mozilla-services/android-sync — comment on commit 6ffb7d72f1c3c5195390e6d3360faea56220a7de
File: src/main/java/org/mozilla/gecko/sync/net/SyncResponse.java line 148
By rnewman:

header.getValue() may be null. You should lift that up to under line 145 and check for null, just like a missing header.