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  • How DBAs Can Tune Distributed IBM DB2 Applications

    Many critical business applications now execute in an environment separate from that of the enterprise database server. The database administrator often finds monitoring and performance tuning of these "distributed" applications to be especially difficult. This article looks at common performance issues of distributed applications and presents advice to assist the IBM DB2 database administrator in mitigating performance problems.

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  • IBM System x Server Buyer's Guide

    IBM has taken to the road with the message that Intel's Nehalem EX processors coupled with Big Blue's system engineering talents has resulted in a platform well-suited for virtualization, consolidation and mission-critical applications. Does the server hardware live up to the praise?

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  • IBM System x Server Buyer's Guide

    IBM has taken to the road with the message that Intel's Nehalem EX processors coupled with Big Blue's system engineering talents has resulted in a platform well-suited for virtualization, consolidation and mission-critical applications. Does the server hardware live up to the praise?

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  • Orphan IBM JVM process

    - by Nicholas Key
    Hi people, I have this issue about orphan IBM JVM process being created in the process tree: For example: C:\Program Files\IBM\WebSphere\AppServer\bin>wsadmin -lang jython -f "C:\Hello.py" Hello.py has the simple implementation: import time i = 0 while (1): i = i + 1 print "Hello World " + str(i) time.sleep(3.0) My machine has such JVM information: C:\Program Files\WebSphere\java\bin>java -verbose:sizes -version -Xmca32K RAM class segment increment -Xmco128K ROM class segment increment -Xmns0K initial new space size -Xmnx0K maximum new space size -Xms4M initial memory size -Xmos4M initial old space size -Xmox1624995K maximum old space size -Xmx1624995K memory maximum -Xmr16K remembered set size -Xlp4K large page size available large page sizes: 4K 4M -Xmso256K operating system thread stack size -Xiss2K java thread stack initial size -Xssi16K java thread stack increment -Xss256K java thread stack maximum size java version "1.6.0" Java(TM) SE Runtime Environment (build pwi3260sr6ifix-20091015_01(SR6+152211+155930+156106)) IBM J9 VM (build 2.4, JRE 1.6.0 IBM J9 2.4 Windows Server 2003 x86-32 jvmwi3260sr6-20091001_43491 (JIT enabled, AOT enabled) J9VM - 20091001_043491 JIT - r9_20090902_1330ifx1 GC - 20090817_AA) JCL - 20091006_01 While the program is running, I tried to kill it and subsequently I found an orphan IBM JVM process in the process tree. Is there a way to fix this issue? Why is there an orphan process in the first place? Is there something wrong with my code? I really don't believe that my simplistic code is wrongly implemented. Any suggestions?

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  • Coding solution to WAR installation error (Websphere Portal 6.0) ?

    - by Scott Leis
    I have a Websphere Portal application containing several portlets for which I'm currently working on some changes. A week ago, the WAR file produced by Rational Application Developer could be installed on the Portal server with no problems. Yesterday I made some seemingly minor changes to two JSP files and their associated "pagecode" Java files, and attempting to update the WAR on the server (using the Portal Administration web interface) now produces an error message. The WAR upload works, and the system shows me the correct list of portlets in the WAR file, but clicking "Finish" gives me a page with the error message "EJPAQ1319E: Cannot install the selected WAR file. View Details". Clicking the "View Details" link gives me a page with the following text: EJPAQ1319E: Cannot install the selected WAR file. com.ibm.portal.WpsException: EJPAQ1319E: Cannot install the selected WAR file. at com.ibm.wps.portlets.portletmanager.actions.DoInstallWebModuleAction.installPortletFromFormFile(DoInstallWebModuleAction.java:633) at com.ibm.wps.portlets.portletmanager.actions.DoInstallWebModuleAction.doExecute(DoInstallWebModuleAction.java:159) at com.ibm.wps.portlets.adminstruts.actions.BaseAction.execute(BaseAction.java:64) at com.ibm.wps.portlets.struts.WpsRequestProcessor.processActionPerform(WpsRequestProcessor.java:338) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274) at com.ibm.wps.portlets.struts.WpsStrutsPortlet.processActionPerformed(WpsStrutsPortlet.java:1947) at com.ibm.wps.portlets.struts.WpsStrutsPortlet.actionPerformed(WpsStrutsPortlet.java:1637) at com.ibm.wps.portlets.adminstruts.WpsAdminStrutsPortlet.actionPerformed(WpsAdminStrutsPortlet.java:261) at com.ibm.wps.pe.pc.legacy.SPIPortletInterceptorImpl.handleEvents(SPIPortletInterceptorImpl.java:323) EJPPE0020E: It is not allowed to install a JSR 168 compliant over a 4.x portlet application. com.ibm.wps.command.applications.AppWarFileException: EJPPE0020E: It is not allowed to install a JSR 168 compliant over a 4.x portlet application. WrappedException is: com.ibm.wps.pe.mgr.exceptions.InvalidWarFileException: EJPPE0020E: It is not allowed to install a JSR 168 compliant over a 4.x portlet application. at com.ibm.wps.command.applications.AbstractApplicationsCommand.throwAppMgrException(AbstractApplicationsCommand.java:492) at com.ibm.wps.command.applications.UpdatePortletApplicationCommand.execute(UpdatePortletApplicationCommand.java:165) at com.ibm.wps.portlets.portletmanager.actions.DoInstallWebModuleAction.installPortletFromFormFile(DoInstallWebModuleAction.java:510) at com.ibm.wps.portlets.portletmanager.actions.DoInstallWebModuleAction.doExecute(DoInstallWebModuleAction.java:159) at com.ibm.wps.portlets.adminstruts.actions.BaseAction.execute(BaseAction.java:64) at com.ibm.wps.portlets.struts.WpsRequestProcessor.processActionPerform(WpsRequestProcessor.java:338) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274) at com.ibm.wps.portlets.struts.WpsStrutsPortlet.processActionPerformed(WpsStrutsPortlet.java:1947) EJPPE0020E: It is not allowed to install a JSR 168 compliant over a 4.x portlet application. com.ibm.wps.pe.mgr.exceptions.InvalidWarFileException: EJPPE0020E: It is not allowed to install a JSR 168 compliant over a 4.x portlet application. at com.ibm.wps.pe.mgr.AbstractApplicationManagerImpl.updateWebModule(AbstractApplicationManagerImpl.java:1338) at com.ibm.wps.pe.mgr.AbstractApplicationManagerImpl.updateWebModule(AbstractApplicationManagerImpl.java:1255) at com.ibm.wps.command.applications.UpdatePortletApplicationCommand.execute(UpdatePortletApplicationCommand.java:135) at com.ibm.wps.portlets.portletmanager.actions.DoInstallWebModuleAction.installPortletFromFormFile(DoInstallWebModuleAction.java:510) at com.ibm.wps.portlets.portletmanager.actions.DoInstallWebModuleAction.doExecute(DoInstallWebModuleAction.java:159) at com.ibm.wps.portlets.adminstruts.actions.BaseAction.execute(BaseAction.java:64) at com.ibm.wps.portlets.struts.WpsRequestProcessor.processActionPerform(WpsRequestProcessor.java:338) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274) at com.ibm.wps.portlets.struts.WpsStrutsPortlet.processActionPerformed(WpsStrutsPortlet.java:1947) All I've been able to find about this error via Google is the following in the Websphere Portal documentation: EJPPE0020E: It is not allowed to install a {0} over a {1} portlet application. Explanation: A portlet application containing legacy portlets can only be updated with another portlet application that contains legacy portlets. The same is true for standard portlet applications. User Response: Modify the portlet.xml of the application such that it matches the original API type, standard or legacy and try again. However, the "portlet.xml" file has not changed in about a month, and I've done several WAR updates for this application in that time with no problems. The problem seems to be caused by the code changes I did yesterday, but I have no clue why a few lines of code would do this. Any ideas?

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  • Ubuntu Installation Help for an IBM R31 Thinkpad

    - by David Taylor
    I recently acquired an old IBM R31 Thinkpad, and I'd figure I'd install Lubuntu on it. I've followed the quick steps for USB installation on the help wiki page, but I can't seem to get it to boot from my formatted flash drive. I've checked the boot priority on the BIOS page, but the option to boot from USB doesn't even seem to be there. The only bootable options are legacy and USB floppy drives. The CD drive is shot, so I can't install from there either. Do I have any other options for installation without having to pay for a floppy drive or a replacement CD drive? The wiki pages mentions something about installation from within Windows. Would it be possible to remove Windows using this option, or would it just create a partition? Thanks

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  • How do I add the j2ee.jar to a Java2WSDL ant script programmatically?

    - by Marcus
    I am using IBM's Rational Application Developer. I have an ant script that contains the Java2WSDL task. When I run it via IBM, it gives compiler errors unless I include the j2ee.jar file in the classpath via the run tool (it does not pick up the jar files in the classpath in the script). However, I need to be able to call this script programmatically, and it is giving me this error: "java.lang.NoClassDefFoundError: org.eclipse.core.runtime.CoreException" I'm not sure which jars need to be added or where? Since a simple echo script runs, I assume that it is the j2ee.jar or another ant jar that needs to be added. I've added it to the project's buildpath, but that doesn't help. (I also have ant.jar, wsanttasks.jar, all the ant jars from the plugin, tools.jar, remoteAnt.jar, and the swt - all which are included in the buildpath when you run the script by itself.) Script: <?xml version="1.0" encoding="UTF-8"?> <project default="build" basedir="."> <path id="lib.path"> <fileset dir="C:\Program Files\IBM\WebSphere\AppServer\lib" includes="*.jar"/> <!-- Adding these does not help. <fileset dir="C:\Program Files\IBM\SDP70Shared\plugins\org.apache.ant_1.6.5\lib" includes="*.jar"/> <fileset dir="C:\Program Files\IBM\SDP70\jdk\lib" includes="*.jar"/> <fileset dir="C:\Program Files\IBM\SDP70\configuration\org.eclipse.osgi\bundles\1139\1\.cp\lib" includes="*.jar"/> <fileset dir="C:\Program Files\IBM\SDP70Shared\plugins" includes="*.jar"/> --> </path> <taskdef name="java2wsdl" classname="com.ibm.websphere.ant.tasks.Java2WSDL"> <classpath refid="lib.path"/> </taskdef> <target name="build"> <echo message="Beginning build"/> <javac srcdir="C:\J2W_Test\Java2Wsdl_Example" destdir="C:\J2W_Test\Java2Wsdl_Example"> <classpath refid="lib.path"/> <include name="WSExample.java"/> </javac> <echo message="Set up javac"/> <echo message="Running java2wsdl"/> <java2wsdl output="C:\J2W_Test\Java2Wsdl_Example\example\META-INF\wsdl\WSExample.wsdl" classpath="C:\J2W_Test\Java2Wsdl_Example" className= "example.WSExample" namespace="http://example" namespaceImpl="http://example" location="http://localhost:9080/example/services/WSExample" style="document" use="literal"> <mapping namespace="http://example" package="example"/> </java2wsdl> <echo message="Complete"/> </target> </project> Code: File buildFile = new File("build.xml"); Project p = new Project(); p.setUserProperty("ant.file", buildFile.getAbsolutePath()); DefaultLogger consoleLogger = new DefaultLogger(); consoleLogger.setErrorPrintStream(System.err); consoleLogger.setOutputPrintStream(System.out); consoleLogger.setMessageOutputLevel(Project.MSG_INFO); p.addBuildListener(consoleLogger); try { p.fireBuildStarted(); p.init(); ProjectHelper helper = ProjectHelper.getProjectHelper(); p.addReference("ant.projectHelper", helper); helper.parse(p, buildFile); p.executeTarget(p.getDefaultTarget()); p.fireBuildFinished(null); } catch (BuildException e) { p.fireBuildFinished(e); } Error: [java2wsdl] java.lang.NoClassDefFoundError: org.eclipse.core.runtime.CoreException [java2wsdl] at java.lang.J9VMInternals.verifyImpl(Native Method) [java2wsdl] at java.lang.J9VMInternals.verify(J9VMInternals.java:68) [java2wsdl] at java.lang.J9VMInternals.initialize(J9VMInternals.java:129) [java2wsdl] at com.ibm.ws.webservices.multiprotocol.discovery.ServiceProviderManager.getDiscoveredServiceProviders(ServiceProviderManager.java:378) [java2wsdl] at com.ibm.ws.webservices.multiprotocol.discovery.ServiceProviderManager.getAllServiceProviders(ServiceProviderManager.java:214) [java2wsdl] at com.ibm.ws.webservices.wsdl.fromJava.Emitter.initPluggableBindings(Emitter.java:2704) [java2wsdl] at com.ibm.ws.webservices.wsdl.fromJava.Emitter.<init>(Emitter.java:389) [java2wsdl] at com.ibm.ws.webservices.tools.ant.Java2WSDL.execute(Java2WSDL.java:122) [java2wsdl] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275) [java2wsdl] at org.apache.tools.ant.Task.perform(Task.java:364) [java2wsdl] at org.apache.tools.ant.Target.execute(Target.java:341) [java2wsdl] at org.apache.tools.ant.Target.performTasks(Target.java:369) [java2wsdl] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216) [java2wsdl] at org.apache.tools.ant.Project.executeTarget(Project.java:1185) [java2wsdl] at att.ant.RunAnt.main(RunAnt.java:32)

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  • (RAD Studio) Virtual TreeView: how to initialize all nodes at once?

    - by Andrew
    Hi, I just discovered this component and started working with it. I understand that the whole concept of it is to initialize nodes on the go as they are needed but I need all of them to initialize instantly. What is the smart way to do it? The only thing I came up with is to use GetLast() after adding nodes. I believe, there is a better way, or not?

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  • RAD - Websphere Application server won't start

    - by Caroline
    I am having issues with RAD7. My server will not start for me today. I am working from home and connected to the VPN. Everything works except my server in RAD. It worked fine yesterday in work and had previously worked when I was at home but that was a few weeks ago. Are there any settings that I should look out for? I have disabled my proxy settings in RAD and turned off everything in my firewall. I can ping all the DBs that the server is connecting to. I have even removed all the projects from the server and it will still not start. It keeps trying and then times out after 300s. Any suggestions?

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  • Is MS Access still the most efficient RAD tool for small-scale custom apps?

    - by FastAl
    Of the many other development tools I've used, nothing holds a candle to the 'Functionality to Development Effort' ratio of MS Access. The reason I am asking is that I have been out of the language selection process for a few years, working on a large .Net system, and am only anecdotally familiar with the latest development tools outside the .Net world. I'm well aware of the limitations of Access, but for a limited concurrency (usually only 1 user at a time), small business, custom app, has anybody found a comparable end-to-end solution or combination that comes close? It doesn't have to be free, open source, or even Windows based. It just has to allow the same speed of development and maintenance, and maybe even provide some additional amenities like seamless autointegration with a server-based DB Engine (like Access does with its own 'Jet' dbms), better web support, and a file format more compatible with source control. I don't want to miss out on anything. Please share your development experience with your suggestions. Thanks.

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  • What does it mean for a computer to be an "IBM Compatible PC"?

    - by Jon
    A couple questions about this: 1) Is this term even relevant any more? 2) Does this mean anything from a developer's stand point? It is not exactly clear to me if this is a BIOS, architecture, bus or a combination. A piece of software I'm working on expects to see a "Description" of the system and currently windows machines report "AT/AT Compatible". Having been tasked to port this to Mac, I really don't know what a proper "Description" would be - this will most likely be omitted but I was wondering if anyone could provide some insight on the modern usage of this term.

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  • IBM BladeServer Chassis compatibility

    - by Matt
    Hi, I'm looking at buying a 3 year old blade server. My question is, if I buy it and want to insert a current model blade, will it fit? Also, if the chassis goes "POP" and I need to replace it, will the current model chassis fit 3 year old blades? What about Power supply replacements? The chassis I'm looking at is this: IBM FRU / PN: M8677-3XM with DVD reader The blades are all IBM HS20's. We've had a good run with IBM hardware and although there is some nice ex-lease HP hardware available, my understanding is that backwards comparability is not so well maintained. Is this true?

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  • IBM enrichit sa solution de Business Intelligence Cognos Express avec Planner un nouvel outil de planification pour les PME

    IBM enrichit sa solution de Business Intelligence Cognos Express Avec Planner un nouvel outil de planification pour les PME IBM vient de lancer « Planner », un nouveau module pour sa solution d'analyse et d'informatique décisionnelle « Cognos Express ». Le module est spécialement conçu pour répondre aux besoins des moyennes entreprises. IBM Cognos Express Planner devrait offrir une démarche structurée de planification, facile à déployer et à utiliser qui permet aux utilisateurs de réagir rapidement aux conditions changeantes du marché. D'après IBM, l'interface utilisateur de Planner, simplifiée, devrait permettre aux financiers et aux non-financiers de collaborer en...

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  • IBM Server Config questions

    - by Joel Coel
    I have a few questions on a potential server setup. First, the situation: Last year we bought an IBM x3500 server with 2 Xeon E5410's, 9GB RAM, 6 HDDs. The original intent for this server was to replace the old exchange e-mail server. It was brought in, set up, and then shortly after we switched to gmail. Shortly after that my predecessor left for greener pastures, and finally I was hired. So this nice server is now sitting (mostly) idle. This year I have budget again for one server, and of course I want to put this other server to work. I'm thinking about the best use for the two server, and I think I finally have a plan for what I want to do with them. The idea is to use the two newer servers as a pair of VM hosts. I will set up each server with the same 8 VMs, but divide up the load so that only 4 are active per physical host. That means I've normally got 2GB RAM + 2 cores per host. I've done some load testing to pick out what servers to convert to virtual, and chose them so that each host will be capable of handling the entire set of 8 by itself in a pinch with 1 core and 1GB RAM, but would be very taxed to do so. This should take our data center from 13 total servers down to 7. The "servers" I'm replacing are mostly re-purposed desktops, so I'm more than happy to be able to do this. Now it's time to go shopping for the new server. I'd like my two hosts to match as closely as possible, and so I'm looking at IBM again. It also helps that we have some educational matching grant money from IBM that I need to use to help pay for this system (we're a small private college). So finally, (if you're not bored already), we come to my questions: Am I missing anything big or obvious in this plan? I'm a little worried about network performance since the VM hosts will only have 4 nics total where 8 used to be, but I don't think it will be a problem. Is there anything else like this I might be overlooking? Am I making it even too complicated? IBM no longer has a good analog to last year's server. If I want to match the performance (8 cores, 9GB RAM, 1333mhz front side bus, 6 spindles), I have to spend quite a bit more than we paid last year: $2K+, or nearly a 33% cost increase. This only brings a marginal increase in performance. The alternative to stay in budget is to take a hit on the fsb down to 800mhz or cut the number of cores in half, neither of which is attractive. The main cost culprit is the processor. IBM no longer offers the E5410. It's listed as a part, but not available in any of the server configs I've looked at. I'm considering getting the cheapest 800mhz fsb dual core xeon I can configure and then buying the E5410's separately. That's still an extra $350 I wasn't counting on, but that's better than $2K. I want to know what others think of this - will it work or will I end up with the wrong motherboard or some other issue? Am I missing a simple way to configure the server I really want? I don't really intend to do this, but one option to save some money back is to omit the redundant power supply. Since my redundancy plan for these system is to switch over to a completely different host, the extra power isn't fully necessary. That said, it's still very helpful to avoid even short downtimes while I switch over VMs. Has anyone done this?

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  • Connect to ibm mq with jms . Specify the channel and queue manager

    - by bhargav
    How do i specify which queue manager to connect to in my system properties. Here is the code: Properties properties = new Properties(); properties.setProperty("java.naming.factory.initial", "com.ibm.mq.jms.context.WMQInitialContextFactory"); properties.setProperty("java.naming.provider.url", "localhost:1414/SYSTEM.DEF.SVRCONN"); Context context = new InitialContext(properties); factory= (QueueConnectionFactory)context.lookup("TESTOUT"); context always gets TEST que only not able to connect to TESTOUT queue

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  • QT vs. Net - REAL comparisons for R.A.D. projects

    - by Pirate for Profit
    Man in all these Qt vs. .NET discussions 90% these people argue about the dumbest crap. Trying to get a real comparison chart here, because I know a little about both frameworks but I don't know everything. I believe Qt and .NET both have strengths and weaknesses. This is to make a comparison that highlights these so people can make more informed decisions before embarking on a project, in the spirit of R.A.D. Event Handling In Qt the event handling system is very simple. You just emit signals when something cool happens and then catch them in slots. ie. // run some calculations, then emit valueChanged(30, false, 20.2); and then catching it, any object can make a slot to recieve that message easily void MyObj::valueChanged(int percent, bool ok, float timeRemaining). It's easy to "block" an event or "disconnect" when needed, and works seamlessly across threads... once you get the hang of it, it just seems a lot more natural and intuitive than the way the .NET event handling is set up (you know, void valueChanged(object sender, CustomEventArgs e). And I'm not just talking about syntax, because in the end the .NET anonymous delegates are the bomb. I'm also talking about in more than just reflection (because, yes, .NET obviously has much stronger reflection capabilities). I'm talking about in the way the system feels to a human being. Qt wins hands down for the simplest yet still flexible event handling system ever i m o. Plugins and such I do love some of the ease of C# compared to C++, as well as .NET's assembly architecture, even though it leads to a bunch of .dll's (there's ways to combine everything into a single exe though). That is a big bonus for modular projects, which are a PITA to import stuff in C++ as far as RAD is concerned. Database Ease of Doing Crap Also what about datasets and database manipulations. I think .net wins here but I'm not sure. Threading/Conccurency How do you guys think of the threading? In .NET, all I've ever done is make like a list of master worker threads with locks. I like QConcurrentFramework, you don't worry about locks or anything, and with the ease of the signal slot system across threads it's nice to get notified about the progress of things. QConcurrent is the simplest threading mechanism I've ever played with. Memory Usage Also what do you think of the overall memory usage comparison. Is the .NET garbage collector pretty on the ball and quick compared to the instantaneous nature of native memory management? Or does it just let programs leak up a storm and lag the computer then clean it up when it's about to really lag? Doesn't the just-in-time compiler make native code that is pretty good, like and that only happens the first time the program is run? However, I am a n00b who doesn't know what I'm talking about, please school me on the subject.

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  • Upgrading RAD JDK Version to 1.6

    - by Deena
    Hi, I am using RAD for development. For my application i need to upgrade my JDK compliance to 1.6 from 1.4. I have installed jdk 1.6 and added it to my installed JRE's. Now in the JDK compliance still 1.4 is shown, what should be done to set the JDK compliance to 1.6? Thanks in advance. Cheers, Deena

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  • Rad upload Java applet and z-index

    - by Belgurinn
    I'm using Rad upload for drag and drop upload. It's working perfectly except I'm having a problem with the z-index. I'm also using jquery UI on the site and the overlay doesn't cover the applet. Any ideas on how to control the z-index. It would be nice if there where a setting like in flash where you control wmode. But I've tried z-index on the div that controls it and no result.

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