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• ADNOC talks about 50x increase in performance

  - by KLaker

  If you are still wondering about how Exadata can revolutionise your business then I would recommend watching this great video which was recorded at this year's OpenWorld. First a little background...The Abu Dhabi National Oil Company for Distribution (ADNOC) is an integrated energy company that was founded in 1973. ADNOC Distribution markets and distributes petroleum products and services within the United Arab Emirates and internationally. As one of the largest and most innovative government-owned petroleum companies in the Arab Gulf, ADNOC Distribution is renowned and respected for the exceptional quality and reliability of its products and services. Its five corporate divisions include more than 200 filling stations (a number that is growing at 8% annually), more than 150 convenience stores, 10 vehicle inspection stations, as well as wholesale and retail sales of bulk fuel, gas, oil, diesel, and lubricants. ADNOC selected Oracle Exadata Database Machine after extensive research because it provided them with a single platform that can run mixed workloads in a single unified machine: "We chose Oracle Exadata Database Machine because it.offered a fully integrated and highly engineered system that was ready to deploy. With our infrastructure running all the same technology, we can operate any type of Oracle Database without restrictions and be prepared for business growth," said Ali Abdul Aziz Al-Ali, IT division manager, ADNOC Distribution. ".....we could consolidate our transaction processing and business intelligence onto one platform. Competing solutions are just not capable of doing that." - Awad Ahmed Ali El-Sidiq, Senior Database Administrator, ADNOC Distribution In this new video Awad Ahmen Ali El Sidddig, Senior DBA at ADNOC, talks about the impact that Exadata has had on his team and the whole business. ADNOC is using our engineered systems to drive and manage all their workloads: from transaction systems to payments system to data warehouse to BI environment. A true Disk-to-Dashboard revolution using Engineered Systems. This engineered approach is delivering 50x improvement in performance with one queries running 100x faster! The IT has even revolutionised some of their data warehouse related processes with the help of Exadata and now jobs that were taking over 4 hours now run in a few minutes.  To watch the video click on the image below which will take you to our Oracle YouTube page: (if the above link does not work, click here: http://www.youtube.com/watch?v=zcRpxc6u5Ic) Now that queries are running 100x faster and jobs are completing in minutes not hours, what is next for the IT team at ADNOC? Like many of our customers ADNOC is now looking to take advantage of big data to help them better align their business operations with customer behaviour and customer insights. To help deliver this next level of insight the IT team is looking at the new features in Oracle Database 12c such as the new in-memory feature to deliver even more performance gains.  The great news is that Awad Ahmen Ali El Sidddig was awarded DBA of the Year - EMEA within our Data Warehouse Global Leaders programme and you can see the badge for this award pop-up at the start of video. Well done to everyone at ADNOC and thanks for spending the time with us at OOW to create this great video.

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• Hotmail — avoid sign up confirmation / lost password being marked as spam

  - by Xerxes Cameron

  When sending legit large volume Emails from our IP (e.g. for sign up confirmation or Lost password) it gets marked as Junk in Hotmail. In the past, there was the Sender ID SPF Record Submission Form, where you could put yourself on the radar of Microsoft. See this old discussion. However, as of April 2012 this has been abandoned. Any hints what to do now? What is a good way to contact the Hotmail team?

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• My new DNS change works from America but not Sweden

  - by Dougie

  Several hours ago i changed nameserver and DNS info on one of my domains at my domainregistar. When i access the domain from my home computers and when my friends access the domain they get to the old ip-adress hosting the dead site(We all live in Sweden). But when i access the website from my mobile phone or through google.com/translate or North American proxies the website is shown like it should. Why is this?, does it take time for change to take effect for diffrent locations/countries? I find it very strange and would like to start using my site now. Do you think it will change or could i've been doing something wrong?

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• Repeated calls with random Javascript append to the URL

  - by cjk

  I keep getting calls to my server where there is random Javascript appended on the end of lots of the calls, e.g.: /UI/Includes/JavaScript/).length)&&e.error( /UI/Includes/JavaScript/,C,!1),a.addEventListener( /UI/Includes/JavaScript/),l=b.createDocumentFragment(),m=b.documentElement,n=m.firstChild,o=b.createElement( /UI/Includes/JavaScript/&&a.getAttributeNode( /UI/Includes/JavaScript/&&a.firstChild.getAttribute( /UI/Includes/JavaScript/).replace(bd, /UI/Includes/JavaScript/)),a.getElementsByTagName( The user agent is always this: Mozilla/4.0+(compatible;+MSIE+6.0;+Windows+NT+5.1;+SV1;+.NET+CLR+2.0.50727) I have jQuery, Modernizr and other JS and originally thought that some browser was messing up it's JS calls, however this particular IP address hasn't requested any images so I'm wondering if it is some kind of attack. Is this a common occurence?

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• What's In Storage?

  - by [email protected]

  Oracle Flies South for Storage Networking Event Storage Networking World (now simply called SNW) is the place you'll find the most-comprehensive education on storage, infrastructure, and the datacenter in the spring of 2010. It's also the place where you'll see Oracle. During the April 12-15 event in Orlando, Florida, the industry's premiere presentations on storage trends and best practices are combined with hands-on labs covering storage management and IP storage. You'll also have the opportunity to learn about Oracle's Sun storage solutions, from Flash and open storage to enterprise disk and tape. Plus, if you stop by booth 207 in the expo hall, you might walk away with a bookish prize: an Amazon Kindle, courtesy of Oracle. Proving, once again, that education can be quite rewarding.

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• Lessons from a SAN Failure

  - by Bill Graziano

  At 1:10AM Sunday morning the main SAN at one of my clients suffered a “partial” failure.  Partial means that the SAN was still online and functioning but the LUNs attached to our two main SQL Servers “failed”.  Failed means that SQL Server wouldn’t start and the MDF and LDF files mostly showed a zero file size.  But they were online and responding and most other LUNs were available.  I’m not sure how SANs know to fail at 1AM on a Saturday night but they seem to.  From a personal standpoint this worked out poorly: I was out with friends and after more than a few drinks.  From a work standpoint this was about the best time to fail you could imagine.  Everything was running well before Monday morning.  But it was a long, long Sunday.  I started tipsy, got tired and ended up hung over later in the day. Note to self: Try not to go out drinking right before the SAN fails. This caught us at an interesting time.  We’re in the process of migrating to an entirely new set of servers so some things were partially moved.  This made it difficult to follow our procedures as cleanly as we’d like.  The benefit was that we had much better documentation of everything on the server.  I would encourage everyone to really think through the process of implementing your DR plan and document as much as possible.  Following a checklist is much easier than trying to remember at night under pressure in a hurry after a few drinks. I had a series of estimates on how long things would take.  They were accurate for any single server failure.  They weren’t accurate for a SAN failure that took two servers down.  This wasn’t bad but we should have communicated better. Don’t forget how many things are outside the database.  Logins, linked servers, DTS packages (yikes!), jobs, service broker, DTC (especially DTC), database triggers and any objects in the master database are all things you need backed up.  We’d done a decent job on this and didn’t find significant problems here.  That said this still took a lot of time.  There were many annoyances as a result of this.  Small settings like a login’s default database had a big impact on whether an application could run.  This is probably the single biggest area of concern when looking to recreate a server.  I’d encourage everyone to go through every single node of SSMS and look for user created objects or settings outside the database. Script out your logins with the proper SID and already encrypted passwords and keep it updated.  This makes life so much easier.  I used an approach based on KB246133 that worked well.  I’ll get my scripts posted over the next few days. The disaster can cause your DR process to fail in unexpected ways.  We have a job that scripts out all logins and role memberships and writes it to a file.  This runs on the DR server and pulls from the production server.  Upon opening the file I found that the contents were a “server not found” error.  Fortunately we had other copies and didn’t need to try and restore the master database.  This now runs on the production server and pushes the script to the DR site.  Soon we’ll get it pushed to our version control software. One of the biggest challenges is keeping your DR resources up to date.  Any server change (new linked server, new SQL Server Agent job, etc.) means that your DR plan (and scripts) is out of date.  It helps to automate the generation of these resources if possible. Take time now to test your database restore process.  We test ours quarterly.  If you have a large database I’d also encourage you to invest in a compressed backup solution.  Restoring backups was the single larger consumer of time during our recovery. And yes, there’s a database mirroring solution planned in our new architecture. I didn’t have much involvement in things outside SQL Server but this caused many, many things to change in our environment.  Many applications today aren’t just executables or web sites.  They are a combination of those plus network infrastructure, reports, network ports, IP addresses, DTS and SSIS packages, batch systems and many other things.  These all needed a little bit of attention to make sure they were functioning properly. Profiler turned out to be a handy tool.  I started a trace for failed logins and kept that running.  That let me fix a number of problems before people were able to report them.  I also ran traces to capture exceptions.  This helped identify problems with linked servers. Overall the thing that gave me the most problem was linked servers.  In order for a linked server to function properly you need to be pointed to the right server, have the proper login information, have the network routes available and have MSDTC configured properly.  We have a lot of linked servers and this created many failure points.  Some of the older linked servers used IP addresses and not DNS names.  This meant we had to go in and touch all those linked servers when the servers moved.

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• What’s new in Silverlight 4 RC?

  - by pluginbaby

  I am here in Las Vegas for MIX10 where Scott Guthrie announced today the release of Silverlight 4 RC and the Visual Studio 2010 tools. You can now install VS2010 RC!!! As always, downloads links are here: www.silverlight.net He also said that the final version of Silverlight 4 will come next month (so april)! 4 months ago, I wrote a blog post on the new features of Silverlight 4 beta, so… what’s new in the RC ?   Rich Text · RichTextArea renamed to RichTextBox · Text position and selection APIs · “Xaml” property for serializing text content · XAML clipboard format · FlowDirection support on Runs tag · “Format then type” support when dragging controls to the designer · Thai/Vietnamese/Indic support · UI Automation Text pattern   Networking · UploadProgress support (Client stack) · Caching support (Client stack) · Sockets security restrictions removal (Elevated Trust) · Sockets policy file retrieval via HTTP · Accept-Language header   Out of Browser (Elevated Trust) · XAP signing · Silent install and emulation mode · Custom window chrome · Better support for COM Automation · Cancellable shutdown event · Updated security dialogs   Media · Pinned full-screen mode on secondary display · Webcam/Mic configuration preview · More descriptive MediaSourceStream errors · Content & Output protection updates · Updates to H.264 content protection (ClearNAL) · Digital Constraint Token · CGMS-A · Multicast · Graphics card driver validation & revocation   Graphics and Printing · HW accelerated Perspective Transforms · Ability to query page size and printable area · Memory usage and perf improvements   Data · Entity-level validation support of INotifyDataErrorInfo for DataGrid · XPath support for XML   Parser · New architecture enables future innovation · Performance and stability improvements · XmlnsPrefix & XmlnsDefinition attributes · Support setting order-dependent properties   Globalization & Localization · Support for 31 new languages · Arabic, Hebrew and Thai input on Mac · Indic support   More … · Update to DeepZoom code base with HW acceleration · Support for Private mode browsing · Google Chrome support (Windows) · FrameworkElement.Unloaded event · HTML Hosting accessibility · IsoStore perf improvements · Native hosting perf improvements (e.g., Bing Toolbar) · Consistency with Silverlight for Mobile APIs and Tooling · SDK   - System.Numerics.dll   - Dynamic XAP support (MEF)   - Frame/Navigation refresh support   That’s a lot!   You will find more details on the following links: http://timheuer.com/blog/archive/2010/03/15/whats-new-in-silverlight-4-rc-mix10.aspx http://www.davidpoll.com/2010/03/15/new-in-the-silverlight-4-rc-xaml-features/   Technorati Tags: Silverlight

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• Apache logs: "::1 ... "OPTIONS * HTTP/1.0" 200 -

  - by Meltemi

  Just looking at logs of a not-so-busy site on one of our Apache servers and notice tons of these in the log: ::1 - - [15/Apr/2011:12:11:40 -0700] "OPTIONS * HTTP/1.0" 200 - ::1 - - [15/Apr/2011:12:11:41 -0700] "OPTIONS * HTTP/1.0" 200 - ::1 - - [15/Apr/2011:12:11:44 -0700] "OPTIONS * HTTP/1.0" 200 - They seem to appear multiple times just below the GET requests where Apache has served a page & its related images. what do they mean? what IP is "::1"? if they're benign can I suppress them?

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• Debugging OWB generated SAP ABAP code executed through RFC

  - by Anil Menon

  Within OWB if you need to execute ABAP code using RFC you will have to use the SAP Function Module RFC_ABAP_INSTALL_AND_RUN. This function module is specified during the creation of the SAP source location. Usually in a Production environment a copy of this function module is used due to security restrictions. When you execute the mapping by using this Function Module you can’t see the actual ABAP code that is passed on to the SAP system. In case you want to take a look at the code that will be executed on the SAP system you need to use a custom Function Module in SAP. The easiest way to do this is to make a copy of the Function Module RFC_ABAP_INSTALL_AND_RUN and call it say Z_TEST_FM. Then edit the code of the Function Module in SAP as below FUNCTION Z_TEST_FM . DATA: BEGIN OF listobj OCCURS 20. INCLUDE STRUCTURE abaplist. DATA: END OF listobj. DATA: begin_of_line(72). DATA: line_end_char(1). DATA: line_length type I. DATA: lin(72). loop at program. append program-line to WRITES. endloop. ENDFUNCTION. Within OWB edit the SAP Location and use Z_TEST_FM as the “Execution Function Module” instead of  RFC_ABAP_INSTALL_AND_RUN. Then register this location. The Mapping you want to debug will have to be deployed. After deployment you can right click the mapping and click on “Start”.   After clicking start the “Input Parameters” screen will be displayed. You can make changes here if you need to. Check that the parameter BACKGROUND is set to “TRUE”. After Clicking “OK” the log for the execution will be displayed. The execution of Mappings will always fail when you use the above function module. Clicking on the icon “I” (information) the ABAP code will be displayed.   The ABAP code displayed is the code that is passed through the Function Module. You can also find the code by going through the log files on the server which hosts the OWB repository. The logs will be located under <OWB_HOME>/owb/log. Patch #12951045 is recommended while using the SAP Connector with OWB 11.2.0.2. For recommended patches for other releases please check with Oracle Support at http://support.oracle.com

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• How many people will be with you during 24HOP?

  - by Rob Farley

  In less than a week, SQLPASS hosts another 24 Hours of PASS event, this time with an array of 24 female speakers (in honour of this month being Women’s History Month). Interestingly, the committee has had a few people ask if there are rules about how the event can be viewed, such as “How many people from any one organisation can watch it?” or “Does it matter if a few people are crowded around the same screen?” From a licensing and marketing perspective, there is value in knowing how many people are watching the event, but there are no restrictions about how the thing is viewed. In fact – if you’re planning to watch any of these events, I want to suggest an idea: Book a meeting room in your office with a projector, and watch 24HOP in there. If you’re planning to have it streaming in the background while you work, obviously this makes life a bit trickier. But if you’re planning to treat it as a training event (a 2-day conference if you like) and block out a bit of time for it (as well you should – there’s going to be some great stuff in there), then why not do it in a way that makes it so that other people can see that you’re watching it, and potentially join you. When an event like this runs, we can see how many different ‘people’ are attending each LiveMeeting session. What we can’t tell is how many actual people there are represented. Jessica Moss spoke to the Adelaide SQL Server User Group a few weeks ago via LiveMeeting, and LiveMeeting told us there were less than a dozen people attending. Really there were at least three times that number, because all the people in the room with me weren’t included. I’d love to imagine that every LiveMeeting attendee represented a crowd in a room, watching a shared screen. So there’s my challenge – don’t let your LiveMeeting session represent just you. Find a way of involving other people. At the very least, you’ll be able to discuss it with them afterwards. Now stick a comment on this post to let me know how many people are going to be joining you. :) If you’re not registered for the event yet, get yourself over to the SQLPASS site and make it happen.

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• Sed problem in a Bash script

  - by moata_u

  Hello there. I'm having a problem using the sed command . I'm trying to write a bash script that does the following : search for the line that contain :@ then save the line that contained :@ and replace it with new line as in the following: #! /bin/bash echo "Please enter the ip address of you file"<br> read ipnumber<br> find=`grep ':@' application.properties` # find the line<br> input="connection.url=jdbc\racle\:thin\:@$ipnumber\:1521\:billz" # preparing new line<br> echo `sed "s/'${find}'/'${input}'/g" application.properties` # replace old with new line <br> The problem is: nothing happens. I've already tried to use "${find}" instead of '${find}'

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• Oracle Database Appliance Setup Poster Updated

  - by Ravi.Sharma

  The newly updated Setup Poster for Oracle Database Appliance is now available at http://wd0338.oracle.com/archive/cd_ns/E22693_01/index.htm This updated poster is a comprehensive source of information for anyone planning to deploy Oracle Database Appliance. It includes two main sections (which are conveniently printed on the two sides of a single 11x17 page) 1. Preparing to Deploy Oracle Database Appliance2. Oracle Database Appliance Setup The Preparing to Deploy Oracle Database Appliance section provides a concise list of items to plan for and review before beginning deployment. This includes registering Support Identifiers, allocating IP addresses, downloading software and patches, choosing configuration options, as well as important links to useful information. The Oracle Database Appliance Setup section provides a step by step procedure for deploying and configuring Oracle Database Appliance. This includes initial powering up of Oracle Database Appliance, configuring initial network, downloading software and completing the configuration using Oracle Database Appliance Configurator (GUI)  

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• VirtualBox Ubuntu Server with DNS

  - by Boris Karl Schlein

  I just want to have a local server inside my VirtualBox that offers dns functionality like www.example.local = 127.0.0.1 . Host: Ubuntu 11.10, Guest: Ubuntu 10.10 On my server I can already ping www.example.local - so I configured my virtual host correctly. Question is, how can I address www.example.local from outside my VirtualBox? I searched Google and askubuntu and found dnsmasq. I installed dnsmasq on my server and followed all steps on help.ubuntu. On my host system I've set 192.168.178.91 to the list of dns servers (192.168.178.91 is the IP address of my local server which uses a bridged network adapter). Thing is, I still cannot ping (or connect to) my example.local virtual host. It gives me an unknown host response. How can I set up my DNS server correctly?

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• Using modproxy to get around China's Great Firewall

  - by Yau Leung

  I'm using WIX service and I like it very much. However, one big problem is that some of my colleagues are in China but their IP is blocked. I'm wondering if modproxy can help me. I would like to setup a clean server (not blocked by the stupid Chinese government). Pointed the DNS cname to it and have modproxy get the page in background and send the page to viewers in China. Will it work? If yes, can anyone post any examples? Thanks a million

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• wpa_supplicant ioctl[SIOCSIWENCODEEXT]: Invalid argument

  - by RobinJ

  I just installed Ubuntu Server on a spare computer with a broken graphic card, and I needed to setup my wifi. I thought No problem, I've done it before from the command line, in Arch Linux., only the steps I had to take in Arch Linux didn't work in Ubuntu Server (that's odd, wasn't Ubuntu supposed to be so much more user-friendly? :/). This is what I'd normally do: ip link set wlan0 up wpa_passphrase <ESSID> <WPA KEY> > /etc/wpa_supplicant.conf wpa_supplicant -B -Dwext -i wlan0 -c /etc/wpa_supplicant.conf dhcpcd wlan0 Only at the wpa_supplicant I get some strane message: ioctl[SIOCSIWENCODEEXT]: Invalid argument ioctl[SIOCSIWENCODEEXT]: Invalid argument And if I try to run dhcpcd then (which I manually installed, as it didn't come preinstalled with Ubuntu Server), it times out. Help on how to do it would be much appreciated. My wireless driver is iwl3945.

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• 10 steps to enable &lsquo;Anonymous Access&rsquo; for your SharePoint 2010 site

  - by KunaalKapoor

  What’s Anonymous Access? Anonymous access to your SharePoint site enables all visitors to view your SharePoint site anonymously without having to log in. With this blog I’d like to go through an easy step wise procedure to enable/set up anonymous access. Before you actually enable anonymous access on the site, you’ll have to change some settings at the web app level. So let’s start with that: Prerequisite(s): 1. A hosted SharePoint 2010 farm/server. 2. An existing SharePoint site. I just thought I’d mention the above pre-reqs, since the steps mentioned below would’nt be valid or a different type of a site. Step 1: In Central Administration, under Application Management, click on the Manage web applications. Step 2: Now select the site you want to enable anonymous access and click on the Authentication Providers icon. Step 3: On the modal window click on the Default zone. Step 4: Now under the Edit Authentication section, check Enable anonymous access and click Save. This is basically to make the Anonymous Access authentication mechanism available at the web app level @ IIS. Now, web application will allow anonymous access to be set. 5. Going back to Web Application Management click on the Anonymous Policy icon. Step 6: Also before we proceed any further, under the Anonymous Access Restrictions (@ web app mgmt.) select your Zone and set the Permissions to None – No policy and click Save. Step 7:  Now lets navigate to your top level site collection for the web application. Click the Site Actions > Site Settings. Under Users and Permissions click Site permissions. Step 8: Under Users and Permissions, click on Site Permissions. Step 9: Under the Edit tab, click on Anonymous Access. Step 10: Choose whether you want Anonymous users to have access to the entire Web site or to lists and libraries only, and then click on OK. You should now be able to see the view as below under your permissions Also keep in mind: If you are trying to access the site from a browser within the domain, then you’ll need to change some browser settings to see the after affects. Normally this is because the browsers (Internet Explorer) is set to log in automatically to intranet zone only , not sure if you have explicitly changed the zones and added it to trusted sites. If this is from a box within your domain please try to access the site by temporarily changing the Internet Explorer setting to Anonymous Logon on the zone that the site is added example "Intranet" and try . You will find the same settings by clicking on Tools > Internet Options > Security Tab.

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• Why isn't SSL/TLS built into modern Operating Systems?

  - by Channel72

  A lot of the basic network protocols that make up the infrastructure of the Internet are built in to most major Operating Systems. Things like TCP, UDP, and DNS are all built into Linux, UNIX and Windows, and are made available to the programmer through low-level system APIs. But when it comes to SSL or TLS, one has to turn to a third-party library such as OpenSSL or Mozilla NSS. SSL is a relatively old protocol, and it's basically an industry standard as ubiquitous as TCP/IP, so why isn't it built into most Operating Systems?

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• Help to setup networking in Virtualbox Ubuntu Guest from Windows vista Host

  - by Ramesh Vel

  Hi, I am trying to access the MYSQL installed inside the Ubuntu Guest (In VirtualBox) from my Windows vista Host. It always says not able to find the given IP in the network. I have tried ping the ubuntu virtual machine, but it was not working. So i believe root cause for this is, some bridging between Host & Guest is not enabled. Since i am very new to Ubuntu, am not able to troubleshoot this. Can someone help me out? Cheers

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• Mount - Unable to find suitable address

  - by Benny

  I am trying to mount my Windows share through my Ubuntu box (no xwindow), but I continue to get Unable to find suitable address I have tried using the raw IP address, I have checked the credentials, I have disabled the Windows firewall, but I cannot find anything wrong. benny@backup:~$ sudo mount -t cifs //my-desk/j -o username=me,password=s)mePasss /mnt/sync Unable to find suitable address. benny@backup:~$ ping my-desk PING my-desk (10.10.10.43) 56(84) bytes of data. ? --- my-desk ping statistics --- 2 packets transmitted, 0 received, 100% packet loss, time 1008ms benny@backup:~$ sudo mount -t cifs //10.10.10.43/j -o username=me,password=s)mePasss /mnt/sync Unable to find suitable address. Any help would be greatly appreciated!

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• "lo: Disabled Privacy Extensions" and ipv6 disabling?

  - by Smartkid

  There are lots of "lo: Disabled Privacy Extensions" in var/log/messages . I googled and find it is ipv6 releated, so I tried to disable ipv6. I added the following lines to /etc/sysctl.conf net.ipv6.conf.all.disable_ipv6=1 net.ipv6.conf.default.disable_ipv6=1 net.ipv6.conf.lo.disable_ipv6=1 and blacklist ipv6 to /etc/modprobe.d/blacklist.conf after that, I restarted the network by /etc/init.d/networking restart . My question is: The ip addr still shows inet6 address attached to eth0 in forms like inet6 fe80::212:79ff:fecf:edaf/64 scope link Does it means my ipv6 not disabled?

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• exclamation mark for sitemaps in webmastertools when resubmited

  - by Jayapal Chandran

  Hi, I have three sitemaps submitted to webmastertools. In that one has very few links and was accepted. It showed a green tick. The other two had around 150 links. They had been accepted in think yet webmastertools displays the exclamation mark. I think i saw this already but what confused was my hosting was blocking frequent bots recently by using a firewall and just now they added googles ip range in their witelist. and then my robots and sitemaps were read by webmastertools. But two sitemaps shows exclamation. I hope it is nothing to do with the above problem. What are all the reasons and where can i see the reason for that exclamation mark.? Here is the screen shot.

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• WebLogic Server JMS WLST Script – Who is Connected To My Server

  - by james.bayer

  Ever want to know who was connected to your WebLogic Server instance for troubleshooting?  An email exchange about this topic and JMS came up this week, and I’ve heard it come up once or twice before too.  Sometimes it’s interesting or helpful to know the list of JMS clients (IP Addresses, JMS Destinations, message counts) that are connected to a particular JMS server.  This can be helpful for troubleshooting.  Tom Barnes from the WebLogic Server JMS team provided some helpful advice: The JMS connection runtime mbean has “getHostAddress”, which returns the host address of the connecting client JVM as a string.  A connection runtime can contain session runtimes, which in turn can contain consumer runtimes.  The consumer runtime, in turn has a “getDestinationName” and “getMemberDestinationName”.  I think that this means you could write a WLST script, for example, to dump all consumers, their destinations, plus their parent session’s parent connection’s host addresses.    Note that the client runtime mbeans (connection, session, and consumer) won’t necessarily be hosted on the same JVM as a destination that’s in the same cluster (client messages route from their connection host to their ultimate destination in the same cluster). Writing the Script So armed with this information, I decided to take the challenge and see if I could write a WLST script to do this.  It’s always helpful to have the WebLogic Server MBean Reference handy for activities like this.  This one is focused on JMS Consumers and I only took a subset of the information available, but it could be modified easily to do Producers.  I haven’t tried this on a more complex environment, but it works in my simple sandbox case, so it should give you the general idea. # Better to use Secure Config File approach for login as shown here http://buttso.blogspot.com/2011/02/using-secure-config-files-with-weblogic.html connect('weblogic','welcome1','t3://localhost:7001')   # Navigate to the Server Runtime and get the Server Name serverRuntime() serverName = cmo.getName()   # Multiple JMS Servers could be hosted by a single WLS server cd('JMSRuntime/' + serverName + '.jms' ) jmsServers=cmo.getJMSServers()   # Find the list of all JMSServers for this server namesOfJMSServers = '' for jmsServer in jmsServers: namesOfJMSServers = jmsServer.getName() + ' '   # Count the number of connections jmsConnections=cmo.getConnections() print str(len(jmsConnections)) + ' JMS Connections found for ' + serverName + ' with JMSServers ' + namesOfJMSServers   # Recurse the MBean tree for each connection and pull out some information about consumers for jmsConnection in jmsConnections: try: print 'JMS Connection:' print ' Host Address = ' + jmsConnection.getHostAddress() print ' ClientID = ' + str( jmsConnection.getClientID() ) print ' Sessions Current = ' + str( jmsConnection.getSessionsCurrentCount() ) jmsSessions = jmsConnection.getSessions() for jmsSession in jmsSessions: jmsConsumers = jmsSession.getConsumers() for jmsConsumer in jmsConsumers: print ' Consumer:' print ' Name = ' + jmsConsumer.getName() print ' Messages Received = ' + str(jmsConsumer.getMessagesReceivedCount()) print ' Member Destination Name = ' + jmsConsumer.getMemberDestinationName() except: print 'Error retrieving JMS Consumer Information' dumpStack() # Cleanup disconnect() exit() Example Output I expect the output to look something like this and loop through all the connections, this is just the first one: 1 JMS Connections found for AdminServer with JMSServers myJMSServer JMS Connection:   Host Address = 127.0.0.1   ClientID = None   Sessions Current = 16    Consumer:      Name = consumer40      Messages Received = 1      Member Destination Name = myJMSModule!myQueue Notice that it has the IP Address of the client.  There are 16 Sessions open because I’m using an MDB, which defaults to 16 connections, so this matches what I expect.  Let’s see what the full output actually looks like: D:\Oracle\fmw11gr1ps3\user_projects\domains\offline_domain>java weblogic.WLST d:\temp\jms.py   Initializing WebLogic Scripting Tool (WLST) ...   Welcome to WebLogic Server Administration Scripting Shell   Type help() for help on available commands   Connecting to t3://localhost:7001 with userid weblogic ... Successfully connected to Admin Server 'AdminServer' that belongs to domain 'offline_domain'.   Warning: An insecure protocol was used to connect to the server. To ensure on-the-wire security, the SSL port or Admin port should be used instead.   Location changed to serverRuntime tree. This is a read-only tree with ServerRuntimeMBean as the root. For more help, use help(serverRuntime)   1 JMS Connections found for AdminServer with JMSServers myJMSServer JMS Connection: Host Address = 127.0.0.1 ClientID = None Sessions Current = 16 Consumer: Name = consumer40 Messages Received = 2 Member Destination Name = myJMSModule!myQueue Consumer: Name = consumer34 Messages Received = 2 Member Destination Name = myJMSModule!myQueue Consumer: Name = consumer37 Messages Received = 2 Member Destination Name = myJMSModule!myQueue Consumer: Name = consumer16 Messages Received = 2 Member Destination Name = myJMSModule!myQueue Consumer: Name = consumer46 Messages Received = 2 Member Destination Name = myJMSModule!myQueue Consumer: Name = consumer49 Messages Received = 2 Member Destination Name = myJMSModule!myQueue Consumer: Name = consumer43 Messages Received = 1 Member Destination Name = myJMSModule!myQueue Consumer: Name = consumer55 Messages Received = 1 Member Destination Name = myJMSModule!myQueue Consumer: Name = consumer25 Messages Received = 1 Member Destination Name = myJMSModule!myQueue Consumer: Name = consumer22 Messages Received = 1 Member Destination Name = myJMSModule!myQueue Consumer: Name = consumer19 Messages Received = 1 Member Destination Name = myJMSModule!myQueue Consumer: Name = consumer52 Messages Received = 1 Member Destination Name = myJMSModule!myQueue Consumer: Name = consumer31 Messages Received = 1 Member Destination Name = myJMSModule!myQueue Consumer: Name = consumer58 Messages Received = 1 Member Destination Name = myJMSModule!myQueue Consumer: Name = consumer28 Messages Received = 1 Member Destination Name = myJMSModule!myQueue Consumer: Name = consumer61 Messages Received = 1 Member Destination Name = myJMSModule!myQueue Disconnected from weblogic server: AdminServer     Exiting WebLogic Scripting Tool. Thanks to Tom Barnes for the hints and the inspiration to write this up. Image of telephone switchboard courtesy of http://www.JoeTourist.net/ JoeTourist InfoSystems

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• Which comes first DNS or name servers?

  - by Thomas Clayson

  Which comes first? DNS or nameservers? Its just I'm editing a domain and want to point it to different hosting servers. Now, normally I'd just set the nameservers to the new hosting nameservers, but this doesn't seem to be working (the control panels not brilliant - doesn't say "accepted" or "success" - and whois searches are turning up nothing - although I should leave it a while longer). Anyway - the point is, in the DNS records there are two A records (one for " " and one for "www") which have an ip address associated with them. So this is what I don't understand. If I change the nameservers, do I have to remove the DNS records? Will name servers "overwrite" a DNS record? Or vice versa? Thank you.

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• Silverlight Cream for April 27, 2010 -- #849

  - by Dave Campbell

  In this Issue: Mike Snow, Kunal Chowdhury, Giorgetti Alessandro, Alexander Strauss, Corey Schuman, Kirupa, John Papa, Miro Miroslavov, Michael Washington, and Jeremy Likness. Shoutouts: Erik Mork and crew have posted their latest This Week In Silverlight April 23 2010 The Silverlight Team announced Microsoft releases Silverlight-powered Windows Intune beta Jesse Liberty has posted his UK and Ireland Slides and Links The Expression Blend and Design Blog reports a Minor Update to The Expression Blend 4 Release Candidate From SilverlightCream.com: Silverlight Tip of the Day #6 – Toast Notifications Mike Snow has Tip #6 up today and it's about Toast notifications in OOB apps: Restrictions, creation, showing, and the code. Silverlight Tutorials Chapter 2: Introduction to Silverlight Application Development Part 2 of Kunal Chowdhury's Introductory tutorial set is up ... he's covering how to create a Silverlight project, what's contained in it, and creating a User Control. Silverlight, M-V-VM ... and IoC - part 3 Giorgetti Alessandro has part 3 of his Silverlight, IOC, and MVVM series up... this one with an example using the code discussed previously. The project is on CodePlex, and he's not done with the series. Application Partitioning with MEF, Silverlight and Windows Azure – Part I Alexander Strauss is discussing Silverlight and MEF for loosely-coupled and partitioned apps. He's also using Azure in this discussion. geekSpeak Recording - Five Key Developer Features in Expression Blend with Corey Schuman Check out the latest geekSpeak on Channel 9 where Corey Schuman talks about the 5 key Developer Features in Expression Blend that will improve your productivity. Using the ChangePropertyAction Kirupa is discussing and demonstrating ChangePropertyAction. Check out the demo near the top of the post, then read how to do it, and download the source. 3 Free Silverlight Demos John Papa blogged about the 2 demos (with source) that have been updated to SL4, and a new one all by Microsoft Luminaries Karen Corby, Adam Kinney, Mark Rideout, Jesse Bishop, and John Papa: "ScrapBook", "HTML and Video Puzzle", and "Rich Notepad". Floating Visual Elements I like Miro Miroslavov's comment: "every Silverlight application “must” have some objects floating around in a quite 3D manner" :) ... well they do that on the CompletIT site, and this is part 2 of their explanation of how all that goodness works. MVVM – A Total Design Change Of Your Application With No Code With some Blend goodness, Michael Washington completely reorganizes the UI of an MVVM application without touching any code ... project included MVVM with Transaction and View Locator Example Jeremy Likness responded to reader requests and has an example up, with explanation, of marrying his last two posts: transactions with MVVM and View Model Locator. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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• Happy 3rd Birthday SilverlightCream!

  - by Dave Campbell

  Happy 3rd Birthday!     Yesterday (May 16) was the 'Birthday' of SilverlightCream, which started just after MIX in 2007 with a post "Interesting Silverlight posts today: Silverlight Control & Silverlight Pad". Too many good posts flying around led me to want to archive them, particularly since I was being aggregated at a new site Silverlight.net, and I could give some of that 'reach' to the community. Saturday's post was number 862, and as of that post, there were 5697 blog posts archived in the database all tagged up and searchable at SilverlightCream.com using the search page. The search needs to be better, and that's another discussion, but it does work. The blog didn't begin life as the SilverlightCream blog, as is obvious from the name, but once I realized people were following it closely, I've tried to keep the signal-to-noise ratio very high. I even secured another blog for when I just want to rant about something to keep that stuff out of this one :) If you've been around since MIX07 days you've heard all this, but after talking to some people at MIX10 I realized not everyone knows all the ways the information is presented, so I figured doing a post like this once a year probably isn't a bad idea :) I scrounge through an ever-growing list of blogs (right now sitting at 505) looking for good stuff. I try to spin through the list every day, but with the list growing that large, it's getting tough. I usually use it as a background task while working or watching TV. If I just sit and go through the blogs it takes about an hour. The list is long enough now that from time to time, I'll only get partway through it and have 10 to 13 entries, so I'll just stop there and go on the next day... I don't like to have more than 15 in any single post. It's all pattern recognition as in "seen that", "seen that", "that's new", etc... so if you're a blogger, look at a heading below for some comments about blogging from my perspective. When I see something new, I make sure you're not pulling a 'Mike Taulty' on me and dumping 6 or 8 new posts in one day :), and I tag the ones I want to review. If there's not a lot going on, I may just push the posts as I come across them. Some days there may be 60 posts in that 'to review' list! Some are non-Silverlight, some are essentially duplicates of others, some are demos, ads, new releases of something, session materials, etc. I push lots of material into a database at WynApse.com, and the "Tagged Posts" menu on the left sidebar there takes you to a tag cloud of (at this very moment) "9224 articles tagged 13915 different ways using 459 unique tags". There are links in there on Gibson guitars, Jazz Guitar instructional stuff, Ford F-250 links, and tons of technical and non-technical stuff I've been aggregating for about 5 years now. So when I decide to blog (or shoutout) something, I first push it into the database at WynApse.com. Then I tag it all up and push it into the database at SilverlightCream.com. Then it gets pushed to @SilverlightNews. For a little over a year now, we're tracking unique IP hits on posts launched from either the blog post or from one of the SilverlightCream.com pages, and the posts with top hits from unique IP addresses in the last 7 days are displayed in a 'Skim' page at SilverlightCream... and that page needs work as well. The Skim page and tracking was the brainchild of my buddy Michael Washington. What I blog/shoutout After some time doing posts, I decided there were things that probably have no need to be searchable, but are good information, so I post those as 'Shoutouts'. Eventually I also decided the Shoutouts should get posted to @SilverlightNews, and that's now taking place. Notes to bloggers Remember I said spinning throught the Big List-o-BlogsTM is pattern recognition... that means I don't spend a lot of time on any individual blog deciding if it has new content. If you're familiar with the term 'Above the Fold', then you're probably ok. If I have to scroll the page to see if there's something new, or wade through some maze of menus, I'm probably going to miss new stuff. Likewise if you only show the latest on the front page and make it a puzzle to find the rest of them, or if you make the titles and initial graphics almost identical to the previous article, I'll miss it. Another thing is name/brand-recognition. Far be it for me (WynApse) to comment on someone blogging with a pseudonym, but if you want to get get some recognition, you are going to want your name to be available somewhere. I can think right off the top of my head of a couple good blogs that I have no idea of the individuals' real names. I can pull that off a bit because I've been around so long almost everyone knows who I am, but if you're new to the blog-o-sphere, being able to be name-recognized is as important as getting your brand out there. Kick my tires Finally, stuff happens... I may hit the wrong key and delete your blog, or a post might slip past me and I not realize it's new because of the naming, and never blog it. If you think I missed something, send me an email or use the submit page at SilverlightCream.com. Some bloggers have figured out that if they submit (one way or another) to me, their posts will go out next. I try to honor anyone that takes the time to submit with a quicker 'Cream posting. Thanks! Finally, thanks to everyone that contributes to the community as a whole... the blogs, the videos, and the presentations. A special thanks to everyone that reads SilverlightCream, or follows @WynApse or @SilverlightNews. Keep it all coming, and... Stay in the 'Light

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