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Old 10-30-2007, 11:21 AM   #1 (permalink)
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Default ClassCastException

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I have a application to send a mail whit a file attachment and request any error java.lang.ClassCastException in the line of code AttachmentHandlerManager.

help me whats is the problem whit me file?.

Object obj = filetoattach();
AttachmentHandlerManager.getInstance().addAttachme ntHandler(AttachmentHandler) obj);

private Object filetoattach() {
Object o = null;

try {
FileConnection fconn = (FileConnection)"file:///store/samples/pictures/orbital.jpg");
// If no exception is thrown, then the URI is valid, but the file may or may not exist.
if (fconn.exists()) {
System.out.println("Existe el Archivo");
InputStream input = null;
input = fconn.openInputStream();
int available = 0;
available = input.available();
byte[] data = new byte[available];, 0, available);
o = (Object) input;
catch (Exception ioe) {
System.out.println("ERROR : " + ioe);
return o;
Old 10-30-2007, 11:48 AM   #2 (permalink)
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you try to cast your filetoattach-object to AttachmentHandler which is not possible.

take a look at p. 181ff of the BlackBerry_Java_Development_Environment_Developmen t_Guide.pdf
Sending a mail with an attachment is explained there.

java developer, Devinto, hamburg/germany
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