java-programmer >>Wrong default encoding on Linux

Wrong default encoding on Linux - solved

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- 3
  - SCSI, tape, and scanner I/O?Are there any commonly used I/O classes for tape drive, scanner, or general
    SCSI operations?
    
    Charles P. Lamb
- 3
  - JTable select problemHello,
    
    I have a great problem with my JTable. I have a JTable with few lines
    and two columns. The user can select one line and with the following
    statements
    
    int column = tblSearchResults.getSelectedColumn();
    int row = tblSearchResults.getSelectedRow();
    Object value = tblSearchResults.getValueAt(row,column);
    
    I retrieve the value with which I display details of a second line in a
    new window (when the user presses a certain button). The problem is
    when I close this new window and want to select a new line the
    getSelectedColumn and the getSelectedRow returns always -1 which
    says that no line is marked although I have marked a line.
    
    Does anybody know what the problem can be? - it must concern the open
    and close of the detail window, because when I omit the code line which
    opens the detail window and only make System.out.println's with the
    getSelectedColumn and getSelectedRow it will always output the right
    line...
    
    thx
    
    pat
- 7
  - JMF Manager.createDataSource() and Resource URLsCurrently I am getting a URL from Class.getResource() for a wav file in
    the same directory.
    
    So here is what happens:
    
    If I feed Manager.createDataSource from JMF the Resource URL it fails
    and says unable to locate Data Source
    
    If I feed Manager.createDataSource a url to a webserver with the same
    file it works fine.
    
    How can I work around this?
    
    Dan
- 8
  - ant inherifRefs & echo for variablesHi! I'd like to see what ant thinks a variable value is.
    <echo>${varname}</echo> just shows me the literal '${varame}'. I was
    hoping there was some way to resolve it.
    The reason I want to do this is that delegate build.xml's don't seem to
    be inheriting refs
    <ant dir="subfolder" inheritAll="false" inheritRefs="true"/> doesn't
    seem to be working for me. I'm trying to pass a class path down to the
    build file that actually compiles. Is this possible? Is there a common
    pitfall I'm probably falling into?
- 8
  - Tomcat and Connection HandlingHi,
    
    I have noticed that when you do not return from the doGet() or doPost()
    method, for example, by inserting a infinite while loop like this:
    
    public void doGet(HttpServletRequest request, HttpServletResponse
    response) throws ServletException
    {
    while(true);
    }
    
    that tomcat will run out of connections after a few requests. So it
    seems to me, that tomcat is only using a few threads to serve many many
    http requests.
    
    Is there any way that I can make sure, that each doGet() and doPost()
    will be handle by a dedicated thread?
    
    The problem I'm trying to solve is to keep up to 1000 http connections
    alive over a long period of time and to sent information to the clients
    once in a while.
    
    I have solved this with basic thread blocking and waiting on objects,
    but the problem is that tomcat runs out of threads, because there seems
    to be a limited amount of threads, which tomcat uses to serve its http
    requests.
    
    any advice is appreciated!
    fritz
- 10
  - not getting an error but this code is not working properly.this code is to delete a record from an access database.there is no
    error but the record is not getting deleted from database.
    please help me in this regard.
    thanks in advance.
    code:
    if(JTCurrentJobTable.getValueAtJTCurrentJobTable.getSelectedRow),JTCurrentJobTable.getSelectedColumn())
    != null){String ObjButtons[] = {"Yes","No"};
    int PromptResult = JOptionPane.showOptionDialog(null,"Are you sure you
    want to delete the selected record?","Delete
    Record",JOptionPane.DEFAULT_OPTION,JOptionPane.ERROR_MESSAGE,null,ObjButtons,ObjButtons[1]);
    if(PromptResult==0){stCurrentJob.execute("DELETE * FROM
    tblCurrentJob WHERE CurrentJobIndex= " +
    JTCurrentJobTable.getValueAt(JTCurrentJobTable.getSelectedRow(),0));
    reloadRecord();
    JOptionPane.showMessageDialog(null,"Record has been successfully
    deleted.","Comfirm Delete",JOptionPane.INFORMATION_MESSAGE);
    }
- 10
  - references and a binary treeHello,
    
    I am new to Java. I am filling a binary tree with values using a loop,
    so when I need to descend one node deeper at the end of the loop, I
    use node=node.right for example. Consider this pseudo code:
    
    //...
    while(1) {
    node=new Node(new Leaf(),null);
    node=node.right;
    }
    
    I thought that the node variable will contain reference after this
    operation. But it does not, because when I look at the root of the
    binary tree, it does not get filled any further after the
    node=node.right operation.
    
    So my question is, what actually happens in the node=node.right , I
    tought that it should be only copying the references, not the values.
    I coded the same in c++ and instead of references I used the pointers
    and it worked right as I expected.
- 10
  - Univernsal IDIt seems to me any sort of ID that can be forged for under $500 is
    worse than useless. Any serious bad guy can easily afford fake id.
    For everyone else it is just a hassle if they forget their id.
    
    In our past anonymity was not a right. Everyone knew everyone in the
    village/tribe. You could not easily do wrong without others knowing
    it was you.
    
    If we got serious about a Universal ID, what are its characteristics?
    
    1. costs over $1,000,000 to forge.
    
    2. not useful to anyone other than the true owner.
    
    3. can be scanned in under a second.
    
    4. cannot be scanned without permission from the owner.
    
    5. Should not need to be replaced unless lost. Additional photos
    could be digitally added as you age.
    
    6. it should be useful as a credit/debit card, id card, door key,
    proof of age, link to medical records. It might even capture most of
    the information needed to compute your taxes in a way that the
    government has to believe you.
    
    7. It would have to be based on encryption technology and digitally
    signing information such as DNA, retinal patterns, fingerprints,
    photo.
    
    It might be reasonable to design such a card presuming the card will
    have the CPU and memory of a laptop running Java.
    --
    Roedy Green Canadian Mind Products
    The Java Glossary
    http://mindprod.com
- 11
  - JScrollPaneI have a file displayed in a JTextArea which is in a JScrollPane. When the
    window appears, the scroll bar is all the way down, displaying the end of
    the file. How can I set it to have the JScrollPane scrolled up to display
    the beginning of the file?
    
    _______
    Nechama Shuchatowitz
    email***@***.com
- 11
  - Trouble with KeyListeners in 1.4.2I'm having trouble using KeyListeners in 1.4.2. I'm writing a graphics
    application, and I'd like to change the behavior of some of the tools when
    modifier keys are held down. The problem is that I use a JToolBar, which
    seems to have grabbed hold of the focus and won't let go. The KeyListener
    I've registered with the main JFrame doesn't pick up any events (unless I
    comment out the JToolBar).
    
    I found a fix on the boards at java.sun.com which involves registering a
    KeyEventDispatcher with the current KeyboardFocusManager, and that does
    allow my KeyListener to work, but any *other* KeyEvents fail to propagate
    further--i.e., alt-F4 no longer quits the app, the alt-keys for my menu
    mnemonics stop working, etc.
    
    What do I have to do to get both shift-key detection and other key commands
    working at the same time? I understand there were some changes to the focus
    system in 1.4.x that cause these problems, but there doesn't seem to be any
    documentation on how to work around them.
    
    Any help is much appreciated.
    
    BTW, here's the code for the KeyEventDispatcher, in case it helps:
    
    DefaultKeyboardFocusManager.getCurrentKeyboardFocusManager().addKeyEventDisp
    atcher(
    
    new KeyEventDispatcher() {
    
    public boolean dispatchKeyEvent(final KeyEvent e) {
    
    processKeyEvent(e);
    
    return true;
    
    } // dispatchKeyEvent
    
    } // KeyEventDispatcher constructor
    
    );
    
    --
    Aaron Davies
    email***@***.com
- 12
  - relative paths for properties files in a web appI want to plug an API in to a web app. The API has a properties file
    that has properties defining the relative location of particular
    files. The questions I have are
    
    1. where should I store such 'particular files', indeed including the
    properties file itself - should I manually load them in to the WEB-INF
    directory?
    
    and
    
    2. how do I relatively relate to the path of the files located inside
    the web app (for example in the WEB-INF) inside the properties file.
    
    I hope that makese sense.
    
    Thanks
- 12
  - Focus problem on JListHello,
    
    I made a JDialog with two JButton and one JList. I'd like to get the focus
    on my Jlist, but it's always the first button (in declaration order) which
    has the focus. An actionListener is added to the JButton and I put the focus
    on the Jlist by "JList.requestFocus()".
    
    Any idea ?
- 12
  - My app runs too slow (lots of code follows)Let me start out by saying that I'm admittedly not a great programmer.
    I'm sure that my problems are my own fault and not really Java's. I
    have a program that I had originally written in Perl. For various
    reasons I decided to rewrite it in Java, but now that I'm nearly done,
    I'm not sure if I want to use it because it's very slow and resource
    intensive compared to my Perl version.
    
    Quick summary of what the program does: it performs MD5 sums on a
    number of files, stores the sums and compares against them on future
    runs -- sort of a cheesy tripwire, checks that some processes are
    running, checks the contents of a few small files like /etc/passwd,
    /etc/shadow, etc. It's strictly a Unix program for me.
    
    My old perl version generally runs the comparisons, checks file
    permissions, reads a couple of files, along with reading the last few
    minutes of a few logfiles (something I have yet to really implement in
    my new Java version, which will make it run even longer, of course) in
    less than a second. My java version does it (minus the logfile
    reading) in anywhere between 10 and 15 seconds.
    
    Here's my -Xprof output:
    
    Flat profile of 0.74 secs (37 total ticks): process reaper
    
    Thread-local ticks:
    100.0% 37 Unknown: no last frame
    
    Flat profile of 0.69 secs (36 total ticks): process reaper
    
    Thread-local ticks:
    100.0% 36 Unknown: no last frame
    
    Flat profile of 0.47 secs (24 total ticks): process reaper
    
    Thread-local ticks:
    100.0% 24 Unknown: no last frame
    
    Flat profile of 0.79 secs (41 total ticks): process reaper
    
    Thread-local ticks:
    100.0% 41 Unknown: no last frame
    
    Flat profile of 10.98 secs (324 total ticks): main
    
    Interpreted + native Method
    1.2% 0 + 2 java.io.UnixFileSystem.getBooleanAttributes0
    1.2% 0 + 2 java.lang.System.arraycopy
    0.6% 1 + 0 java.io.File.getName
    0.6% 0 + 1 ssm.FileStat.getOwner
    0.6% 0 + 1 java.util.ResourceBundle.<clinit>
    0.6% 1 + 0 java.io.BufferedInputStream.fill
    0.6% 1 + 0 sun.nio.cs.US_ASCII$Decoder.decodeArrayLoop
    0.6% 0 + 1 java.io.FileInputStream.open
    5.8% 3 + 7 Total interpreted
    
    Compiled + native Method
    34.7% 59 + 1 java.io.ByteArrayOutputStream.write
    27.2% 47 + 0 java.io.BufferedInputStream.read
    18.5% 32 + 0 sun.security.provider.MD5.transform
    1.2% 2 + 0 java.util.Arrays.mergeSort
    1.2% 2 + 0 ssm.MD5Sum.loadByteData
    0.6% 1 + 0 java.lang.StringBuffer.length
    0.6% 1 + 0 ssm.UnixCrypt.D_ENCRYPT
    0.6% 1 + 0 java.lang.String.toString
    84.4% 145 + 1 Total compiled
    
    Stub + native Method
    0.6% 0 + 1 java.lang.System.arraycopy
    0.6% 0 + 1 java.io.FileInputStream.readBytes
    1.2% 0 + 2 Total stub
    
    Thread-local ticks:
    46.6% 151 Blocked (of total)
    0.6% 1 Class loader
    7.5% 13 Unknown: no last frame
    0.6% 1 Unknown: thread_state
    
    Flat profile of 0.00 secs (1 total ticks): Thread-1
    
    Interpreted + native Method
    100.0% 1 + 0
    java.security.AccessController.getStackAccessControlContext
    100.0% 1 + 0 Total interpreted
    
    Global summary of 11.01 seconds:
    100.0% 327 Received ticks
    0.3% 1 Received GC ticks
    0.6% 2 Compilation
    0.3% 1 Class loader
    46.5% 152 Unknown code
    
    And, because I'm not really sure what to point anyone at, I'll just
    attach
    the bulk of my code, sorry...
    
    main:=========================================================
    import ssm.*;
    import java.io.*;
    import java.util.*;
    import java.net.InetAddress;
    import java.text.SimpleDateFormat;
    
    class SystemsSecurityMonitor {
- 12
  - Can I create a Thread directlyHI,
    
    Can I create a thread directly and then start it and run it as the code below?
    
    Thread tt = new Thread(); (or Thread tt = new Thread("thread");)
    tt.start();
    tt.run();
    
    If this is not possible, what is the use of these two methods?
- 16
  - Cig2u Affiliate Program !cig2u.com - Affiliate Program
    Cig2u Affiliate Program! Not only does the site look fantastic, but
    they offer competitive prices, and as a cigarette affiliate you will
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    your banners are performing. You can even test conversion performance
    by creating your own custom links! Our program is free to join, it's
    easy to sign-up and requires no technical knowledge.
    http://affiliates.cigarettes--online.com

Author

Message

Bernd Eggink

Posted: 2003-10-3 16:54:00

Top

java-programmer, Wrong default encoding on Linux - solved Mac <email***@***.com> wrote:
> On Tue, 30 Sep 2003 14:22:46 +0000, Bernd Eggink wrote:

>> I installed j2sdk1.4.2_01 on several Linux systems running SuSE 8.2.
>> Normally the default file encoding is correctly set to "ISO-8859-1".
>> On one system, however, the installation script assigns the value
>> "ANSI_X3.4-1968" to this property, which causes nasty problems with
>> german umlauts. I can't see any essential differences between this
>> system and the others, although I guess there must be some. Any ideas
>> what that could be?

> This may be more of a linux question than a java question. Maybe that one
> machine has different locale settings or something, and the jdk picks up on
> that either during the installation or at run time.

I found it at last. A library was missing (package 'glibc-locale').
Everything is OK now.

Bernd

--
Bernd Eggink
Regionales Rechenzentrum der Uni Hamburg
email***@***.com
http://www.rrz.uni-hamburg.de/RRZ/B.Eggink/

Index ‹ java-programmer

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    JDialog d = new ...
    ...
    d.setModal(true);
    d.show();
    if (d.close = btnOk){
    ...
    } else if (d.close == btnCancel){
    ...
    }
    
    In fact I want to use this way like in the windows programming:
    int i = d.showModal();
    if (i == ok){
    ...
    } else if ( i == cancel){
    ...
    }
    
    Please help me. I am a newbie in swing programming.
    
    Thanks a lot.
- 15
  - Tomcat 5.5.7 and Axis 1.0 problemI'm using Tomcat 5.5.7 and deployed Axis 1.0 samples on it. (using JDK
    1.5.0_01)
    
    happyaxis.jsp is happy! and finds all required libraries (but not
    optionals!)
    
    the list of services is shown correctly (has 2 servies, AdminService
    and getVersion)
    
    but when I click on call a local end point the result is:
    
    <?xml version="1.0" encoding="UTF-8" ?>
    <soapenv:Envelope
    xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <soapenv:Body>
    <soapenv:Fault>
    <faultcode>soapenv:Server.userException</faultcode>
    <faultstring>java.lang.NullPointerException</faultstring>
    <detail />
    </soapenv:Fault>
    </soapenv:Body>
    </soapenv:Envelope>
    
    I'm not sure, but I think the problem may be because of the new Compile
    mechanism Tomcat 5.5.x uses (depending on JRE not JDK).
    How can I recover from this problem?
    
    regards
    Amir