add windows jdk issue item
diff --git a/netbeans.apache.org/src/content/download/nb19/index.adoc b/netbeans.apache.org/src/content/download/nb19/index.adoc
index 05d3f3a..04f29f8 100644
--- a/netbeans.apache.org/src/content/download/nb19/index.adoc
+++ b/netbeans.apache.org/src/content/download/nb19/index.adoc
@@ -112,6 +112,10 @@
 
 == Known Issues
 
+* On windows you may encounter the following JDK issue: "Comparison method violates its general contract"
++
+link:https://github.com/apache/netbeans/discussions/6361[Resolution of the issue]
+
 * link:https://github.com/apache/netbeans/issues[All Issues on GitHub]
 
 * link:https://netbeans.apache.org/participate/report-issue.html[How to Report an Issue]