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RSS订阅原创 cannot deserialize from Object value (no delegate- or property-based Creato
feign.codec.DecodeException: Error while extracting response for type [<java.lang.Integer>] and content type [application/json]; nested exception is org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Cannot construc
2021-04-06 10:26:08
183
原创 idea external libraries 没有依赖的jar
idea external libraries 没有依赖的jar1.pom.xml 有错误未处理 处理后 Reimpot2.代码中错误未处理 处理后 Reimpot3.Reimport 1和2 都没有 直接 34.File invalidate Caches/Restart… 上面步骤都不可以 使用 45.mvn clean install 是否存在错误 处理后 重新 Reimpot...
2020-06-12 22:21:13
851
原创 Could not transfer artifact org.springframework.boot:spring-boot-starter-parent
IDEA导入spring官网 springboot demoCould not transfer artifact org.springframework.boot:spring-boot-starter-parent:pom:2.3.1.RELEASE from/to central (https://repo.maven.apache.org/maven2): sun.security.validator.ValidatorException: PKIX path building failed:.
2020-06-12 22:10:52
850
原创 spring-boot-starter-jetty
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.2019-12-27 11:01:33| ERROR|restartedMain| org.springframework.boot.SpringApplication| ...
2019-12-27 11:22:55
2530
原创 java泛型继承知识点
java泛型 类型限制public static <K extends Comparable<? super K>, V> Comparator<Map.Entry<K,V>> comparingByKey() {return (Comparator<Map.Entry<K, V>> & Serializable)...
2019-12-26 11:00:17
324
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