mrokitka opened a new issue, #924:
URL: https://github.com/apache/poi/issues/924
Using latest Apache POI 5.4.1, I get warnings when working with
XSLFGroupShape to contain shapes with other shapes created on XSLFSlide. As
far as I can tell, I'm using the API as intended.
The following is a small reproduction of the issue:
```java
XMLSlideShow ppt = new XMLSlideShow();
ppt.setPageSize(new java.awt.Dimension(pageWidth, pageHeight));
XSLFSlide slide = ppt.createSlide();
XSLFTextBox slideHeaderLabel = slide.createTextBox();
slideHeaderLabel.setAnchor(new
Rectangle(mainContentContainerMargin, 82, pageWidthSansMargins, 43));
slideHeaderLabel.setInsets(new Insets2D(0,
slideHeaderLabel.getInsets().left, 0, slideHeaderLabel.getInsets().right));
XSLFTextParagraph slideHeaderParagraph =
slideHeaderLabel.addNewTextParagraph();
XSLFTextRun slideHeaderRun =
slideHeaderParagraph.addNewTextRun();
slideHeaderRun.setText("Title");
XSLFTextBox slideSubHeaderLabel = slide.createTextBox();
slideSubHeaderLabel.setAnchor(new
Rectangle(mainContentContainerMargin, 125, pageWidthSansMargins, 32));
slideSubHeaderLabel.setInsets(new Insets2D(0,
slideSubHeaderLabel.getInsets().left, 0,
slideSubHeaderLabel.getInsets().right));
XSLFTextParagraph slideSubHeaderParagraph =
slideSubHeaderLabel.addNewTextParagraph();
XSLFTextRun slideSubHeaderRun =
slideSubHeaderParagraph.addNewTextRun();
slideSubHeaderRun.setText("Subtitle");
XSLFGroupShape shapeGroup = slide.createGroup();
XSLFAutoShape roundedRect = shapeGroup.createAutoShape();
roundedRect.setShapeType(ShapeType.ROUND_RECT);
roundedRect.setAnchor(new Rectangle(10, 0, 100, 86));
roundedRect.setLineColor(Color.LIGHT_GRAY);
roundedRect.setFillColor(Color.WHITE);
roundedRect.setLineWidth(1.5);
// Save the presentation
try (FileOutputStream out = new
FileOutputStream("example.pptx")) {
ppt.write(out);
}
ppt.close();
```
Running the above example produces the following warning log messages:
```
2025-10-25 13:47:48,076 [Thread:main] WARN
[org.apache.poi.xslf.usermodel.XSLFSheet] - shape id 1 has been already used.
2025-10-25 13:47:48,078 [Thread:main] WARN
[org.apache.poi.xslf.usermodel.XSLFSheet] - shape id 2 has been already used.
2025-10-25 13:47:48,078 [Thread:main] WARN
[org.apache.poi.xslf.usermodel.XSLFSheet] - shape id 3 has been already used.
2025-10-25 13:47:48,078 [Thread:main] WARN
[org.apache.poi.xslf.usermodel.XSLFSheet] - shape id 4 has been already used.
```
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