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I am getting the captured error log as below

Warning: simplexml_load_string(): ><useccv>0</useccv><min_order_total/><max_order_total/><sort_order/><min_order_t in D:\wamp\www\premo_core\lib\Varien\Simplexml\Config.php on line 384

I am not sure which of my changes produced this error because I am getting this error since last one month? So I am unable to find which config file has error.

Edit:

I am trying to debug it by myself and below is my observation.

  1. I am just cleaning the cache folder and refresh the home page on my browser. At this time I have no parse error in system.log
  2. Without clearing the cache folder again I am refreshing the page. At this time above said error is being captured.

From the above observation I understood that there is a problem while loading the configuration from cache.

In \lib\Varien\Simplexml\config.xml configuration file under loadCache() method I made changes as below

public function loadCache()
    {
        if (!$this->validateCacheChecksum()) {
            return false;
        }

        /*$xmlString = $this->_loadCache($this->getCacheId());
        $xml = simplexml_load_string($xmlString, $this->_elementClass);
        echo '<pre>'; print_r($xml);die;
        if ($xml) {
            $this->_xml = $xml;
            $this->setCacheSaved(true);
            return true;
        }*/

        return false;
    }

Means, I just restricted to load from cache just reading the config file every time. Now I am not getting the error. But loading time increased since every time it read all file.

Also, I referred Warning: simplexml_load_string() [<a href='function.simplexml-load-string'>function.simplexml-load-string</a>] and tried trouble shoot.

I got below error

/core/Mage/Sales/etc/wsdl.xml:2: namespace error : xmlns:typens: 'urn:{{var wsdl.name}}' is not a valid URI

Can someone suggest now?

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You have using any 3rd party payment gateways which is create this issue.

You need to check at config.xml files of all 3rd extensions.In those config.xml files , have a syntax issue at code <useccv>0</useccv><min_order_total/>you need to fix that.

  • Thats what I am wondering too, When I search throughout the folder on my local and community code pool, I cant find anything like this – Butterfly Apr 24 '16 at 11:35
  • then may at core modules – Amit Bera Apr 24 '16 at 11:37
  • I never change any core file, Anyway I will check it once, – Butterfly Apr 24 '16 at 11:38
  • I checked it once again, But I cant find anything. Is there a way to find which modules xml file has issue? – Butterfly Apr 24 '16 at 11:44
  • Also check at system. Xml – Amit Bera Apr 24 '16 at 12:02
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The Linux OS environment has a developer tool, xmllint that can be used to find issues like this. Strain the .xml files you've modified through it and it finds this stuff really quickly.

Check to see if there are Gnu or .git tools available for Windows that will port this over to your development environment or test on your live Linux Staging server.

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Finally I found answer for my question.

I have a custom payment gateway. One of it config value has been saved in core_config_data table with a special character as ~. I am not sure how did the character came into th path field in core_config_data table.

After I deleted the record manually error has gone away.

At last, this is my first question I didn't get ant relevant answer from community.

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