Examples with FlinkHttpObjectAggregator org.apache.flink.runtime.rest.FlinkHttpObjectAggregator used on opensource projects

Example 1 with FlinkHttpObjectAggregator

use of org.apache.flink.runtime.rest.FlinkHttpObjectAggregator in project flink by apache.

the class AbstractHandler method handleException.

private CompletableFuture<Void> handleException(Throwable throwable, ChannelHandlerContext ctx, HttpRequest httpRequest) {
    ClusterEntryPointExceptionUtils.tryEnrichClusterEntryPointError(throwable);
    FlinkHttpObjectAggregator flinkHttpObjectAggregator = ctx.pipeline().get(FlinkHttpObjectAggregator.class);
    if (flinkHttpObjectAggregator == null) {
        log.warn("The connection was unexpectedly closed by the client.");
        return CompletableFuture.completedFuture(null);
    }
    int maxLength = flinkHttpObjectAggregator.maxContentLength() - OTHER_RESP_PAYLOAD_OVERHEAD;
    if (throwable instanceof RestHandlerException) {
        RestHandlerException rhe = (RestHandlerException) throwable;
        String stackTrace = ExceptionUtils.stringifyException(rhe);
        String truncatedStackTrace = Ascii.truncate(stackTrace, maxLength, "...");
        if (log.isDebugEnabled()) {
            log.error("Exception occurred in REST handler.", rhe);
        } else if (rhe.logException()) {
            log.error("Exception occurred in REST handler: {}", rhe.getMessage());
        }
        return HandlerUtils.sendErrorResponse(ctx, httpRequest, new ErrorResponseBody(truncatedStackTrace), rhe.getHttpResponseStatus(), responseHeaders);
    } else {
        log.error("Unhandled exception.", throwable);
        String stackTrace = String.format("<Exception on server side:%n%s%nEnd of exception on server side>", ExceptionUtils.stringifyException(throwable));
        String truncatedStackTrace = Ascii.truncate(stackTrace, maxLength, "...");
        return HandlerUtils.sendErrorResponse(ctx, httpRequest, new ErrorResponseBody(Arrays.asList("Internal server error.", truncatedStackTrace)), HttpResponseStatus.INTERNAL_SERVER_ERROR, responseHeaders);
    }
}