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SpringBoot 1.5.xx 升级至 2.xx

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升级依赖调整记录

一. Maven 调整

redis:

升级前:

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<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-redis</artifactId>
</dependency>

升级后:

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<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>

thymeleaf-extras-springsecurity:

升级前:

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<dependency>
    <groupId>org.thymeleaf.extras</groupId>
    <artifactId>thymeleaf-extras-springsecurity4</artifactId>
</dependency>

升级后

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<dependency>
    <groupId>org.thymeleaf.extras</groupId>
    <artifactId>thymeleaf-extras-springsecurity5</artifactId>
</dependency>

Feign Options 找不到构造方法:

Maven 搜索 feign-core 依赖, 升级或排除 netflix.feign 包的模块.

二. yml 配置文件调整

redis:

升级前:

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spring:
    redis:
        host: 192.168.116.190
        password: ischool20
        port: 9779
        pool:
          max-idle: 100
          min-idle: 1
          max-active: 100
          max-wait: -1

升级后:

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spring:
    redis:
        host: 192.168.116.190
        password: ischool20
        port: 9779
        lettuce:
          pool:
            max-idle: 8
            min-idle: 0
            max-active: 8
            max-wait: -1

feign 重复注入

feign升级后默认要求每一个 @FeignClient 都要有单独的实例名称，可添加配置允许覆盖，如下

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spring:  
  main:
     allow-bean-definition-overriding: true

三. 代码变更

SDK 包名修改.

redis:

升级前

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@Bean
public CacheManager cacheManager(RedisTemplate redisTemplate) {
    RedisCacheManager cacheManager= new RedisCacheManager(redisTemplate);
    cacheManager.setDefaultExpiration(30 * 60L);
    cacheManager.setUsePrefix(true);
    return cacheManager;
}

升级后:

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@Bean
public CacheManager cacheManager(RedisConnectionFactory factory) {
	RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig()
			.entryTtl(Duration.ofMillis(30)); // UsePrefix默认为true
    return RedisCacheManager
			.builder(RedisCacheWriter.nonLockingRedisCacheWriter(factory))
			.cacheDefaults(redisCacheConfiguration).build();
}

junit:

org.junit.Assert 包更名为: org.junit.jupiter.api.Assertions, 部分参数需要修改, 变化不大. message 统一调至最后一个参数.

EasyPoi 升/降级 对应变化常量参数:

属性 3.9 版本 3.15 版本
填充模式 CellStyle.SOLID_FOREGROUND FillPatternType.SOLID_FOREGROUND
边框间距 HSSFCellStyle.BORDER_THIN BorderStyle.THIN
居中 XSSFCellStyle.ALIGN_CENTER HorizontalAlignment.CENTER
垂直 XSSFCellStyle.VERTICAL_CENTER VerticalAlignment.CENTER
字体加粗 font.setBoldweight(Font.BOLDWEIGHT_BOLD) font.setBold(true)
字体不加粗 font.setBoldweight(Font.BOLDWEIGHT_NORMAL) font.setBold(false)
是否验证 setNeedVerify setNeedVerfiy

es jest

springBoot 2.3.0版本及以后版本不支持es查询工具jestClient自动注入, 手动注入

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@Repository
public class JestInit {

    @Bean("jestClient")
    public JestClient getJestCline(){
        JestClientFactory factory = new JestClientFactory();
        factory.setHttpClientConfig(new HttpClientConfig
                .Builder("http://localhost:9200")
                .multiThreaded(true)
                .build());
        return  factory.getObject();
    }
}

报错

Caused by: java.lang.NoClassDefFoundError: Could not initialize class org.hibernate.validator.internal.engine.ConfigurationImpl 错误, 这是springboot2.3以上自带的, 手动导入hibernate 依赖:

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<dependency>
    <groupId>org.hibernate.validator</groupId>
    <artifactId>hibernate-validator</artifactId>
    <version>6.1.5.Final</version>
    <scope>compile</scope>
</dependency>

swagger 无接口数据

升级后需要在配置文件中开启swagger, 默认是关闭的.

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application:
  swagger:
    enabled: true