3 files changed, 10 insertions, 6 deletions
diff --git a/go/operation/chunked_file.go b/go/operation/chunked_file.go
index 70564cbd2..786b8a989 100644
--- a/go/operation/chunked_file.go
+++ b/go/operation/chunked_file.go
@@ -74,7 +74,7 @@ func (cm *ChunkManifest) DeleteChunks(master string) error {
 	for _, ci := range cm.Chunks {
 		if e := DeleteFile(master, ci.Fid, ""); e != nil {
 			deleteError++
-			glog.V(0).Infof("Delete %s error: %s, master: %s", ci.Fid, e.Error(), master)
+			glog.V(0).Infof("Delete %s error: %v, master: %s", ci.Fid, e, master)
 		}
 	}
 	if deleteError > 0 {
diff --git a/go/operation/delete_content.go b/go/operation/delete_content.go
index 32ad69b17..c808cc75a 100644
--- a/go/operation/delete_content.go
+++ b/go/operation/delete_content.go
@@ -3,6 +3,7 @@ package operation
 import (
 	"encoding/json"
 	"errors"
+	"fmt"
 	"net/url"
 	"strings"
 	"sync"
@@ -23,9 +24,13 @@ type DeleteResult struct {
 func DeleteFile(master string, fileId string, jwt security.EncodedJwt) error {
 	fileUrl, err := LookupFileId(master, fileId)
 	if err != nil {
-		return err
+		return fmt.Errorf("Failed to lookup %s:%v", fileId, err)
 	}
-	return util.Delete(fileUrl, jwt)
+	err = util.Delete(fileUrl, jwt)
+	if err != nil {
+		return fmt.Errorf("Failed to delete %s:%v", fileUrl, err)
+	}
+	return nil
 }
 
 func ParseFileId(fid string) (vid string, key_cookie string, err error) {
diff --git a/go/operation/submit.go b/go/operation/submit.go
index d996d63f0..18484680a 100644
--- a/go/operation/submit.go
+++ b/go/operation/submit.go
@@ -4,13 +4,12 @@ import (
 	"bytes"
 	"io"
 	"mime"
+	"net/url"
 	"os"
 	"path"
 	"strconv"
 	"strings"
 
-	"net/url"
-
 	"github.com/chrislusf/seaweedfs/go/glog"
 	"github.com/chrislusf/seaweedfs/go/security"
 )
@@ -188,7 +187,7 @@ func upload_chunked_file_manifest(fileUrl string, manifest *ChunkManifest, jwt s
 	glog.V(4).Info("Uploading chunks manifest ", manifest.Name, " to ", fileUrl, "...")
 	u, _ := url.Parse(fileUrl)
 	q := u.Query()
-	q.Set("cm", "1")
+	q.Set("cm", "true")
 	u.RawQuery = q.Encode()
 	_, e = Upload(u.String(), manifest.Name, bufReader, false, "application/json", jwt)
 	return e