Hello,
I've got a wired issue working with protobuf/golang. I have a proto
defined a enum like
enum OSType {
UNKNOWN_OSTYPE = 0;
MACOS = 1;
IOS = 2;
ANDROID = 3;
WINDOWS = 4;
}
in fileA, then import it and use it in a object in fileB
import fileA
...
message SomeObj {
...
repeated OSType platforms = 10;
...
}
then generate into some go files. When I use it as a return value of, I
find the panic, whatever I put a nil, empty array, or an array of several
OSTypes(non-duplicated).
Debug into the code and find it's related to this enum array - in this
object I have several other enums but none of them cause any problem.
What's more, if I move this enum array out of FileA, the panic disappeared
immediately.
The panic reads like[1]. Also I'm using Kite framework, not sure if it
is related.
I am not sure if this is a mis-use or bug? Though I've got a
workaround, looking forwards some insight and best-practice. Thanks.
[1]
[2020-05-22T21:03:55+08:00] catch panic!!! panic location:
google.golang.org/protobuf/internal/filedesc.(*EnumValues).Get:66
stacktrace:
goroutine 4447 [running]:
runtime/debug.Stack(0xc001836528, 0x31e87a0, 0xc000456c30)
/usr/local/go/src/runtime/debug/stack.go:24 +0x9d
git.purefire.org/package/common.Recover(0x3267540, 0xc001d580c0,
0xc000c6c9c8)
/Users/purefire/go/pkg/mod/git.purefire.org/package/common@v1.0.322/common.go:213
+0x16e
panic(0x2b9ec00, 0xc0008ab7c0)
/usr/local/go/src/runtime/panic.go:679 +0x1b2
google.golang.org/protobuf/internal/filedesc.(*EnumValues).Get(0xc0000f01c0,
0x0, 0xc0000f01c0, 0x101008b)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/internal/filedesc/desc_list_gen.go:66
+0x4b
google.golang.org/protobuf/internal/impl.newEnumConverter(0x32859e0,
0x2a2c6a0, 0x32858c0, 0xc000264d60, 0x29bb7c0, 0xc0018993e0)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/internal/impl/convert.go:379
+0x85
google.golang.org/protobuf/internal/impl.newSingularConverter(0x32859e0,
0x2a2c6a0, 0x32858c0, 0xc000264d60, 0xc000c6bb60, 0x116987b)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/internal/impl/convert.go:138
+0xefa
google.golang.org/protobuf/internal/impl.newListConverter(0x32859e0,
0xc0001e8ac0, 0x32858c0, 0xc000264d60, 0xe0, 0x2b12f60)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/internal/impl/convert_list.go:17
+0xae
google.golang.org/protobuf/internal/impl.NewConverter(0x32859e0,
0xc0001e8ac0, 0x32858c0, 0xc000264d60, 0xc000c6bc18, 0x1016587)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/internal/impl/convert.go:56
+0x123
google.golang.org/protobuf/internal/impl.fieldInfoForList(0x32858c0,
0xc000264d60, 0x29f3e60, 0x9, 0x0, 0x0, 0x32859e0, 0x290fa00, 0x29f3e6b,
0x4e, ...)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/internal/impl/message_reflect_field.go:172
+0xe1
google.golang.org/protobuf/internal/impl.(*MessageInfo).makeKnownFieldsFunc(0xc000d9a140,
0xffffffffffffffff, 0xffffffffffffffff, 0x80, 0xffffffffffffffff,
0xc001fb7ad0, 0xc001fb7b00, 0xc001fb7b30, 0xc001fb7b60)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/internal/impl/message_reflect.go:61
+0x673
google.golang.org/protobuf/internal/impl.(*MessageInfo).makeReflectFuncs(0xc000d9a140,
0x32859e0, 0x2d16600, 0xffffffffffffffff, 0xffffffffffffffff, 0x80,
0xffffffffffffffff, 0xc001fb7ad0, 0xc001fb7b00, 0xc001fb7b30, ...)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/internal/impl/message_reflect.go:36
+0x63
google.golang.org/protobuf/internal/impl.(*MessageInfo).initOnce(0xc000d9a140)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/internal/impl/message.go:90
+0x19c
google.golang.org/protobuf/internal/impl.(*MessageInfo).init(0xc000d9a140)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/internal/impl/message.go:72
+0x3c
google.golang.org/protobuf/internal/impl.(*messageReflectWrapper).ProtoMethods(0xc0004563d0,
0x120804b)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/internal/impl/message_reflect_gen.go:150
+0x2f
google.golang.org/protobuf/proto.protoMethods(...)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/proto/proto_methods.go:18
google.golang.org/protobuf/proto.sizeMessage(0x327da60, 0xc0004563d0,
0xc0004563d0)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/proto/size.go:30
+0x35
google.golang.org/protobuf/proto.MarshalOptions.Size(0x2000000, 0x31e9c80,
0xc0004563d0, 0x31e9c80)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/proto/size.go:26
+0x4e
google.golang.org/protobuf/proto.Size(...)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/proto/size.go:16
google.golang.org/protobuf/internal/impl.sizeMessageSlice(0xc001fb7a70,
0x32859e0, 0x2cbdf40, 0x1, 0x2d43700, 0x2ad9e00)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/internal/impl/codec_field.go:526
+0xbb
google.golang.org/protobuf/internal/impl.makeMessageSliceFieldCoder.func1(0xc001fb7a70,
0xc00191ac60, 0x2e4800, 0x2ad9e00)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/internal/impl/codec_field.go:452
+0x54
google.golang.org/protobuf/internal/impl.(*MessageInfo).sizePointerSlow(0xc000d9a3c0,
0xc001fb7a70, 0x5054d00, 0x0)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/internal/impl/encode.go:79
+0xbe
google.golang.org/protobuf/internal/impl.(*MessageInfo).sizePointer(0xc000d9a3c0,
0xc001fb7a70, 0x2ad9e00, 0xc001fb7a70)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/internal/impl/encode.go:56
+0x7
google.golang.org/protobuf/internal/impl.(*MessageInfo).size(0xc000d9a3c0,
0x327da60, 0xc000456380, 0x1208100, 0xc000d9a3c0)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/internal/impl/encode.go:40
+0x55
google.golang.org/protobuf/proto.MarshalOptions.marshal(0xc000000001, 0x0,
0x0, 0x0, 0x327da60, 0xc000456380, 0xc000456380, 0x327da60, 0xc000456380,
0x2ad9e00, ...)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/proto/encode.go:153
+0x2f6
google.golang.org/protobuf/proto.MarshalOptions.MarshalAppend(0x2000001,
0x0, 0x0, 0x0, 0x31e9c80, 0xc000456380, 0x29dfa40, 0x300db40, 0x2a934e0,
0xc0023eb260, ...)
/Users/purefire/go/pkg/mod/google.golang.org/protobuf@v1.23.0/proto/encode.go:125
+0x98
github.com/golang/protobuf/proto.marshalAppend(0x0, 0x0, 0x0, 0x324fa80,
0xc001fb7a70, 0x324fa00, 0xc001fb7a70, 0x0, 0x0, 0x0, ...)
/Users/purefire/go/pkg/mod/github.com/golang/protobuf@v1.4.2/proto/wire.go:40
+0xbe
github.com/golang/protobuf/proto.Marshal(...)
/Users/purefire/go/pkg/mod/github.com/golang/protobuf@v1.4.2/proto/wire.go:23
...
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