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added null check while compaing the differences between existing kvs and current kvs #192

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added null check while compaing the differences between existing kvs and current kvs #192

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2 changes: 1 addition & 1 deletion lib/consul/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -154,7 +154,7 @@ var diff_kvs = function(write_kvs, delete_kvs, candidate_kvs, existing_kvs) {
if (idx === -1) {
// key does not exist in the current tree, so we must add it.
write_kvs.push(kv);
} else if (kv.value.toString() !== existing_kvs[idx].value) {
} else if (kv.value === null || kv.value.toString() !== existing_kvs[idx].value) {
// key exists in the current tree, but has a different value, so we must update it.
write_kvs.push(kv);
existing_kvs.splice(idx, 1);
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