分析 Java class 字节码版本

xuxiaowei · 2026 年6 月 28 日 04:12

curl -LO https://repo1.maven.org/maven2/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-config/2025.1.0.0/spring-cloud-starter-alibaba-nacos-config-2025.1.0.0.jar
jar -xf spring-cloud-starter-alibaba-nacos-config-2025.1.0.0.jar
find . -name NacosConfigDataMissingEnvironmentPostProcessor.class
file ./com/alibaba/cloud/nacos/configdata/NacosConfigDataMissingEnvironmentPostProcessor.class
javap -verbose ./com/alibaba/cloud/nacos/configdata/NacosConfigDataMissingEnvironmentPostProcessor.class