} catch (final Exception e) {
                final StringBuilder buf = createStringBuffer(keyObj, getCurrentTimeMillis());
                buf.append('\t').append("action:begin");
                buf.append('\t').append("error:").append(escapeValue(e.getLocalizedMessage()).replaceAll("\\s", " "));
                log(buf);
            }
        });
    }

    /**

        builder.append("type:").append(getType());
        builder.append('{');

        Iterator<Map.Entry<String, RequirementMatcher>> providesIter =
                provides.entrySet().iterator();
        while (providesIter.hasNext()) {
            Map.Entry<String, RequirementMatcher> provideEntry = providesIter.next();

    public String toString() {
        StringBuilder buffer = new StringBuilder(128);

        buffer.append('[').append(getSeverity()).append("] ");
        buffer.append(getMessage());
        String location = getLocation();
        if (!location.isEmpty()) {
            buffer.append(" @ ");
            buffer.append(location);
        }

        return buffer.toString();
    }

	// map header, size 14
	// string "ReplicatedSize"
	o = append(o, 0x8e, 0xae, 0x52, 0x65, 0x70, 0x6c, 0x69, 0x63, 0x61, 0x74, 0x65, 0x64, 0x53, 0x69, 0x7a, 0x65)
	o = msgp.AppendInt64(o, z.ReplicatedSize)
	// string "ReplicaSize"
	o = append(o, 0xab, 0x52, 0x65, 0x70, 0x6c, 0x69, 0x63, 0x61, 0x53, 0x69, 0x7a, 0x65)
	o = msgp.AppendInt64(o, z.ReplicaSize)
	// string "FailStats"
	o = append(o, 0xa9, 0x46, 0x61, 0x69, 0x6c, 0x53, 0x74, 0x61, 0x74, 0x73)

	txCtx.Create(&user)

	var result1 User
	if err := txCtx.Find(&result1, user.ID).Error; err != nil {
		t.Fatalf("no error should happen but got %v", err)
	}

	time.Sleep(time.Second)

	var result2 User
	if err := tx.Find(&result2, user.ID).Error; err != nil {
		t.Fatalf("no error should happen but got %v", err)
	}

	user2 := *GetUser("prepared_stmt2", Config{})
	if err := txCtx.Create(&user2).Error; err == nil {

			// should not happen
			t.Fatal(err)
		}
		tt.f(reader)
		err := reader.UnreadRune()
		if err == nil {
			t.Errorf("Unreading after %s: expected error", tt.name)
		}
	}
}

func TestReaderDoubleUnreadRune(t *testing.T) {
	buf := NewBuffer([]byte("groucho"))
	if _, _, err := buf.ReadRune(); err != nil {
		// should not happen
		t.Fatal(err)
	}

            buf.append(".html\">File ");
            buf.append(count);
            buf.append("-");
            buf.append(i);
            buf.append("</a><br>");
            buf.append("<a href=\"dir");
            buf.append(count);
            buf.append("-");
            buf.append(i);
            buf.append("/index.html\">Dir ");
            buf.append(count);
            buf.append("-");

	// map header, size 9
	// string "Name"
	o = append(o, 0x89, 0xa4, 0x4e, 0x61, 0x6d, 0x65)
	o = msgp.AppendString(o, z.Name)
	// string "Writer"
	o = append(o, 0xa6, 0x57, 0x72, 0x69, 0x74, 0x65, 0x72)
	o = msgp.AppendBool(o, z.Writer)
	// string "UID"
	o = append(o, 0xa3, 0x55, 0x49, 0x44)
	o = msgp.AppendString(o, z.UID)
	// string "Timestamp"
	o = append(o, 0xa9, 0x54, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70)

				switch result.Kind() {
				case reflect.Struct:
					reflectResults = reflect.Append(reflectResults, result.Addr())
				case reflect.Slice, reflect.Array:
					for i := 0; i < result.Len(); i++ {
						if elem := result.Index(i); elem.Kind() == reflect.Ptr {
							reflectResults = reflect.Append(reflectResults, elem)
						} else {
							reflectResults = reflect.Append(reflectResults, elem.Addr())
						}
					}
				}
			}
		}

        output.append("================================================================================\n");
        output.append(name + " " + type + "\n");
        output.append("================================================================================\n");
        output.append(text);
        output.append("\n\n");
    }

    public File getInputFile() {