Possible NPE about java-sparkpost HOT 13 CLOSED

Are you using version v0.15?

Do you know how to reproduce that?

Are you seeing it often or has it only happened once?

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At least 4 times, and no, i don't have the way to reproduce it.

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Ok, thanks for reporting it. I will look into it.

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@carmudgeon,

Are you still seeing this NPE? I think I've narrowed down the source of this error some but want to see if you are still seeing the problem.

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it occurred twice yesterday 27/04/2016 same stacktrace, i managed to catch it, but the response will be null so i will not be able to tell if the email was sent or not.

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Thanks for the update. I'm trying to understand why this happen. The code change will be to throw a SparkPost exception like it is trying to do anyway but did not just want to add the catch exception quite yet until I can understand it better. I am expecting this is some sort of connection error or the socket is getting dropped for some reason.

I will get a fix out soon.

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@yepher

I am expecting this is some sort of connection error or the socket is getting dropped for some reason.

I believe this error can be reproduced in various ways.
Simple way to reproduce:

RestConnection restConnection = new RestConnection(new Client("YOUR_API_KEY"));
Webhook webhook = new Webhook();
webhook.setName("name with spaces");
ResourceWebhooks.update(restConnection, webhook.getName(), webhook);

Reason: server returns empty response. In my case it was response with 400 code and empty content( conn.getContentLength() == 0).

Btw, ResourceWebhooks.update must use PUT instead of POST =)

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One more way: delete existing webhook. Response with OK status code and empty body. NPE was thrown.

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In my case, it was during a transmission

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Thank you trying to get to this today.

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I've put a fix in a branch

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Do you know when is this going to be merged?

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Fixed in v0.16.1

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