Pull request #5229: REPORT-67847【迭代】windows环境，没有attach，放了tools的情况工程启动失败进入部署向导

Merge in CORE/base-third from ~ZHOUPING/base-third:feature/x to feature/x

* commit '42163ab043c0b18158cb541fc747d597920eb15a':
  REPORT-67847【迭代】windows环境，没有attach，放了tools的情况工程启动失败进入部署向导 【问题原因】放了tools.jar但没有attach.dll的时候虽然使用自定义类加载器，但是因为双亲委派的缘故，加载到了tools.jar中的virtualmachine 【改动思路】使用自定义的类加载器，并且打破双亲委派机制，判断为sun.tools.attach开头的包，都直接加载，不找父亲了

fine-third-jdk8/fine-mini-tools/tools-common/src/main/java/com/fr/third/utils/load/LibraryLoadProviderManager.java

@@ -26,6 +26,7 @@ public class LibraryLoadProviderManager {
 
     private static final String SRC_PATH_PREFIX = "";
     private static final String DES_CLASS_PREFIX = "/sun/tools/attach";
+    private static final String CLASS_PACKAGE_NAME = "sun.tools.attach";
     private static final String DES_LIBRARY_PREFIX = "/library";
     private static final String FANRUAN_VM_TMPDIR_PROP = "fanruan.vm.tmpdir";
 
@@ -62,7 +63,7 @@ public class LibraryLoadProviderManager {
             if (classLoader == null) {
                 String classpath = getTempToolsDirPath();
                 File file = new File(classpath);
-                classLoader = new URLClassLoader(new URL[]{file.toURI().toURL()}, this.getClass().getClassLoader());
+                classLoader = new CustomURLClassLoader(new URL[]{file.toURI().toURL()}, this.getClass().getClassLoader());
             }
         }
         return classLoader;
@@ -77,7 +78,7 @@ public class LibraryLoadProviderManager {
             FineLoggerFactory.getLogger().info("[CustomVM] get loading library path...");
             String libName = libraryLoadProvider.libraryResource();
             String normalizePath = FilenameUtils.normalize(String.join("/", getTempToolsDirPath(), DES_LIBRARY_PREFIX, libName));
-            FineLoggerFactory.getLogger().info("[CustomVM] loading library path:{}" + normalizePath);
+            FineLoggerFactory.getLogger().info("[CustomVM] loading library path:{}", normalizePath);
             return normalizePath;
         } catch (IOException e) {
             FineLoggerFactory.getLogger().error(e, e.getMessage());
@@ -226,4 +227,24 @@ public class LibraryLoadProviderManager {
             FineLoggerFactory.getLogger().error(e.getMessage());
         }
     }
+
+    private class CustomURLClassLoader extends URLClassLoader {
+
+        CustomURLClassLoader(URL[] urls, ClassLoader parent) {
+            super(urls, parent);
+        }
+
+        @Override
+        public Class<?> loadClass(String className) throws ClassNotFoundException {
+            if (className.startsWith(CLASS_PACKAGE_NAME)) {
+                //有tools.jar但是不存在attach的情况下，sun.tools.attach.* 这些类要打破双亲委派机制直接加载自定义的
+                Class<?> loadedClass = findLoadedClass(className);
+                if (loadedClass == null) {
+                    FineLoggerFactory.getLogger().info("{} load from custom urls directly", className);
+                    return findClass(className);
+                }
+            }
+            return super.loadClass(className);
+        }
+    }
 }