agent causes failure of Spring application

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难度
4/5
预计耗时
3-5 天
新手友好度
35/100
Issue 类型
缺陷
描述清晰度
需要澄清
活跃度
停滞
技术栈
java, spring
领域
backend

调研方向

从 HttpTraceDisabler.java 开始,重点查看 findServletContextHandler、disableTrace 和 customize,然后结合启动堆栈跟踪检查 cmd.txt 和 appmap.log。重现 AqueductService 的启动失败,并确定是什么使 Spring 应用程序能够在不出现 ServletContextHandler 异常的情况下启动。

由索引模型根据 Issue 内容生成。

描述

bug

Exception on startup:

org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is java.lang.IllegalStateException: Cannot find instance of ServletContextHandler
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:165)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:577)
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:147)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:732)
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:409)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:308)
        at com.salesforce.sconems.abstractions.SconeApp.run(SconeApp.java:122)
        at com.salesforce.sconems.abstractions.SconeApp.run(SconeApp.java:167)
        at com.salesforce.aqueduct.AqueductService.main(AqueductService.java:19)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:108)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:58)
        at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:65)
java.lang.IllegalStateException: Cannot find instance of ServletContextHandler
        at com.salesforce.sconems.jetty.HttpTraceDisabler.findServletContextHandler(HttpTraceDisabler.java:61)
        at com.salesforce.sconems.jetty.HttpTraceDisabler.disableTrace(HttpTraceDisabler.java:46)
        at com.salesforce.sconems.jetty.HttpTraceDisabler.customize(HttpTraceDisabler.java:41)
        at org.springframework.boot.web.embedded.jetty.JettyServletWebServerFactory.getWebServer(JettyServletWebServerFactory.java:171)
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:184)
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:162)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:577)
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:147)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:732)
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:409)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:308)
        at com.salesforce.sconems.abstractions.SconeApp.run(SconeApp.java:122)
        at com.salesforce.sconems.abstractions.SconeApp.run(SconeApp.java:167)
        at com.salesforce.aqueduct.AqueductService.main(AqueductService.java:19)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:108)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:58)
        at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:65)

java command line: cmd.txt
agent log: appmap.log
Disabling remote recording and request recording didn't alter startup behavior.

主要语言
Java
星标
88
派生
17
平均合并
2 天 2 小时
30 天内合并 PR
1

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