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-rw-r--r--pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/pdfbox/PDFBOXObject.java4
1 files changed, 3 insertions, 1 deletions
diff --git a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/pdfbox/PDFBOXObject.java b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/pdfbox/PDFBOXObject.java
index ef4c055c..d3babcb2 100644
--- a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/pdfbox/PDFBOXObject.java
+++ b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/pdfbox/PDFBOXObject.java
@@ -47,7 +47,9 @@ public class PDFBOXObject extends PDFObject {
if(doc != null) {
doc.close();
}
- this.doc = PDDocument.load(this.originalDocument.getInputStream());
+ synchronized(PDDocument.class) {
+ this.doc = PDDocument.load(this.originalDocument.getInputStream());
+ }
if(this.doc != null) {
this.doc.getDocument().setWarnMissingClose(false);
}