ConsumeHTTP2Data Assertion error

[npomfret]

v10.16.3
OS X Catalina 10.15.3 (Darwin imac2019.lan 19.3.0 Darwin Kernel Version 19.3.0: Thu Jan 9 20:58:23 PST 2020; root:xnu-6153.81.5~1/RELEASE_X86_64 x86_64)

My app will run for an hour before it dies with the error below. What does it mean please?

.nvm/versions/node/v10.16.3/bin/node[84392]: ../src/node_http2.cc:893:ssize_t node::http2::Http2Session::ConsumeHTTP2Data(): Assertion `(flags_ & SESSION_STATE_READING_STOPPED) != (0)' failed.
 1: 0x10003d035 node::Abort() [/Users/user/.nvm/versions/node/v10.16.3/bin/node]
 2: 0x10003c057 node::AddEnvironmentCleanupHook(v8::Isolate*, void (*)(void*), void*) [/Users/user/.nvm/versions/node/v10.16.3/bin/node]
 3: 0x100081b34 node::http2::Http2Session::ConsumeHTTP2Data() [/Users/user/.nvm/versions/node/v10.16.3/bin/node]
 4: 0x10008484e node::http2::Http2Session::OnStreamRead(long, uv_buf_t const&) [/Users/user/.nvm/versions/node/v10.16.3/bin/node]
 5: 0x10013a258 node::TLSWrap::ClearOut() [/Users/user/.nvm/versions/node/v10.16.3/bin/node]
 6: 0x10013b86e node::TLSWrap::OnStreamRead(long, uv_buf_t const&) [/Users/user/.nvm/versions/node/v10.16.3/bin/node]
 7: 0x1000efaca node::LibuvStreamWrap::OnUvRead(long, uv_buf_t const*) [/Users/user/.nvm/versions/node/v10.16.3/bin/node]
 8: 0x1009be83f uv__stream_io [/Users/user/.nvm/versions/node/v10.16.3/bin/node]
 9: 0x1009c60fb uv__io_poll [/Users/user/.nvm/versions/node/v10.16.3/bin/node]
10: 0x1009b6139 uv_run [/Users/user/.nvm/versions/node/v10.16.3/bin/node]
11: 0x100044831 node::Start(v8::Isolate*, node::IsolateData*, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&) [/Users/user/.nvm/versions/node/v10.16.3/bin/node]
12: 0x100043d3c node::Start(uv_loop_s*, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&) [/Users/user/.nvm/versions/node/v10.16.3/bin/node]
13: 0x100043886 node::Start(int, char**) [/Users/user/.nvm/versions/node/v10.16.3/bin/node]
15: 0x2 

[addaleax]

@npomfret Is there any chance you could share more information about this, e.g. a reproduction or whether this also reproduces on Node v12.x?

[npomfret]

Thanks for the reply. It is only possible to reproduce by running my app for a while, so I'm unsure of exactly what the cause it. I will upgrade and monitor.

[Billyzou0741326]

I observed the same error on v10.16.3, apparently after a set of requests returns with http status code 412.
This error does not exist in v12.16.3, under the same condition.