te')); return $arr; } /* 遍历用户所有主题 * @param $uid 用户ID * @param int $page 页数 * @param int $pagesize 每页记录条数 * @param bool $desc 排序方式 TRUE降序 FALSE升序 * @param string $key 返回的数组用那一列的值作为 key * @param array $col 查询哪些列 */ function thread_tid_find_by_uid($uid, $page = 1, $pagesize = 1000, $desc = TRUE, $key = 'tid', $col = array()) { if (empty($uid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('uid' => $uid), array('tid' => $orderby), $page, $pagesize, $key, $col); return $arr; } // 遍历栏目下tid 支持数组 $fid = array(1,2,3) function thread_tid_find_by_fid($fid, $page = 1, $pagesize = 1000, $desc = TRUE) { if (empty($fid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('fid' => $fid), array('tid' => $orderby), $page, $pagesize, 'tid', array('tid', 'verify_date')); return $arr; } function thread_tid_delete($tid) { if (empty($tid)) return FALSE; $r = thread_tid__delete(array('tid' => $tid)); return $r; } function thread_tid_count() { $n = thread_tid__count(); return $n; } // 统计用户主题数 大数量下严谨使用非主键统计 function thread_uid_count($uid) { $n = thread_tid__count(array('uid' => $uid)); return $n; } // 统计栏目主题数 大数量下严谨使用非主键统计 function thread_fid_count($fid) { $n = thread_tid__count(array('fid' => $fid)); return $n; } ?>open telemetry - Serilog HTTPProtobuf protocol doesn't seem to be respected - Stack Overflow

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    I am trying to setup the Serilog OpenTelemetry sink to send logs to my Otel Collector using the HttpProtobuf protocol.

    My logs don't seem to be arriving, so I turned on Serilog self logging and see the following in the console:

    Grpc.Core.RpcException: Status(StatusCode="Unknown", Detail="Bad gRPC response. HTTP status code: 405") at Serilog.Core.Sinks.Batching.BatchingSink.LoopAsync()

    This would seem to suggest the protocol is not being supported and the sink is still trying to send as Grpc.

    My setup is as follows:

    builder.Host.UseSerilog((ctx, serviceProvider, lc) =>
{
    lc = lc.ReadFrom.Configuration(ctx.Configuration)
        .WriteTo.Console();

    var otlpEndpoint = builder.Configuration["OTEL_EXPORTER_OTLP_ENDPOINT"];
    if (!string.IsNullOrWhiteSpace(otlpEndpoint))
    {
        lc.WriteTo.OpenTelemetry(cfg =>
        {
            cfg.Endpoint = $"{otlpEndpoint}/v1/logs";
            cfg.Protocol = OtlpProtocol.HttpProtobuf;         
        });
    }
});

    I am trying to setup the Serilog OpenTelemetry sink to send logs to my Otel Collector using the HttpProtobuf protocol.

    My logs don't seem to be arriving, so I turned on Serilog self logging and see the following in the console:

    Grpc.Core.RpcException: Status(StatusCode="Unknown", Detail="Bad gRPC response. HTTP status code: 405") at Serilog.Core.Sinks.Batching.BatchingSink.LoopAsync()

    This would seem to suggest the protocol is not being supported and the sink is still trying to send as Grpc.

    My setup is as follows:

    builder.Host.UseSerilog((ctx, serviceProvider, lc) =>
{
    lc = lc.ReadFrom.Configuration(ctx.Configuration)
        .WriteTo.Console();

    var otlpEndpoint = builder.Configuration["OTEL_EXPORTER_OTLP_ENDPOINT"];
    if (!string.IsNullOrWhiteSpace(otlpEndpoint))
    {
        lc.WriteTo.OpenTelemetry(cfg =>
        {
            cfg.Endpoint = $"{otlpEndpoint}/v1/logs";
            cfg.Protocol = OtlpProtocol.HttpProtobuf;         
        });
    }
});
    • serilog
    • open-telemetry
    Share Improve this question asked 2 days ago SteveSteve 9,58110 gold badges53 silver badges84 bronze badges 2
    • Is there any chance OTEL_EXPORTER_OTLP_PROTOCOL is defined as an environment variable? This would override your configuration-in-code if so. – Nicholas Blumhardt Commented yesterday
    • Yes, that was the issue. I was using Aspire to launch my app and it must inject that environment variable in even without me setting it. I guess it's still an issue that explicitly setting it in serilog doesn't override it, however. – Steve Commented yesterday
    Add a comment  | 

    1 Answer 1

    Reset to default 0

    Pass ignoreEnvironment: true to WriteTo.OpenTelemetry() to ignore any environment variable overrides set in your environment:

    builder.Host.UseSerilog((ctx, serviceProvider, lc) =>
{
    lc = lc.ReadFrom.Configuration(ctx.Configuration)
        .WriteTo.Console();

    var otlpEndpoint = builder.Configuration["OTEL_EXPORTER_OTLP_ENDPOINT"];
    if (!string.IsNullOrWhiteSpace(otlpEndpoint))
    {
        lc.WriteTo.OpenTelemetry(cfg =>
        {
            cfg.Endpoint = $"{otlpEndpoint}/v1/logs";
            cfg.Protocol = OtlpProtocol.HttpProtobuf;  
        // Add this arg:       
        }, ignoreEnvironment: true);
    }
});

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