Index: core-cube/src/main/java/org/apache/kylin/cube/common/RowKeySplitter.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- core-cube/src/main/java/org/apache/kylin/cube/common/RowKeySplitter.java	(date 1518323935000)
+++ core-cube/src/main/java/org/apache/kylin/cube/common/RowKeySplitter.java	(revision )
@@ -124,6 +124,8 @@
             int colLength = colIO.getColumnLength(col);
             SplittedBytes split = this.splitBuffers[this.bufferSize++];
             split.length = colLength;
+            if(split.length > split.value.length)
+                split.value = new byte[split.length];
             System.arraycopy(bytes, offset, split.value, 0, colLength);
             offset += colLength;
         }