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  • How do I debug a cluster running Microsoft server 2003?

    - by alcor
    I'm sole developer of a complex critical software system, written in Visual C++ 2005. It's deployed on a classical Microsoft cluster scenario (active/passive), that has Windows Server 2003 R2. If a server A goes down, the other one (B) starts and take the ownership of its duties. You have to know that: Both servers have the same Microsoft patches/fixes, same hardware, same everything. Both servers use the same memory storage (a RAID-6 through fiber channel). This software has a main module that launches the peripheral modules. if a peripheral module crashes, the main module restarts it. When I switch the application in one of the two servers (let's say the B server) two of the peripheral modules of the main applications just started to crash apparently without reason about 2 seconds after the start of the peripheral module. What could I do to analyze/inspect/resolve this weird situation?

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  • I need advice on how to debug a cluster

    - by alcor
    I'm the only developer of a complex critical software system, written in Visual C++ 2005. It's deployed on a classical Microsoft cluster scenario (active/passive), that has Windows Server 2003 R2. If a server A goes down, the other one (B) starts and take the ownership of its duties. You have to know that: both servers have the same Microsoft patches/fixes, same hardware, same everything. both servers use the same memory storage (a RAID-6 through fiber channel). this software has a main module who launch the peripheral modules. if a peripheral module crashes, the main module restarts it. When I switch the application in one of the two servers (let's say the B server) two of the peripheral modules of the main applications just started to crash apparently without reason about 2 seconds after the start of the peripheral module. What could I do to analyze/inspect/resolve this weird situation?

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  • For nodejs what are best design practices for native modules which share dependencies?

    - by Mark Essel
    Hypothetical situation, I have 3 node modules all native, A, B, and C.  A is a utilities module which exposes several functions to javascript through the node interface, in addition it declares/defines a rich set of native structures and functions B is a module which is dependent on data structures and source in A, it exposes some functions to javascript, in addition it declares/defines native structures and functions C is a module which is dependent on data structures and source in A & B, it exploses some functions to javascript, in addition it declares/defines native structures and functions So far when setting up these modules I have a preinstall script to install other dependent includes, but in order to access all of another modules source what is the best way to link to it's share library object (*.node) ? Is there an alternative best practice for native modules (such as installing all source from other modules before building that single module)? Reply

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  • How should dependencies be managed across a modular application?

    - by bear
    Let's say that we have a structure like this: Application -- Modules --Module1 -- Controller -- PublicHelper --Module2 -- Controller -- PublicHelper Whereby a module's Public Helper can provide helper functions. In nearly every module helper, the helper needs to access another module's public helper methods. Let's say for instance, in a PHP application: Module1 provides functionality to create a sale, and as part of the class Module1PublicHelper extends AbstractModuleHelper { public function createSale($customerId, $param, $param) { $userPublicHelper = // grab an instance of the user public helper $currentUser = $userPublicHelper->getCurrentUser(); } } class Module2PublicHelper extends AbstractModuleHelper { public function getCurrentUser() { //do something return $user; } } In this situation, the method needs to obtain an instance, either new or whatever of the user public helper. Given that all of Module Public Helper classes are instantiated with a minimum set of constructor params, e.g. EntityManager, what would be the best way to get a copy of it? Obviously, we can't really inject the user public helper class into the class containing createSale One solution would be to use a service locator or registry, however, testing the application isn't exactly easy.

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  • Magento My Account Layout XML Problem

    - by Remy
    Hi there, I'm having issues getting the customer.xml layout file to work properly for the customer's "my account" pages. The navigation links and the previously ordered items that are usually on the left hand side of the page won't show up on the page, but if I change the reference name to "content" in the xml file, it shows up (except it's obviously then on the right hand side). I've checked the template it's referencing (2columns-left.phtml), and the getChildHtml('left') is there in the correct position. The block that's causing the problem: <customer_account> <!-- Mage_Customer --> <reference name="root"> <action method="setTemplate"><template>page/2columns-left.phtml</template></action> </reference> <reference name="left"> <action method="unsetChild"><name>catalog.navigation.all</name></action> <action method="unsetChild"><name>callout.sendcard</name></action> <action method="unsetChild"><name>callout.specialorder</name></action> <block type="customer/account_navigation" name="customer_account_navigation" before="-" template="customer/account/navigation.phtml"> <action method="addLink" translate="label" module="customer"><name>account</name><path>customer/account/</path><label>Account Dashboard</label></action> <action method="addLink" translate="label" module="customer"><name>account_edit</name><path>customer/account/edit/</path><label>Account Information</label></action> <action method="addLink" translate="label" module="customer"><name>address_book</name><path>customer/address/</path><label>Address Book</label></action> </block> <block type="sales/reorder_sidebar" name="sale.reorder.sidebar" as="reorder" template="sales/reorder/sidebar.phtml"/> <remove name="tags_popular"/> </reference> </customer_account> This was basically copied straight over from another one of our sites where this works 100%. I've tried everything I can think of (changing the name of the reference in both the template and the layout xml, for example) to no avail. The templates that the layout is referencing are obviously working because they do show up when put into the "content" area. This installation of magento is version 1.3.1.1. I appreciate any advice you have to give me... *Update: I tried changing the reference to "global_messages", and it doesn't show there either. It only seems to work in the "content" section.* Update 2: These are the results of using the "showLayout=page" query string on the page when used with Alan Storm's very handy debugging module (which you'll find in his answer below). <?xml version="1.0"?> <layout><block type="page/html" name="root" output="toHtml" template="page/3columns.phtml"> <block type="page/html_head" name="head" as="head"> <action method="addJs"> <script>prototype/prototype.js</script> </action> <action method="addJs"> <script>prototype/validation.js</script> </action> <action method="addJs"> <script>paypoint/validation.js</script> </action> <action method="addJs"> <script>scriptaculous/builder.js</script> </action> <action method="addJs"> <script>scriptaculous/effects.js</script> </action> <action method="addJs"> <script>scriptaculous/dragdrop.js</script> </action> <action method="addJs"> <script>scriptaculous/controls.js</script> </action> <action method="addJs"> <script>scriptaculous/slider.js</script> </action> <action method="addJs"> <script>varien/js.js</script> </action> <action method="addJs"> <script>varien/form.js</script> </action> <action method="addJs"> <script>varien/menu.js</script> </action> <action method="addJs"> <script>mage/translate.js</script> </action> <action method="addJs"> <script>mage/cookies.js</script> </action> <action method="addCss"> <stylesheet>css/reset.css</stylesheet> </action> <action method="addCss"> <stylesheet>css/boxes.css</stylesheet> </action> <action method="addCss"> <stylesheet>css/clears.css</stylesheet> </action> <action method="addCss"> <stylesheet>css/menu.css</stylesheet> </action> <action method="addCss"> <stylesheet>css/calendar-blue.css</stylesheet> </action> <action method="addCss"> <stylesheet>css/styles.css</stylesheet> </action> <action method="addItem"> <type>skin_css</type> <name>css/iestyles.css</name> <params/> <if>IE</if> </action> <action method="addItem"> <type>skin_css</type> <name>css/ie7.css</name> <params/> <if>IE 7</if> </action> <action method="addItem"> <type>skin_css</type> <name>css/ie7minus.css</name> <params/> <if>lt IE 7</if> </action> <action method="addItem"> <type>js</type> <name>lib/ds-sleight.js</name> <params/> <if>lt IE 7</if> </action> <action method="addItem"> <type>js</type> <name>varien/iehover-fix.js</name> <params/> <if>lt IE 7</if> </action> <action method="addCss"> <stylesheet>css/print.css</stylesheet> <params>media="print"</params> </action> </block> <block type="page/html_header" name="header" as="header"> <block type="page/template_links" name="top.links" as="topLinks"/> <block type="page/switch" name="store_language" as="store_language" template="page/switch/languages.phtml"/> <block type="core/template" name="top.nav" template="page/html/top.nav.phtml"/> </block> <block type="core/messages" name="global_messages" as="global_messages"/> <block type="core/messages" name="messages" as="messages"/> <block type="core/text_list" name="content" as="content"/> <block type="core/text_list" name="right" as="right"/> <block type="page/html_footer" name="footer" as="footer" template="page/html/footer.phtml"/> <block type="core/text_list" name="before_body_end" as="before_body_end"/> </block> <block type="core/profiler" output="toHtml"/> <reference name="top.links"> <action method="addLink" translate="label title" module="customer"> <label>My Account</label> <url helper="customer/getAccountUrl"/> <title>My Account</title> <prepare/> <urlParams/> <position>10</position> </action> </reference> <reference name="root"> <action method="setTemplate"> <template>page/2columns-left.phtml</template> </action> </reference> <reference name="top.menu"> <block type="catalog/navigation" name="catalog.topnav" template="catalog/navigation/top.phtml"/> </reference> <reference name="footer_links"> <action method="addLink" translate="label title" module="catalog" ifconfig="catalog/seo/site_map"> <label>Site Map</label> <url helper="catalog/map/getCategoryUrl"/> <title>Site Map</title> </action> </reference> <reference name="footer_links"> <action method="addLink" translate="label title" module="catalogsearch" ifconfig="catalog/seo/search_terms"> <label>Search Terms</label> <url helper="catalogsearch/getSearchTermUrl"/> <title>Search Terms</title> </action> <action method="addLink" translate="label title" module="catalogsearch"> <label>Advanced Search</label> <url helper="catalogsearch/getAdvancedSearchUrl"/> <title>Advanced Search</title> </action> </reference> <reference name="top.links"> <block type="checkout/links" name="checkout_cart_link"> <action method="addCartLink"/> <action method="addCheckoutLink"/> </block> </reference> <reference name="footer"> <block type="cms/block" name="cms_footer_links" before="footer_links"> <action method="setBlockId"> <block_id>footer_links</block_id> </action> </block> </reference> <reference name="left"> <block type="tag/popular" name="tags_popular" template="tag/popular.phtm" ignore="1"> <action method="setTemplate"> <template>tag/popular.phtml</template> </action> </block> </reference> <reference name="left"> </reference> <reference name="before_body_end"> <block type="googleanalytics/ga" name="google_analytics" as="google_analytics"/> </reference> <reference name="footer_links"> <action method="addLink" translate="label title" module="contacts" ifconfig="contacts/contacts/enabled"> <label>Contact Us</label> <url>contact-us</url> <title>Contact Us</title> <prepare>true</prepare> </action> </reference> <reference name="footer_links"> <action method="addLink" translate="label title" module="rss" ifconfig="rss/config/active"> <label>RSS</label> <url>rss</url> <title>RSS testing</title> <prepare>true</prepare> <urlParams/> <position/> <li/> <a>class="link-feed"</a> </action> </reference> <reference name="wishlist_sidebar"> <action method="addPriceBlockType"> <type>bundle</type> <block>bundle/catalog_product_price</block> <template>bundle/catalog/product/price.phtml</template> </action> </reference> <reference name="cart_sidebar"> <action method="addItemRender"> <type>bundle</type> <block>bundle/checkout_cart_item_renderer</block> <template>checkout/cart/sidebar/default.phtml</template> </action> </reference> <reference name="root"> <action method="setTemplate"> <template>page/2columns-left.phtml</template> </action> </reference> <reference name="left"> <action method="unsetChild"> <name>catalog.navigation.all</name> </action> <action method="unsetChild"> <name>callout.sendcard</name> </action> <action method="unsetChild"> <name>callout.specialorder</name> </action> <block type="customer/account_navigation" name="customer_account_navigation" before="-" template="customer/account/navigation.phtml"> <action method="addLink" translate="label" module="customer"> <name>account</name> <path>customer/account/</path> <label>Account Dashboard</label> </action> <action method="addLink" translate="label" module="customer"> <name>account_edit</name> <path>customer/account/edit/</path> <label>Account Information</label> </action> <action method="addLink" translate="label" module="customer"> <name>address_book</name> <path>customer/address/</path> <label>Address Book</label> </action> </block> <block type="sales/reorder_sidebar" name="sale.reorder.sidebar" as="reorder" template="sales/reorder/sidebar.phtml"/> <remove name="tags_popular"/> </reference> <reference name="customer_account_navigation"> <action method="addLink" translate="label" module="sales"> <name>orders</name> <path>sales/order/history/</path> <label>My Orders</label> </action> </reference> <reference name="customer_account_navigation"> <action method="addLink" translate="label" module="tag"> <name>tags</name> <path>tag/customer/</path> <label>My Tags</label> </action> </reference> <reference name="customer_account_navigation"> <action method="addLink" translate="label" module="newsletter"> <name>newsletter</name> <path>newsletter/manage/</path> <label>Newsletter Subscriptions</label> </action> </reference> <reference name="cart_sidebar"> <action method="addItemRender"> <type>bundle</type> <block>bundle/checkout_cart_item_renderer</block> <template>checkout/cart/sidebar/default.phtml</template> </action> </reference> <update handle="customer_account"/> <reference name="content"> <block type="customer/account_dashboard" name="customer_account_dashboard" template="customer/account/dashboard.phtml"> <block type="customer/account_dashboard_hello" name="customer_account_dashboard_hello" as="hello" template="customer/account/dashboard/hello.phtml"/> <block type="core/template" name="customer_account_dashboard_top" as="top"/> <block type="customer/account_dashboard_info" name="customer_account_dashboard_info" as="info" template="customer/account/dashboard/info.phtml"/> <block type="customer/account_dashboard_newsletter" name="customer_account_dashboard_newsletter" as="newsletter" template="customer/account/dashboard/newsletter.phtml"/> <block type="customer/account_dashboard_address" name="customer_account_dashboard_address" as="address" template="customer/account/dashboard/address.phtml"/> <block type="core/template" name="customer_account_dashboard_info1" as="info1"/> <block type="core/template" name="customer_account_dashboard_info2" as="info2"/> </block> </reference> <reference name="right"> <action method="unsetChild"> <name>catalog_compare_sidebar</name> </action> </reference> <reference name="customer_account_dashboard"> <action method="unsetChild"> <name>top</name> </action> <block type="sales/order_recent" name="customer_account_dashboard_top" as="top" template="sales/order/recent.phtml"/> </reference> <reference name="right"> <action method="unsetChild"> <name>right.poll</name> </action> </reference> <reference name="customer_account_dashboard"> <action method="unsetChild"> <name>customer_account_dashboard_info2</name> </action> <block type="tag/customer_recent" name="customer_account_dashboard_info2" as="info2" template="tag/customer/recent.phtml"/> </reference> <reference name="right"> <action method="unsetChild"> <name>right.newsletter</name> </action> </reference> <reference name="top.links"> <action method="addLink" translate="label title" module="customer"> <label>Log Out</label> <url helper="customer/getLogoutUrl"/> <title>Log Out</title> <prepare/> <urlParams/> <position>100</position> </action> </reference></layout>

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  • PHP extensions won't load on Apache startup

    - by WebDevHobo
    I've added php as a module for Apache 2.2.11: LoadModule php5_module "c:/php/php5apache2_2.dll" And also added AddType application/x-httpd-php .php And in PHP.ini, my extension dir is set to: extension_dir = "C:\php\ext" And yes, the directories are correct and all files do exist. But when I start apache, I get these errors: PHP Warning: PHP Startup: Unable to load dynamic library 'C:\php\ext\php_mysql.dll' - The specified module could not be found.\r\n in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library 'C:\php\ext\php_pdo_pgsql.dll' - The specified module could not be found.\r\n in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library 'C:\php\ext\php_pgsql.dll' - The specified module could not be found.\r\n in Unknown on line 0 [Sun May 17 03:46:01 2009] [notice] Apache/2.2.11 (Win32) PHP/5.2.9-2 configured -- resuming normal operations [Sun May 17 03:46:01 2009] [notice] Server built: Dec 10 2008 00:10:06 [Sun May 17 03:46:01 2009] [notice] Parent: Created child process 4652 PHP Warning: PHP Startup: Unable to load dynamic library 'C:\php\ext\php_mysql.dll' - The specified module could not be found.\r\n in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library 'C:\php\ext\php_pdo_pgsql.dll' - The specified module could not be found.\r\n in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library 'C:\php\ext\php_pgsql.dll' - The specified module could not be found.\r\n in Unknown on line 0 [Sun May 17 03:46:01 2009] [notice] Child 4652: Child process is running [Sun May 17 03:46:01 2009] [notice] Child 4652: Acquired the start mutex. [Sun May 17 03:46:01 2009] [notice] Child 4652: Starting 64 worker threads. [Sun May 17 03:46:01 2009] [notice] Child 4652: Starting thread to listen on port 80. So I'm probably forgetting something simple here, can someone tell me what I'm forgetting?

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  • WPF/SL EventAggregator implementation with durable subscribers behavior?

    - by sha1dy
    Hi. Currently I'm building an application using latest Prism for Silverlight 4. I've a module and in that module I've two views with view models. Also I've a module view with two regions for each view. In module initialization I'm registering my views and view models in Unity container and also register views with corresponding regions. The problem is that views should display something similar to table-detail information - first view shows available entities ans the second view shows detail of selected entity. I need a way how to pass them initial selected entity. Newly created first view doesn't have any selected entity and newly created second view doesn't show any details. Currently I'm doing that this way: In module I create two view models and register them as instances in Unity container and then I register views as types for corresponding regions. Each view subscribes to EntitySelectedEvent from EventAggregator. Module initializer publish this event after initialization and this way two views are selecting the same entity. I know this looks ugly - I tried publishing this event from one of view models but the problems is that EventAggregator in Prism doesn't support durable subscribers - this means that if the second view model didn't subscribe to event before the first view model fired it, it won't receive and event. I know this is a normal behavior of EventAggregator, but I'm looking for a solution when view models can fire events without depending on initialization order of them - that is the first model can fire event before the second model was created and the second model will receive this 'queued' event after subscribing to it. Are there any other messaging implementations for WPF/SL which do support such behavior or using a mediator (in my example it's a module itself) isn't such a bad idea after all? One big problem with mediator is that models must be created right away in initialize and they can't be registered as types in container because this leads again to missing subscribers.

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  • How to handle authenticated user access to resources in document oriented system?

    - by Jeremy Raymond
    I'm developing a document oriented application and need to manage user access to the documents. I have a module that handles user authentication, and another module that handles document CRUD operations on the data store. Once a user is authenticated I need to enforce what operations the user can and cannot perform to documents based upon the user's permissions. The best option I could think of to integrate these two pieces together would be to create another module that duplicates the data API but that also takes the authenticated user as a parameter. The module would delegate the authorization check to the auth module and delegate the document operation to the data access module. Something like: -module(auth_data_access). % User is authenticated (logged into the system) % save_doc validates if user is allowed to save the given document and if so % saves it returning ok, else returns {error, permission_denied} save_doc(Doc, User) -> case auth:save_allowed(Doc, User) of ok -> data_access:save_doc(Doc); denied -> {error, permission_denied} end end. Is there a better way I can handle this?

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  • Spring MVC 3 - How come @ResponseBody method renders a JSTLView?

    - by Ken Chen
    I have mapped one of my method in one Controller to return JSON object by @ResponseBody. @RequestMapping("/{module}/get/{docId}") public @ResponseBody Map<String, ? extends Object> get(@PathVariable String module, @PathVariable String docId) { Criteria criteria = new Criteria("_id", docId); return genericDAO.getUniqueEntity(module, true, criteria); } However, it redirects me to the JSTLView instead. Say, if the {module} is product and {docId} is 2, then in the console I found: DispatcherServlet with name 'xxx' processing POST request for [/xxx/product/get/2] Rendering view [org.springframework.web.servlet.view.JstlView: name 'product/get/2'; URL [/WEB-INF/views/jsp/product/get/2.jsp]] in DispatcherServlet with name 'xxx' How can that be happened? In the same Controller, I have another method similar to this but it's running fine: @RequestMapping("/{module}/list") public @ResponseBody Map<String, ? extends Object> list(@PathVariable String module, @RequestParam MultiValueMap<String, String> params, @RequestParam(value = "page", required = false) Integer pageNumber, @RequestParam(value = "rows", required = false) Integer recordPerPage) { ... return genericDAO.list(module, criterias, orders, pageNumber, recordPerPage); } Above do returns correctly providing me a list of objects I required. Anyone to help me solve the mystery?

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  • Swapping content in a seperate div on hover

    - by Fuego DeBassi
    I feel like this should work: $(".module .one").hover(function() { $("#viewport #one").addClass('red'); }); Basically I am hiding all the .children of "#viewport on load, then when a seperate element is hovered, in this case .module .one I want to change something on the corresponding viewport ID #viewport #one. Basic idea is a variable content window, where when a thumbnail or whatever I put in the modules swaps the content shown in the viewport. Something I am doing wrong? Here is my full code: <script type="text/javascript"> $(document).ready(function() { $(".module .caption").hide(); $("#viewport").children().hide(); $(".module").hover(function() { $(this).find(".caption").slideDown().end().siblings('.module').addClass('under'); },function() { $(this).find(".caption").slideUp().end().siblings('.module').removeClass('under'); }); $(".module .one").hover(function() { $("#viewport #one").addClass('red'); }); }); </script> The bigger hover function in the middle is for some fancy rollover effects that the modules will perform themselves, but for these purposes I just want to figure out why I can't add a Class to a separate element when another is hovered. Would love some help/advice!

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  • Group vs role (Any real difference?)

    - by Ondrej
    Can anyone tell me, what's the real difference between group and role? Ive been trying to figure this out for some time now and the more information I read, the more I get the sence, that this is brought up just to confuse people and there is no proper difference in this. Both can do the other one's job. Ive always used a group to manage users and their access rights. Recently, I've come accross an administration software, where is a bunch of users. Each user can have assigned a module (whole system is split into a few parts called modules ie. Administration module, Survey module, Orders module, Customer module). On top of it, each module have a list of functionalities, that can be allowed or denied for each user. So let's say, a user John Smith can access module Orders and can edit any order, but havent given a right to delete any of them. If there was more users with the same competency, I would use a group to manage that. I would aggregate such users into the same group and assign access rights to modules and their functions to the group. All users in the same group would have the same access rights. Why call it a group and not role? I don't know, I just feel it that way. It seems to me, that simply it just doesnt really matter :] But I still would like to know the real difference. What about you guys? Any suggestions why this should be rather called role than group or the other way round? Thanks to everyone.

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  • Magic Method __set() on a Instantiated Object

    - by streetparade
    Ok i have a problem, sorry if i cant explaint it clear but the code speaks for its self. i have a class which generates objects from a given class name; Say we say the class is Modules: public function name($name) { $this->includeModule($name); try { $module = new ReflectionClass($name); $instance = $module->isInstantiable() ? $module->newInstance() : "Err"; $this->addDelegate($instance); } catch(Exception $e) { Modules::Name("Logger")->log($e->getMessage()); } return $this; } The AddDelegate Method: protected function addDelegate($delegate) { $this->aDelegates[] = $delegate; } The __call Method public function __call($methodName, $parameters) { $delegated = false; foreach ($this->aDelegates as $delegate) { if(class_exists(get_class($delegate))) { if(method_exists($delegate,$methodName)) { $method = new ReflectionMethod(get_class($delegate), $methodName); $function = array($delegate, $methodName); return call_user_func_array($function, $parameters); } } } The __get Method public function __get($property) { foreach($this->aDelegates as $delegate) { if ($delegate->$property !== false) { return $delegate->$property; } } } All this works fine expect the function __set public function __set($property,$value) { //print_r($this->aDelegates); foreach($this->aDelegates as $k=>$delegate) { //print_r($k); //print_r($delegate); if (property_exists($delegate, $property)) { $delegate->$property = $value; } } //$this->addDelegate($delegate); print_r($this->aDelegates); } class tester { public function __set($name,$value) { self::$module->name(self::$name)->__set($name,$value); } } Module::test("logger")->log("test"); // this logs, it works echo Module::test("logger")->path; //prints /home/bla/test/ this is also correct But i cant set any value to class log like this Module::tester("logger")->path ="/home/bla/test/log/"; The path property of class logger is public so its not a problem of protected or private property access. How can i solve this issue? I hope i could explain my problem clear.

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  • Mocking non-virtual methods in C++ without editing production code?

    - by wk1989
    Hello, I am a fairly new software developer currently working adding unit tests to an existing C++ project that started years ago. Due to a non-technical reason, I'm not allowed to modify any existing code. The base class of all my modules has a bunch of methods for Setting/Getting data and communicating with other modules. Since I just want to unit testing each individual module, I want to be able to use canned values for all my inter-module communication methods. I.e. for a method Ping() which checks if another module is active, I want to have it return true or false based on what kind of test I'm doing. I've been looking into Google Test and Google Mock, and it does support mocking non-virtual methods. However the approach described (http://code.google.com/p/googlemock/wiki/CookBook#Mocking_Nonvirtual_Methods) requires me to "templatize" the original methods to take in either real or mock objects. I can't go and templatize my methods in the base class due to the requirement mentioned earlier, so I need some other way of mocking these virtual methods Basically, the methods I want to mock are in some base class, the modules I want to unit test and create mocks of are derived classes of that base class. There are intermediate modules in between my base Module class and the modules that I want to test. I would appreciate any advise! Thanks, JW EDIT: A more concrete examples My base class is lets say rootModule, the module I want to test is leafModule. There is an intermediate module which inherits from rootModule, leafModule inherits from this intermediate module. In my leafModule, I want to test the doStuff() method, which calls the non virtual GetStatus(moduleName) defined in the rootModule class. I need to somehow make GetStatus() to return a chosen canned value. Mocking is new to me, so is using mock objects even the right approach?

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  • Magic Method __set() on a Instanciated Object

    - by streetparade
    Ok i have a problem, sorry if i cant explaint it clear but the code speaks for its self. i have a class which generates objects from a given class name; Say we say the class is Modules: public function name($name) { $this->includeModule($name); try { $module = new ReflectionClass($name); $instance = $module->isInstantiable() ? $module->newInstance() : "Err"; $this->addDelegate($instance); } catch(Exception $e) { Modules::Name("Logger")->log($e->getMessage()); } return $this; } The AddDelegate Method: protected function addDelegate($delegate) { $this->aDelegates[] = $delegate; } The __call Method public function __call($methodName, $parameters) { $delegated = false; foreach ($this->aDelegates as $delegate) { if(class_exists(get_class($delegate))) { if(method_exists($delegate,$methodName)) { $method = new ReflectionMethod(get_class($delegate), $methodName); $function = array($delegate, $methodName); return call_user_func_array($function, $parameters); } } } The __get Method public function __get($property) { foreach($this->aDelegates as $delegate) { if ($delegate->$property !== false) { return $delegate->$property; } } } All this works fine expect the function __set public function __set($property,$value) { //print_r($this->aDelegates); foreach($this->aDelegates as $k=>$delegate) { //print_r($k); //print_r($delegate); if (property_exists($delegate, $property)) { $delegate->$property = $value; } } //$this->addDelegate($delegate); print_r($this->aDelegates); } class tester { public function __set($name,$value) { self::$module->name(self::$name)->__set($name,$value); } } Module::test("logger")->log("test"); // this logs, it works echo Module::test("logger")->path; //prints /home/bla/test/ this is also correct But i cant set any value to class log like this Module::tester("logger")->path ="/home/bla/test/log/"; The path property of class logger is public so its not a problem of protected or private property access. How can i solve this issue? I hope i could explain my problem clear.

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  • Sorting the output from XmlSerializer in C#

    - by prosseek
    In this post, I could get an XML file generated based on C# class. Can I reorder the XML elements based on its element? My code uses var ser = new XmlSerializer(typeof(Module)); ser.Serialize(WriteFileStream, report, ns); WriteFileStream.Close(); to get the XML file, but I need to have the XML file sorted based on a BlocksCovered variable. public class ClassInfo { public string ClassName; public int BlocksCovered; public int BlocksNotCovered; public double CoverageRate; public ClassInfo() {} public ClassInfo(string ClassName, int BlocksCovered, int BlocksNotCovered, double CoverageRate) { this.ClassName = ClassName; this.BlocksCovered = BlocksCovered; this.BlocksNotCovered = BlocksNotCovered; this.CoverageRate = CoverageRate; } } [XmlRoot("Module")] public class Module { [XmlElement("Class")] public List<ClassInfo> ClassInfoList; public int BlocksCovered; public int BlocksNotCovered; public string moduleName; public Module() { ClassInfoList = new List<ClassInfo>(); BlocksCovered = 0; BlocksNotCovered = 0; moduleName = ""; } } Module report = new Module(); ... TextWriter WriteFileStream = new StreamWriter(xmlFileName); XmlSerializerNamespaces ns = new XmlSerializerNamespaces(); ns.Add("", ""); var ser = new XmlSerializer(typeof(Module)); ser.Serialize(WriteFileStream, report, ns); WriteFileStream.Close();

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  • Joomla Site Templates: Architecture Advise

    - by Vincent
    Our client provided us with html templates to turn into a Joomla template, problem is their designs are not Joomla Template friendly where a lot of the html design are not consistent with structure. Currently the only solution we have is applying a template structure pattern that fits the most amount of their design and have seperate joomla templates to take care of the ones that doesn't fit. We have the generic Joomla Template configured with different positions for each div and assign each article to its respective position in the template. Some articles though have menu modules within them so our solution is to split the article into two position and define positions for each menu module. Is this method better than defining module positions within an article content to render menus within an article? Is there a better way of showing articles in specific div positions than having each article be represented by a module to render in a specific div (position) in a template? Right now our current way of rendering an article(s) content to a specific position is to create a module (moduleAsArticle) and define that module a position. Create An Article - Assign A Module To It (moduleAsArticle) - Define that module a position

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  • 'Step Into' is suddenly not working in Visual Studio

    - by Nick LaMarca
    All of a sudden, I have run into an issue where I cannot step into any code through debugging in Visual Studio. The step over works fine, but it refuses to step into (F11) any of my code. This was working before, now all of a sudden it does not. I've tried some things below, but I still had no success: Delete all bin files in every project in my solution, clean solution, re-build solution. Build projects in solution indivdualy Restart machine It an ASP.NET C# application consuming a WCF sevice locally. It is in debug mode. I have a breakpoint set on the page consuming the service. The breakpoint hits, but it will not step into the service code. The ASP.NET site and the service code is all in the same solution. This all of a sudden does not work, it did work before. How can I fix this problem? Adding a breakpoint to the service project I get a warning: Breakpoint will not currently be hit. No symbols have been loaded for this document. I deleted all the bin folders for all the projects and re-built them one by one. They all succeeded, but still I am getting the symbols won't load on any breakpoint I put into any project in the solution other than the ASP.NET project where the breakpoint works. I was able to debug step into all the projects before, this is an all of a sudden thing. Information from the output window.. 'WebDev.WebServer40.EXE' (Managed (v4.0.30319)): Loaded 'C:\windows\Microsoft.Net\assembly\GAC_MSIL\SMDiagnostics\v4.0_4.0.0.0__b77a5c561934e089\SMDiagnostics.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled. 'WebDev.WebServer40.EXE' (Managed (v4.0.30319)): Loaded 'C:\windows\Microsoft.Net\assembly\GAC_MSIL\System.Runtime.DurableInstancing\v4.0_4.0.0.0__31bf3856ad364e35\System.Runtime.DurableInstancing.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled. 'WebDev.WebServer40.EXE' (Managed (v4.0.30319)): Loaded 'C:\windows\Microsoft.Net\assembly\GAC_MSIL\System.Xaml.Hosting\v4.0_4.0.0.0__31bf3856ad364e35\System.Xaml.Hosting.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled. 'WebDev.WebServer40.EXE' (Managed (v4.0.30319)): Loaded 'C:\windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\2d49cf50\14eee2cf\App_Web_jmow15fw.dll', Symbols loaded. 'WebDev.WebServer40.EXE' (Managed (v4.0.30319)): Loaded 'C:\windows\Microsoft.Net\assembly\GAC_MSIL\System.Runtime.Serialization\v4.0_4.0.0.0__b77a5c561934e089\System.Runtime.Serialization.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled. 'WebDev.WebServer40.EXE' (Managed (v4.0.30319)): Loaded 'C:\windows\Microsoft.Net\assembly\GAC_MSIL\System.WorkflowServices\v4.0_4.0.0.0__31bf3856ad364e35\System.WorkflowServices.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled. 'WebDev.WebServer40.EXE' (Managed (v4.0.30319)): Loaded 'C:\windows\Microsoft.Net\assembly\GAC_MSIL\System.ServiceModel.Web\v4.0_4.0.0.0__31bf3856ad364e35\System.ServiceModel.Web.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled. 'WebDev.WebServer40.EXE' (Managed (v4.0.30319)): Loaded 'C:\windows\Microsoft.Net\assembly\GAC_MSIL\System.ServiceModel.Discovery\v4.0_4.0.0.0__31bf3856ad364e35\System.ServiceModel.Discovery.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled. 'WebDev.WebServer40.EXE' (Managed (v4.0.30319)): Loaded 'C:\windows\Microsoft.Net\assembly\GAC_MSIL\System.ServiceModel.Activities\v4.0_4.0.0.0__31bf3856ad364e35\System.ServiceModel.Activities.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled. 'WebDev.WebServer40.EXE' (Managed (v4.0.30319)): Loaded 'C:\windows\Microsoft.Net\assembly\GAC_MSIL\System.ServiceModel.Routing\v4.0_4.0.0.0__31bf3856ad364e35\System.ServiceModel.Routing.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled. 'WebDev.WebServer40.EXE' (Managed (v4.0.30319)): Loaded 'C:\windows\Microsoft.Net\assembly\GAC_MSIL\System.ServiceModel.Channels\v4.0_4.0.0.0__31bf3856ad364e35\System.ServiceModel.Channels.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled. 'WebDev.WebServer40.EXE' (Managed (v4.0.30319)): Loaded 'C:\windows\Microsoft.Net\assembly\GAC_MSIL\System.IdentityModel\v4.0_4.0.0.0__b77a5c561934e089\System.IdentityModel.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.

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  • Appcrash and possible malware

    - by Chris Lively
    First off, I'm running MS Intune Endpoint Protection. It is completely up to date. On 10/25 @ 11:53PM I came across a site that caused Intune to freak out: Microsoft Antimalware has detected malware or other potentially unwanted software. For more information please see the following: http://go.microsoft.com/fwlink/?linkid=37020&name=Trojan:Win64/Sirefef.B&threatid=2147646729 Name: Trojan:Win64/Sirefef.B ID: 2147646729 Severity: Severe Category: Trojan Path: file:_C:\Windows\System32\consrv.dll Detection Origin: Local machine Detection Type: Concrete Detection Source: Real-Time Protection User: NT AUTHORITY\SYSTEM Process Name: C:\Windows\explorer.exe Signature Version: AV: 1.115.526.0, AS: 1.115.526.0, NIS: 10.7.0.0 Engine Version: AM: 1.1.7801.0, NIS: 2.0.7707.0 I, of course, elected to simply delete the file. Since then my machine has been randomly giving an error about "Host Process for Windows Services" stopped working. There are generally two different pieces of info: Description Faulting Application Path: C:\Windows\System32\svchost.exe Problem signature Problem Event Name: BEX64 Application Name: svchost.exe Application Version: 6.1.7600.16385 Application Timestamp: 4a5bc3c1 Fault Module Name: StackHash_52d4 Fault Module Version: 0.0.0.0 Fault Module Timestamp: 00000000 Exception Offset: 000062bdabe00000 Exception Code: c0000005 Exception Data: 0000000000000008 OS Version: 6.1.7601.2.1.0.256.27 Locale ID: 1033 Additional Information 1: 52d4 Additional Information 2: 52d47b8b925663f9d6437d7892cdf21b Additional Information 3: ed24 Additional Information 4: ed24528f3b69e8539b5c5c2158896d3e and Description Faulting Application Path: C:\Windows\System32\svchost.exe Problem signature Problem Event Name: APPCRASH Application Name: svchost.exe Application Version: 6.1.7600.16385 Application Timestamp: 4a5bc3c1 Fault Module Name: mshtml.dll Fault Module Version: 9.0.8112.16437 Fault Module Timestamp: 4e5f1784 Exception Code: c0000005 Exception Offset: 00000000002ed3c2 OS Version: 6.1.7601.2.1.0.256.27 Locale ID: 1033 Additional Information 1: 3e9e Additional Information 2: 3e9e8b83f6a5f2a25451516023078a83 Additional Information 3: 432a Additional Information 4: 432a0284c502cce3bbb92a3bd555fe65 Intune claims the machine is clean. I've also tried some of the online scanners like trendmicro, all of which claimed the system is clean. Finally, I tried the "sfc /scannow" and it said all was good. I left my machine on after I left last night and there were about 50 of those messages. Ideas on how to proceed?

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  • how to get Geo::Coder::Many with cpan?

    - by mnemonic
    Ubuntu is installed for development of a Perl project. aptitude search Geo-Coder i libgeo-coder-googlev3-perl - Perl module providing access to Google Map Aptitude does not refer to Geo::Coder::Many cpan can not build it. sudo cpan Geo::Coder::Many Then: CPAN: Storable loaded ok (v2.27) Going to read '/home/jh/.cpan/Metadata' Database was generated on Wed, 16 Oct 2013 06:17:04 GMT Running install for module 'Geo::Coder::Many' Running make for K/KA/KAORU/Geo-Coder-Many-0.42.tar.gz CPAN: Digest::SHA loaded ok (v5.61) CPAN: Compress::Zlib loaded ok (v2.033) Checksum for /home/jh/.cpan/sources/authors/id/K/KA/KAORU/Geo-Coder-Many-0.42.tar.gz ok CPAN: File::Temp loaded ok (v0.22) CPAN: Parse::CPAN::Meta loaded ok (v1.4401) CPAN: CPAN::Meta loaded ok (v2.110440) CPAN: Module::CoreList loaded ok (v2.49_02) CPAN: Module::Build loaded ok (v0.38) CPAN.pm: Going to build K/KA/KAORU/Geo-Coder-Many-0.42.tar.gz Can't locate Geo/Coder/Many/Google.pm in @INC (@INC contains: /etc/perl /usr/local/lib/perl/5.14.2 /usr/local/share/perl/5.14.2 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.14 /usr/share/perl/5.14 /usr/local/lib/site_perl .) at /usr/share/perl/5.14/Module/Load.pm line 27. Can't locate Geo/Coder/Many/Google in @INC (@INC contains: /etc/perl /usr/local/lib/perl/5.14.2 /usr/local/share/perl/5.14.2 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.14 /usr/share/perl/5.14 /usr/local/lib/site_perl .) at /usr/share/perl/5.14/Module/Load.pm line 27. BEGIN failed--compilation aborted at Build.PL line 54. Warning: No success on command[/usr/bin/perl Build.PL --installdirs site] CPAN: YAML loaded ok (v0.77) KAORU/Geo-Coder-Many-0.42.tar.gz /usr/bin/perl Build.PL --installdirs site -- NOT OK Running Build test Make had some problems, won't test Running Build install Make had some problems, won't install Could not read metadata file. Falling back to other methods to determine prerequisites Any suggestions how to resolve this issue?

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  • Recompiling Nginx 1.4.3 with "--with-http_gzip_static_module" error

    - by Elijah Paul
    I'm trying to enable the 'ngx_http_gzip_static_module' module in Nginx 1.4.3 by adding the --with-http_gzip_static_module to my ./configure configuration. But I recieve the following error when i try to recompile (make): # make make -f objs/Makefile make[1]: Entering directory `/tmp/nginx-1.4.3' make[1]: *** No rule to make target `src/os/unix/ngx_gcc_atomic_x86.h', needed by `objs/src/core/nginx.o'. Stop. make[1]: Leaving directory `/tmp/nginx-1.4.3' make: *** [build] Error 2 My current config (CentOS 6.4): # nginx -V nginx version: nginx/1.4.3 built by gcc 4.4.7 20120313 (Red Hat 4.4.7-3) (GCC) TLS SNI support enabled configure arguments: --conf-path=/etc/nginx/nginx.conf --pid-path=/var/run/nginx.pid --error-log-path=/var/log/nginx/error.log --http-proxy-temp-path=/var/cache/nginx/proxy_temp --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp --http-scgi-temp-path=/var/cache/nginx/scgi_temp --http-log-path=/var/log/nginx/access.log --with-http_ssl_module --prefix=/usr --add-module=./nginx-sticky-module-1.1 --add-module=./headers-more-nginx-module-0.23 i was under the impression that this was a module that just need to be 'enabled' as opposed to 'added'. What am I missing here?

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  • netconfig won't change DNS on opensuse 12.2

    - by Krystian
    I'm trying to update my dns servers after openvpn connection, but netconfig won't do that for me. Here's how I'm trying to do it [manually now]: /sbin/netconfig modify -v -i tap0 -s openvpn <<-EOF INTERFACE='tap0' DNSSERVERS='10.10.0.1' EOF And here's the verbose output: debug: lockfile created (/var/run/netconfig.pid) for PID 5530 debug: lockfile created debug: write new STATE file /var/run/netconfig//tap0/netconfig0 debug: Module order: dns-resolver dns-bind dns-dnsmasq nis ntp-runtime debug: dns-resolver module called debug: Static Fallback debug: Use NetworkManager policy merged settings debug: exec get_dns_settings: /var/run/netconfig/NetworkManager.netconfig debug: get_dns_settings: service 'NetworkManager' => rank '1' debug: get_dns_settings: DNS_SEARCHLIST_1='mydomain.com' debug: get_dns_settings: DNS_SERVERS_1='192.168.0.1' debug: exit get_dns_settings: /var/run/netconfig/NetworkManager.netconfig debug: write_resolv_conf: ' mydomain.com ' ' 192.168.0.1 ' debug: No changes for /etc/resolv.conf debug: dns-bind Module called debug: dns-dnsmasq Module called debug: nis Module called debug: Static Fallback debug: Use NetworkManager policy merged settings debug: exec get_nis_settings: /var/run/netconfig/NetworkManager.netconfig debug: exit get_nis_settings: /var/run/netconfig/NetworkManager.netconfig debug: set_nisdomainname: eth0 24 debug: set_nisdomainname: => yes debug: set_nisdomainname: old[]=, new[24]= debug: format_yp_conf called with : debug: Using static fallback debug: format_static[0] called debug: No changes for /etc/yp.conf debug: nis domainname '' is up to date debug: ntp-runtime Module called debug: Static Fallback debug: Use NetworkManager policy merged settings debug: exec get_ntp_settings: /var/run/netconfig/NetworkManager.netconfig debug: get_ntp_settings: NTP_SERVER_LIST='' debug: exit get_ntp_settings: /var/run/netconfig/NetworkManager.netconfig I've been trying to find something relevant on the web, but failed to do so. I have no other clue on how to progress with this issue. Any thoughts?

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  • Error installing pygraphviz on OSX

    - by Neil
    I'm trying to get the graph-models to work (from django-command extensions) on Snow Leopard. It requires pygraphviz, which I installed via macports. After successful install I am getting this error: >>> import pygrahphviz Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: No module named pygrahphviz >>> import pygraphviz Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/Library/Python/2.6/site-packages/pygraphviz-1.1-py2.6-macosx-10.6-universal.egg/pygraphviz/__init__.py", line 54, in <module> from agraph import AGraph, Node, Edge, Attribute, ItemAttribute File "/Library/Python/2.6/site-packages/pygraphviz-1.1-py2.6-macosx-10.6-universal.egg/pygraphviz/agraph.py", line 19, in <module> import graphviz as gv File "/Library/Python/2.6/site-packages/pygraphviz-1.1-py2.6-macosx-10.6-universal.egg/pygraphviz/graphviz.py", line 7, in <module> import _graphviz ImportError: dlopen(/Library/Python/2.6/site-packages/pygraphviz-1.1-py2.6-macosx-10.6-universal.egg/pygraphviz/_graphviz.so, 2): Symbol not found: _Agdirected Referenced from: /Library/Python/2.6/site-packages/pygraphviz-1.1-py2.6-macosx-10.6-universal.egg/pygraphviz/_graphviz.so Expected in: flat namespace in /Library/Python/2.6/site-packages/pygraphviz-1.1-py2.6-macosx-10.6-universal.egg/pygraphviz/_graphviz.so >>> Any suggestions?

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  • trouble shooting ntfs-loop-xen combination in wubi based grub of Ubuntu

    - by Registered User
    Here is a situation I installed Ubuntu on a laptop using Wubi in Windows 7 drive.*The laptop is not mine.*I have installed and things worked by now perfectly without any problem.We are trying to set up a Xen (virtualization)environment in this laptop. After setting up every thing cleanly.When I needed to boot with following grub entries menuentry "Xen Linux 2.6.32.27" { insmod ntfs set root='(hd0,2)' loopback loop0 /ubuntu/disks/root.disk set root=(loop0) multiboot /boot/xen.gz module /boot/vmlinuz-2.6.32.27 dummy=dummy root=/dev/sda2 loop=/ubuntu/disks/root.disk ro console=tty0 module /boot/initrd.img-2.6.32.27 } I got error file not found error unknown command 'multiboot' error unknown command 'module' error unknown command 'module' Now to dig this issue further I reboot the machine and go to grub command prompt and manually pass on each of the above parameters which you see in the grub entry when I reached grub> insmod multiboot then I got following message on screen error:file not found. It looks like this wubi+ grub setup has just enough modules to use loopback file on ntfs, but the ACTUAL /boot directory is on the loopback NOT ntfs (hd0,2). Therefore any attempt to read any files from (hd0,2) simply wont work, cause there's no file there.I need to use insmod multiboot and command multiboot and module which are available in grub on a normal install without Wubi.But since the laptop is not mine so I am not allowed to partition it and have to make it work in this situation only. While a normal Kernel is still booting? How can I get module multiboot in this Wubi based install.

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  • Trying to install datastax opscenter - Failed to load application: cannot import name _parse

    - by gansbrest
    I'm not familiar with python, maybe someone could explain what's going on here? ec2-user@prod-opscenter-01:~ % java -version java version "1.7.0_45" Java(TM) SE Runtime Environment (build 1.7.0_45-b18) Java HotSpot(TM) 64-Bit Server VM (build 24.45-b08, mixed mode) ec2-user@prod-opscenter-01:~ % python -V Python 2.6.8 ec2-user@prod-opscenter-01:~ % openssl version OpenSSL 1.0.1e-fips 11 Feb 2013 And now the error ec2-user@prod-opscenter-01:~ % sudo /etc/init.d/opscenterd start Starting Cassandra cluster manager opscenterd Starting opscenterdUnhandled Error Traceback (most recent call last): File "/usr/lib64/python2.6/site-packages/twisted/application/app.py", line 652, in run runApp(config) File "/usr/lib64/python2.6/site-packages/twisted/scripts/twistd.py", line 23, in runApp _SomeApplicationRunner(config).run() File "/usr/lib64/python2.6/site-packages/twisted/application/app.py", line 386, in run self.application = self.createOrGetApplication() File "/usr/lib64/python2.6/site-packages/twisted/application/app.py", line 451, in createOrGetApplication application = getApplication(self.config, passphrase) --- <exception caught here> --- File "/usr/lib64/python2.6/site-packages/twisted/application/app.py", line 462, in getApplication application = service.loadApplication(filename, style, passphrase) File "/usr/lib64/python2.6/site-packages/twisted/application/service.py", line 405, in loadApplication application = sob.loadValueFromFile(filename, 'application', passphrase) File "/usr/lib64/python2.6/site-packages/twisted/persisted/sob.py", line 210, in loadValueFromFile exec fileObj in d, d File "bin/start_opscenter.py", line 1, in <module> from opscenterd import opscenterd_tap File "/usr/lib/python2.6/site-packages/opscenterd/opscenterd_tap.py", line 37, in <module> File "/usr/lib/python2.6/site-packages/opscenterd/OpsCenterdService.py", line 13, in <module> File "/usr/lib/python2.6/site-packages/opscenterd/ClusterServices.py", line 22, in <module> File "/usr/lib/python2.6/site-packages/opscenterd/WebServer.py", line 40, in <module> File "/usr/lib/python2.6/site-packages/opscenterd/Agents.py", line 18, in <module> exceptions.ImportError: cannot import name _parse Failed to load application: cannot import name _parse Maybe there are open source alternatives to monitoring cassandra I should look at? Thanks a lot

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