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google-cloud-nio: retry on 502 errors, and increase max depth when doing channel reopens #3557

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Sep 4, 2018
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Original file line number Diff line number Diff line change
Expand Up @@ -144,7 +144,7 @@ void sleepForAttempt(int attempt) {
* @return true if exs is a retryable error, otherwise false
*/
private static boolean isRetryable(final StorageException exs) {
return exs.isRetryable() || exs.getCode() == 500 || exs.getCode() == 503;
return exs.isRetryable() || exs.getCode() == 500 || exs.getCode() == 502 || exs.getCode() == 503;
}

/**
Expand All @@ -154,7 +154,7 @@ private static boolean isRetryable(final StorageException exs) {
private static boolean isReopenable(final StorageException exs) {
Throwable throwable = exs;
// ensures finite iteration
int maxDepth = 10;
int maxDepth = 20;
while (throwable != null && maxDepth-- > 0) {
if ((throwable.getMessage() != null
&& throwable.getMessage().contains("Connection closed prematurely"))
Expand Down