When entering characters using input method, if we are in compose mode, doing a select all using keyboard (Ctrl + A) removes contents of text component.

Steps:
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1) Copy im jars under jre/lib/im to jre/lib/ext
2) Launch Notepad demo
3) Select Devanagari input method
4) Enter a few characters for which compose will be shown below the current line (Eg: "f")
5) Press Ctrl + A (Select All)

All characters in text component except the last composed character is removed.

Attached screenshot shows the status of text component before and after pressing Ctrl+A.