prebid-server-java
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prebid
Pubmatic adapter seems to crash occasionally on invalid native ads
Background
Testing native ads in a publisher Android app working against a PBS-Java we observed occasional /auction 500 response with this error:
Critical error while running the auction: Cannot invoke "com.fasterxml.jackson.databind.JsonNode.isMissingNode()" because "nativeNode" is null
a quick search suggests this part of Pubmatic validation code:
https://github.com/prebid/prebid-server-java/blob/d02bd514b0e36b85d0055a75dc87377ece73aca3/src/main/java/org/prebid/server/bidder/pubmatic/PubmaticBidder.java#L597-L600
Suggested solution
Perhaps a prior null check of nativeNode would be a good defense - as in some cases it may be missing..
