When I try to using java APNS to send the push notification to iOS, I got this error message: com.notnoop.exceptions.InvalidSSLConfig: java.io.IOException: DerInputStream.getLength(): lengthTag=109, too big. I already try converting the certificate to Personal Information Exchange (.p12) also getting the same error. Anyone know to problem and how to resolve it? Here are my java code: Thanks. Answer I had the