diff --git a/be/src/exec/hdfs-parquet-scanner.cc b/be/src/exec/hdfs-parquet-scanner.cc
index ead3628..559405f 100644
--- a/be/src/exec/hdfs-parquet-scanner.cc
+++ b/be/src/exec/hdfs-parquet-scanner.cc
@@ -1215,6 +1215,8 @@ Status HdfsParquetScanner::BaseScalarColumnReader::ReadDataPage() {
     break;
   }
 
+  LOG(ERROR) << "Bugchase num_buffered_values_=" << num_buffered_values_;
+
   return Status::OK();
 }
 
diff --git a/be/src/util/rle-encoding.h b/be/src/util/rle-encoding.h
index 55342ec..ebe6bcd 100644
--- a/be/src/util/rle-encoding.h
+++ b/be/src/util/rle-encoding.h
@@ -245,7 +245,12 @@ template<typename T>
 inline bool RleDecoder::Get(T* val) {
   DCHECK_GE(bit_width_, 0);
   if (UNLIKELY(literal_count_ == 0 && repeat_count_ == 0)) {
-    if (!NextCounts<T>()) return false;
+    if (!NextCounts<T>()) {
+      return false;
+    } else {
+      LOG(ERROR) << "Bugchase repeat_count_=" << repeat_count_
+          << " literal_count_=" << literal_count_;
+    }
   }
 
   if (LIKELY(repeat_count_ > 0)) {