增加生成后端服务代码。

backend/src/main/java/com/qqchen/deploy/backend/deploy/service/impl/RepositoryBranchServiceImpl.java

@@ -65,36 +65,126 @@ public class RepositoryBranchServiceImpl extends BaseServiceImpl<RepositoryBranc
     @Resource(name = "repositoryBranchExecutor")
     private ThreadPoolTaskExecutor executor;
 
-    private static final int BATCH_SIZE = 100;
+    private static final int BATCH_SIZE = 50; // 减小批次大小，提高容错性
 
     private static final int MAX_RETRIES = 3;
 
     private static final long RETRY_DELAY = 100L;
 
+    private static final int MAX_WEB_URL_LENGTH = 1000; // web_url 字段最大长度
+
+    /**
+     * 批量保存分支（优化版）
+     * 1. 分批保存，减少单次事务大小
+     * 2. 单条记录失败不影响其他记录
+     * 3. 支持乐观锁重试
+     */
     @Transactional
     public void saveBatch(List<RepositoryBranch> branches) {
-        int retryCount = 0;
+        if (branches == null || branches.isEmpty()) {
-        while (retryCount < MAX_RETRIES) {
+            return;
-            try {
+        }
+
+        log.info("开始批量保存 {} 条分支记录", branches.size());
+        int successCount = 0;
+        int failureCount = 0;
+        List<String> failedBranches = new ArrayList<>();
+
+        // 分批处理
         for (int i = 0; i < branches.size(); i += BATCH_SIZE) {
             int end = Math.min(i + BATCH_SIZE, branches.size());
             List<RepositoryBranch> batch = branches.subList(i, end);
-                    repositoryBranchRepository.saveAll(batch);
+
+            // 批次内逐条保存，避免一条失败导致整批失败
+            for (RepositoryBranch branch : batch) {
+                int retryCount = 0;
+                boolean saved = false;
+
+                while (retryCount <= MAX_RETRIES && !saved) {
+                    try {
+                        // 数据清洗：截断过长的字段
+                        sanitizeBranchData(branch);
+
+                        // 保存单条记录
+                        repositoryBranchRepository.save(branch);
+                        successCount++;
+                        saved = true;
+
+                        if (retryCount > 0) {
+                            log.info("分支 {} 重试第 {} 次成功", branch.getName(), retryCount);
                         }
-                return;
                     } catch (ObjectOptimisticLockingFailureException e) {
+                        // 乐观锁冲突，重试
                         retryCount++;
-                if (retryCount >= MAX_RETRIES) {
+                        if (retryCount > MAX_RETRIES) {
-                    throw e;
+                            failureCount++;
-                }
+                            String errorMsg = String.format("%s (乐观锁冲突)", branch.getName());
-                log.warn("Optimistic locking failure during batch save, retry attempt {}", retryCount);
+                            failedBranches.add(errorMsg);
+                            log.error("分支 {} 保存失败，乐观锁冲突重试 {} 次后仍失败", branch.getName(), MAX_RETRIES, e);
+                        } else {
+                            log.warn("分支 {} 乐观锁冲突，进行第 {} 次重试", branch.getName(), retryCount);
                             try {
                                 Thread.sleep(RETRY_DELAY * retryCount);
                             } catch (InterruptedException ie) {
                                 Thread.currentThread().interrupt();
-                    throw new RuntimeException("Interrupted during retry delay", ie);
+                                log.error("重试延迟被中断", ie);
                             }
                         }
+                    } catch (Exception e) {
+                        // 其他异常（如数据过长、约束冲突等），记录日志并跳过
+                        failureCount++;
+                        String errorMsg = String.format("%s (%s)", branch.getName(), e.getMessage());
+                        failedBranches.add(errorMsg);
+                        log.error("分支 {} 保存失败: {}, webUrl长度={}", 
+                            branch.getName(), 
+                            e.getMessage(),
+                            branch.getWebUrl() != null ? branch.getWebUrl().length() : 0,
+                            e);
+                        break; // 非乐观锁异常不重试
+                    }
+                }
+            }
+
+            log.info("批次 [{}-{}] 保存完成，成功: {}, 失败: {}", 
+                i, end - 1, successCount, failureCount);
+        }
+
+        // 汇总结果
+        log.info("批量保存完成 - 总数: {}, 成功: {}, 失败: {}", 
+            branches.size(), successCount, failureCount);
+
+        if (!failedBranches.isEmpty()) {
+            log.warn("保存失败的分支列表（前10条）: {}", 
+                failedBranches.stream().limit(10).collect(Collectors.toList()));
+        }
+
+        // 如果全部失败，抛出异常
+        if (failureCount == branches.size() && branches.size() > 0) {
+            throw new BusinessException(ResponseCode.REPOSITORY_BRANCH_SYNC_FAILED, 
+                new Object[]{"所有分支保存失败"});
+        }
+    }
+
+    /**
+     * 数据清洗：截断过长的字段，避免数据库插入失败
+     */
+    private void sanitizeBranchData(RepositoryBranch branch) {
+        // 截断 web_url
+        if (branch.getWebUrl() != null && branch.getWebUrl().length() > MAX_WEB_URL_LENGTH) {
+            String original = branch.getWebUrl();
+            branch.setWebUrl(original.substring(0, MAX_WEB_URL_LENGTH));
+            log.warn("分支 {} 的 web_url 超长（{}字符），已截断至 {} 字符", 
+                branch.getName(), original.length(), MAX_WEB_URL_LENGTH);
+        }
+
+        // 截断 commit_message（TEXT 类型通常足够大，但防御性处理）
+        if (branch.getCommitMessage() != null && branch.getCommitMessage().length() > 5000) {
+            branch.setCommitMessage(branch.getCommitMessage().substring(0, 5000) + "...");
+        }
+
+        // 截断 commit_author
+        if (branch.getCommitAuthor() != null && branch.getCommitAuthor().length() > 100) {
+            branch.setCommitAuthor(branch.getCommitAuthor().substring(0, 100));
         }
     }
 

backend/src/main/resources/db/changelog/changes/v1.0.0-schema.sql

@@ -353,7 +353,7 @@ CREATE TABLE deploy_repo_branch
 	commit_date          DATETIME(6)  NULL COMMENT '最新提交时间',
 	last_update_time     DATETIME(6)  NULL COMMENT '分支最后更新时间',
 	last_commit_time     DATETIME(6)  NULL COMMENT '分支最后提交时间',
-	web_url              VARCHAR(255) NULL COMMENT '网页URL',
+	web_url              VARCHAR(1000) NULL COMMENT '网页URL',
 	project_id           BIGINT       NOT NULL COMMENT '所属项目ID',
 	external_system_id   BIGINT       NOT NULL COMMENT '外部系统ID',
 	repo_project_id      BIGINT       NOT NULL COMMENT 'GitLab的真实project_id',