chaosblade-help-zh-CN
  • README
  • blade
  • blade create
  • blade create cpu load
  • blade create disk burn
  • blade create disk fill
  • blade create mem load
  • blade create network delay
  • blade create network dns
  • blade create network drop
  • blade create network loss
  • blade create network corrupt
  • blade create network reorder
  • blade create network duplicate
  • blade create network occupy
  • blade create process kill
  • blade create process stop
  • blade create script delay
  • blade create script exit
  • blade create docker
    • blade create docker cpu
    • blade create docker network
    • blade create docker process
    • blade create docker container
  • blade create k8s
    • blade create k8s node-cpu
    • blade create k8s node-network
    • blade create k8s node-process
    • blade create k8s node-disk
    • blade create k8s pod-pod
    • blade create k8s pod-IO
    • blade create k8s pod-network
    • blade create k8s container-cpu
    • blade create k8s container-network
    • blade create k8s container-process
    • blade create k8s container-container
  • blade prepare jvm
  • blade create jvm
    • blade create jvm delay
    • blade create jvm return
    • blade create jvm script
    • blade create jvm cpufullload
    • blade create jvm OutOfMemoryError
    • blade create jvm CodeCacheFilling
    • blade create jvm throwCustomException
  • blade create servlet
    • blade create servlet delay
    • blade create servlet throwCustomException
  • blade server
  • blade status
  • blade version
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On this page
  • 介绍
  • 参数
  • 案例
  • 常见问题

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  1. blade create jvm

blade create jvm throwCustomException

介绍

指定类方法抛自定义异常,命令可以简写为 blade c jvm tce

参数

以下是此场景特有参数,通用参数详见:[blade create jvm](blade create jvm.md)

--effect-count string     影响的请求条数
--effect-percent string   影响的请求百分比
--exception string           异常类,带全包名,必须继承 java.lang.Exception 或 java.lang.Exception 本身
--exception-message string   指定异常类信息,默认值是 chaosblade-mock-exception

案例

类名:com.example.controller.DubboController,业务代码如下:

private String sayHello(String name) throws BeansException {
    demoService = (DemoService)SpringContextUtil.getBean("demoService");
    StringBuilder result = new StringBuilder();
    result.append(demoService.sayHello(name));
    return result.toString();
}

指定以上方法抛出 java.lang.Exception 异常,影响两条请求,命令如下

blade c jvm throwCustomException --exception java.lang.Exception --classname com.example.controller.DubboController --methodname sayHello --process tomcat --effect-count 2

{"code":200,"success":true,"result":"3abbe6fe97d6bc75"}

停止实验:

blade d 3abbe6fe97d6bc75

常见问题

Q: java.lang.Throwable not assign from java.lang.Exception A: 配置 --exception 参数值 java.lang.Throwable,其不是 java.lang.Exception 的子类

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Last updated 3 years ago

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验证结果: 注入前:

注入后:

第三次请求后恢复正常: