feat: optimize logx print error (#3649)

core/logx/writer.go

@@ -7,10 +7,13 @@ import (
 	"io"
 	"log"
 	"path"
+	"reflect"
+	"runtime/debug"
 	"sync"
 	"sync/atomic"
 
 	fatihcolor "github.com/fatih/color"
+
 	"github.com/zeromicro/go-zero/core/color"
 )
 
@@ -332,7 +335,7 @@ func wrapLevelWithColor(level string) string {
 
 func writeJson(writer io.Writer, info any) {
 	if content, err := json.Marshal(info); err != nil {
-		log.Println(err.Error())
+		log.Printf("err: %s, type: %s\n\n%s\n", err.Error(), reflect.TypeOf(info).Name(), debug.Stack())
 	} else if writer == nil {
 		log.Println(string(content))
 	} else {
@@ -384,7 +387,7 @@ func writePlainValue(writer io.Writer, level string, val any, fields ...string)
 	buf.WriteString(level)
 	buf.WriteByte(plainEncodingSep)
 	if err := json.NewEncoder(&buf).Encode(val); err != nil {
-		log.Println(err.Error())
+		log.Printf("err: %s, type: %s\n\n%s\n", err.Error(), reflect.TypeOf(val).Name(), debug.Stack())
 		return
 	}
 

core/logx/writer_test.go

@@ -129,6 +129,15 @@ func TestWriteJson(t *testing.T) {
 	buf.Reset()
 	writeJson(nil, make(chan int))
 	assert.Contains(t, buf.String(), "unsupported type")
+
+	buf.Reset()
+	type C struct {
+		RC func()
+	}
+	writeJson(nil, C{
+		RC: func() {},
+	})
+	assert.Contains(t, buf.String(), "runtime/debug.Stack")
 }
 
 func TestWritePlainAny(t *testing.T) {
@@ -165,6 +174,14 @@ func TestWritePlainAny(t *testing.T) {
 	writePlainAny(hardToWriteWriter{}, levelFatal, "foo")
 	assert.Contains(t, buf.String(), "write error")
 
+	buf.Reset()
+	type C struct {
+		RC func()
+	}
+	writePlainAny(nil, levelError, C{
+		RC: func() {},
+	})
+	assert.Contains(t, buf.String(), "runtime/debug.Stack")
 }
 
 func TestLogWithLimitContentLength(t *testing.T) {