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jboss 4.0.3 jboss portal 2.2.1

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- 1
  - Convert from text string "Hello" to floating-point number issueHi there,
    My java lecturer has given us an assignment related to casting and
    type conversion etc.
    One of the conversions he wan't is convert "Hello" to a float.
    
    I suspect this is a trick question on his part as "Hello" is not a
    parsible value.
    This is the code I have:
    //Convert String object "s" to a Float object
    //then convert Float object to float value
    try { System.out.println("String is "+s+" float is
    "+Float.valueOf(s).floatValue());
    }
    
    catch (NumberFormatException NFE)
    { System.out.println("NumberFormatException: "+ NFE.getMessage()+
    " The input string does not contain a parsable number"); }
    I emailed the guy but he says just to use your own judgement.
    I looked at the API for the wrapper classes etc and I think a
    conversion of this type is almost impossible.
    Any ideas welcome.
- 2
  - Toward a generic Disk Sort for JavaI was thinking how you might go about writing a sort that could handle
    more data than could fit in RAM. It handled the problem is Abundance
    by checkpointing the app to disk to free up maximum RAM, then spawning
    a copy of Opt-Tech sort. My records were roughly like DataOutputStream
    would produce, so I could automatically generate the command script
    sort the fields in any way I wanted.
    
    I thought you might pull it off in Java this way.
    
    1. You write a comparator as if you were going to sort Objects in an
    ArrayList.
    
    2. the external sort has an add method that also takes collections.
    
    It accepts a "chunk" of records, and sorts them using Sun's sort.
    
    Then it writes them out as SERIALISED objects in heavily buffered
    stream. There may be some way to do a partial reset after each object
    to speed it up.
    
    Then you repeat collecting, sorting and writing another batch to
    another file.
    
    When you have created N files, you recycle, appending. (Optimal N to
    be determined by experiment). Ideally each file would be on a
    different physical drive.
    
    Then when all the records have been added, you start merging chunks
    into longer chunks, and writing out the longer chunks. Each N-way
    merge cuts the number of chunks by 1/N and increases the length of the
    chunks N times.
    
    on the final merge pass does not happen until the user invokes the
    Iterator to hand over the resulting records.
    
    Another way it might be done is the records to be sorted must by byte
    arrays, chunks effectively produced by DataOutputStream. You specify
    offset, length and key type e.g.
    int, byte, short, float, double, String.
    
    This would require a detailed knowledge of the bit structure of the
    records, the way you did in the olden days of assembler and C.
    
    This would be clumsier to use, but would avoid the overhead of
    pickling and reconstituting records on every pass.
    
    Then of course, there is the possibility someone has already solved
    this and done it well.
    
    The universe has a sneaky habit. Problems start out small, and it
    looks like a purely in RAM solution is perfectly adequate. Then they
    bit by bit grow and grow and start pushing the limits of the RAM
    solution. Suddenly you are faced with a major redesign.
    --
    
    Roedy Green Canadian Mind Products
    The Java Glossary
    http://mindprod.com
- 2
  - Sun Wireless Toolkit gives SecurityException - please help.I have a midlet (not written by me), and I would like to analyze how it
    works. Unfortunately I am not able to run this midlet. Everything compiles
    fine but I receive an runtime exception during running sun WTK emulator.
    
    Incorrect domain name, switching to 'untrusted'
    java.lang.SecurityException: untrusted domain is not configured
    at com.sun.midp.security.Permissions.forDomain(+98)
    at com.sun.midp.dev.DevMIDletSuitImpl.create(+39)
    at com.sun.midp.dev.DevMIDletSuitImpl.create(+62)
    at com.sun.midp.main.Main.runLocalClass(+20)
    at com.sun.midp.main.Main.main(+116)
    Exception completed.
    14945 bytecodes executed
    0 thread switches
    738 classes in the system (including system classes)
    229 dynamic objects allocated (14588 bytes)
    1 garbage collections (0 bytes coolected)
    
    I am not able to fing any solution via google. I hav e found only some not
    clear instruction to delete MIDP_HOME environment variable. But I have not
    any MIDP_HOME on my system.
    I have also found some advices to change something in
    java.security and java.policy files.
    Unforunately I don't know what to change. Anyone has any idea how to fix my
    problem ??
    I will be appreciate for any advice. Thanks in advance.
    
    --
    RaW
    Please fill free to correct my English.
- 3
  - Vmx Smalltalk for JavaA Beta version of Vmx Smalltalk for Java is now available for download.
    
    http://vmx-net.com/downloads/downloadjvm.php
    
    Your comments are welcome,
    email***@***.com
- 3
  - create a new windows (xp) service that runs a jar fileHello guys,
    
    Does anyone has experience/know how to create a new windows (xp)
    service that runs a jar file? This issue rises as i need to hide the
    most of the java implementation in this project before it goes live.
    
    So the idea is, to have control on the exceution of the jar from
    windows windows service console (which the users can define the startup
    type i.e. manual, automatic, disabled and the running life cycle i.e.
    start, stop, pause, resume, restart...).
    
    so any leads to solving this will be appreciated.
    
    Thanks in advance. Have a nice day!
- 6
  - Jazzy and Aspell dictionariesIs it possible to easily import Aspell dictionaries for use in Jazzy ?
    
    JC Helary
- 8
  - instanceOf operator new bie questionI am using Java 1.4.2.x
    
    I wrote following code:
    
    NumberFormat df;
    df = NumberFormat.getInstance();
    if (df instanceof DecimalFormat) {
    ((DecimalFormat) df).setMinimumIntegerDigits(1);
    ((DecimalFormat) df).setDecimalSeparatorAlwaysShown(true);
    }
    
    What does "df instanceof DecimalFormat" really mean? Does it mean that
    NumberFormat can be converted to DecimalFormat? Because my
    NumberFormat.getInstance() is returning me a NumberFormat and not
    DecimalFormat what else could it mean.
    
    I did read about instanceOf opeartor on google, but it is still
    confusing to me.
    
    Thanks a lot.
    Prem
- 8
  - Exec() Help!Hi,
    
    I'm trying to start an external applet from an applet I'm writing. I know
    Exec() Is the key, but I don't know how to use it. I know how to execute
    external native programs (I.e. programs I have written in BASIC and
    compiled). But starting an applet from an applet totally throws me. I have
    tried searching the net, and that has a lot to say about executing shell
    scripts, and natives - which I know how to do.
    
    What classes do I need to import? what line of code invokes an external
    applet? I don't need to grab output from the applet I want to execute, or
    send input. I just want it to run.
    
    Pleeeeeeez can anyone help, my project has to be handed in soon :-(
    
    Thanks,
    
    Dafydd.
- 8
  - StreamCorruptedExceptionHi
    sorry my english is not very good [:())
    
    i have something like that:
    
    Socket------------------------------------------------class1------ObjectOutp
    utStream
    |
    |
    |
    inner class in class1-thread-ObjectInputSt.
    |
    -----------------class2
    | |
    | inner class in class2 thread ObjectInputStream,
    ObjectOutputStream
    |
    |
    |
    --------class3- and here when i create ObjectOutputStream in inner class in
    class1 in thread
    jumps out exception StreamCorruptedException
    why?
    please help
    i don't know what i have should do?
    Czeski
- 9
  - J2MEHello,
    
    Are there any newsgroups or forums specifically for J2ME? I would like to
    make a game for mobile devices but I don't know where to start.
    
    Thanks in advance,
    Steve
- 11
  - AbstractTableModel not compatible with SwingWhat happens when AbstractTableModel is no longer compatible with Swing?
    
    I kinda see how to use it, but don't see how XMLEncoder would work in its
    place.
    
    "Warning: Serialized objects of this class will not be compatible with
    future Swing releases. The current serialization support is appropriate
    for short term storage or RMI between applications running the same
    version of Swing. As of 1.4, support for long term storage of all
    JavaBeansTM has been added to the java.beans package. Please see
    XMLEncoder. "
    
    http://java.sun.com/javase/6/docs/api/javax/swing/table/
    AbstractTableModel.html
    
    thanks,
    
    Thufir
- 11
  - Generics and returning specific subclass from methodI have an abstract class called say Base and two subclasses, say Sub1 and
    Sub2. Let me define a method in Super which I want to return a new instance
    of the superclass itself but I want to access this without having to cast.
    IE,
    
    public class Super {
    
    public <E extends Super> E partialCopy() {
    return this; // return this for example
    }
    }
    
    public class Sub1 extends Super { }
    
    Then I want to do this without the cast.
    
    Sub1 s1 = new Sub1();
    Sub2 s2 = s1.partialCopy();
    
    Can I do this with generics ?
- 11
  - Bug in java.net.Socket close() behavior?According to the API for java.net.Socket close():
    
    "Any thread currently blocked in an I/O operation upon this socket
    will throw a SocketException."
    
    http://java.sun.com/j2se/1.5.0/docs/api/java/net/Socket.html#close()
    
    I have observed that java 1.5 on FreeBSD does not follow this while
    the Windows and Linux ones I have tested do. On the FreeBSD runtimes
    that I have tested, a thread blocked on reading a socket just hangs
    forever if the socket is closed.
    
    Attached is a simple program that tests this behavior. It just
    connects to a port on one of my servers and has a reader thread
    watching input from the socket and closes the socket in a different
    thread to see if the reader thread gets an exception.
    
    Java runtimes that I have tested this on:
    # java -version
    java version "1.5.0"
    Java(TM) 2 Runtime Environment, Standard Edition (build diablo-1.5.0-b01)
    Java HotSpot(TM) 64-Bit Server VM (build diablo-1.5.0_07-b01, mixed mode)
    
    # java -version
    java version "1.5.0-p2"
    Java(TM) 2 Runtime Environment, Standard Edition (build
    1.5.0-p2-root_07_mar_2006_02_41)
    Java HotSpot(TM) 64-Bit Server VM (build
    1.5.0-p2-root_07_mar_2006_02_41, mixed mode)
- 12
  - JRE installation woesHi All
    
    I have installed the latest version of Sun's JRE on my Windows XP Pro PC.
    However, its "performance" is somewhere between abysmally slow and not at
    all. If I e.g. open the Java Control Panel module and click on one of the
    tabs, it takes over two minutes for that tab to display - this on a 3.4 GHz
    dual-processor 4 GB memory PC. Java aplications run no better. It does seem
    to "speed up" if I Alt-tab to another program and then Alt-tab back.
    
    CPU load is negligible so clearly, the JRE is waiting for something that
    occurs only rarely. But I have no idea where to look.
    
    Any help will be very much appreciated.
    
    Ebbe
- 14
  - Formatting a string in JavaHi
    
    I am a newby in Java and am trying to format a string into a fixed
    number of positions( in this case 5).
    So if I have a "5" in should be "00005", and "23" should be "00023".
    
    I hav tried looking at the classes 'import java.text.NumberFormat' and
    'import java.text.Format', but I didn't get far.
    
    Can anyone help me how I can do this in java?
    
    Any help will be appreciated.
    
    Regards

Author

Message

han

Posted: 2006-5-8 18:36:00

Top

java-programmer, jboss 4.0.3 jboss portal 2.2.1 hi
i am a one week newbie to j2ee world ( no java exp )
however i am to deploy application ( that is compiere ) onto existing
platform ( pentaho that is )
as per this date my assumptions are :
= point of integration would be in portal
= compiere application itself, war, would be deployed on jboss /deploy
= jsp be made to enable access from portal to war

could somebody help me on what is the definable steps to do the
integration?

Index ‹ java-programmer

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- 1
  - Question: getting a real path from a mapped drive.My question:
    
    If I have a mapped driver letter g: that referes to
    \\servername\d\foldername
    
    How do I get java to convert it from g: to the real path so I can use
    it?
    
    I have a script that allows someone to locate a file on the server,
    but most will use there mapped drives as they know nothing better.
    Although I've tried to standardize the drives, its difficult to
    maintain all the time with so many users. So, when they find their
    file on the network g:\thisFolder\thisFile.txt...I want the script to
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    I have found, but do not want to use, commercial classes and code. If
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    Thanks..
    Adam.
- 3
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- 4
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    The gaurded block is writen by me (not by IDE).
    
    Where is documentation about writing guarded block?
    
    --
    WOJSAL
    http://www.wojsal.prv.pl
- 5
  - Expanding on Video Formats
    I'm wondering if somebody with java knowledge will be able answer my
    question.
    
    Would it be within the realms of possibility to create a web-based
    video editing suite? (Which media format -- Windows, Quicktime, etc. --
    might best lend itself to such a task?)
    
    Also, I imagine that this application may require a desaturation
    process to bring down the memory size for the raw footage.
    
    I don't know enough about java programming to even guess about this;
    but with the current prevalence of digital editing software, an online
    version has convenience written all over it.
    
    Thanks,
- 6
  - applet signingHey
    
    I'm attempting to sign some applets that will step outside the sandbox by
    means of opening a network connection. What I want to know is there anyway
    of creating a certificate instead of buying one from a "trusted authorithy"
    even if its just for testing. and does anyone know if its difficult/time
    consumeing to sign applets?
    
    Thanking you niall
- 7
  - JAWS failureThis just started happening.
    
    I can run a JAWS app from within the browser.
    But when I later go to run from the desktop icon it says I don't have
    Java 1.6 installed.
    
    Here is a typical JNLP file after JAWS has normalised it:
    
    <jnlp spec="1.6+" codebase="http://mindprod.com/replicator/"
    href="http://mindprod.com/replicator/replicatorreceiverwebsite.jnlp">
    <information>
    <title>The Replicator 9.6 via website</title>
    <vendor>Canadian Mind Products</vendor>
    <homepage href="http://www.mindprod.com/"/>
    <description>Replicates files via website. Also keeps them up to
    date efficiently.</description>
    <description kind="short">Replicates files via
    website.</description>
    <description kind="one-line">Replicates files via
    website.</description>
    <description kind="tooltip">the Replicator</description>
    <icon href="http://mindprod.com/replicator/replicator.gif"
    height="64" width="64" kind="default"/>
    <icon href="http://mindprod.com/replicator/replicatorsplash.gif"
    height="128" width="128" kind="splash"/>
    <shortcut online="true">
    <desktop/>
    <menu submenu="The Replicator"/>
    </shortcut>
    </information>
    <security>
    <all-permissions/>
    </security>
    <update check="timeout" policy="always"/>
    <resources>
    <java initial-heap-size="134217728" max-heap-size="536870912"
    java-vm-args="-ea" href="http://java.sun.com/products/autodl/j2se"
    version="1.6+"/>
    <jar href="http://mindprod.com/replicator/replicator.jar"
    download="eager" main="false"/>
    <property name="VIA" value="website"/>
    <property name="PROJECT_NAME" value="Mindprod.com"/>
    <property name="UNIQUE_PROJECT_NAME"
    value="com.mindprod.replicator"/>
    <property name="SUGGESTED_RECEIVER_BASE_DIR" value="C:\mindprod"/>
    <property name="SUGGESTED_RECEIVER_ZIP_STAGING_DIR"
    value="C:\mpstaging"/>
    <property name="WEBSITE_ZIP_URL"
    value="http://mindprod.com/replicator"/>
    <property name="SUGGESTED_LAN_ZIP_URL"
    value="http://mindprod.com/replicator"/>
    <property name="KEEP_ZIPS" value="false"/>
    <property name="UNPACK_ZIPS" value="true"/>
    <property name="AUTHENTICATION" value="none"/>
    <property name="DEBUGGING" value="true"/>
    </resources>
    <application-desc main-class="com.mindprod.replicator.Replicator"/>
    </jnlp>
    Roedy Green Canadian Mind Products
    The Java Glossary
    http://mindprod.com
- 8
  - Sr. Systems Analyst- National Institutes of Health-JAVA and C++SR. SYSTEMS ANALYST - (Bioinformatics R&D)
    Summary:
    MSD is an employee-owned company of over 500 professionals who support
    the diverse technical, scientific, and administrative needs of the
    Federal government. We are currently searching for an experienced Sr.
    Systems Analyst to support one of our clients at the National
    Institutes of Health. This opportunity is permanent, full-time, and on
    site in Bethesda/Rockville, MD.
    
    Job Summary
    Our client requires the services of a Sr. Systems Analyst with a strong
    background in computer application design and development with a
    strength in Java-based client/server applications.
    
    Job Duties
    
    The successful candidate will be responsible for the following:
    -Develop production software and perform data processing to support the
    alignment and annotation phases of the genome data processing pipeline
    within a department at the National Institutes of Health (NIH.) Will
    also be responsible for improving data quality, performance,
    reliability, and maintainability of the pipeline software and process.
    -Develop genomic sequence assembly software in C and C++ for use on
    multiple platforms (Windows, Unix, Apple). Will use a C++ Toolkit,
    which provides platform-independent modules and APIs for programming
    genomic data analysis software
    -Will implement QA and reporting activities to reduce errors and avoid
    major processing delays to result in a more stable pipeline process.
    Will validate and improve data quality using methods such as close
    inspection of data samples to identify and categorize annotation
    errors.
    -Will be responsible for providing continued support with change in the
    data management environment using a BerkeleyDB data store with
    object-oriented data encapsulation and migrating toward relational
    database management using Microsoft SQL Server.
    -Organize data flow and configuration management using standardized
    procedures across organism-specific builds
    -Design, implement, and factor code for incremental migration of
    pipeline software from C to C++
    -Assist with the factor pipeline processing software executed on
    internal compute farm, which is a distributed, load-sharing and
    job-scheduling environment using Platform Computing Corporation's
    Load Sharing Facility (LSF).
    -Employ C++ and Perl for software programming and performs data and
    database management using BerkeleyDB and Microsoft SQL Server. This
    internal department has recently migrated from Sun to Linux as a
    development platform; candidates should be familiar with GNU C++
    compiler and tools such as Purify, Quantify, and Valgrind.
    
    REQUIREMENTS;
    -4/5+ yrs experience in Java programming
    -3 Yrs experience in C and C++ development/ Web applications
    development.
    -Min. MS in Computer Science or related technical discipline
    PREFERRED:
    -Biological Database /Statistical Data Analysis
    -Candidates should have a preferred background in bioinformatics,
    information retrieval and web based knowledge management. Scientific
    background, biology a plus
    
    Interested applicants should submit resume and salary requirements to
    Monica Lyerly, Technical Recruiter. email***@***.com. We require a
    short programming skill assessment completed prior to an interview,
    upon receipt of your resume we will be sending you the required
    assessment to be completed and returned to the same e mail address.Out
    of area candidates will be considered for this opportunity.
    EOE, M/F/D/V.
- 9
  - [J2ME] UI /freezes/ after IOExceptionHi,
    
    I have a MiDlet that starts a Thread through a Runnable, in which
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    Thread thd = new Thread(runner);
    thd.start();
    
    The application runs well, until I need to close the IO channels that
    are opened in that separate Thread.
    Of course, I catch the IOException in my Thread, and the Thread
    completes properly (and dies...).
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    menu will not show, and if I do some programmaticaly changes in the UI
    it does not display and the call blocks (i.e. if I add an item in the
    current screen, nothing happens and the next line --System.out.println--
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    I know the application didn't die, cause I have another Thread running a
    'while' loop and printing "I am alive!" even when the UI freezes.
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    What about a JScooby snack Shaggy ? ... Shaggy ?!
- 10
  - Bye Bye Toshiba: Samsung Ships the First Blu-Ray Playeremail***@***.com wrote:
    > $1000 versus $500. You really think Toshiba will tank? You don't know
    > much
    about consumers.
    
    considering these are targeted towards early adopters and the well-off,
    and considering blu-ray has significantly greater storage, content, and
    other capabilitles - uh, yes toshiba is in trouble. sales of toshiba
    hddvd titles are already slow....
- 11
  - Eclipse doesn't behave like built-in help says...Hi,
    I'm a Java command line programmer.
    
    I started step-by-step with the tutorial in the built-in help, Europa
    release.
    >From the Content view:
    
    Workbench User Guide ->Getting started -> Basic Tutorial -> Task and
    markers -> Associated Task.
    
    All goes fine until point 7.
    
    It says:
    
    [...]
    5. After the new task has been added, click in the editor on the first
    line or any other line above the line with which the new task is
    associated.
    
    6. Add several lines of text to the file at this point.
    
    7. Notice that as lines of text are added above it, the task marker
    moves down in the marker bar in order to remain with the associated
    line in the file. The line number in the Tasks view is updated when
    the file is saved.
    [...]
    
    Actually task marker in the marker bar disappeared, and the line
    number in the task view never update...
    Now I'm thinking what will happen with brakpoints or something else in
    debugging...
- 12
  - In praise of EclipseOn Sat, 16 Jul 2005 20:02:41 GMT, Dale King
    <email***@***.com> wrote or quoted :
    
    >As I said, you are actually not pointing to anything because the site
    >doesn't exist, Rumsfeld explained nothing, and last I checked even if he
    >had he is not a member of the Bush family.
    
    The link has gone stale. The site itself still exists. Last time I
    looked, a month or so ago it showed you a C-SPAN video of McKinney
    going after Rumsfeld.
    
    I spent 20 minutes unsuccessfully last night trying to find a new
    source for it.
    
    For more details on the loss/embezzlements see
    http://mindprod.com/politics/iraqeconomics.html
    
    This is not the forum to discuss. Try alt.politics.bush
    
    --
    Bush crime family lost/embezzled $3 trillion from Pentagon.
    Complicit Bush-friendly media keeps mum. Rumsfeld confesses on video.
    http://www.infowars.com/articles/us/mckinney_grills_rumsfeld.htm
    
    Canadian Mind Products, Roedy Green.
    See http://mindprod.com/iraq.html photos of Bush's war crimes
- 13
  - Programming ForumHello,
    I wanted to let you guys know that I've created a new forum for
    developers and shareware authors to discuss programming, piracy tatics
    (preventing), promotion, and more. The url is
    http://forum.codecall.net Please take a moment to have a look.
    
    Thanks,
    Jordan
- 14
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    into an image. Are there any applications out there that do this
    already? Can I run a J2ME server on my PC? Thanks
    
    Mike
- 15
  - Show a bean property in jsf....it's so difficult?????Hi....
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    I show you my passes...please correct me where i go wrong,,,
    For the first i declare property in backing bean
    
    private String[] arraylinee;
    
    In my application an user clicks a button, the application calls bean's
    method and creates this array of string,that's what i want to show in
    my jsp page.
    I've developed in my backing bean getter and setter methods..
    
    public String[] getarraylinee(){
    return arraylinee;
    }
    public void setarraylinee(String[] arraylinee){
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    That is...my bean's method is
    
    public String retrieveblob()throws
    IOException,SQLException,NullPointerException{
    Database2 db2 = new Database2("nomeDB","root","shevagol");
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    k=1;
    else k=0;
    //try{
    Connection dbo=db2.getConnection();
    Statement st = null;
    
    try {
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    }
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    exc.printStackTrace();
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    ResultSet rs = null;
    try {
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    }
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    try {
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    }
    try {
    Blob blob = rs.getBlob("Data");
    byte[] read = blob.getBytes(1, (int) blob.length());
    st.close();
    String lettura=new String(read);
    String[] arraylinee=lettura.split(";");
    }
    catch (NullPointerException exc) {
    exc.printStackTrace();
    }
    
    return "Result";
    }
    
    Result is a string useful for navigation...
    Let's go to jsp page
    
    codice:<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
    <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
    <%@ taglib uri="http://java.sun.com/jsp/jstl/core"
    prefix="c" %>
    
    <jsp:useBean id="myBean" class="giu.MyBean" scope="session"/>
    <%@ page import="giu.MyBean" %>
    <%-- Instantiate class --%>
    
    <html>
    <head>
    <title></title>
    </head>
    <body>
    <f:view>
    <f:verbatim>
    <h:outputText value="#{MyBean.k}"/>
    <table>
    <c:forEach items="${session.myBean.arraylinee}" var="linea" >
    <tr>
    <td>
    <c:out value="${linea}" />
    </td>
    </tr>
    </c:forEach>
    </table>
    </f:verbatim>
    </f:view>
    
    </body>
    </html>
    
    Don't care for MyBean.k, i use it for controlling if db connection
    works fine...
    In summary i want this jsp page prints my array of string,one for line.
    How can i do?
    The bean is called MyBean and it's in the package giu.
    Can you help me correcting my code directly???
    Ah....with my actual application the jsp output is:
    
    1
    ${linea}