Hi, Sheng,


I run a app with agent on my pc and got a ClassNotFoundException while using 
the 'apm-toolkit-trace(7.0.0)' library. This is a spriing boot project based on 
jdk 8, the version of skywalking is 7, please see my code snippet below.


@RequestMapping(value = "/testHeartBeat", method = RequestMethod.GET)
public RestHandlingResult testHeartBeat() {
    String traceId = TraceContext.traceId();
    HeartBeat heartBeat = new HeartBeat(800);
return RestHandlingResult.success(heartBeat);
}
the exception is shown below:


Caused by: java.lang.ClassNotFoundException: 
org.apache.skywalking.apm.toolkit.trace.TraceContext
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[?:1.8.0_51]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_51]
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) 
~[?:1.8.0_51]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51]
    at 
org.springframework.boot.devtools.restart.classloader.RestartClassLoader.loadClass(RestartClassLoader.java:144)
 ~[spring-boot-devtools-2.1.9.RELEASE.jar:2.1.9.RELEASE]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51]
    ... 83 more




--

谢谢,
孙连山

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