when i upload product image he is complete 100% after error and there is no error show then i write this code in
/lib/Varien/File/uploader.php after not show any error and permission is right
public function save($destinationFolder, $newFileName = null){
$this->_validateFile();
if ($this->_allowCreateFolders) {
$this->_createDestinationFolder($destinationFolder);
}
if (!is_writable($destinationFolder)) {
// Put a mage::log() and check what is the folder magento is looking for.
Mage::log($destinationFolder);
throw new Exception('Destination folder is not writable or does not exists.');}