Clone only content of imported chart

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1886087 13f79535-47bb-0310-9956-ffa450edef68

src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFDrawing.java

@@ -271,8 +271,7 @@ public final class XSSFDrawing extends POIXMLDocumentPart implements Drawing<XSS
         XSSFClientAnchor destAnchor = new XSSFClientAnchor(from, to);
         destAnchor.setAnchorType(ClientAnchor.AnchorType.MOVE_AND_RESIZE);
         XSSFChart destChart = createChart(destAnchor);
-        destChart.getCTChartSpace().set(srcChart.getCTChartSpace().copy());
-        destChart.getCTChart().set(destChart.getCTChartSpace().getChart());
+        destChart.getCTChart().set(srcChart.getCTChartSpace().getChart().copy());
         return destChart;
     }
 

src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestXSSFDrawing.java

@@ -913,6 +913,21 @@ class TestXSSFDrawing {
         wb2.close();
     }
 
+    @Test
+    void testBug63901() {
+        XSSFWorkbook workbook = XSSFTestDataSamples.openSampleWorkbook("chartTitle_withTitle.xlsx");
+        XSSFSheet sheet = workbook.getSheet("Sheet1");
+        XSSFDrawing drawing = sheet.createDrawingPatriarch();
+        assert(drawing.getCharts().size() > 0);
+
+        XSSFWorkbook workbook2 = new XSSFWorkbook();
+        XSSFSheet sheet2 = workbook2.createSheet();
+        XSSFDrawing drawing2 = sheet2.createDrawingPatriarch();
+
+        drawing.getCharts().forEach(drawing2::importChart);
+
+        assertEquals(drawing.getCharts().size(), drawing2.getCharts().size());
+    }
 
     private static void checkRewrite(XSSFWorkbook wb) throws IOException {
         XSSFWorkbook wb2 = XSSFTestDataSamples.writeOutAndReadBack(wb);