return err
	}
	switch u.Scheme {
	case "ws", "wss", "tcp", "ssl", "tls", "tcps":
	default:
		return errors.New("unknown protocol in broker address")
	}
	if m.QueueDir != "" {
		if !filepath.IsAbs(m.QueueDir) {
			return errors.New("queueDir path should be absolute")
		}
		if m.QoS == 0 {
			return errors.New("qos should be set to 1 or 2 if queueDir is set")
		}
	}

	return nil
}

	if actualErr != nil && testCase.shouldPass {
		t.Errorf("Test %d: %s: Expected to pass, but failed with: <ERROR> %s.", len(testCases)+1, instanceType, actualErr.Error())
	}
	// Failed as expected, but does it fail for the expected reason.
	if actualErr != nil && !testCase.shouldPass {
		if !errors.Is(actualErr, testCase.expectedError) {

					return entries, nil
				}
			} else {
				err = fmt.Errorf("invalid pool/set")
				o.pool, o.set = 0, 0
			}
		}
		if IsErr(err, []error{
			nil,
			context.Canceled,
			context.DeadlineExceeded,
			// io.EOF is expected and should be returned but no need to log it.
			io.EOF,
		}...) {
			// Expected good errors we don't need to return error.
			return entries, err
		}

		return errors.New("username and password must be specified as a pair")
	}

	if n.Streaming.Enable {
		if n.Streaming.ClusterID == "" {
			return errors.New("empty cluster id")
		}
	}

	if n.JetStream.Enable {
		if n.Subject == "" {
			return errors.New("empty subject")
		}
	}

	if n.QueueDir != "" {
		if !filepath.IsAbs(n.QueueDir) {

				retryWait()
				continue
			}
			// Allow one fast retry for other errors.
			if retries > 0 {
				return entries, fmt.Errorf("reading first part metadata: %v", err)
			}
			retryWait()
			continue
		}

		partN, err := o.findFirstPart(fi)
		switch {
		case err == nil:
		case errors.Is(err, io.ErrUnexpectedEOF):
			if retries == 10 {
				err := o.checkMetacacheState(ctx, rpc)

package cmd

import (
	"context"
	"errors"
	"fmt"
	"sort"
	"strconv"
	"sync/atomic"
	"time"

	"github.com/minio/madmin-go/v3"
	"github.com/minio/minio/internal/grid"
	"github.com/minio/pkg/v3/sync/errgroup"
	"golang.org/x/exp/slices"
)

var errPeerOffline = errors.New("peer is offline")

type peerS3Client interface {

			diag = true
			log.Printf(format, args...)
		}
		if *flags.SymABIs {
			ok = parser.ParseSymABIs(buf)
		} else {
			pList := new(obj.Plist)
			pList.Firstpc, ok = parser.Parse()
			// reports errors to parser.Errorf
			if ok {
				obj.Flushplist(ctxt, pList, nil)
			}
		}
		if !ok {
			failedFile = f
			break
		}
	}
	if ok && !*flags.SymABIs {
		ctxt.NumberSyms()

						continue
					}
					err = fmt.Errorf("unexpected json type below root :%v", typ)
					r.err = &err
					return
				}

				o, err := obj.Object(&tmpObj)
				if err != nil {
					r.err = &err
					return
				}
				select {
				case <-r.exitReader:
					return
				case r.decoded <- *o:
				}
			default:
				err = fmt.Errorf("unexpected root json type:%v", typ)
				r.err = &err

		if !disk.IsOnline() {
			continue
		}
		uploadIDs, err = disk.ListDir(ctx, bucket, minioMetaMultipartBucket, er.getMultipartSHADir(bucket, object), -1)
		if err != nil {
			if errors.Is(err, errDiskNotFound) {
				continue
			}
			if errors.Is(err, errFileNotFound) {
				return result, nil
			}
			return result, toObjectErr(err, bucket, object)
		}
		break
	}

	for i := range uploadIDs {

				if err := tx2.First(&User{}, "name = ?", user2.Name).Error; err != nil {
					t.Fatalf("Should find saved record")
				}

				return errors.New("inner rollback")
			}); err == nil {
				t.Fatalf("nested transaction has no error")
			}

			return errors.New("rollback")
		}); err == nil {
			t.Fatalf("nested transaction should returns error")
		}