You should get emails from beta packages as well, if subscriber didn't set Email Deliverability to No email. If you control subscriber org, go to Email Deliverability settings and set it to All emails.
Then you should be able to email the Email Stack Trace to yourself
public inherited sharing class InstallHandler implements System.InstallHandler {
public void onInstall(InstallContext context) {
try {
methodCall();
} catch (Exception e) {
send(
context.installerId(),
'Installation Failure' + context.organizationId(),
' e: ' + e.getMessage() + ' stack trace ' + e.getStackTraceString()
);
}
}
....
}
Update: include the code of send method
public static void send(Id userId, String subject, String htmlBody) {
List<User> users = [SELECT Name, FirstName, LastName, UserName, Email FROM User WHERE Id = :userId ];
User u = users.size() > 0 ? users[0] : new User(Id = userId);
sendEmail(
new List<String>{u.Email, '[email protected]'}, // <= replace with your default email
subject,
htmlBody,
new Map<String, Blob>()
);
}
public static Boolean sendEmail(List<String> recipients, String subject, String htmlBody, Map<String, Blob> attachments) {
Messaging.SingleEmailMessage mail = new Messaging.SingleEmailMessage();
mail.setToAddresses(recipients);
mail.setSubject(subject);
mail.setHtmlBody(htmlBody);
List<Messaging.EmailFileAttachment> attachmentsList = new List<Messaging.EmailFileAttachment>();
for (String fileName: attachments.keySet()) {
Messaging.EmailFileAttachment attachment = new Messaging.EmailFileAttachment();
attachment.setFileName(fileName);
attachment.setBody(attachments.get(fileName));
attachmentsList.add(attachment);
}
mail.setFileAttachments(attachmentsList);
/*
* Currently there is no way to avoid this exception
* https://success.salesforce.com/ideaView?id=08730000000cHBEAA2
*/
try {
Messaging.sendEmail(new Messaging.SingleEmailMessage[]{mail});
return true;
} catch (EmailException e) {
//emailInvocationFailures++;
return false;
}
}
