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• SQL Server 2005 SP4 is here!

  - by AaronBertrand

  Yes, the day has finally arrived, and a couple of weeks ahead of schedule. Typically when Microsoft promises a release in Qx or Hx, the software comes on the last or second last day of that quarter or half. This year, we get an early Christmas present: SQL Server 2005 SP4. To download SP4, go to this link: http://www.microsoft.com/downloads/en/details.aspx?FamilyID=b953e84f-9307-405e-bceb-47bd345baece If you are looking for the Express versions of SP4, you can get Express, Express with Tools, and...(read more)

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• Tellago 2011: Dwight, Chris and Don are MVPs

  - by gsusx

  It’s been a great start of 2011. Tellago’s Dwight Goins has been awarded as a Microsoft BizTalk Server MVP for 2011. I’ve always said that Dwight should have been an MVP a long time ago. His contributions to the BizTalk Server community are nothing but remarkable. In addition to Dwight, my colleagues Don Demsak and Chris Love also renewed their respective MVP award. A few other of us are up for renewal later in the year. As a recognition to Dwight’s award, we have made him the designated doorman...(read more)

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• My Speaking Engagements in the Last Two Months

  - by gsusx

  I’ve been so busy lately with the activities around Moesion that I haven’t had time to blog about a couple of great conferences I had the opportunity to speak at in the last two months. Software Architect Conference, UK ( http://www.software-architect.co.uk/ ) This conference is becoming one of my favorite events of the year. As always Nick Payne and his team did a remarkable job lining up an all-star group of speakers that covered some of the hottest topics in today’s software industry. The first...(read more)

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• Exchange Transport Service Started but not working

  - by Philippe

  Good day, Here is the problem : We are hosting a Microsoft Exchange Server. Everything working fine until recently, where the mail transport seems to go wrong. We almost have to restart the service every morning. The thing is that the transport service is started, but the mail are not delivered to the users and senders to our server get a delayed delivery notification. When we restart the service, all the mail is then delivered to the users and we're good to go for a day or two. Things I've noticed : The store service is growing to around 6 Gb of used RAM, and the w3wp.exe service is hanging around 700mb RAM. Is there a way to schedule a restart of the transport role every 4 hours or something while I'm solving the issue so I don't have to worry when I leave for the week-end? And most of all...does anyone have any idea on how to solve this issue? Thanks, Philippe

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• Everyday Challenges to Improving Brownfield Code Quality

  How best does one integrate code quality tools into an active project?

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• Exchange Transport Service Started but not working

  - by Philippe

  Good day, Here is the problem : We are hosting a Microsoft Exchange Server. Everything working fine until recently, where the mail transport seems to go wrong. We almost have to restart the service every morning. The thing is that the transport service is started, but the mail are not delivered to the users and senders to our server get a delayed delivery notification. When we restart the service, all the mail is then delivered to the users and we're good to go for a day or two. Things I've noticed : The store service is growing to around 6 Gb of used RAM, and the w3wp.exe service is hanging around 700mb RAM. Is there a way to schedule a restart of the transport role every 4 hours or something while I'm solving the issue so I don't have to worry when I leave for the week-end? And most of all...does anyone have any idea on how to solve this issue? Thanks, Philippe

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• Sweden: Hot Java in the Winter

  - by Tori Wieldt

  No, it's not global warming, but for some reason Sweden is a hotbed of great Java developers and great Java conferences in the winter. First, all three Swedish Java Champions are on Computer Sweden's 100 Best Swedish Developers List. You can read the full Sweden's Top 100 Developers article *if* you can read Swedish (or want to use Google Translate). Congratulations to:  Jonas Bonér, CTO Typesafe Skills: In recent years worked with solutions for scalability and availability. Previously, most between programs and compilers. Other qualifications: Located behind the framework Aspectwerkz and Akka platform for developing parallel, scalable and fault-tolerant software in Scala and Java. Rickard Oberg, Neo Technology Skills: Java, and the framework in Java EE and graph databases. Other qualifications: Founder of open source projects Xdoclet and Webwork. The latter is now called Struts second Rickard Oberg wrote the basics of the application server JBoss. Founder of Senselogic and architect of CMS and portal product SiteVision. Launched frameworkQi4j. Been a speaker at Java Zone JavaPolis, Jfokus, Øredev. Mattias Karlsson Skills: Java. Good at agile system development methods and architecture. Activity: telecom, banking, finance and insurance. Other qualifications: Runs Javaforum Stockholm. Arranges the conference Jfokus.  Frequent speaker at major international conferences such as JavaOne. Holds the title Java Champion. Also, Sweden is home to some top-notch Java Developer conferences during the Winter: jDays Gothenburg, Sweden, Dec 3-5. jDays, a dynamic Java developer conference, comes to Gothenburg. In addition to conference and presentations, visitors can join any courses in Java and related technologies for free.  Jfokus Stockholm, Sweden, Feb 4-6. Jfokus is the largest annual conference for everyone who works with Java in Sweden. The conference is arranged together with Javaforum, the Stockholm JUG.  Thanks to all the Java community who keep the Java hot in Sweden!

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• DPM Coordinator Service is not responding

  - by Anatoly Vilchinsky

  Hi dear Gurus! I'm in stuck point now, so please at least try to help me. I've installed DPM 2010 on cluster server (w2k8 r2), everything was fine. Than I've tried tot install Protection Agent on both server of my cluster, but I'm getting error Error 312: The agent operation failed because the DPM Agent Coordinator service is not responding. Error details: The service cannot be started, either because it is disabled or because it has no enabled devices associated with it (0x80070422) Recommended action: Restart the DPM Agent Coordinator service on . And the thing is that I'm totally can't see DPM Agent Coordinator service not on the localhost, nor on the second server. All the suggestion, that I've found in the internet are suggesting to restart this service, but how can I perform this if the one is absent? I'll be glad for any help

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• Is it possible to migrate struts/spring based application to GWT?

  - by Satish Pandey

  I am using the combination of spring, spring-security, struts and iBatis in my application. Now I am looking to migrate the struts UI to GWT. The new combination must be spring, spring-security, GWT and iBatis. I applied a layered approach to develop my application. In Controller/UI layer i am using Struts. I want to replace struts and use GWT in Controller/UI layer. Is is possible to use GWT without affecting another layers DAO/BL/SL?

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• PDF Generation using XSLFO and FOP

  An article describes how to create PDF document programmatically using XSLFO and FOP

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• Chapter 2: A Taste of JavaFX

  As the preface hints, JavaFX has a combination of features that makes it unique. This chapter gives you a taste of the language and some of these features.

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• Java EE 8 update

  - by delabassee

  Planning for Java EE 8 is now well underway. As you know, a few weeks ago, we conducted a three part Java EE 8 Community Survey (you can find the final summary here). The data gathered have been very influential for the next steps. You can now expect over the coming weeks and months to see updates on the various specifications that compose the Java EE platform. Some Specification Leads are busy gathering additional feedback regarding what they should focus their efforts on (e.g. CDI 2 survey). Other Specification Leads have already publicly exposed what they think should be one of the focus for the evolution of the specification they lead.  For example, adding Server-Senet Events (SSE) support in JAX-RS is being discussed here and adding MVC support is being discussed here. Please remember that the fact we are now discussing any feature does not insure that it will be included in the proposal, nor in any particular update to Java EE. We can expect additional enhancements, changes and evolutions as we get closer to the finalisation of the different specifications... and there is still a long way to go with these specification proposals! Linda DeMichiel, Java EE Co-Specification Lead, has recently posted a draft proposal for the Java EE 8 Platform specification. Linda's goal is to recruit people and companies supporting this proposal before submitting it to the JCP.  This draft proposal is very interesting reading as it contains relevant information on the plans for Java EE 8 such as : The themes: Support for the latest web standards (eg. HTTP 2.0)  Continue to work on ease of development Improve the infrastructure for cloud support Alignment with Java SE 8 New JSRs to be added to the platform: J-Cache Java API for JSON Binding Java Configuration Plans for the Web Profile Plans on technologies to prune in Java EE 8, ... So if you haven't done it yet, I really encourage you to read the Java EE 8 draft proposal! Our goal for the Java EE 8 specification is for it to be finalized in the second half of 2016. It is important to note that we are in the early days of Java EE 8 and at this stage everything (themes, content, timing, etc.) is preliminary. Everything still needs to be discussed, challenged and agreed within the different Java Community Process (JCP) Experts Groups (EGs). Some EGs that still need to be formed! It could also means that the roadmap will have to be adjusted to follow the progress being made in the different EGs. This is also a good occasion to remind you that participation within those upcoming JCP Experts Groups is encouraged. Contributing in an EG is an effective lever to influence what Java EE 8 will become! Finally, as things get more concrete, we will share details on how to engage in the different Java EE 8 related Adopt-a-JSR initiatives, another way to contribute. You can also read other posts related to Java EE 8, here at The Aquarium blog. Just look for articles with the 'javaee8' tag.

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• How can Java be improved so that it no longer needs to perform type erasure? [closed]

  - by user63904

  The official Java tutorial on generics explains type erasure and why it was added to the compiler: When a generic type is instantiated, the compiler translates those types by a technique called type erasure — a process where the compiler removes all information related to type parameters and type arguments within a class or method. Type erasure enables Java applications that use generics to maintain binary compatibility with Java libraries and applications that were created before generics. This most likely was a pragmatic approach, or perhaps the least painful one. However, now that generics is widely supported across the industry, what can be done in order for us to not need type erasure? Is it feasible with out needing to break backwards compatibility, or if it is feasible, is it practical? Has the last the last statement in the quote above become self referential? That is: "type erasure enables Java applications that use generics to maintain binary compatibility with Java libraries and applications that were created with Java versions that perform type erasure."

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• Chapter 3: JavaFX Primer3

  JavaFX Script blends declarative programming concepts with object orientation. This provides a highly productive, yet flexible and robust, foundation for applications. However, with this flexibility comes responsibility from the developer.

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• RPi and Java Embedded: Hard-Float Support is Here!!!

  - by hinkmond

  You wanted Java Embedded with Hardware Floating Point support to install on a default Raspian environment for your Raspberry Pi? Well, you just got your wish. Merry Christmas! See: Developer JDK 8 for ARM w/Hard-Float Here's a quote: The Java SE 8 Developer Preview Release for ARM including JavaFX (JDK 8) on Linux has been made available at http://jdk8.java.net. The Developer Preview is provided to the community to get feedback on the ongoing progress of the project. Developers can start developing applications using this build of Java SE 8 on an ARM device, such as the a Raspberry Pi. It's a regular JDK (Java SE 8 preview) for your Raspberry Pi, so you should note this means there is a javac (and the other typical JDK tools) available to compile your Java apps right there on the device! Woot! I'll cover step-by-step instructions how to do that in a future blog post. Stay tuned... Hinkmond

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• how to serialize function depending on what instance of object calls it, if same instance call in a thread then do serialize else not

  - by LondonDreams

  I have a function which fetches and updates some record from db and I am trying to make sure each if the function is called by same instance of object(same Or different thread) then function should behave synchronized else its a call from different object instance function need not to be synchronized. I have tried it use a lock per client. That is, instead of synchronizing the method directly using explicit locking through lock objects using Map. function is like :- getAndUpdateMyHitCount(myObjId){ //go to db and get unique record by myObjId //fetch value , increment , save update } And this function may get call is same thread by different Or same object instance But as fetching and matching from Map is slow , Is there other optimized way to do this ? Found similar at this Question but dont feel that is optimized

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• What should be stored in UserContext?

  - by HonorGod

  From my general understanding I believe UserContext for a web application is supposed to hold user authentication and authorization (user roles) information. As part of user roles, there are definitions on who can access what data and accordingly the corresponding reference data is loaded into the UserContext as well. Is this a good practice to load and use reference data from UserContext? Does this have any impact with the number of sessions vs size of data it is holding inside JVM? I am thinking we use UserContext only for authentication and authorization but load the reference data from cache on demand and use it if required.

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• Java Developer Workshop #2 ??!(12/1)

  - by ksky

  12/1??????????????Java?????????????????????????????(?2?:?1????????)??????!?????????????JavaFX/SE/EE/ME???????????????????????"Polyglot Programming on Java VM"??????Scala?JRuby?Groovy????Java VM??????????????????????????????????????????????????????? ???????Client Java Group?Vice President???JavaFX???????????Nandini Ramani???????????????JavaFX 2.0??????????????????????????Nandini?JavaOne???????????????????????????JavaOne??iPad?Windows?Linux?????????JavaFX???????????????????????? ???????????????????????????JavaOne??????????????Java EE/SE/ME???????????????????????????????????SE 8???????????EE????SE?FX???????ME??????????????????? ???Java VM????!???Scala?????????Scala??????????????????????????Scala????????????????????JRuby????????JRuby/CRuby???????????????????JRuby????????????????????????Groovy????????????????GROOVY???????????????Groovy????Java???????????????????? ???????????Java SE 7?JavaFX 2.0?????????????????Java VM?????????????????????????????! ???????????????????????????????????????????????????????????????????!????????????????????ustream?????????????

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• Custom listview entry works in JB not in Gingerbread

  - by Andy

  I have a ListFragment with a custom ArrayAdapter where I am overiding getView() to provide a custom View for the list item. private class DirListAdaptor extends ArrayAdapter<DirItem> { @Override public View getView(int position, View convertView, ViewGroup parent) { View aView = convertView; if (aView == null) { LayoutInflater vi = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE); // TODO: can we not access textViewResourceId? aView = vi.inflate(R.layout.dir_list_entry, parent, false); } etc... Here is the dir_list_entry.xml: <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="?android:attr/listPreferredItemHeight" android:paddingLeft="?android:attr/listPreferredItemPaddingLeft" android:paddingRight="?android:attr/listPreferredItemPaddingRight"> <ImageView android:id="@+id/dir_list_icon" android:layout_width="wrap_content" android:layout_height="match_parent" android:layout_alignParentTop="true" android:layout_alignParentBottom="true" android:layout_marginRight="6dp" android:src="@drawable/ic_launcher" /> <TextView android:id="@+id/dir_list_details" android:textAppearance="?android:attr/textAppearanceListItem" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_toRightOf="@id/dir_list_icon" android:layout_alignParentBottom="true" android:layout_alignParentRight="true" android:singleLine="true" android:ellipsize="marquee" android:textSize="12sp" android:text="Details" /> <TextView android:id="@+id/dir_list_filename" android:textAppearance="?android:attr/textAppearanceListItem" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_toRightOf="@id/dir_list_icon" android:layout_alignParentRight="true" android:layout_alignParentTop="true" android:layout_above="@id/dir_list_details" android:layout_alignWithParentIfMissing="true" android:gravity="center_vertical" android:textSize="14sp" android:text="Filename"/> </RelativeLayout> The bizarre thing is this works fine on Android 4.1 emulator, but I get the following error on Android 2.3: 10-01 15:07:59.594: ERROR/AndroidRuntime(1003): FATAL EXCEPTION: main android.view.InflateException: Binary XML file line #1: Error inflating class android.widget.RelativeLayout at android.view.LayoutInflater.createView(LayoutInflater.java:518) at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:568) at android.view.LayoutInflater.inflate(LayoutInflater.java:386) at android.view.LayoutInflater.inflate(LayoutInflater.java:320) at com.eveps.evepsdroid.ui.PhotoBrowserListFragment$DirListAdaptor.getView(PhotoBrowserListFragment.java:104) at android.widget.AbsListView.obtainView(AbsListView.java:1430) at android.widget.ListView.makeAndAddView(ListView.java:1745) at android.widget.ListView.fillDown(ListView.java:670) at android.widget.ListView.fillFromTop(ListView.java:727) at android.widget.ListView.layoutChildren(ListView.java:1598) at android.widget.AbsListView.onLayout(AbsListView.java:1260) at android.view.View.layout(View.java:7175) at android.widget.FrameLayout.onLayout(FrameLayout.java:338) at android.view.View.layout(View.java:7175) at android.widget.FrameLayout.onLayout(FrameLayout.java:338) at android.view.View.layout(View.java:7175) at android.widget.FrameLayout.onLayout(FrameLayout.java:338) at android.view.View.layout(View.java:7175) at android.widget.FrameLayout.onLayout(FrameLayout.java:338) at android.view.View.layout(View.java:7175) at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1254) at android.widget.LinearLayout.layoutHorizontal(LinearLayout.java:1243) at android.widget.LinearLayout.onLayout(LinearLayout.java:1049) at android.view.View.layout(View.java:7175) at android.widget.FrameLayout.onLayout(FrameLayout.java:338) at android.view.View.layout(View.java:7175) at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1254) at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1130) at android.widget.LinearLayout.onLayout(LinearLayout.java:1047) at android.view.View.layout(View.java:7175) at android.widget.FrameLayout.onLayout(FrameLayout.java:338) at android.view.View.layout(View.java:7175) at android.view.ViewRoot.performTraversals(ViewRoot.java:1140) at android.view.ViewRoot.handleMessage(ViewRoot.java:1859) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:123) at android.app.ActivityThread.main(ActivityThread.java:3683) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:507) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) at dalvik.system.NativeStart.main(Native Method) Caused by: java.lang.reflect.InvocationTargetException at java.lang.reflect.Constructor.constructNative(Native Method) at java.lang.reflect.Constructor.newInstance(Constructor.java:415) at android.view.LayoutInflater.createView(LayoutInflater.java:505) ... 42 more Caused by: java.lang.UnsupportedOperationException: Can't convert to dimension: type=0x2 at android.content.res.TypedArray.getDimensionPixelSize(TypedArray.java:463) at android.view.View.<init>(View.java:1957) at android.view.View.<init>(View.java:1899) at android.view.ViewGroup.<init>(ViewGroup.java:286) at android.widget.RelativeLayout.<init>(RelativeLayout.java:173) ... 45 more I'm using the Android Support library for fragment support obviously. Seems to be a problem inflating the custom list view entry, something to do with a dimension - but why does it work on JellyBean? Has something changed in this area?

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• SEVERE error in Eclipse Web application Startup

  - by lakshmanan

  I use tomcat. I am developing a web application using struts2, and I use eclipse as my IDE for development. I get this error Mar 7, 2010 7:38:42 PM org.apache.catalina.core.StandardContext filterStart SEVERE: Exception starting filter struts2 Unable to load bean: type:com.opensymphony.xwork2.ObjectFactory class:org.apache.struts2.spring.StrutsSpringObjectFactory - bean - jar:file:/C:/Documents%20and%20Settings/Lakshmanan/My%20Documents/My%20Dropbox/Final%20year%20project/Workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/projit1/WEB-INF/lib/struts2-spring-plugin-2.1.8.1.jar!/struts-plugin.xml:29:132 at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:208) at org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:101) at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reload(DefaultConfiguration.java:131) at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:52) at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:395) at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:452) at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:201) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295) at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422) at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3838) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4488) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) at org.apache.catalina.core.StandardHost.start(StandardHost.java:722) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) at org.apache.catalina.core.StandardService.start(StandardService.java:516) at org.apache.catalina.core.StandardServer.start(StandardServer.java:710) at org.apache.catalina.startup.Catalina.start(Catalina.java:593) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) Caused by: java.lang.NoClassDefFoundError: com/opensymphony/xwork2/util/classloader/ReloadingClassLoader at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389) at java.lang.Class.getDeclaredConstructors(Class.java:1836) at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:198) ... 24 more Caused by: java.lang.ClassNotFoundException: com.opensymphony.xwork2.util.classloader.ReloadingClassLoader at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1484) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1329) ... 28 more Mar 7, 2010 7:38:42 PM org.apache.catalina.core.StandardContext start SEVERE: Error filterStart Mar 7, 2010 7:38:42 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/projit1] startup failed due to previous errors Mar 7, 2010 7:38:42 PM org.apache.catalina.core.ApplicationContext log INFO: Closing Spring root WebApplicationContext Mar 7, 2010 7:38:42 PM org.springframework.context.support.AbstractApplicationContext doClose INFO: Closing Root WebApplicationContext: startup date [Sun Mar 07 19:38:41 GMT+05:30 2010]; root of context hierarchy Mar 7, 2010 7:38:42 PM org.springframework.beans.factory.support.DefaultSingletonBeanRegistry destroySingletons INFO: Destroying singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@afae4a: defining beans [personCrud,companyCrud,projectCrud,discussionCrud]; root of factory hierarchy Mar 7, 2010 7:38:42 PM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc SEVERE: A web application registered the JBDC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered. Mar 7, 2010 7:38:42 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap SEVERE: A web application created a ThreadLocal with key of type [org.springframework.core.NamedThreadLocal] (value [Prototype beans currently in creation]) and a value of type [null] (value [null]) but failed to remove it when the web application was stopped. To prevent a memory leak, the ThreadLocal has been forcibly removed. Mar 7, 2010 7:38:42 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap SEVERE: A web application created a ThreadLocal with key of type [org.springframework.core.NamedThreadLocal] (value [XML bean definition resources currently being loaded]) and a value of type [null] (value [null]) but failed to remove it when the web application was stopped. To prevent a memory leak, the ThreadLocal has been forcibly removed. I am confused . Please help me in rectifying this error.

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• Stopping the service and the babysited application before uninstalling

  - by Viv Coco

  Hi all, I have a service MyService.exe that is babysitting my application MyApp.exe, meaning it starts the application when this one crashes or whatever. Basically when the service is stopped the application is stopped (by the service) and when the service is started the application is started by the service. In order to stop my service and by that my application when uninstalling I'm doing: <ServiceControl Id='MyServiceControl' Name='MyServiceForTest' Start='install' Stop='uninstall' Remove='uninstall'/> But when I want to uninstall everything I get the error message: "The setup must update files or services that cannot be updated while the system is running. If you choose to continue, a reboot will be required to complete the setup.". If I manually stop the service before running the uninstaller I don't get this msg as both my service and my application aren't then running anymore. In the log file I noticed that this happens in InstallValidate and I get this message b/c of MyApp.exe being running. I think what happens is: the uninstallers checks the running applications, it notices that the MyService.exe and MyApp.exe are both running, detects probably that the MyService.exe will be stopped by the uninstaller itself as instructed, but doesn't know about the MyApp.exe that this one will also be terminated once the service will be stopped so it will show the reboot-message. I can't just close MyApp.exe from uninstaller b/c the service will restart it again. How could I solve this problem so that the user won't need to reboot or to manually stop the service before doing an uninstall/upgrade? Also, I can't change MyService and MyApp code anymore so I will have to do this from the (un)installer only. TIA, Viv

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• ClassNotFoundException when connecting to Mysql with JDBC

  - by Jacob Lyles

  I'm getting the following error when I try to run a simple Java JDBC program at the command line: Exception in thread "main" java.lang.NoClassDefFoundError: LoadDriver/java Caused by: java.lang.ClassNotFoundException: LoadDriver.java at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:315) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:330) at java.lang.ClassLoader.loadClass(ClassLoader.java:250) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:398) Here's the simple Java program, copied right out of the JDBC docs: import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; // Notice, do not import com.mysql.jdbc.* // or you will have problems! public class LoadDriver { public static void main(String[] args) { try { // The newInstance() call is a work around for some // broken Java implementations Class.forName("com.mysql.jdbc.Driver").newInstance(); } catch (Exception ex) { throw ex; // handle the error } } } Problem is, I'm bloody sure my bash shell $ClASSPATH variable is pointed at the correct .jar file. To be sure, I copied the JDBC .jar to the same directory as my program and ran it as follows: java -classpath ./mysql-connector-java-5.1.12-bin.jar LoadDriver.java I still get the same error. I'm running under Mac OSX, if it matters.

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• Android java.lang.VerifyError for private method with annotated argument.

  - by alex2k8

  I have a very simple project that compiles, but can't be started on Emulator. The problem is with this method: private void bar(@Some String a) {} // java.lang.VerifyError The issue can be avoided if annotation removed private void bar(String a) {} // OK or the method visibility changed: void bar(@Some String a) {} // OK public void bar(@Some String a) {} // OK protected void bar(@Some String a) {} // OK Any idea what is wrong with original method? Is this a dalvik bug, or? If some one whould like to experiment with code, here it is: Test.java: public class Test { private void bar(@Some String a) {} public void foo() { bar(null); } } Some.java: public @interface Some {} MainActivity.java: public class MainActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); new Test().foo(); } } Stack trace: ERROR/dalvikvm(1358): Could not find method com.my.Test.bar, referenced from method com.my.Test.foo WARN/dalvikvm(1358): VFY: unable to resolve direct method 11: Lcom/my/Test;.bar (Ljava/lang/String;)V WARN/dalvikvm(1358): VFY: rejecting opcode 0x70 at 0x0001 WARN/dalvikvm(1358): VFY: rejected Lcom/my/Test;.foo ()V WARN/dalvikvm(1358): Verifier rejected class Lcom/my/Test; DEBUG/AndroidRuntime(1358): Shutting down VM WARN/dalvikvm(1358): threadid=3: thread exiting with uncaught exception (group=0x4000fe70) ERROR/AndroidRuntime(1358): Uncaught handler: thread main exiting due to uncaught exception ERROR/AndroidRuntime(1358): java.lang.VerifyError: com.my.Test ERROR/AndroidRuntime(1358): at com.my.MainActivity.onCreate(MainActivity.java:13) ERROR/AndroidRuntime(1358): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123) ERROR/AndroidRuntime(1358): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2231) ERROR/AndroidRuntime(1358): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2284) ERROR/AndroidRuntime(1358): at android.app.ActivityThread.access$1800(ActivityThread.java:112) ERROR/AndroidRuntime(1358): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1692) ERROR/AndroidRuntime(1358): at android.os.Handler.dispatchMessage(Handler.java:99) ERROR/AndroidRuntime(1358): at android.os.Looper.loop(Looper.java:123) ERROR/AndroidRuntime(1358): at android.app.ActivityThread.main(ActivityThread.java:3948) ERROR/AndroidRuntime(1358): at java.lang.reflect.Method.invokeNative(Native Method) ERROR/AndroidRuntime(1358): at java.lang.reflect.Method.invoke(Method.java:521) ERROR/AndroidRuntime(1358): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782) ERROR/AndroidRuntime(1358): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) ERROR/AndroidRuntime(1358): at dalvik.system.NativeStart.main(Native Method)

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• LiveView plugin template creates lots of errors?

  - by Shedo Surashu

  I'm trying to get the LiveView plugin template to work but upon import of the project into Eclipse, I already have 13 errors and 2 warnings. I have already downloaded SDK for Android 1.6 which I believe is what it requires. The errors are as follows: The method startPlugin() of type AbstractPluginService.LiveViewCallback must override a superclass method AbstractPluginService.java /com.sonyericsson.extras.liveview.plugins.PluginPreferences/src/com/sonyericsson/extras/liveview/plugins line 173 Java Problem The method stopPlugin() of type AbstractPluginService.LiveViewCallback must override a superclass method AbstractPluginService.java /com.sonyericsson.extras.liveview.plugins.PluginPreferences/src/com/sonyericsson/extras/liveview/plugins line 182 Java Problem The method onSharedPreferenceChanged(SharedPreferences, String) of type new SharedPreferences.OnSharedPreferenceChangeListener(){} must override a superclass method AbstractPluginService.java /com.sonyericsson.extras.liveview.plugins.PluginPreferences/src/com/sonyericsson/extras/liveview/plugins line 360 Java Problem The method onServiceDisconnected(ComponentName) of type new ServiceConnection(){} must override a superclass method AbstractPluginService.java /com.sonyericsson.extras.liveview.plugins.PluginPreferences/src/com/sonyericsson/extras/liveview/plugins line 345 Java Problem The method onServiceConnected(ComponentName, IBinder) of type new ServiceConnection(){} must override a superclass method AbstractPluginService.java /com.sonyericsson.extras.liveview.plugins.PluginPreferences/src/com/sonyericsson/extras/liveview/plugins line 318 Java Problem The method screenMode(int) of type AbstractPluginService.LiveViewCallback must override a superclass method AbstractPluginService.java /com.sonyericsson.extras.liveview.plugins.PluginPreferences/src/com/sonyericsson/extras/liveview/plugins line 230 Java Problem The method openInPhone(String) of type AbstractPluginService.LiveViewCallback must override a superclass method AbstractPluginService.java /com.sonyericsson.extras.liveview.plugins.PluginPreferences/src/com/sonyericsson/extras/liveview/plugins line 221 Java Problem The method run() of type SandboxPluginService.Rotator must override a superclass method SandboxPluginService.java /com.sonyericsson.extras.liveview.plugins.PluginPreferences/src/com/sonyericsson/extras/liveview/plugins/sandbox line 254 Java Problem The method onUnregistered() of type AbstractPluginService.LiveViewCallback must override a superclass method AbstractPluginService.java /com.sonyericsson.extras.liveview.plugins.PluginPreferences/src/com/sonyericsson/extras/liveview/plugins line 216 Java Problem The method run() of type SandboxPluginService.Timer must override a superclass method SandboxPluginService.java /com.sonyericsson.extras.liveview.plugins.PluginPreferences/src/com/sonyericsson/extras/liveview/plugins/sandbox line 235 Java Problem The method displayCaps(int, int) of type AbstractPluginService.LiveViewCallback must override a superclass method AbstractPluginService.java /com.sonyericsson.extras.liveview.plugins.PluginPreferences/src/com/sonyericsson/extras/liveview/plugins line 206 Java Problem The method button(String, boolean, boolean) of type AbstractPluginService.LiveViewCallback must override a superclass method AbstractPluginService.java /com.sonyericsson.extras.liveview.plugins.PluginPreferences/src/com/sonyericsson/extras/liveview/plugins line 196 Java Problem The method getPluginName() of type AbstractPluginService.LiveViewCallback must override a superclass method AbstractPluginService.java /com.sonyericsson.extras.liveview.plugins.PluginPreferences/src/com/sonyericsson/extras/liveview/plugins line 191 Java Problem and the warnings: The method getInterfaceDescriptor() from the type IPluginServiceV1.Stub.Proxy is never used locally IPluginServiceV1.java /com.sonyericsson.extras.liveview.plugins.PluginPreferences/gen/com/sonyericsson/extras/liveview line 242 Java Problem The method getInterfaceDescriptor() from the type IPluginServiceCallbackV1.Stub.Proxy is never used locally IPluginServiceCallbackV1.java /com.sonyericsson.extras.liveview.plugins.PluginPreferences/gen/com/sonyericsson/extras/liveview line 130 Java Problem These all occur fresh from the ZIP file from Sony Mobile's Developer World. No code has been changed. Any thoughts?

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• Java - How to detect that the internet connection has got disconnected through a java desktop applic

  - by Yatendra Goel

  I am developing a Java Desktop Application that access internet. It is a multi-threaded application, each thread do the same work (means each thread is an instance of same Thread class). Now, as all the threads need internet connection to be active, there should be some mechanism that detects whether an internet connection is active or not. Q1. How to detect whether the internet connection is active or not? Q2. Where to implement this internet-status-check-mechanism code? Should I start a separate thread for checking internet status regularly and notifies all the threads when the status changes from one state to another? Or should I let each thread check for the internet-status itself? Q3. This issue should be a very common issue as every application accessing an internet should deal with this problem. So how other developers usually deal with this problem? Q4. If you could give me a reference to a good demo application that addresses this issue then it would greatly help me.

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