我正在使用操作栏选项卡创建Android应用程序所有代码如果完美但我有片段的替换方法的问题.如何解决这个错误？

系统显示:

FragmentTransaction类型中的方法replace(int,Fragment)不适用于参数(int,Fragment)

StartActivity.java

package com.devlebactionbartab;

import android.net.wifi.p2p.WifiP2pManager.ActionListener;
import android.os.Bundle;
import android.app.ActionBar;
import android.app.ActionBar.Tab;
import android.app.Activity;
import android.app.FragmentTransaction;
import android.drm.DrmStore.Action;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.view.Menu;

public class StartActivity extends FragmentActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_start);


        ActionBar actionbar  = getActionBar();
        actionbar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
        actionbar.setTitle("Tabbed Layout");


        ActionBar.Tab Frag1Tab = actionbar.newTab().setText("Fragment1");
        ActionBar.Tab Frag2Tab = actionbar.newTab().setText("Fragment2");
        ActionBar.Tab Frag3Tab = actionbar.newTab().setText("Fragment3");
        ActionBar.Tab Frag4Tab = actionbar.newTab().setText("Fragment4");

        Fragment fragment1 = new Fragment_1();
        Fragment fragment2 = new Fragment_2();
        Fragment fragment3 = new Fragment_3();
        Fragment fragment4 …

我已经安装了wamp服务器 ,我工作得很好,但现在我尝试打开phpMyAdmin, 但服务器显示此错误

**错误MySQL说:文档

2002年 - 无法建立连接,因为目标机器主动拒绝它.

服务器没有响应(或者本地服务器的套接字没有正确配置).**任何人都可以帮助我????

mysql.log

130816 10:30:30 [Note] Plugin 'FEDERATED' is disabled.
130816 10:30:30 InnoDB: The InnoDB memory heap is disabled
130816 10:30:30 InnoDB: Mutexes and rw_locks use Windows interlocked functions
130816 10:30:30 InnoDB: Compressed tables use zlib 1.2.3
130816 10:30:30 InnoDB: Initializing buffer pool, size = 128.0M
130816 10:30:30 InnoDB: Completed initialization of buffer pool
130816 10:30:30 InnoDB: highest supported file format is Barracuda.
130816 10:30:32  InnoDB: Waiting for the background threads to …