Examples with PrestoTransportException io.prestosql.spi.PrestoTransportException used on opensource projects

Example 6 with PrestoTransportException

use of io.prestosql.spi.PrestoTransportException in project hetu-core by openlookeng.

the class RequestErrorTracker method requestFailed.

public void requestFailed(Throwable reason) throws PrestoException {
    // cancellation is not a failure
    if (reason instanceof CancellationException) {
        return;
    }
    if (reason instanceof RejectedExecutionException) {
        throw new PrestoException(REMOTE_TASK_ERROR, reason);
    }
    // log failure message
    if (isExpectedError(reason)) {
        // don't print a stack for a known errors
        log.warn("Error " + jobDescription + " %s: %s: %s", taskId, reason.getMessage(), taskUri);
    } else {
        log.warn(reason, "Error " + jobDescription + " %s: %s", taskId, taskUri);
    }
    // remember the first 10 errors
    if (errorsSinceLastSuccess.size() < 10) {
        errorsSinceLastSuccess.add(reason);
    }
    // fail the task, if we have more than X failures in a row and more than Y seconds have passed since the last request
    if (backoff.failure()) {
        // it is weird to mark the task failed locally and then cancel the remote task, but there is no way to tell a remote task that it is failed
        PrestoException exception = new PrestoTransportException(TOO_MANY_REQUESTS_FAILED, fromUri(taskUri), format("%s (%s %s - %s failures, failure duration %s, total failed request time %s)", WORKER_NODE_ERROR, jobDescription, taskUri, backoff.getFailureCount(), backoff.getFailureDuration().convertTo(SECONDS), backoff.getFailureRequestTimeTotal().convertTo(SECONDS)));
        errorsSinceLastSuccess.forEach(exception::addSuppressed);
        throw exception;
    }
}