feat: support H2 packer

vul/vul-springboot3/src/main/java/com/reajason/javaweb/vul/springboot3/controller/JDBCController.java

@@ -0,0 +1,31 @@
+package com.reajason.javaweb.vul.springboot3.controller;
+
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+
+/**
+ * @author ReaJason
+ * @since 2025/6/27
+ */
+@RestController
+public class JDBCController {
+
+    @PostMapping("/jdbc")
+    public void JDBC(String data) throws Exception {
+        try {
+            Connection connection = DriverManager.getConnection(data);
+            connection.close();
+        } catch (Throwable e) {
+            Throwable ex = e.getCause();
+            while (ex.getCause() != null) {
+                ex = ex.getCause();
+            }
+            if (!(ex instanceof ClassCastException)) {
+                throw e;
+            }
+        }
+    }
+}