDocumentationPluginsBootstrapper.java:97)
        at springfox.documentation.spring.web.plugins.AbstractDocumentationPluginsBootstrapper.bootstrapDocumentationPlugins(AbstractDocumentationPluginsBootstrapper.java:83)
        at springfox.documentation.spring.web.plugins.DocumentationPluginsBootstrapper.start(DocumentationPluginsBootstrapper.java:94)
        at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:182)
        at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:53)
        at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:360)
        at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:158)
        at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:122)
        at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:895)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:554)
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:143)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:758)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:750)

Answer 1

java报错，没看出来一行代码和knife4j有关的package啊，看错误都是springfox爆出来的，这个需要去定位一下springfox的代码