PHP程序安装报错，怎么解决，求教

PHP程序安装报错，怎么解决，求教

主页index.php代码如下：

PHP code?

require 'lib/core/DBAccess.class';
require 'lib/core/Object.class';
require 'action/default/WebBase.class.php';
require 'action/default/WebLoginBase.class.php';

require 'config.php';

//print_r($_SERVER);exit;
$para=array();

if(isset($_SERVER['PATH_INFO'])){
$para=explode('/', substr($_SERVER['PATH_INFO'],1));
if($control=array_shift($para)){
if(count($para)){
$action=array_shift($para);
}else{
$action=$control;
$control='index';
}
}else{
$control='index';
$action='main';
}
}else{
$control='index';
$action='main';
}
$control=ucfirst($control);

if(strpos($action,'-')!==false){
list($action, $page)=explode('-',$action);
}

$file=$conf['action']['modals'].$control.'.class.php';

if(!is_file($file)) notfound('找不到控制器');
try{
require $file;
}catch(Exception $e){
print_r($e);
exit;
}

if(!class_exists($control)) notfound('找不到控制器1');
$jms=new $control($conf['db']['dsn'], $conf['db']['user'], $conf['db']['password']);
$jms->debugLevel=$conf['debug']['level'];

if(!method_exists($jms, $action)) notfound('方法不存在');
$reflection=new ReflectionMethod($jms, $action);
if($reflection->isStatic()) notfound('不允许调用Static修饰的方法');
if(!$reflection->isFinal()) notfound('只能调用final修饰的方法');

$jms->controller=$control;
$jms->action=$action;

$jms->charset=$conf['db']['charset'];
$jms->cacheDir=$conf['cache']['dir'];
$jms->setCacheDir($conf['cache']['dir']);
$jms->actionTemplate=$conf['action']['template'];
$jms->prename=$conf['db']['prename'];
$jms->title=$conf['web']['title'];
if(method_exists($jms, 'getSystemSettings')) $jms->getSystemSettings();

if($jms->settings['switchWeb']=='0'){
$jms->display('close-service.php');
exit;
}

if(isset($page)) $jms->page=$page;

if($q=$_SERVER['QUERY_STRING']){
$para=array_merge($para, explode('/', $q));
}

if($para==null) $para=array();

$jms->headers=getallheaders();
if(isset($jms->headers['x-call'])){
// 函数调用
header('content-Type: application/json');
try{
ob_start();
echo json_encode($reflection->invokeArgs($jms, $_POST));
ob_flush();
}catch(Exception $e){
$jms->error($e->getMessage(), true);
}
}elseif(isset($jms->headers['x-form-call'])){

// 表单调用
$accept=strpos($jms->headers['Accept'], 'application/json')===0;
if($accept) header('content-Type: application/json');
try{
ob_start();
if($accept){
echo json_encode($reflection->invokeArgs($jms, $_POST));
}else{
json_encode($reflection->invokeArgs($jms, $_POST));
}
ob_flush();
}catch(Exception $e){
$jms->error($e->getMessage(), true);
}
}elseif(strpos($jms->headers['Accept'], 'application/json')===0){
// AJAX调用
header('content-Type: application/json');
try{

//echo json_encode($reflection->invokeArgs($jms, $para));
echo json_encode(call_user_func_array(array($jms, $action), $para));
}catch(Exception $e){
$jms->error($e->getmessage());
}
}else{
// 普通请求
header('content-Type: text/html;charset=utf-8');
//$reflection->invokeArgs($jms, $para);
call_user_func_array(array($jms, $action), $para);
}
$jms=null;

function notfound($message){
header('content-Type: text/plain; charset=utf8');
header('HTTP/1.1 404 Not Found');
die($message);
}

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