客户部署的镜像反馈在容器平台上反复重启，还来不及看日志就开始反复重启了。
- 查看容器事件
发现一些 exit code 1字样，没有发现有效信息，节点资源使用达到92%以上，一度怀疑与资源有关，降低过资源请求，发现仍然不断重启。
- 查看容器日志，仅3行
看到 no main manifest attribute, in ****.jar 字样，
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DEBUG 2020-05-28 13:34:12:395 main AgentPackagePath : The beacon <span class="code-keyword">class </span>location is jar:file:/root/myapp/skywalking-agent/skywalking-agent.jar!/org/apache/skywalking/apm/agent/core/boot/AgentPackagePath.class. INFO 2020-05-28 13:34:12:404 main SnifferConfigInitializer : Config file found in /root/myapp/skywalking-agent/config/agent.config. no main manifest attribute, in pri-****.jar |
于是找到了这篇文档 Can't execute jar- file: “no main manifest attribute” （阅读量高达一百四十万，你没看错）
里面有针对用户环境的多种解决方法。
jar不可执行时，需要增加插件引用
- 用户pom.xml文件增加插件字段
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<span class="pun"><</span><span class="pln">build</span><span class="pun">></span> <span class="pun"><</span><span class="pln">plugins</span><span class="pun">></span> <span class="pun"><</span><span class="pln">plugin</span><span class="pun">></span> <span class="pun"><</span><span class="pln">groupId</span><span class="pun">></span><span class="pln">org</span><span class="pun">.</span><span class="pln">springframework</span><span class="pun">.</span><span class="pln">boot</span><span class="pun"></</span><span class="pln">groupId</span><span class="pun">></span> <span class="pun"><</span><span class="pln">artifactId</span><span class="pun">></span><span class="pln">spring</span><span class="pun">-</span><span class="pln">boot</span><span class="pun">-</span><span class="pln">maven</span><span class="pun">-</span><span class="pln">plugin</span><span class="pun"></</span><span class="pln">artifactId</span><span class="pun">></span> <span class="pun"></</span><span class="pln">plugin</span><span class="pun">></span> <span class="pun"></</span><span class="pln">plugins</span><span class="pun">></span> <span class="pun"></</span><span class="pln">build</span><span class="pun">></span> |
- 了解maven环境各种引用依赖，而且貌似有版本关联性。
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