翻车!Spring Boot 2.2.3 不兼容 Spring Cloud Hoxton.SR1
问题说明Spring Boot 2.2.3 修复了 Spring Boot 2.2的大量问题,当升级至 2.2.3 以后,直接翻车 pigx-gateway 网关应用直接启动不起来。翻车日志***************************APPLICATION FAILED TO START***************************Description:A...
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问题说明
Spring Boot 2.2.3
修复了 Spring Boot 2.2
的大量问题,当升级至 2.2.3
以后,直接翻车 pigx-gateway
网关应用直接启动不起来。
翻车日志
***************************
APPLICATION FAILED TO START
***************************
Description:
An attempt was made to call a method that does not exist. The attempt was made from the following location:
org.springframework.cloud.gateway.config.GatewayAutoConfiguration$NettyConfiguration.gatewayHttpClient(GatewayAutoConfiguration.java:597)
The following method did not exist:
reactor.netty.resources.ConnectionProvider.elastic(Ljava/lang/String;Ljava/time/Duration;)Lreactor/netty/resources/ConnectionProvider;
The method's class, reactor.netty.resources.ConnectionProvider, is available from the following locations:
jar:file:/Users/lengleng/env/repository/io/projectreactor/netty/reactor-netty/0.9.3.RELEASE/reactor-netty-0.9.3.RELEASE.jar!/reactor/netty/resources/ConnectionProvider.class
It was loaded from the following location:
file:/Users/lengleng/env/repository/io/projectreactor/netty/reactor-netty/0.9.3.RELEASE/reactor-netty-0.9.3.RELEASE.jar
Action:
Correct the classpath of your application so that it contains a single, compatible version of reactor.netty.resources.ConnectionProvider
问题排查
如上日志涉及到 reactor-netty
依赖版本的问题
--------------------------- ---------------------------
| Spring Boot 2.2.3.RELEASE | | Spring Boot 2.2.2.RELEASE |
------------- ------------- ------------- -------------
| |
-----------------v---------------- -----------------v----------------
|spring-boot-starter-reactor-netty | |spring-boot-starter-reactor-netty |
| 2.2.3.RELEASE | | 2.2.2.RELEASE |
----------------- ---------------- ----------------- ----------------
| |
------- -------- ------- --------
| reactor-netty | | reactor-netty |
| 0.9.3.RELEASE | | 0.9.2.RELEASE |
---------------- ----------------
ConnectionProvider
0.9.3 未对以下版本兼容,去掉ConnectionProvider.elastic(Ljava/lang/String;Ljava/time/Duration;)
,多态出来 一个 maxLifeTime
的参数, 具体参考
reactor/reactor-netty#922
reactor/reactor-netty#924
/**
* Create a {@link ConnectionProvider} to cache and grow on demand {@link Connection}.
* <p>An elastic {@link ConnectionProvider} will never wait before opening a new
* connection. The reuse window is limited but it cannot starve an undetermined volume
* of clients using it.
*
* @param name the channel pool map name
* @param maxIdleTime the {@link Duration} after which the channel will be closed when idle (resolution: ms),
* if {@code NULL} there is no max idle time
* @param maxLifeTime the {@link Duration} after which the channel will be closed (resolution: ms),
* if {@code NULL} there is no max life time
*
* @return a new {@link ConnectionProvider} to cache and grow on demand
* {@link Connection}
*/
static ConnectionProvider elastic(String name, @Nullable Duration maxIdleTime, @Nullable Duration maxLifeTime) {
...
}
解决方法
- 全局使用
0.9.4
暂时是 快照版本,或者降级到0.9.2
,Spring Boot 2.2.3 未修改reactor
问题,降级是目前最好的选择。
<dependencyManagement>
<dependencies>
<dependency>
<groupId>io.projectreactor.netty</groupId>
<artifactId>reactor-netty</artifactId>
<version>0.9.2.RELEASE</version>
</dependency>
</dependencies>
</dependencyManagement>
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