java 程序准备
首先准备一个简单的 java web 程序。
打包
mvn clean package
然后把对应的 jar springboot-hello-word-1.0-SNAPSHOT.jar 上传到 linux 服务器。
启动
java -jar springboot-hello-word-1.0-SNAPSHOT.jar
启动报错
No main manifest attribute, in XXX.jar
解决办法
修正一下 xml，添加一下 maven 编译插件
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>2.6.13</version>
<configuration>
<mainClass>com.github.houbb.SampleController</mainClass>
<!-- <skip>true</skip>-->
</configuration>
<executions>
<execution>
<id>repackage</id>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
重新打包+上传+启动
正常启动
$ java -jar springboot-hello-word-1.0-SNAPSHOT.jar
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v1.5.9.RELEASE)
2025-04-03 13:21:16.582 INFO 14402 --- [ main] com.github.houbb.SampleController : Starting SampleController v1.0-SNAPSHOT on PC-20230404XHIO with PID 14402 (/mnt/wsl/springboot-hello-word-1.0-SNAPSHOT.jar started by houbinbin in /mnt/wsl)
2025-04-03 13:21:16.588 INFO 14402 --- [ main] com.github.houbb.SampleController : No active profile set, falling back to default profiles: default
2025-04-03 13:21:16.637 INFO 14402 --- [ main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@156643d4: startup date [Thu Apr 03 13:21:16 CST 2025]; root of context hierarchy
2025-04-03 13:21:17.967 INFO 14402 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 8080 (http)
2025-04-03 13:21:17.981 INFO 14402 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2025-04-03 13:21:17.982 INFO 14402 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/8.5.23
2025-04-03 13:21:18.078 INFO 14402 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2025-04-03 13:21:18.078 INFO 14402 --- [ost-startStop-1] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 1447 ms
2025-04-03 13:21:18.213 INFO 14402 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean : Mapping servlet: 'dispatcherServlet' to [/]
2025-04-03 13:21:18.216 INFO 14402 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]
2025-04-03 13:21:18.217 INFO 14402 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2025-04-03 13:21:18.217 INFO 14402 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2025-04-03 13:21:18.217 INFO 14402 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]
2025-04-03 13:21:18.491 INFO 14402 --- [ main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@156643d4: startup date [Thu Apr 03 13:21:16 CST 2025]; root of context hierarchy
2025-04-03 13:21:18.569 INFO 14402 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/]}" onto java.lang.String com.github.houbb.SampleController.home()
2025-04-03 13:21:18.573 INFO 14402 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2025-04-03 13:21:18.574 INFO 14402 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2025-04-03 13:21:18.603 INFO 14402 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2025-04-03 13:21:18.603 INFO 14402 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2025-04-03 13:21:18.640 INFO 14402 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2025-04-03 13:21:18.796 INFO 14402 --- [ main] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup
2025-04-03 13:21:18.871 INFO 14402 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8080 (http)
2025-04-03 13:21:18.876 INFO 14402 --- [ main] com.github.houbb.SampleController : Started SampleController in 2.719 seconds (JVM running for 3.609)
查看 pid
对应的 pid 为 14402
$ ps -ef | grep java
houbinb+ 14402 11131 52 13:21 pts/2 00:00:22 java -jar springboot-hello-word-1.0-SNAPSHOT.jar
实战
下载 bin
# 下载最新版本的JVM-SANDBOX
wget https://github.com/alibaba/jvm-sandbox/wiki/upload/sandbox-stable-bin.zip
# 解压
unzip sandbox-stable-bin.zip
解压后如下：
bin/ cfg/ example/ install-local.sh* lib/ module/ provider/ sandbox-module/
挂载目标JVM
# 进入沙箱执行脚本
cd sandbox/bin
# 目标JVM进程 14402
./sandbox.sh -p 14402
提示
$ ./sandbox.sh -p 14402
cat: /home/houbinbin/.sandbox.token: No such file or directory
NAMESPACE : default
VERSION : 1.4.0
MODE : ATTACH
SERVER_ADDR : 0.0.0.0
SERVER_PORT : 38365
SERVER_CHARSET : UTF-8
UNSAFE_SUPPORT : ENABLE
NATIVE_SUPPORT : ENABLE
SANDBOX_HOME : /mnt/wsl/sandbox/bin/..
SYSTEM_MODULE_LIB : /mnt/wsl/sandbox/bin/../module
USER_MODULE_LIB : /mnt/wsl/sandbox/sandbox-module;/home/houbinbin/.sandbox-module
SYSTEM_PROVIDER_LIB : /mnt/wsl/sandbox/bin/../provider
查看挂载模块
$ ./sandbox.sh -p 14402 -l
sandbox-info ACTIVE LOADED 0 0 0.0.4 luanjia@taobao.com
sandbox-module-mgr ACTIVE LOADED 0 0 0.0.2 luanjia@taobao.com
sandbox-control ACTIVE LOADED 0 0 0.0.3 luanjia@taobao.com
total=3
沙箱日志：~/logs/sandbox/sandbox.log
cat ~/logs/sandbox/sandbox.log
如下：
$ cat ~/logs/sandbox/sandbox.log
2025-04-03 13:24:34 default INFO
___ ____ __ ____ _ _ _ ____ ____ _____ __
| \ \ / / \/ | / ___| / \ | \ | | _ \| __ ) / _ \ \/ /
_ | |\ \ / /| |\/| |____\___ \ / _ \ | \| | | | | _ \| | | \ /
| |_| | \ V / | | | |_____|__) / ___ \| |\ | |_| | |_) | |_| / \
\___/ \_/ |_| |_| |____/_/ \_\_| \_|____/|____/ \___/_/\_\
2025-04-03 13:24:34 default INFO initializing logback success. file=/mnt/wsl/sandbox/bin/../cfg/sandbox-logback.xml;
2025-04-03 13:24:34 default INFO initializing server. cfg=;mode=attach;sandbox_home=/mnt/wsl/sandbox/bin/..;user_module=/mnt/wsl/sandbox/sandbox-module\;~/.sandbox-module\;;cfg=/mnt/wsl/sandbox/bin/../cfg;provider=/mnt/wsl/sandbox/bin/../provider;namespace=default;server.ip=0.0.0.0;server.port=0;system_module=/mnt/wsl/sandbox/bin/../module;unsafe.enable=true;server.charset=UTF-8;
2025-04-03 13:24:34 default INFO loading provider[com.alibaba.jvm.sandbox.provider.api.ModuleJarLoadingChain] was success from provider-jar[/mnt/wsl/sandbox/bin/../provider/sandbox-mgr-provider.jar], impl=com.alibaba.jvm.sandbox.provider.mgr.EmptyModuleJarLoadingChain
...
卸载沙箱
$ ./sandbox.sh -p 14402 -S
jvm-sandbox[default] shutdown finished.
个人收获
看完了入门，感觉好像没介绍功能。
觉得不知道如何使用。
参考资料
https://github.com/alibaba/jvm-sandbox/wiki/USER-QUICK-START
https://blog.csdn.net/m0_73381672/article/details/135891163
