src/org/redkale/boot/ClassFilter.java

@@ -445,7 +445,7 @@ public final class ClassFilter<T> {
          * @throws IOException 异常
          */
         public static void load(final File excludeFile, final String[] excludeRegs, final ClassFilter... filters) throws IOException {
-            URLClassLoader loader = (URLClassLoader) Thread.currentThread().getContextClassLoader();
+            RedkaleClassLoader loader = (RedkaleClassLoader) Thread.currentThread().getContextClassLoader();
             List<URL> urlfiles = new ArrayList<>(2);
             List<URL> urljares = new ArrayList<>(2);
             final URL exurl = excludeFile != null ? excludeFile.toURI().toURL() : null;
@@ -482,6 +482,12 @@ public final class ClassFilter<T> {
                             if (entryname.endsWith(".class") && entryname.indexOf('$') < 0) {
                                 String classname = entryname.substring(0, entryname.length() - 6);
                                 if (classname.startsWith("javax.") || classname.startsWith("com.sun.")) continue;
+                                //常见的jar跳过
+                                if (classname.startsWith("com.mysql.")) break;
+                                if (classname.startsWith("org.mariadb.")) break;
+                                if (classname.startsWith("oracle.jdbc.")) break;
+                                if (classname.startsWith("org.postgresql.")) break;
+                                if (classname.startsWith("com.microsoft.sqlserver.")) break;
                                 classes.add(classname);
                                 if (debug) debugstr.append(classname).append("\r\n");
                                 for (final ClassFilter filter : filters) {

src/org/redkale/util/RedkaleClassLoader.java

@@ -6,6 +6,7 @@
 package org.redkale.util;
 
 import java.net.*;
+import java.util.HashSet;
 
 /**
  *
@@ -14,7 +15,22 @@ import java.net.*;
 public class RedkaleClassLoader extends URLClassLoader {
 
     public RedkaleClassLoader(ClassLoader parent) {
-        super(new URL[0], parent);
+        super(parentURL(parent), parent);
+    }
+
+    private static URL[] parentURL(ClassLoader parent) {
+        ClassLoader loader = parent;
+        HashSet<URL> set = new HashSet<>();
+        do {
+            String loaderName = loader.getClass().getName();
+            if (loaderName.startsWith("sun.") && loaderName.contains("ExtClassLoader")) continue;
+            if (loader instanceof URLClassLoader) {
+                for (URL url : ((URLClassLoader) loader).getURLs()) {
+                    set.add(url);
+                }
+            }
+        } while ((loader = loader.getParent()) != null);
+        return set.toArray(new URL[set.size()]);
     }
 
     public Class<?> loadClass(String name, byte[] b) {