fix:添加错误日志信息打印

Author: chuntaojun

polaris-sync-registry-core/src/main/java/cn/polarismesh/polaris/sync/registry/tasks/PullTask.java

@@ -86,7 +86,7 @@ public void run() {
                 }
             }
         } catch (Throwable e) {
-            LOG.error("[Core] pull task(source {}) encounter exception {}", source.getName(), e);
+            LOG.error("[Core] pull task(source {}) encounter exception {}", source.getName(), e.getStackTrace());
         }
     }