fix: 修复使用端点重启系统时出现 java.lang.LinkageError: loader 'app' attempted dup…

…licate class definition for 问题
houkunlin-starter · Aug 3, 2024 · d151187 · d151187
1 parent 09d8087
commit d151187
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Showing 3 changed files with 16 additions and 3 deletions.
diff --git a/src/main/java/com/houkunlin/system/dict/starter/bytecode/IDictConverterGenerate.java b/src/main/java/com/houkunlin/system/dict/starter/bytecode/IDictConverterGenerate.java
@@ -39,8 +39,8 @@ default void registerBean(final DefaultListableBeanFactory factory, final Class<
                 final Constructor<?>[] constructors = converterClass.getConstructors();
                 factory.registerSingleton(beanName, constructors[0].newInstance());
             }
-        } catch (Exception e) {
-            logger.error("自动创建系统字典枚举 " + dictEnumClass.getName() + " 的 Converter 转换器失败，不影响系统启动，但是会影响此枚举转换器功能", e);
+        } catch (Throwable e) {
+            logger.error("自动创建系统字典枚举 {} 的 Converter 转换器失败，不影响系统启动，但是会影响此枚举转换器功能", dictEnumClass.getName(), e);
         }
     }
 

diff --git a/src/main/java/com/houkunlin/system/dict/starter/bytecode/IDictConverterGenerateAsmImpl.java b/src/main/java/com/houkunlin/system/dict/starter/bytecode/IDictConverterGenerateAsmImpl.java
@@ -57,6 +57,13 @@ public Class<?> getConverterClass(final Class<?> dictEnumClass, final DictConver
         // 系统字典枚举类完全限定名
         final String dictEnumClassName = dictEnumClass.getName().replace(".", "/");
         final String converterClassName = dictEnumClassName + "SystemDictSpringConverter";
+
+        try {
+            // 尝试直接从已有的数据中加载
+            return Class.forName(converterClassName);
+        } catch (Throwable ignore) {
+        }
+
         final byte[] bytecode;
         if (dictConverter.onlyDictValue()) {
             // 只使用字典值转换

diff --git a/.../java/com/houkunlin/system/dict/starter/bytecode/IDictConverterGenerateJavassistImpl.java b/.../java/com/houkunlin/system/dict/starter/bytecode/IDictConverterGenerateJavassistImpl.java
@@ -58,6 +58,12 @@ public Class<?> getConverterClass(final Class<?> dictEnumClass, final DictConver
         final String converterClassName = dictEnumClassName + "SystemDictSpringConverter";
         final String dictEnumClassNameDescriptor = "L" + dictEnumClassName.replace(".", "/") + ";";
 
+        try {
+            // 尝试直接从已有的数据中加载
+            return Class.forName(converterClassName);
+        } catch (Throwable ignore) {
+        }
+
         // 创建一个基础的对象信息
         try {
             final CtClass ctClass = pool.getCtClass(converterClassName);
@@ -71,7 +77,7 @@ public Class<?> getConverterClass(final Class<?> dictEnumClass, final DictConver
             return toClass(ctClass, dictEnumClass);
         } catch (NotFoundException e) {
             if (log.isDebugEnabled()) {
-                log.debug("首次创建 {} 转换器对象", converterClassName);
+                log.debug("首次创建 {} 转换器对象", converterClassName, e);
             }
         }
         final CtClass makeClass = pool.makeClass(converterClassName);