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problem getting the java VM to run

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  - paypal wholesale lv (paypal accept)(www good-saler cn )paypal wholesale lv (paypal accept)(www good-saler cn )
    paypal wholesale lv women (paypal accept)(www good-saler cn )
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    paypal wholesale lv (paypal accept)(www good-saler cn )
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    paypal wholesale lv (paypal accept)(www good-saler cn )
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- 4
  - ThreadPoolExecutor implementation questionHi,
    I have a question about Sun's implementation of
    java.util.concurrent.ThreadPoolExecutor, specifically the execute(
    Runnable ) method. The runState field is read before the Runnable task
    is added to the workQueue (BlockingQueue), however there is no
    synchronization in place. It seems that it might be possible for
    another thread to invoke shutdown after runState is checked, but before
    the task is added to the queue. Is it not then possible that the queue
    is cleared by the shutdown process, the executor left as terminated,
    only for the task to finally be added to the queue, something like:
    
    Thread 1 | Thread 2
    execute( t1 ) |
    runState==RUNNING |
    | shutdown
    | runState=SHUTDOWN
    | clear out workQueue
    | return
    | executor now terminated
    |
    workQueue.add(t1) |
    return |
    
    At this point, t1 is stuck in a queue that will never be cleared, but
    no feedback to that effect was given on Thread 1.
    
    Looking at Doug Lea's PooledExecutor at
    http://gee.cs.oswego.edu/dl/classes/EDU/oswego/cs/dl/util/concurrent/PooledExecutor.java
    I see that PooledExecutor.execute uses a synchronized block which would
    prevent the above case from occuring.
    
    Am I missing something?
    
    cheers
    Allen
- 4
  - Java Applet Background ColorHi,
    
    I am trying to set the background color of my applet to white but it
    keeps coming up gray.Strangely when I open the applet on a local web
    page (not live on the web), applet viewer (thru eclipse) or even live
    on the web from my own home PC it appears white as expected. But from
    every other machine that I access it the background is grey. Even when
    i run it thru Eclips on other PCs the background is gray.I have tried
    to set the background to white by calling
    
    setBackground(Color.white)
    and
    setBackground(Color.WHITE)
    
    from the init() method. In the HTML that calls the applet i also set
    the <body bgcolor=#FFFF></body> and i do the same for the <HEAD>.
    However from every other machine that I access my webpage/applet
    except my own home PC the background still appears as gray.
    
    Any ideas?
    
    Thanks
    WS
- 4
  - RFC: Removal of arbortext-catalog and xt-catalogHi,
    
    I would like to request comments if the arbortext-catalog and xt-catalog
    [1] packages can be removed from the archives.
    
    They have no reverse dependencies, do not occur in any build
    dependencies, have only a few users [2], no active upstream and IMO
    libxml-commons-resolver1.1-java offers the same functionality. However,
    the package is not broken.
    
    [1] http://packages.qa.debian.org/a/arbortext-catalog.html
    [2] http://qa.debian.org/popcon.php?package=arbortext-catalog
    
    If nobody objects, I will go for a removal request.
    
    x-post to debian-devel, debian-sgml & debian-java
    
    Regards, Daniel
    
    --
    To UNSUBSCRIBE, email to email***@***.com
    with a subject of "unsubscribe". Trouble? Contact email***@***.com
- 6
  - Creating XSD filesHello,
    
    I am very new to XML and XSD. I am to create an application that can
    generate a new XSD file from a set of tag names that the user
    provides. Any guidlines will be appreciated.
    
    Thanks.
- 8
  - [strus] tiles, menu static?Hello,
    
    I am building a struts application with tiles. The side is built as follows:
    menu,footer, head and contents.
    In my tiles def I have the following entries:
    
    <tiles-definitions>
    <definition name="webladen.welcomeLayout" path="/layouts/welcomeLayout.jsp">
    <put name="title" value="Welcome..." />
    <put name="header" value="/view/tiles/header.jsp" />
    <put name="menu" value="/view/tiles/menu.jsp" />
    <put name="footer" value="/view/tiles/footer.jsp" />
    <put name="content" value="/view/tiles/contentFirst.jsp" />
    </definition>
    <definition name="webshop.katalog" extends="webshop.welcomeLayout">
    <put name="content" value="/view/katalog.jsp"/>
    </definition>
    </tiles-definitions>
    
    But when I click on the catalogue button, every area on the side is loading
    new, but of course I only want the content-are to be loaded.
    
    Could anybody tell me what I do wrong?
    Thank you very much for your action!
    
    Dennis
- 9
  - I'm looking for a gui/database tutorialI have a fairly good knowledge of java except for guis and sql
    databases, i was wondering if anyone could post some places for me to
    learn about these.
- 9
  - Graphical Modelling Framework :(Hi,
    
    I would be working on graphical modelling framework(GMF) for my thesis.
    I couldnot find any tutorials on generating editors with Graphical
    Modelling Framework at eclipse.org.
    
    Please post in your suggestions.
    
    Regards,
    Madanagopal.
- 10
  - [NEWBIE] Using a Java Class from a JSP PageHi all and please forgive me for this newbie question.
    
    I should create and utilize the funcionts of a Java Class from a JSP
    page contained in Tomcat.
    
    I Should:
    
    a) define a package containing this class and put it in the CLASSPATH
    
    b) put the Java class in TomCat (folder WEB-INF/lib or WEB-INF/class)
    
    c) a mix of both methods!??! (Classpath AND Tomcat)?!?
    
    Thanks
    
    Federico
- 10
  - Mozilla Firefox bookmarks exporting.
    Hi,
    
    I use mozilla firefox and feel very comfortable with that. I have
    accumulated a lot of interesting websites in my bookmarks. Now if I
    want to switch to a other machine how can preserve my old set of
    bookmarks?
    
    Thank you in advance,
    Shaji.
- 10
  - SCPJ Certification And Career PathHi All,
    
    I took my "Data Structures And Advanced Programming" coursework at
    Berkeley back when they taught this in Java 1.1. Since that time I
    have kept active in other languages, but haven't delved deeply into
    J2EE, for example. I am very interested in JSP/Servlets and the
    forthcoming Java HTML Tag Library. Currently my most proficient
    language is PHP, where I am applying all my oo theory but finding the
    language lacks some hard edges.
    
    In short, I want to get back into Java development work, ideally on
    the web. Is getting a Sun Certified Programmer certification going to
    help me in this regard? Do employers look seriously at this? Or should
    I try to get my foot back into the door through more hands-on
    experience? Maybe work on an open-source project for awhile? My skills
    are very transferrable and I can pick up the finer points of Java
    again quickly. I'm just interested in the most bang for my buck here.
    
    Thanks for your thoughts.
    
    Regards,
    Robert
    
    email***@***.com
    http://www.peakepro.com
- 10
  - Cariage returnHello,
    
    I would like to know if there is a way in my Java application to know what
    characters are used in the cariage return of text files on the machine the
    application works. Is is 13, 10? Is it 10? is it 13? How can I find this?
    
    Thanks for your input.
    
    Francois
- 11
  - Display xml file in JTree: Select information to be shown in node labelHi there,
    I have managed to write a small java program that display an xml file
    in a JTree. This was achieved by defining a suitable tree model. THe
    program works...somehow. The nodes (elements and texts) are correctly
    recognized, and the corresponding branches in the JTree can be opened
    and closed. However, when I run the program, all the non-leaf nodes
    (e. g. the element nodes) are displayed from the start tag to the end
    tag including the tag delimiters. Is there any way to control what is
    used as a "node label" in a JTree? Of course that could be done by
    brute (e.g. by building the JTree from simple strings) but I believe
    that this approach will destroy the tree structure of the underlying
    xml file.
    I have tried for some time to display xml data in a tree view, and a
    java solution seemed to be the most "organic" one. So it would be
    great if that program to be really made to work properly. Many thanks
    for any idea how to achieve this! Piet
    Here is the code:
    import java.awt.*;
    import java.awt.event.*;
    import java.util.List;
    import javax.swing.*;
    import javax.swing.tree.*;
    import javax.swing.event.*;
    import javax.xml.parsers.*;
    import org.w3c.dom.*;
    
    public class XmlTreeDemo extends JFrame {
    XmlTreeDemo(String title){
    super(title);
    try{
    DocumentBuilderFactory IDocumentBuilderFactory
    = DocumentBuilderFactory.newInstance();
    DocumentBuilder IDocumentBuilder
    = IDocumentBuilderFactory.newDocumentBuilder();
    Document IDocument = IDocumentBuilder.parse("c:/test1.xml");
    Node root = IDocument.getDocumentElement();
    XmlTreeModel model = new XmlTreeModel(root);
    JTree IJTree = new JTree();
    IJTree.setModel(model);
    getContentPane().add(new JScrollPane(IJTree),BorderLayout.CENTER);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
    catch (Exception e){
    System.err.println(e);
    }
    }
    public static void main(String[] args){
    XmlTreeDemo IJTreeDemo = new XmlTreeDemo("Xml tree demo");
    IJTreeDemo.pack();
    IJTreeDemo.show();
    }
    }
    class XmlTreeModel implements TreeModel{
    protected Node root;
    public XmlTreeModel(Node root){
    this.root = root;
    }
    public Object getRoot(){
    return (Object)this.root;
    }
    public boolean isLeaf(Object node){
    if ((((Node)node).getNodeType() == 7) || (((Node)node).getNodeType()
    == 1)) return false;
    return true;
    }
    public int getChildCount(Object parent){
    return ((Node)parent).getChildNodes().getLength();
    }
    public Object getChild(Object parent,int index){
    Node child = ((Node)parent).getChildNodes().item(index);
    return (Object)child;
    }
    public int getIndexOfChild(Object parent, Object child){
    NodeList childs = ((Node)parent).getChildNodes();
    if (childs.getLength() == 0) return -1;
    for (int i=0; i<childs.getLength(); i++){
    if (childs.item(i) == (Node)child) return i;
    }
    return -1;
    }
    public void valueForPathChanged(TreePath path, Object newValue){
    }
    public void addTreeModelListener(TreeModelListener l){
    }
    public void removeTreeModelListener(TreeModelListener l){
    }
    }
- 12
  - JTree: Expand all node ?How to expand all nodes and disable collapse/expand button?
- 16
  - Eclipse is slow -- what's the alternative?I'm starting to get tired of Eclipse -- it's slow and pauses frequently.
    
    Does anyone know if there is a way to speed it up? (I'm already giving it
    plenty of memory). Are any speed improvements in the works?
    
    Is it worth switching to another IDE?

Author

Message

chuckgruber

Posted: 2004-4-4 10:59:00

Top

java-programmer, problem getting the java VM to run Patrick Zesar <email***@***.com> wrote in message news:<405b0a79$0$8016$email***@***.com>...
> i just posted this problem to
> http://forum.java.sun.com/thread.jsp?forum=30&thread=504742&tstart=0&trange=15
> with a reference to this thread here.

I just ran into the same problem. Upgraded two win98se machines to XP
Pro SP1. Prior to applying any hotfixes first thing I did was to
install the 1.4.2_04 jre. I have the same jre running flawlessly on
two preinstalled Dells with xp pro sp1. Very interested in a fix,
will post here if I find it.

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  - Reference sitesDoes anyone have a list of reference websites that are running FreeBSD
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    Or does anyone know of any high volume sites using FreeBSD and Java?
    
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  - Where to find the Java source files?Hi,
    
    I remember Java source files are installed somewhere and I can take a
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  - what the problem about this short code?import javax.media.Manager;
    
    import javax.media.bean.playerbean.MediaPlayer;
    import java.lang.String;
    
    public class Player1 {
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    public Player1(){
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    public static void main(String[] args){
    Player1 player1=new Player1();
    player1.mp1.start();
    }
    }
    
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- 5
  - Two questions about jars1) I need to support installing a Java application from CD on both Windows
    AND on the Mac. I have figured out how autorun works on Windows. Is the
    method for doing this the same on the Mac as it is for Windows? I am
    thinking that what I'd do is create an install "program" (like the Setup
    program created by Install Shield on Windows), but make it as an executible
    jar file so that the Java VM on either can handle the install process. That
    way, a single CD should be able to accomodate both the Mac and Windows.
    
    2) I have found the process of making executible jar files a little
    problematic, and the documentation from Sun with the SDK a little lacking in
    examples: and the documentation with eclipse and Netbeans IDE is a bit of a
    maze (I'd have thought that both would make it easy to create executible
    jars, but I haven't found the relevant parts of their documentation yet, so
    I am still struggling with hat from Sun). I understand that to make a jar
    executible, I need to provide a manifest file, but I have yet to succeed in
    adding one. Can anyone point me to a simple example of making an executible
    jar containing a Swing application, or provide me with one (if that is
    simple enough)? (And/or provide a map pointing out the relevant parts of
    the documentation I have acquired) I need this jar to be self contained, so
    I do not need to worry about what version of the JRE the client machine has.
    
    I guess I ought to add a third question about whether or not either eclipse
    or netbean supports making a distribution as an executible jar file that
    will install the application on the client machine and create any necessary
    directories and icon on the desktop? I have found, though, a couple tools
    that should be able to do this, but I haven't been able to test them because
    I got stuck on the question of creating executible jar files.
    
    I am certain I can figure this out on my own, but the big problem is I am
    facing significant time pressure, so I ask for aide to help me get this
    figured out faster.
    
    Thanks,
    
    Ted
- 6
  - Single Threaded EnvironmentHi,
    
    I know this might not be the best place to ask this but.. umm I know
    Java is a multithreaded environment. what do you call a single threaded
    environment where there are no multiple threads or scheduler? Please
    tell me because I can't seem to recall the term :( Is it just "single
    threaded environment"? Or is the term something else? Thanks!
    
    Rick
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    --
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    http://www.frank-buss.de, http://www.it4-systems.de
- 8
  - OutOfMemory on Sun Java 1.4.2 on LinuxHi all,
    My application (on JBoss) is experiencing strange problem on one of our
    environment - on Linux on Itanium 2 - Sun Java 1.4.2_07 and 64 bit.
    On all other platforms (windows, linux, 32 bit) is ok.
    After 2-3 http requests the OutOfMemory exception is thrown.
    Java is started with -Xmx1024M. In fact the bahaviour is exactly the
    same as -Xmx512M.
    'uname -a' shows unlimited resources for memory.
    There is plenty of free memory in the system (main and swap) - for
    example I can run 3 such java processes at the same time - but each is
    reporting out of memory after few requests as it is for one java spawned.
    'top' shows that java eats ~400M when the OutOfMemory is thrown.
    
    Where to look, what to check?
    taab
- 9
  - parseDouble return scientific computing numberif I use Double.parseDouble("0.0005"), it will return 5 E-4. How can I
    get 0.0005? Thanks,
    
    qq
- 10
  - Web Application Works on Windows, Not on Linux (Needs a file)I've been using a web application to find part numbers and info for an
    antique car I've been working on for a while. I used to go to the
    manufacturer's website, log in ($20 a year fee, otherwise I'd link to it),
    click on the link, and the program would run just fine under Linux.
    Recently I upgraded my system (from Ubuntu Edgy to Ubuntu Feisty) and now
    this app will run in Firefox on Windows XP but won't run on Linux. Now I
    get an error that it can't find the file hpwin32 in the java.library.path.
    (The full stack trace is below.)
    
    I searched my hard drives on the WinXP system and there's no trace of this
    file, so I'm guessing it's a file on their end that isn't loading. This
    worked fine when I was using Java 1.4.2 but won't work now, with Java 6
    installed.
    
    Any ideas on what I can do to make this work again? What other info would I
    need to provide that might help track this problem down? (The supplier
    doesn't officially support Linux, so I can't get help from them.)
    
    Hal
    --------------Stack Trace from Error Message--------------
    java.lang.reflect.InvocationTargetException
    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 com.sun.javaws.Launcher.executeApplication(Launcher.java:1205)
    at com.sun.javaws.Launcher.executeMainClass(Launcher.java:1151)
    at com.sun.javaws.Launcher.doLaunchApp(Launcher.java:998)
    at com.sun.javaws.Launcher.run(Launcher.java:105)
    at java.lang.Thread.run(Thread.java:619)
    Caused by: java.lang.UnsatisfiedLinkError: no hpwin32 in java.library.path
    at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1682)
    at java.lang.Runtime.loadLibrary0(Runtime.java:823)
    at java.lang.System.loadLibrary(System.java:1030)
    at
    com.hp.tis.ewo.common.win32.Hpwin32DllLoader.loadLibrary(Hpwin32DllLoader.java:63)
    at com.hp.tis.ewo.common.win32.Environment.<clinit>(Environment.java:257)
    at com.hp.tis.ewo.setup.ContextController.<init>(ContextController.java:54)
    at
    com.hp.tis.ewo.setup.cookie.CookieEngine.getWorkshopID(CookieEngine.java:181)
    at
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    at com.hp.tis.ewo.clienttools.trigger.TriggerLoop.run(TriggerLoop.java:82)
    at
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    ******************ShowTrendsTest *******************
    
    public class ShowTrendsTest {
    
    public static void main(String[] args) {
    
    JFrame f = new JFrame("ShowTrends");
    ChartGraphics Chart = new ChartGraphics();//extends JPanel
    JButton button = button("TST"); //Just a JButton
    JLayeredPane layeredPane = new JLayeredPane();
    
    layeredPane.add(Chart, new Integer(0));
    layeredPane.add(button, new Integer(1));
    
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    f.show();
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    public static JButton button(String arg){
    JButton b1 = new JButton(arg);
    b1.setVerticalAlignment(JButton.TOP);
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    ********************************************
- 12
  - splitting up huge (1 GB) xml documentsDear all,
    
    I am facing the problem that have to handle XML documents of approx. 1
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    files - I have no control over the creation and have to live with it.
    
    I need to split this massive document up into smaller chunks of valid
    XML:
    The structure of the XML is quite easy:
    
    <businessHeader>Bla, bla -> only about 10 tags</businessHeader>
    
    <businessInformation>info goes here</businessInformations>
    
    <businessInformation>info goes here</businessInformations>
    <businessFoolter>about 10 tags footer</businessFooter>
    
    My current approach is to use SAX to parse the document and write the
    businessInformation into different files. Before that the header gets
    inserted into each file and after that the footer.
    
    This obviously consumes quite a lot of time since the entire file is
    parsed sequentially.
    
    Can you think about a way of how to speed this process up ? I was
    thinking of jumping randomly into the <businessInformation>-section of
    the file (Random Access File) and then start parsing from there on with
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    hi
    
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  - OMLETv4: SPAM SPAM SPAM
    --
    Daniel A. Morgan
    University of Washington
    email***@***.com
    (replace 'x' with 'u' to respond)