use of com.evanlennick.retry4j.RetryConfigBuilder in project aws-cf-templates by widdix.
the class ATest method retry.
protected final <T> T retry(Callable<T> callable) {
final Callable<T> wrapper = () -> {
try {
return callable.call();
} catch (final Exception e) {
System.out.println("retry[] exception: " + e.getMessage());
e.printStackTrace();
throw e;
}
};
final RetryConfig config = new RetryConfigBuilder().retryOnAnyException().withMaxNumberOfTries(30).withDelayBetweenTries(10, ChronoUnit.SECONDS).withFixedBackoff().build();
final CallResults<Object> results = new CallExecutor(config).execute(wrapper);
return (T) results.getResult();
}
use of com.evanlennick.retry4j.RetryConfigBuilder in project bender by Nextdoor.
the class HttpTransport method sendBatch.
public void sendBatch(byte[] raw) throws TransportException {
/*
* Wrap the call with retry logic to avoid intermittent ES issues.
*/
Callable<HttpResponse> callable = () -> {
HttpResponse resp;
String responseString = null;
HttpPost httpPost = new HttpPost(this.url);
/*
* Do the call, read response, release connection so it is available for use again, and
* finally check the response.
*/
try {
if (this.useGzip) {
resp = sendBatchCompressed(httpPost, raw);
} else {
resp = sendBatchUncompressed(httpPost, raw);
}
try {
responseString = EntityUtils.toString(resp.getEntity());
} catch (ParseException | IOException e) {
throw new TransportException("http transport call failed because " + resp.getStatusLine().getReasonPhrase());
}
} finally {
/*
* Always release connection otherwise it blocks future requests.
*/
httpPost.releaseConnection();
}
checkResponse(resp, responseString);
return resp;
};
RetryConfig config = new RetryConfigBuilder().retryOnSpecificExceptions(TransportException.class).withMaxNumberOfTries(this.retries + 1).withDelayBetweenTries(this.retryDelayMs, ChronoUnit.MILLIS).withExponentialBackoff().build();
try {
new CallExecutor(config).execute(callable);
} catch (RetriesExhaustedException ree) {
logger.warn("transport failed after " + ree.getCallResults().getTotalTries() + " tries.");
throw new TransportException(ree.getCallResults().getLastExceptionThatCausedRetry());
} catch (UnexpectedException ue) {
throw new TransportException(ue);
}
}
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