修复 solon AppContext:tryBuildBeanOfClass2 目标组件为接口时出现 getCreator null 异常

Author: noear

UPDATE_LOG.md

@@ -30,7 +30,7 @@
 ### v3.7.1
 
 * 添加 solon Router:add(clz) 方法
-* 修复 solon AppContext:tryBuildBeanOfClass2 出现 getCreator 异常的问题
+* 修复 solon AppContext:tryBuildBeanOfClass2 目标组件为接口时出现 getCreator null 异常
 
 ### 3.7.0
 

solon/src/main/java/org/noear/solon/core/AppContext.java

@@ -1073,20 +1073,23 @@ private int tryBuildBeanOfClass1(Class<?> clz) {
     private void tryBuildBeanOfClass2(Class<?> clz, BeanBuilder builder, Annotation anno) throws Throwable {
         ClassEggg clzEggg = EgggUtil.getClassEggg(clz);
 
-        if (clzEggg.getCreator() == null || clzEggg.getCreator().getParamCount() == 0) {
+        if (clzEggg.getCreator() == null) {
+            //没有（可能是接口）
             tryBuildBeanOfClass3(clz, builder, anno, null, null);
+        } else if (clzEggg.getCreator().getParamCount() == 0) {
+            //默认构造方法
+            tryBuildBeanOfClass3(clz, builder, anno, (Constructor) clzEggg.getCreator().getConstr(), new Object[0]);
         } else {
-            //包装（处理泛型参数）
+            //有参数的构造方法。需处理泛型参数
             tryBuildArgsOfMethod(this, 2, clz, clzEggg.getCreator().getParamEgggAry(), (args2) -> {
-                tryBuildBeanOfClass3(clz, builder, anno, clzEggg.getCreator(), args2);
+                tryBuildBeanOfClass3(clz, builder, anno, (Constructor) clzEggg.getCreator().getConstr(), args2);
             });
         }
     }
 
-
-    private void tryBuildBeanOfClass3(Class<?> clz, BeanBuilder builder, Annotation anno, ConstrEggg rawCon, Object[] rawConArgs) throws Throwable {
+    private void tryBuildBeanOfClass3(Class<?> clz, BeanBuilder builder, Annotation anno, Constructor rawCon, Object[] rawConArgs) throws Throwable {
         //包装
-        BeanWrap bw = new BeanWrap(this, clz, (rawCon == null ? null : (Constructor) rawCon.getConstr()), rawConArgs);
+        BeanWrap bw = new BeanWrap(this, clz, rawCon, rawConArgs);
         //执行构建
         builder.doBuild(clz, bw, anno);
         //尝试入库

solon/src/test/java/features/solon/bean/BeanTest.java

@@ -0,0 +1,36 @@
+package features.solon.bean;
+
+import org.junit.jupiter.api.Test;
+import org.noear.solon.core.AppContext;
+import org.noear.solon.core.BeanWrap;
+
+/**
+ *
+ * @author noear 2025/11/8 created
+ *
+ */
+public class BeanTest {
+    @Test
+    public void case1() {
+        AppContext appContext = new AppContext();
+
+        appContext.beanScan(BeanTest.class);
+        appContext.start();
+
+        BeanWrap bw = appContext.getWrap(InterfaceBean.class);
+
+        assert bw == null;
+    }
+
+    @Test
+    public void case2() {
+        AppContext appContext = new AppContext();
+
+        appContext.beanMake(InterfaceBean.class);
+        appContext.start();
+
+        BeanWrap bw = appContext.getWrap(InterfaceBean.class);
+
+        assert bw == null;
+    }
+}

solon/src/test/java/features/solon/bean/InterfaceBean.java

@@ -0,0 +1,12 @@
+package features.solon.bean;
+
+import org.noear.solon.annotation.Component;
+
+/**
+ *
+ * @author noear 2025/11/8 created
+ *
+ */
+@Component
+public interface InterfaceBean {
+}