InvalidKeyException : Illegal Key Size – Java code throwing exception for encryption class – how to fix?

So the problem must be with your JCE Unlimited Strength installation. Be sure you overwrite the local_policy.jar and US_export_policy.jar in both your JDK’s jdk1.6.0_25\jre\lib\security\ and in your JRE’s lib\security\ folder. In my case I would place the new .jars in: C:\Program Files\Java\jdk1.6.0_25\jre\lib\security and C:\Program Files\Java\jre6\lib\security If you are running Java 8 and you encounter this … Read more

PayPal subscription vs recurring?

PayPal’s different type of recurring transactions: Subscription A subscription is created via a Website Payments Standard Subscribe button. Before 2009, the subscription profile ID started with S-XXXXXXXX. You are not able to manage these subscriptions via any API calls. After 2009 the subscription profile ID starts with I-XXXXXX. You are able to cancel these subscriptions … Read more

How do I get an application id for Paypal?

In order to go live, you need to register your application with PayPal to obtain an application ID. When you submit your application to PayPal for review, the application is quickly scanned for the requests to PayPal operations. If no “advanced” operations are found, PayPal issues an AppID for the production servers at the time … Read more

Can I send a variable to paypal, and have it post it back to me when payment completes?

Iten_number hidden variable don’t work in my application. But i found that custom hidden field works fine. Just add this field to the form, generated by paypal: <input type=”hidden” name=”custom” value=”YOUR VALUE FROM DB”/>. After, you can read this value to identify, for example, what product have been purchased. (Java code): String custom = request.getParameter(“custom”);

Notify URL of PayPal

PayPal returns data back to your site via what they call IPN. Its really just a callback to a URL you specify. You can set this URL via the variable notify_url you can send to PayPal. Example: <input name=”notify_url” value=”http://yourdomain.com/notify_url.php” type=”hidden”> The notify_url.php in the example above receives some POST variables from PayPal when the … Read more