wu-sheng commented on a change in pull request #3176: Remove javassist from
agent dependency
URL: https://github.com/apache/skywalking/pull/3176#discussion_r308005105
##########
File path:
apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/plugin/bootstrap/BootstrapInstrumentBoost.java
##########
@@ -160,29 +173,49 @@ private static boolean
prepareJREInstrumentation(PluginFinder pluginFinder,
* One key step to avoid class confliction between AppClassLoader and
BootstrapClassLoader
*
* @param classesTypeMap hosts injected binary of generated class
- * @param classPool to generate new class
+ * @param typePool to generate new class
* @param templateClassName represents the class as template in this
generation process. The templates are
* pre-defined in SkyWalking agent core.
* @param methodsInterceptor
*/
- private static void generateDelegator(Map<String, byte[]> classesTypeMap,
ClassPool classPool,
+ private static void generateDelegator(Map<String, byte[]> classesTypeMap,
TypePool typePool,
String templateClassName, String methodsInterceptor) {
String internalInterceptorName = internalDelegate(methodsInterceptor);
try {
- CtClass interClass = classPool.get(templateClassName);
- interClass.setName(internalInterceptorName);
-
- CtField interceptorDefine =
interClass.getField("TARGET_INTERCEPTOR");
- interClass.removeField(interceptorDefine);
-
- interceptorDefine = CtField.make("private static String
TARGET_INTERCEPTOR = \"" + methodsInterceptor + "\";", interClass);
- interClass.addField(interceptorDefine);
+ TypeDescription templateTypeDescription =
typePool.describe(templateClassName)
+ .resolve();
+
+ DynamicType.Unloaded interceptorType = new ByteBuddy()
+ .redefine(templateTypeDescription,
ClassFileLocator.ForClassLoader.of(BootstrapInstrumentBoost.class.getClassLoader()))
+ .name(internalInterceptorName)
+ .field(named("TARGET_INTERCEPTOR")).value(methodsInterceptor)
+ .make();
+
+ classesTypeMap.put(internalInterceptorName,
interceptorType.getBytes());
+
+ try {
+ File debuggingClassesRootPath = null;
Review comment:
Yes. It exists before, I just move it to support this new part.
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