com.google.common.collect.FluentIterable.concat

特此记录一下，此时此刻非常开心，困扰很久的问题终于解决了。

全部报错如下：

Caused by: com.google.common.util.concurrent.ExecutionError: java.lang.NoSuchMethodError: com.google.common.collect.FluentIterable.concat(Ljava/lang/Iterable;Ljava/lang/Iterable;)Lcom/google/common/collect/FluentIterable; at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2201) at com.google.common.cache.LocalCache.get(LocalCache.java:3937) at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3941) at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4824) at springfox.documentation.schema.CachingModelDependencyProvider.dependentModels(CachingModelDependencyProvider.java:58) at springfox.documentation.schema.DefaultModelProvider.dependencies(DefaultModelProvider.java:128) at springfox.documentation.schema.CachingModelProvider.dependencies(CachingModelProvider.java:68) at springfox.documentation.spring.web.scanners.ApiModelReader.populateDependencies(ApiModelReader.java:136) at springfox.documentation.spring.web.scanners.ApiModelReader.read(ApiModelReader.java:78) at springfox.documentation.spring.web.scanners.ApiListingScanner.scan(ApiListingScanner.java:133) at springfox.documentation.spring.web.scanners.ApiDocumentationScanner.scan(ApiDocumentationScanner.java:71) at springfox.documentation.spring.web.plugins.DocumentationPluginsBootstrapper.scanDocumentation(DocumentationPluginsBootstrapper.java:101) at springfox.documentation.spring.web.plugins.DocumentationPluginsBootstrapper.start(DocumentationPluginsBootstrapper.java:167) at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:181) ... 14 common frames omitted

查了很多帖子。都在说是因为引用的guava 版本过低造成的，低版本中此方法不存在。然后我pom中并没有依赖guava，于是就在找是不是哪个jar依赖了他。经过一段时间的寻觅，终于让我发现了：

然后解决