Getting JACE examples to compile under linux
Hi,
I've been very interested in using the JACE classes (jace.sf.net) but i've been able to get any help from their users. I'm stuck trying to get the basic examples to compile under redhat 9 linux. In the examples folders there are various scripts called "compile.sh" and "link.sh" but with no documentation or usage tips, and also the script has ill-defined paths to the source and includes. I'm interested in learning if other people has been able to use this seemingly interesting but largely unsupported library under linux, and how they got around to make it work
cheers all
It looks like you don't have your classpath set to the proper value.
There are many postings in these forums that discuss setting the classpath. Try searching for the keyword classpath.
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uifont.ali
# uifont.ali provided in fontsolutions.tar for developer 9.0.2
# $Header: uifont.ali@@/main/22 \
# Checked in on Tue Jan 8 15:32:42 PST 2002 by idc \
# Copyright (c) 1999, 2002 by Oracle Corporation. All Rights Reserved. \
# $
# $Revision: /main/22 $
# Copyright (c) Oracle Corporation 1994, 2002.
# All Rights Reserved.
# DESCRIPTION:
# Each line is of the form:
# <Face>.<Size>.<Style>.<Weight>.<Width>.<CharSet> = \
# <Face>.<Size>.<Style>.<Weight>.<Width>.<CharSet>
# The <Face> must be the name (string/identifier) of a font face. The
# <Style>, <Weight>, <Width>, and <CharSet> may either be a numeric
# value or a predefined identifier/string. For example, both US7ASCII
# and 1 are valid <CharSet> values, and refer to the same character set.
# The <Size> dimension must be an explicit size, in points.
# The following is a list of recognized names and their numeric
# equivalents:
# Styles Numeric value
# Plain 0
# Italic 1
# Oblique 2
# Underline 4
# Outline 8
# Shadow 16
# Inverted 32
# Overstrike 64
# Blink 128
# Weights Numeric value
# Ultralight 1
# Extralight 2
# Light 3
# Demilight 4
# Medium 5
# Demibold 6
# Bold 7
# Extrabold 8
# Ultrabold 9
# Widths Numeric value
# Ultradense 1
# Extradense 2
# Dense 3
# Semidense 4
# Normal 5
# Semiexpand 6
# Expand 7
# Extraexpand 8
# Ultraexpand 9
# Styles may be combined; you can use plus ("+") to delimit parts of a
# style. For example,
# Arial..Italic+Overstrike = Helvetica.12.Italic.Bold
# are equivalent, and either one will map any Arial that has both Italic
# and Overstrike styles to a 12-point, bold, italic Helvetica font.
# All strings are case-insensitive in mapping. Font faces are likely to
# be case-sensitive on lookup, depending on the platform and surface, so
# care should be taken with names used on the right-hand side; but they
# will be mapped case-insensitively.
# See your platform documentation for a list of all supported character
# sets, and available fonts.
# BUGS:
# o Should accept a RHS ratio (e.g., "Helv = Arial.2/3").
#===============================================================
[ Global ] # Put mappings for all surfaces here.
# Mapping from MS Windows
#Arial = helvetica
#"Courier New" = courier
#"Times New Roman" = times
#Modern = helvetica
#"MS Sans Serif" = helvetica
#"MS Serif" = times
#"Small Fonts" = helvetica
"Sadvocra" = helvetica..Oblique.Medium
"sAdC128d" = helvetica..Plain.Medium
"CarolinaBar-B39-25F2" = helvetica...Bold
#"IDAutomationSMICR" = helvetica
# Mapping from Macintosh
#"New Century Schlbk" = "new century schoolbook"
#"New York" = times
#geneva = helvetica
#===============================================================
[ Printer ] # Put mappings for all printers here.
#===============================================================
[ Printer:PostScript1 ] # Put mappings for PostScript level 1 printers here.
# Sample Kanji font mappings
...UltraLight..JEUC = "Ryumin-Light-83pv-RKSJ-H"...Light..JEUC
...UltraLight..SJIS = "Ryumin-Light-83pv-RKSJ-H"...Light..SJIS
...ExtraLight..JEUC = "Ryumin-Light-83pv-RKSJ-H"...Light..JEUC
...ExtraLight..SJIS = "Ryumin-Light-83pv-RKSJ-H"...Light..SJIS
...Light..JEUC = "Ryumin-Light-83pv-RKSJ-H"...Light..JEUC
...Light..SJIS = "Ryumin-Light-83pv-RKSJ-H"...Light..SJIS
...DemiLight..JEUC = "Ryumin-Light-83pv-RKSJ-H"...Light..JEUC
...DemiLight..SJIS = "Ryumin-Light-83pv-RKSJ-H"...Light..SJIS
.....JEUC = "GothicBBB-Medium-83pv-RKSJ-H"...Medium..JEUC
.....SJIS = "GothicBBB-Medium-83pv-RKSJ-H"...Medium..SJIS
# Mapping from MS Windows
#Roman = palatino
#Script = "itc zapf chancery"
#FixedSys = courier
#System = helvetica
# Mapping from Macintosh
#"Avant Garde" = "itc avant garde gothic"
# Mapping from Motif display
#fixed = courier
#clean = times
#lucidatypewriter = courier
#lucidabright = times
#Arial = helvetica
#"Courier New" = courier
#"Times New Roman" = times
# MICR font
#helvetica=IDAutomationSMICR
#===============================================================
[ Printer:PostScript2 ] # Put mappings for PostScript level 2 printers here.
# Sample Kanji font mappings
...UltraLight..JEUC = "Ryumin-Light-83pv-RKSJ-H"...Light..JEUC
...UltraLight..SJIS = "Ryumin-Light-83pv-RKSJ-H"...Light..SJIS
...ExtraLight..JEUC = "Ryumin-Light-83pv-RKSJ-H"...Light..JEUC
...ExtraLight..SJIS = "Ryumin-Light-83pv-RKSJ-H"...Light..SJIS
...Light..JEUC = "Ryumin-Light-83pv-RKSJ-H"...Light..JEUC
...Light..SJIS = "Ryumin-Light-83pv-RKSJ-H"...Light..SJIS
...DemiLight..JEUC = "Ryumin-Light-83pv-RKSJ-H"...Light..JEUC
...DemiLight..SJIS = "Ryumin-Light-83pv-RKSJ-H"...Light..SJIS
.....JEUC = "GothicBBB-Medium-83pv-RKSJ-H"...Medium..JEUC
.....SJIS = "GothicBBB-Medium-83pv-RKSJ-H"...Medium..SJIS
# Mapping from MS Windows
#Roman = palatino
#Script = "itc zapf chancery"
#FixedSys = courier
#System = helvetica
# Mapping from Macintosh
#"Avant Garde" = "itc avant garde gothic"
# Mapping from Motif display
#fixed = courier
#clean = times
#lucidatypewriter = courier
#lucidabright = times
#===============================================================
[ Printer:PCL5 ] # Put mappings for PCL 5 printers here.
helvetica = univers
times = "cg times"
clean = "antique olv"
fixed = courier
lucida = univers
lucidabright = "cg times"
lucidatypewriter = courier
"new century schoolbook" = univers
terminal = "line printer"
#===============================================================
[ Display ] # Put mappings for all display surfaces here.
#===============================================================
[ Display:Motif ] # Put mappings for Motif displays here
# Fix for bug no 778937 DO NOT MOVE!
Roman.....sjis = lucida.....jeuc
Script.....sjis = lucidabright.....jeuc
FixedSys.....sjis = fixed.....jeuc
System.....sjis = lucida.....jeuc
.....sjis = .....jeuc
# Mapping from MS Windows
Roman = lucida
Script = lucidabright
FixedSys = fixed
System = lucida
# Mapping from Macintosh
"Avant Garde" = helvetica
"Bookman" = times
#===============================================================
[ Display:CM ] # Put mappings for all CM displays here.
# These are DEC-specific, and may need localization
*..Blink = Blinking
*..Inverted+Underline.Bold = ReverseBoldUnderline
*..Inverted+Underline. = UnderlineReverse
*..Underline.Bold = UnderlineBold
*..Inverted.Bold = ReverseBold
*...Bold = Bold
*..Underline = Underline
*..Inverted = Reverse
* = Plain # The font of last resort
# Oracle Report PDF sections
# Three new sections have been added:
# [ PDF ] - Used for font aliasing and Multibyte language support
# [ PDF:Embed ] - Used for Type 1 font embedding
# [ PDF:Subset ] - Used for True Type Font subsetting
[ PDF ]
# This example shows how to rename helvetica font to Courier font
# helvetica = Courier
# You can Alias specific styles of font as below
# helvetica.12..Bold.. = Courier.14....
# "Lucida Bright".12..Bold = "New Century Schoolbook"
# Support for Far Eastern Languages:
# PDF section can be additionally used to enable Multibyte language support
# built into Reports. To use this feature with Adobe (r) Acrobat (c), you
# need to install the Asian font pack available online at the Adobe web site.
# .....SJIS = "HeiseiKakuGo-W5-Acro"
# A Japanese report run with Shift-JIS character set is replaced to
# HeiseiKakuGo-W5-Acro CID font.
arial = Arial
"arial" =Arial
"arial narrow" = "Arial Narrow"
"courier new" = "Courier New"
tahoma = Tahoma
"microsoft sans serif" = "Microsoft Sans Serif"
"ms sans serif" = "MS Sans Serif"
"times new roman" = "Times New Roman"
[ PDF:Embed ]
# This example shows how to embed Type 1 helvetica font into the PDF file:
# helvetica = "helvetica.afm helvetica.pfa"
# You need to specify the .afm file before the .pfa file.
# The font files must exist in one of the folders specified in REPORTS_PATH.
[ PDF:Subset ]
# This example shows how to subset Arial True Type font into the PDF file:
# helvetica = "Arial.ttf"
# The True Type font files must exist in any one of the folders specified in
# REPORTS_PATH.
helvetica..Oblique.Medium = "Sadvocra.ttf"
helvetica..Plain.Medium = "Sadc128d.ttf"
helvetica...Bold = "CarolinaBar-B39-25F2-Normal.ttf"
# NOTES ON PRECEDENCE OF PDF SECTIONS:
# If you have entries for a same font in many PDF sections, then Font
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# Generic entries for a font must follow more specific entries for the same
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# helvetica Italic and helvetica Bold-Italic fonts, your entries must be:
# [ PDF:Subset ]
# helvetica..Italic.Bold.. = "Arialbi.ttf"
# helvetica...Bold.. = "Arialb.ttf"
# helvetica..Italic... = "Ariali.ttf"
# helvetica..... = "Arial.ttf"
# If helvetica..... entry appears in the top of the list, all the styles of
# helvetica font in the layout will be subset as helvetica Plain font.
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*PPD-Adobe: "4.0"
*% Adobe Systems PostScript(R) Printer Description File
*% Copyright 1987-1992 Adobe Systems Incorporated.
*% All Rights Reserved.
*% Permission is granted for redistribution of this file as
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*PageSize A4: "statusdict /a4tray get exec a4R"
*PageSize A4.Transverse: "statusdict /a4tray get exec a4"
*PageSize A5: "statusdict /a5tray get exec"
*PageSize B4: "statusdict /b4tray get exec"
*PageSize B5: "statusdict /b5tray get exec b5R"
*PageSize B5.Transverse: "statusdict /b5tray get exec b5"
*CloseUI: *PageSize
*% These entries will set up the frame buffer. Usually used with manual feed.
*OpenUI *PageRegion: PickOne
*OrderDependency: 40 AnySetup *PageRegion
*DefaultPageRegion: Letter
*PageRegion Letter: "letterR"
*PageRegion Letter.Transverse: "letter"
*PageRegion Legal: "legal"
*PageRegion Ledger: "ledger"
*PageRegion Tabloid: "11x17"
*PageRegion A3: "a3"
*PageRegion A4: "a4R"
*PageRegion A4.Transverse: "a4"
*PageRegion A5: "a5"
*PageRegion B4: "b4"
*PageRegion B5: "b5R"
*PageRegion B5.Transverse: "b5"
*PageRegion Statement: "statement"
*CloseUI: *PageRegion
*% The following entries provide information about specific paper keywords.
*DefaultImageableArea: Letter
*ImageableArea Letter: "20 16 591 775 "
*ImageableArea Letter.Transverse: "18 19 593 773 "
*ImageableArea Legal: "18 19 593 990 "
*ImageableArea Ledger: "18 16 1205 775 "
*ImageableArea Tabloid: "16 19 775 1206 "
*ImageableArea A3: "18 21 823 1170 "
*ImageableArea A4: "18 18 576 823 "
*ImageableArea A4.Transverse: "18 19 577 823 "
*ImageableArea A5: "18 19 401 577 "
*ImageableArea B4: "19 15 709 1017 "
*ImageableArea B5: "20 19 495 709 "
*ImageableArea B5.Transverse: "20 19 495 709 "
*ImageableArea Statement: "22 19 374 594 "
*?ImageableArea: "
save
/cvp {( ) cvs print ( ) print } bind def
/upperright {10000 mul floor 10000 div} bind def
/lowerleft {10000 mul ceiling 10000 div} bind def
newpath clippath pathbbox
4 -2 roll exch 2 {lowerleft cvp} repeat
exch 2 {upperright cvp} repeat flush
restore
*End
*% These provide the physical dimensions of the paper (by keyword)
*DefaultPaperDimension: Letter
*PaperDimension Letter: "612 792"
*PaperDimension Letter.Transverse: "612 792"
*PaperDimension Legal: "612 1008"
*PaperDimension Ledger: "1224 792"
*PaperDimension Tabloid: "792 1224"
*PaperDimension A3: "842 1191"
*PaperDimension A4: "595 842"
*PaperDimension A4.Transverse: "595 842"
*PaperDimension A5: "420 595"
*PaperDimension B4: "729 1032"
*PaperDimension B5: "516 729"
*PaperDimension B5.Transverse: "516 729"
*PaperDimension Statement: "396 612"
*RequiresPageRegion All: True
*OpenUI *InputSlot: PickOne
*OrderDependency: 20 AnySetup *InputSlot
*DefaultInputSlot: Upper
*InputSlot Upper: "0 statusdict /setpapertray get exec"
*InputSlot Lower: "1 statusdict /setpapertray get exec"
*?InputSlot: "
save
[ (Upper) (Lower) ] statusdict /papertray get exec
(get exec) stopped ( pop pop (Unknown)} if = flush
restore
*End
*CloseUI: *InputSlot
*OpenUI *ManualFeed: Boolean
*OrderDependency: 20 AnySetup *ManualFeed
*DefaultManualFeed: False
*ManualFeed True: "statusdict /manualfeed true put"
*ManualFeed False: "statusdict /manualfeed false put"
*?ManualFeed: "
save
statusdict /manualfeed get {(True)}{(False)}ifelse = flush
restore
*End
*CloseUI: *ManualFeed
*DefaultOutputOrder: Reverse
*% Font Information =====================
*% This datap462.ppd is provided by fontsolutions.tar
*DefaultFont: Courier
*Font ArialMT: Standard "(001.004)" Standard ROM
*Font Arial-ItalicMT: Standard "(001.004)" Standard ROM
*Font Arial-BoldMT: Standard "(001.004)" Standard ROM
*Font Arial-BoldItalicMT: Standard "(001.004)" Standard ROM
*Font ArialNarrow: Standard "(001.004)" Standard ROM
*Font ArialNarrow-Italic: Standard "(001.004)" Standard ROM
*Font ArialNarrow-Bold: Standard "(001.004)" Standard ROM
*Font ArialNarrow-BoldItalic: Standard "(001.004)" Standard ROM
*Font CourierNewMT: Standard "(001.004)" Standard ROM
*Font CourierNew-ItalicMT: Standard "(001.004)" Standard ROM
*Font CourierNew-BoldMT: Standard "(001.004)" Standard ROM
*Font CourierNew-BoldItalicMT: Standard "(001.004)" Standard ROM
*Font Courier: Standard "(001.004)" Standard ROM
*Font Courier-Bold: Standard "(001.001)" Standard ROM
*Font Courier-BoldOblique: Standard "(001.001)" Standard ROM
*Font Courier-Oblique: Standard "(001.001)" Standard ROM
*Font Helvetica: Standard "(001.001)" Standard ROM
*Font Helvetica-Bold: Standard "(001.001)" Standard ROM
*Font Helvetica-BoldOblique: Standard "(001.001)" Standard ROM
*Font Helvetica-Oblique: Standard "(001.001)" Standard ROM
*Font IDAutomationSMICR: Standard "(001.001)" Standard ROM
*Font Symbol: Special "(001.001)" Special ROM
*Font Tahoma: Standard "(001.001)" Standard ROM
*Font Tahoma-Bold: Standard "(001.001)" Standard ROM
*Font Times-Bold: Standard "(001.001)" Standard ROM
*Font Times-BoldItalic: Standard "(001.001)" Standard ROM
*Font Times-Italic: Standard "(001.001)" Standard ROM
*Font Times-Roman: Standard "(001.001)" Standard ROM
*Font TimesNewRomanMT: Standard "(001.001)" Standard ROM
*Font TimesNewRoman-BoldMT: Standard "(001.001)" Standard ROM
*Font TimesNewRoman-BoldItalicMT: Standard "(001.001)" Standard ROM
*Font TimesNewRoman-ItalicMT: Standard "(001.001)" Standard ROM
*?FontQuery: "
save
/str 100 string dup 0 (fonts/) putinterval def
count 1 gt
exch dup str 6 94 getinterval cvs
(/) print print (:) print
FontDirectory exch known
{(Yes)}{(No)} ifelse =
{exit} ifelse
}bind loop
(*) = flush
restore
*End
*?FontList: "
FontDirectory { pop == } bind forall flush
(*) = flush
*End
*% Printer Messages (verbatim from printer):
*Message: "%%[ exitserver: permanent state may be changed ]%%"
*Message: "%%[ Flushing: rest of job (to end-of-file) will be ignored ]%%"
*Message: "\FontName\ not found, using Courier"
*% Status (format: %%[ status: <one of these> ]%% )
*Status: "idle"
*Status: "busy"
*Status: "waiting"
*Status: "printing"
*Status: "warming up"
*Status: "PrinterError: BD check"
*Status: "PrinterError: Paper jam"
*Status: "PrinterError: Replace toner bag"
*Status: "PrinterError: Warming up"
*Status: "PrinterError: Timing error"
*Status: "PrinterError: Fuser check"
*Status: "PrinterError: Cover opened"
*Status: "PrinterError: Toner empty"
*Status: "PrinterError: Empty & reset output bin(s)"
*Status: "PrinterError: Sorter or jogger error"
*Status: "PrinterError: Scanner check"
*% Input Sources (format: %%[ status: <stat>; source: <one of these> ]%% )
*Source: "serial9"
*Source: "serial25"
*Source: "AppleTalk"
*Source: "Centronics"
*% Printer Error (format: %%[ PrinterError: <one of these> ]%%)
*PrinterError: "BD check"
*PrinterError: "Paper jam"
*PrinterError: "Replace toner bag"
*PrinterError: "Warming up"
*PrinterError: "Timing error"
*PrinterError: "Fuser check"
*PrinterError: "Cover opened"
*PrinterError: "Toner empty"
*PrinterError: "Empty & reset output bin(s)"
*PrinterError: "Sorter or jogger error"
*PrinterError: "Scanner check"
*%DeviceAdjustMatrix: "[1 0 0 1 0 0]"
*% Color Separation Information =====================
*DefaultColorSep: ProcessBlack.60lpi.300dpi/60 lpi / 300 dpi
*InkName: ProcessBlack/Process Black
*InkName: CustomColor/Custom Color
*InkName: ProcessCyan/Process Cyan
*InkName: ProcessMagenta/Process Magenta
*InkName: ProcessYellow/Process Yellow
*% For 60 lpi / 300 dpi =====================================================
*ColorSepScreenAngle ProcessBlack.60lpi.300dpi/60 lpi / 300 dpi: "45"
*ColorSepScreenAngle CustomColor.60lpi.300dpi/60 lpi / 300 dpi: "45"
*ColorSepScreenAngle ProcessCyan.60lpi.300dpi/60 lpi / 300 dpi: "15"
*ColorSepScreenAngle ProcessMagenta.60lpi.300dpi/60 lpi / 300 dpi: "75"
*ColorSepScreenAngle ProcessYellow.60lpi.300dpi/60 lpi / 300 dpi: "0"
*ColorSepScreenFreq ProcessBlack.60lpi.300dpi/60 lpi / 300 dpi: "60"
*ColorSepScreenFreq CustomColor.60lpi.300dpi/60 lpi / 300 dpi: "60"
*ColorSepScreenFreq ProcessCyan.60lpi.300dpi/60 lpi / 300 dpi: "60"
*ColorSepScreenFreq ProcessMagenta.60lpi.300dpi/60 lpi / 300 dpi: "60"
*ColorSepScreenFreq ProcessYellow.60lpi.300dpi/60 lpi / 300 dpi: "60"
*% For 53 lpi / 300 dpi =====================================================
*ColorSepScreenAngle ProcessBlack.53lpi.300dpi/53 lpi / 300 dpi: "45.0"
*ColorSepScreenAngle CustomColor.53lpi.300dpi/53 lpi / 300 dpi: "45.0"
*ColorSepScreenAngle ProcessCyan.53lpi.300dpi/53 lpi / 300 dpi: "71.5651"
*ColorSepScreenAngle ProcessMagenta.53lpi.300dpi/53 lpi / 300 dpi: "18.4349"
*ColorSepScreenAngle ProcessYellow.53lpi.300dpi/53 lpi / 300 dpi: "0.0"
*ColorSepScreenFreq ProcessBlack.53lpi.300dpi/53 lpi / 300 dpi: "53.033"
*ColorSepScreenFreq CustomColor.53lpi.300dpi/53 lpi / 300 dpi: "53.033"
*ColorSepScreenFreq ProcessCyan.53lpi.300dpi/53 lpi / 300 dpi: "47.4342"
*ColorSepScreenFreq ProcessMagenta.53lpi.300dpi/53 lpi / 300 dpi: "47.4342"
*ColorSepScreenFreq ProcessYellow.53lpi.300dpi/53 lpi / 300 dpi: "50.0"
*% For "Dataproducts LZR 2665" version 46.2
*% Produced by "GETapd.ps" version 2.0 edit 47
*% Converted to meet 4.0 specification
*% Last Edit Date: Sep 15 1992
*% The byte count of this file should be exactly 011228 or 011572
*% depending on the filesystem it resides in.
*% end of PPD file for Dataproducts LZR 2665If you want to make platform independent use of fonts, you have to use the family, such as sans serif.
Arial is owned by monotype (http://monotype.com/). You have to contact them if you wish to redistribute it with your application. They also might have a suitable version that renders nicely under linux.
Pete -
Exception in html parser under Linux
Hi all,
Following code is copied from Tech Tip 23Sep1999. I have compiled it and run it under Win98. It works fine for any uri. However, when I try to run it under Linux, it throws exceptions. I noticed that some web site can be parsered with the program in Linux but some can't. I wonder the different between those platforms. Anyone can tell me how to make the program works under Linux.
Rgds,
unplug
configuration
RedHat 7.1
JDK1.3.1
Failed: java GetLinks http://java.sun.com
Worked: java GetLinks http://www.apache.org
--begining of code
import java.io.*;
import java.net.*;
import javax.swing.text.*;
import javax.swing.text.html.*;
class GetLinks {
public static void main(String[] args) {
EditorKit kit = new HTMLEditorKit();
Document doc = kit.createDefaultDocument();
// The Document class does not yet
// handle charset's properly.
doc.putProperty("IgnoreCharsetDirective",
Boolean.TRUE);
try {
// Create a reader on the HTML content.
Reader rd = getReader(args[0]);
// Parse the HTML.
kit.read(rd, doc, 0);
// Iterate through the elements
// of the HTML document.
ElementIterator it = new ElementIterator(doc);
javax.swing.text.Element elem;
while ((elem = it.next()) != null) {
SimpleAttributeSet s = (SimpleAttributeSet)
elem.getAttributes().getAttribute(HTML.Tag.A);
if (s != null) {
System.out.println(
s.getAttribute(HTML.Attribute.HREF));
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
// Returns a reader on the HTML data. If 'uri' begins
// with "http:", it's treated as a URL; otherwise,
// it's assumed to be a local filename.
static Reader getReader(String uri)
throws IOException {
if (uri.startsWith("http:")) {
// Retrieve from Internet.
URLConnection conn=
new URL(uri).openConnection();
return new
InputStreamReader(conn.getInputStream());
} else {
// Retrieve from file.
return new FileReader(uri);
--End of code
--Exception in Linux
Exception in thread "main" java.lang.NoClassDefFoundError
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:120)
at java.awt.Toolkit$2.run(Toolkit.java:512)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:503)
at javax.swing.text.html.CSS.getValidFontNameMapping(CSS.java:932)
at javax.swing.text.html.CSS$FontFamily.parseCssValue(CSS.java:1789)
at javax.swing.text.html.CSS.getInternalCSSValue(CSS.java:531)
at javax.swing.text.html.CSS.addInternalCSSValue(CSS.java:516)
at javax.swing.text.html.StyleSheet.addCSSAttribute(StyleSheet.java:436)
at javax.swing.text.html.HTMLDocument$HTMLReader$ConvertAction.start(HTM
LDocument.java:2536)
at javax.swing.text.html.HTMLDocument$HTMLReader.handleStartTag(HTMLDocu
ment.java:1992)
at javax.swing.text.html.parser.DocumentParser.handleStartTag(DocumentPa
rser.java:145)
at javax.swing.text.html.parser.Parser.startTag(Parser.java:333)
at javax.swing.text.html.parser.Parser.parseTag(Parser.java:1786)
at javax.swing.text.html.parser.Parser.parseContent(Parser.java:1821)
at javax.swing.text.html.parser.Parser.parse(Parser.java:1980)
at javax.swing.text.html.parser.DocumentParser.parse(DocumentParser.java
:109)
at javax.swing.text.html.parser.ParserDelegator.parse(ParserDelegator.ja
va:74)
at javax.swing.text.html.HTMLEditorKit.read(HTMLEditorKit.java:239)
at GetLinks.main(GetLinks.java:23)Support for CSS and clearly defined.Also Dictionary getDocumentProperties() is not properly exaplained meaning it doesnt give methods to get all the properties a HTML document can have.
-
Crash (SIGSEGV, SIGILL) of 32bit Hotspot under Linux x86_64 in VMware
Hello!
A reproducible crash of these 1.6 32 bit Java VMs is hinderung my application from starting when I want to start it under a x86_64 Linux kernel in VMware (Workstation and ESX):
- java version "1.6.0_06"
Java(TM) SE Runtime Environment (build 1.6.0_06-b02)
Java HotSpot(TM) Client VM (build 10.0-b22, mixed mode, sharing)
- java version "1.6.0_06"
Java(TM) SE Runtime Environment (build 1.6.0_06-b02)
Java HotSpot(TM) Server VM (build 10.0-b22, mixed mode)
- java version "1.6.0_10-beta"
Java(TM) SE Runtime Environment (build 1.6.0_10-beta-b23)
Java HotSpot(TM) Client VM (build 11.0-b11, mixed mode, sharing)
Tested using there kernels:
- Linux debian 2.6.18-6-amd64 #1 SMP Sun Feb 10 17:50:19 UTC 2008 x86_64 GNU/Linux
- Linux openSUSE 2.6.22.5-31-default #1 SMP 2007/09/21 22:29:00 UTC x86_64 x86_64 x86_64 GNU/Linux
- Linux sles10-sp1-sdm 2.6.16.46-0.12-default #1 Thu May 17 14:00:09 UTC 2007 x86_64 x86_64 x86_64 GNU/Linux
Sproradic but reproducible JVM (Hotspot) crashes while running a simple garbage collector stress application several times in parallel. hs_err files are generated each time. However, the "Problematic frame" address and library changes every time!
Examples:
# Java VM: Java HotSpot(TM) Client VM (10.0-b22 mixed mode, sharing linux-x86)
# Problematic frame:
# C [libc.so.6+0xe4c9d] xdr_u_long+0xd
VM state:not at safepoint (normal execution)
# Java VM: Java HotSpot(TM) Server VM (10.0-b22 mixed mode linux-x86)
# Problematic frame:
# C 0xf7f56acb
VM state:at safepoint (normal execution)
# Java VM: Java HotSpot(TM) Server VM (10.0-b22 mixed mode linux-x86)
# Problematic frame:
# C [libnss_compat.so.2+0x2e16] nsscompat_getpwnam_r+0x46
VM state:synchronizing (normal execution)
The problem only appears using JDK or JRE 1.6 32 bit edition on a Linux 2.6 x86_64 kernel in VMware. Tests using real hardware, using a i686 kernel and using JDK / JRE 1.6 64 bit edition or JDK / JRE 1.5 (32 bit and 64 bit) could not reproduce the crashes.
Questions:
- Is there a general stability problem when starting the 32 bit Java VM under Linux 64?
- Does anybody have similar problems with
- Java VM 32bit under Linux 64?
- Java VM in VMware (both ESX and Workstation)?
Simple stress test application:
public class GCStress {
private static Thread[] threads;
private static java.util.Random random = new java.util.Random();
private static int maxBytes;
private static int numThreads;
public static void main(String[] args) {
numThreads = Integer.parseInt(args[0]);
maxBytes = Integer.parseInt(args[1]);
threads = new Thread[numThreads];
for (int x = 0; x < numThreads; x++) {
threads[x] = new Thread(new Allocator(), "Thread_" + x);
threads[x].start();
while (true) {
for (int x = 0; x < numThreads; x++) {
if (!threads[x].isAlive()) {
threads[x] = new Thread(new Allocator(), "Thread_r" + x);
threads[x].start();
try {
Thread.sleep(500);
} catch (InterruptedException e) {
// ignore
private static class Allocator implements Runnable {
public void run() {
while (true) {
int tSize = random.nextInt(maxBytes);
// System.out.println(Thread.currentThread().getName()
// + " allocating " + tSize / 1024 + "kb");
byte[] tMemFiller = new byte[tSize];
try {
Thread.sleep(random.nextInt(200));
} catch (InterruptedException e) {
; // ignore
}The program is started like this:
./jdk1.6.0_06/bin/java -server -Xms32m -Xmx256m GCStress 500 10485760
And I run it usually 5 times in parallel. 1 time seems not to be enough (I should test that tonight).
However, I've tested using several -XX: flags, but nothing really helped! (-XX:+UseParallelGC, -XX:-UseTLAB, -XX:+UseSpinning -XX-UseThreadPriorities, -XX:-UseBiasedLocking, -XX:-UseLargePages)
About the lib: Every time, the content of hs_err is very different. I've also got
hs_err_pid6201.log:# Problematic frame:
hs_err_pid6201.log-# C [libc.so.6+0x5a261] IOwfile_seekoff+0x3b4
hs_err_pid7116.log:# Problematic frame:
hs_err_pid7116.log-# C 0x36343238
hs_err_pid7137.log:# Problematic frame:
hs_err_pid7137.log-# C 0xf7f17f67
hs_err_pid7192.log:# Problematic frame:
hs_err_pid7192.log-# C [libc.so.6+0x9d1ae]
hs_err_pid7223.log:# Problematic frame:
hs_err_pid7223.log-# C [libc.so.6+0xfef67] __register_frame_info+0xf
hs_err_pid7232.log:# Problematic frame:
hs_err_pid7232.log-# C [libc.so.6+0x109cdc]
hs_err_pid7239.log:# Problematic frame:
hs_err_pid7239.log-# C [libc.so.6+0x212b3] __newlocale+0x233
hs_err_pid8569.log:# Problematic frame:
hs_err_pid8569.log-# C [libc.so.6+0x562b9] IOgetline_info+0x52
hs_err_pid8571.log:# Problematic frame:
hs_err_pid8571.log-# C [libc.so.6+0x2b3] rtldglobal+0x2b3
hs_err_pid8573.log:# Problematic frame:
hs_err_pid8573.log-# C [libc.so.6+0x9b2b9]
hs_err_pid8596.log:# Problematic frame:
hs_err_pid8596.log-# C [libc.so.6+0x2e2d1]
hs_err_pid8615.log:# Problematic frame:
hs_err_pid8615.log-# C 0xf7e462b3
hs_err_pid8635.log:# Problematic frame:
hs_err_pid8635.log-# C [libc.so.6+0x9148c] glob64+0x40d
hs_err_pid8642.log:# Problematic frame:
hs_err_pid8642.log-# C [libc.so.6+0x722b9]
hs_err_pid8667.log:# Problematic frame:
hs_err_pid8667.log-# C [libc.so.6+0x67261]
hs_err_pid9957.log:# Problematic frame:
hs_err_pid9957.log-# C [libc.so.6+0xc5265]
libnss is linked during execution:
hs_err_pid7192.log:f7d77000-f7d7e000 r-xp 00000000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid7192.log:f7d7e000-f7d80000 rwxp 00006000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid7223.log:f7d6e000-f7d75000 r-xp 00000000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid7223.log:f7d75000-f7d77000 rwxp 00006000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid7232.log:f7db0000-f7db7000 r-xp 00000000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid7232.log:f7db7000-f7db9000 rwxp 00006000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid7239.log:f7dbc000-f7dc3000 r-xp 00000000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid7239.log:f7dc3000-f7dc5000 rwxp 00006000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid8569.log:f7d4c000-f7d53000 r-xp 00000000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid8569.log:f7d53000-f7d55000 rwxp 00006000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid8571.log:f7da2000-f7da9000 r-xp 00000000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid8571.log:f7da9000-f7dab000 rwxp 00006000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid8573.log:f7d07000-f7d0e000 r-xp 00000000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid8573.log:f7d0e000-f7d10000 rwxp 00006000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid8596.log:f7d74000-f7d7b000 r-xp 00000000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid8596.log:f7d7b000-f7d7d000 rwxp 00006000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid8615.log:f7de0000-f7de7000 r-xp 00000000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid8615.log:f7de7000-f7de9000 rwxp 00006000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid8635.log:f7d27000-f7d2e000 r-xp 00000000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid8635.log:f7d2e000-f7d30000 rwxp 00006000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid8642.log:f7d30000-f7d37000 r-xp 00000000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid8642.log:f7d37000-f7d39000 rwxp 00006000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid8667.log:f7d3c000-f7d43000 r-xp 00000000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid8667.log:f7d43000-f7d45000 rwxp 00006000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid9957.log:f7d9a000-f7da1000 r-xp 00000000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
hs_err_pid9957.log:f7da1000-f7da3000 rwxp 00006000 08:01 422025 /emul/ia32-linux/lib/libnss_compat-2.3.6.so
Sample stack trace:
# An unexpected error has been detected by Java Runtime Environment:
# SIGSEGV (0xb) at pc=0x67f69b57, pid=9123, tid=3902569360
# Java VM: Java HotSpot(TM) Server VM (10.0-b22 mixed mode linux-x86)
# Problematic frame:
# C 0x67f69b57
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
--------------- T H R E A D ---------------
Current thread (0x080a4c00): VMThread [stack: 0xe8947000,0xe89c8000] [id=9135]
siginfo:si_signo=SIGSEGV: si_errno=0, si_code=1 (SEGV_MAPERR), si_addr=0x67f69b57
Registers:
EAX=0x67f69b57, EBX=0xf7f62ff4, ECX=0x000e89c6, EDX=0x00000000
ESP=0xe89c6934, EBP=0xe89c6968, ESI=0x080a4c00, EDI=0x080df118
EIP=0x67f69b57, CR2=0x67f69b57, EFLAGS=0x00010203
Top of Stack: (sp=0xe89c6934)
0xe89c6934: e89c6a10 eabdb800 eaaea220 eabdb838
0xe89c6944: 0003c586 000023af 0657221a 0805848c
0xe89c6954: eaaea220 eabdb838 080df0d4 080a4c00
0xe89c6964: 00000001 e89c6998 064e51cb 080df118
0xe89c6974: 08058350 e89c6998 0629cb5e 08058450
0xe89c6984: 0003c586 e89c69d8 f0c719a8 e89c6ae0
0xe89c6994: 00000001 e89c69b8 064e526c 080df0d4
0xe89c69a4: 080a4c00 00000000 064f6ddb 080df478
Instructions: (pc=0x67f69b57)
0x67f69b47:
[error occurred during error reporting (printing registers, top of stack, instructions near pc), id 0xb]
Stack: [0xe8947000,0xe89c8000], sp=0xe89c6934, free space=510k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
C 0x67f69b57
V [libjvm.so+0x4e51cb]
V [libjvm.so+0x4e526c]
V [libjvm.so+0x4f6cd8]
V [libjvm.so+0x34c60d]
V [libjvm.so+0x4dbe4c]
V [libjvm.so+0x31722e]
V [libjvm.so+0x5b83cf]
V [libjvm.so+0x5ba5bb]
V [libjvm.so+0x55a59d]
V [libjvm.so+0x322be7]
V [libjvm.so+0x2ce43b]
V [libjvm.so+0x3227f7]
V [libjvm.so+0x294845]
V [libjvm.so+0x322b8c]
V [libjvm.so+0x5edede]
V [libjvm.so+0x5fb0c7]
V [libjvm.so+0x5fa6dc]
V [libjvm.so+0x5fa8b1]
V [libjvm.so+0x5fa48f]
V [libjvm.so+0x4fe219]
C [libpthread.so.0+0x5192]
VM_Operation (0xe371ee1c): GenCollectForAllocation, mode: safepoint, requested by thread 0x08217000
--------------- P R O C E S S ---------------
Java Threads: ( => current thread )
0x082f6400 JavaThread "Thread_528" [_thread_blocked, id=12818, stack(0xddd8a000,0xddddb000)]
0x080db800 JavaThread "Thread_2" [_thread_blocked, id=9178, stack(0xe8547000,0xe8598000)]
0x080da400 JavaThread "Thread_1" [_thread_blocked, id=9177, stack(0xe8598000,0xe85e9000)]
0x080d9800 JavaThread "Thread_0" [_thread_blocked, id=9176, stack(0xe85e9000,0xe863a000)]
0x080c9800 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=9162, stack(0xe86bb000,0xe870c000)]
0x080c8400 JavaThread "CompilerThread1" daemon [_thread_blocked, id=9155, stack(0xe870c000,0xe878d000)]
0x080bdc00 JavaThread "CompilerThread0" daemon [_thread_blocked, id=9147, stack(0xe878d000,0xe880e000)]
0x080bc800 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=9146, stack(0xe880e000,0xe885f000)]
0x080a9000 JavaThread "Finalizer" daemon [_thread_blocked, id=9137, stack(0xe88a5000,0xe88f6000)]
0x080a8000 JavaThread "Reference Handler" daemon [_thread_blocked, id=9136, stack(0xe88f6000,0xe8947000)]
0x08057800 JavaThread "main" [_thread_blocked, id=9126, stack(0xf7da4000,0xf7df5000)]
Other Threads:
=>0x080a4c00 VMThread [stack: 0xe8947000,0xe89c8000] [id=9135]
0x080cb400 WatcherThread [stack: 0xe863a000,0xe86bb000] [id=9174]
VM state:at safepoint (normal execution)
VM Mutex/Monitor currently owned by a thread: ([mutex/lock_event])
[0x08056388/0x080563b0] Threads_lock - owner thread: 0x080a4c00
[0x08056848/0x08056860] Heap_lock - owner thread: 0x08217000
Heap
def new generation total 7296K, used 7273K [0xe8c40000, 0xe9420000, 0xe9a70000)
eden space 6528K, 99% used [0xe8c40000, 0xe929c8f0, 0xe92a0000)
from space 768K, 98% used [0xe92a0000, 0xe935dee8, 0xe9360000)
to space 768K, 0% used [0xe9360000, 0xe9360068, 0xe9420000)
tenured generation total 47472K, used 17838K [0xe9a70000, 0xec8cc000, 0xf0c40000)
the space 47472K, 37% used [0xe9a70000, 0xeabdb838, 0xeabdba00, 0xec8cc000)
compacting perm gen total 16384K, used 1648K [0xf0c40000, 0xf1c40000, 0xf4c40000)
the space 16384K, 10% used [0xf0c40000, 0xf0ddc170, 0xf0ddc200, 0xf1c40000)
No shared spaces configured.
Dynamic libraries:
06000000-0665d000 r-xp 00000000 08:02 543502 /usr/java/jdk1.6.0_06/jre/lib/i386/server/libjvm.so
0665d000-066a1000 rwxp 0065c000 08:02 543502 /usr/java/jdk1.6.0_06/jre/lib/i386/server/libjvm.so
066a1000-06ac3000 rwxp 066a1000 00:00 0
08048000-08052000 r-xp 00000000 08:02 541414 /usr/java/jdk1.6.0_06/bin/java
08052000-08053000 rwxp 00009000 08:02 541414 /usr/java/jdk1.6.0_06/bin/java
08053000-083a8000 rwxp 08053000 00:00 0 [heap]
ddd8a000-ddd8d000 ---p ddd8a000 00:00 0
f7f87000-f7f88000 ---p f7f87000 00:00 0
f7f88000-f7f89000 rwxp f7f88000 00:00 0
f7f89000-f7fa3000 r-xp 00000000 08:02 1622023 /lib/ld-2.6.1.so
f7fa3000-f7fa5000 rwxp 0001a000 08:02 1622023 /lib/ld-2.6.1.so
fff5f000-fff68000 rwxp fff5f000 00:00 0 [stack]
ffffe000-fffff000 r-xp ffffe000 00:00 0 [vdso]
VM Arguments:
jvm_args: -Xms32m -Xmx128m
java_command: GCStress 2000 1048570
Launcher Type: SUN_STANDARD
Environment Variables:
PATH=/sbin:/usr/sbin:/usr/local/sbin:/root/bin:/usr/local/bin:/usr/bin:/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/games:/usr/lib/mit/bin:/usr/lib/mit/sbin
LD_LIBRARY_PATH=/usr/java/jdk1.6.0_06/jre/lib/i386/server:/usr/java/jdk1.6.0_06/jre/lib/i386:/usr/java/jdk1.6.0_06/jre/../lib/i386
SHELL=/bin/bash
HOSTTYPE=x86_64
OSTYPE=linux
MACHTYPE=x86_64-suse-linux
Signal Handlers:
SIGSEGV: [libjvm.so+0x5edbc0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGBUS: [libjvm.so+0x5edbc0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGFPE: [libjvm.so+0x4fc630], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGPIPE: [libjvm.so+0x4fc630], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGXFSZ: [libjvm.so+0x4fc630], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGILL: [libjvm.so+0x4fc630], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGUSR1: SIG_DFL, sa_mask[0]=0x00000000, sa_flags=0x00000000
SIGUSR2: [libjvm.so+0x4fe670], sa_mask[0]=0x00000000, sa_flags=0x10000004
SIGHUP: [libjvm.so+0x4fe410], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGINT: [libjvm.so+0x4fe410], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGTERM: [libjvm.so+0x4fe410], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGQUIT: [libjvm.so+0x4fe410], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
--------------- S Y S T E M ---------------
OS:openSUSE 10.3 (X86-64)
VERSION = 10.3
uname:Linux 2.6.22.5-31-default #1 SMP 2007/09/21 22:29:00 UTC x86_64
libc:glibc 2.6.1 NPTL 2.6.1
rlimit: STACK 8192k, CORE 0k, NPROC 16384, NOFILE 8192, AS 3334080k
load average:13.01 11.87 9.18
CPU:total 1 (1 cores per cpu, 1 threads per core) family 15 model 4 stepping 8, cmov, cx8, fxsr, mmx, sse, sse2, sse3
Memory: 4k page, physical 2063116k(334428k free), swap 2104472k(2104472k free)
vm_info: Java HotSpot(TM) Server VM (10.0-b22) for linux-x86 JRE (1.6.0_06-b02), built on Mar 25 2008 00:26:44 by "java_re" with gcc 3.2.1-7a (J2SE release)
time: Thu May 15 13:26:54 2008
elapsed time: 365 seconds -
Calling an existing C code with JNI under linux.
Hi all,
I am trying to use an exsiting c code with jni but I am keep getting
java.lang.UnsatisfiedLinkError, I am working under linux.
This is what I have done so far:
1.export LD_LIBRARY_PATH='pwd'/lib
2. created HspellNative.java with the static System.loadLibrary("HspellNative") and native function called hspellInit
3. compiled the java class
4. javah -jni HspellNative
5. HspellNative.c:
#include <jni.h>
#include <stdio.h>
#include "HspellNative.h"
#include "hspell.h"
JNIEXPORT jint JNICALL
Java_HspellNative_hspellInit ( JNIEnv* env, jobject obj )
struct dict_radix **dict;
return ( (jint) (hspell_init(dict,0) ) );
6. could be the problematic one:
gcc -o lib/libHspellNative.so -shared -I/opt/bea/jdk142_05/include -I/opt/bea/jdk142_05/include/linux hspell.c HspellNative.c
7. java HspellNative
8. getting the following error:
Exception in thread "main" java.lang.UnsatisfiedLinkError: /opt/haim/Hspell/hspell-0.9/lib/libHspellNative.so: /opt/haim/Hspell/hspell-0.9/lib/libHspellNative.so: undefined symbol: hspell_debug
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1586)
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1511)
at java.lang.Runtime.loadLibrary0(Runtime.java:788)
at java.lang.System.loadLibrary(System.java:834)
at HspellNative.<clinit>(HspellNative.java:18)
My problem is that I don't know how to combine my HspellNative.c to the existing hspell.c, I know I should put them together in the shared library somehow, but how ?
Please advice.
Thanks in advance,
Haim.I know there is something wrong with the .so, the question is: what ? and how do I fix it ?
This is the ldd ldd libHspellNative.so output:
/etc/libcwait.so => /etc/libcwait.so (0x0060b000)
libc.so.6 => /lib/tls/libc.so.6 (0x00111000)
/lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x00359000)
I have no idea what it means...
I think I will try the SWIG.
Thanks any way. -
Can't get DECLARE/BEGIN to compile
I'm working on a project for my systems analysis class, which involves creating a few tables and printing out information from them. Our teacher has taught us nothing of use for this project so I have been winging it thus far. Any way, I have tried to get one of his sample snippets to compile under the worksheet view in Oracle SQL Developer:
DECLARE
n number;
BEGIN
n:=50;
dbms_output.Put_Line('The value of n is ' || n);
END;
However, when I try to run it I get the following error: Incorrect syntax near the keyword 'DECLARE'. I tried writing the most simple thing I could think of:
BEGIN
dbms_output.Put_Line('the value of n is 20');
END;
But I receive a similar error: Incorrect syntax near the keyword 'BEGIN'. I've been able to get normal SQL table queries to work just fine, so my question is what am I doing wrong here?711e6c4c-dd5d-4fc9-89db-c486c4c7e47b wrote:
I'm working on a project for my systems analysis class, which involves creating a few tables and printing out information from them.
The very first thing you should understand is basic Oracle client-server architecture. How do you get data from the server to the client - in a way that is standard, performant, flexible and scalable.
And DBMS_OUTPUT is the wrong choice for that. It does not print or display data. It is server code. It is not capable of hacking across the network and displaying data on the client's device/application.
DBMS_OUTPUT is a very primitive debugging/tracing interface. The package has a buffer (array that resides in very expensive server memory). A put_line() call places that string into this buffer.
When a client has completed a call (like your server call where you send an anonymous PL/SQL block to Oracle), the client can make a 2nd server call - and request DBMS_OUTPUT to send the current buffer content to the client. This client behaviour (making this hidden/transparent 2nd server call) is usually governed on the client by a setting called SERVER OUTPUT. The client receives the buffer. The client displays this buffer.
Using DBMS_OUTPUT to send data to the client is, bluntly put, IDIOTIC. This is not what DBMS_OUTPUT is designed to do. In fact, using it in this fashion can exhaust server memory and cause the server o/s to reboot due to swap space trashing.
The CORRECT way is for the client to use a cursor to transport data from the server, to the client.
There are 2 basic choices. The client deals with the cursor creation (it needs to construct the SQL source, using variable binding, etc). Or the client calls PL/SQL that does this for the client - and returns a handle to the cursor created to the client for use.
The latter method is preferred. As the client does not need to understand the data model, SQL, database specific SQL syntax, and so on. Instead the client calls PL/SQL code and this code abstracts all that complexities from the client. The client gets a cursor handle in return and uses it to process the cursor's output.
Here is a basic example, with SQL*Plus as the client:
SQL> -- client defines a cursor variable to receive
SQL> -- the cursor handle from PL/SQL
SQL> var c refcursor
SQL>
SQL>
SQL> -- client makes a PL/SQL call, where the PL/SQL
SQL> -- code creates the cursor
SQL> declare
2 cur sys_refcursor; -- pl/sql cursor variable
3 begin
4 -- code creates the cursor
5 open cur for
6 select 'Today is '||to_char(sysdate,'Day') as INFO from dual;
7
8 -- code passes cursor handle to client
9 :c := cur;
10 end;
11 /
PL/SQL procedure successfully completed.
SQL>
SQL> -- client has now received the cursor handle and
SQL> -- can use it for fetching and displaying data
SQL> print c
INFO
Today is Friday
SQL>
This is how one passes data from server to client - correctly.
DBMS_OUTPUT is for storing limited and basic trace and debug text messages. It is not a transport interface for sending server data to the client. -
Hello everybody,
I am currently writing a photoalbum application using JavaEE and I use the folowing code to generate a thumbnail of an image.
BufferedImage image = ImageIO.read(new File("IMG_1381.JPG"));
// determine thumbnail size from WIDTH and HEIGHT
int thumbWidth = 150;
int thumbHeight = 100;
double thumbRatio = (double) thumbWidth / (double) thumbHeight;
int imageWidth = image.getWidth(null);
int imageHeight = image.getHeight(null);
double imageRatio = (double) imageWidth / (double) imageHeight;
if (thumbRatio < imageRatio) {
thumbHeight = (int) (thumbWidth / imageRatio);
} else {
thumbWidth = (int) (thumbHeight * imageRatio);
thumbHeight = 100;
thumbWidth = (int) ((thumbHeight / (double) imageHeight) * imageWidth);
// draw original image to thumbnail image object and
// scale it to the new size on-the-fly
BufferedImage thumbImage = new BufferedImage(thumbWidth, thumbHeight, BufferedImage.TYPE_INT_RGB);
Graphics2D graphics2D = thumbImage.createGraphics();
graphics2D.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
graphics2D.setRenderingHint( RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC );
graphics2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
graphics2D.drawImage(image, 0, 0, thumbWidth, thumbHeight, null);
// save thumbnail image to OUTFILE
BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream("thumb.jpg"));
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(thumbImage);
int quality = 100;
quality = Math.max(0, Math.min(quality, 100));
param.setQuality(1.0f,true);
encoder.setJPEGEncodeParam(param);
encoder.encode(thumbImage);
out.close();The code works perfectly fine under Mac OS X but generates very poor results under linux. It seems as if it was ignoring the BICUBIC scaling when under Linux. Has anybody ever experienced the same behavior. Any suggestions?
Thank you,
MartinWhen a PSU's efficiency is too low, it can not deliver the demanded output. Higher temps make efficiency drop significantly. When a PSU can't deliver the demanded output, chances are it can not keep the voltages (3,3v / 5v / 12v) within safety margins. When a component is overvolted/undervolted for a longer period of time, it will be damaged.
Most of the time, your board will be damaged first. It delivers power mainly to the cpu, so the faulty board could damage the cpu due to overvolting it...
Look out for an Enermax or OCZ with 30+ amps on all rails, for example an Enermax Noisetaker 475W (double 12v rail) or an Enermax 465W (single 12v rail). Both have efficiency in the 75-80% range at all levels of output demand. It doesn't get any better than that. Those things are pricy, but so is the rest of your rig, so you don't want to damage your stuff any further. -
Java running under linux with crontab
I'm having a problem:
i want to run a java program under linux with crontab.
my classes are in a directory and aren't in a package. i run em by invoking ./start which is a small script that i wrote. The script is in the same dir as the classes and invokes java by "java Main >>logjava.txt " but this doesn't seem to work all i get is an empty logfile
i need to run the program every day at 0800 so i inserted the following in crontab:
0 8 * 1-5 /var/"path"/start > logjava (where path is the path to the classes dir)
if i run the cmdline from anywhere on the prompt i get the result i want. I think it's because the cron runs it from the root dir thus making java unable to find the classes
Any suggestions would be welcome. or can some1 tell me how to make linux executables from the java (i usually use jsmooth for the windows exe)You can execute several commands in the process started by cron. You separate them using semicolons.
Have you tried a cron entry like this:
0 8 * 1-5 cd /var/"path";pwd;echo $PATH; ./start > logjavaOr, you may need to make sure the process started by cron gets the same environment as your interactive shells do, by explicitly loading your setup or .login scripts:
0 8 * 1-5 . $HOME/.setup;cd /var/"path";pwd;echo $PATH; ./start > logjava -
JMF code working under linux but not windows XP
Hello everyone,
I'm currently working on a nice cross-platform project involving sound producing. I decided to take a look at JMF and test it a bit to know if its features can suit me. I tried to make it works under windows, using a very simple sample of code. The system seems to play the sound as some console output detects the start and the end, but all i hear is a very short noise ( 1/2second ) like a "CLIK" and nothing else. I tested the code under linux, using the same computer and it works just fine, playing the same wave nicely and entirely.
some info:
-i used the cross platform JMF, no performance pack ( i tried it , but still no result )
-the code just opens a file dialog and plays the selected file
-the selected file was always a very simple .wav
-i did not use system classpath variables because i don't like it, i rather use local classpath ( which works fine too, no doubt about it )
-i tested this little soft on 2 other computer using windows XP, and still got the same result.
Please, have you got an idea about what's going on ?
Thanks a lot for any answer!
Maxime - Paris . France
Code Sample:
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import javax.media.*;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
public class JMFSound extends Object implements ControllerListener {
File soundFile;
JDialog playingDialog;
public static void main (String[] args) {
JFileChooser chooser = new JFileChooser();
chooser.showOpenDialog(null);
File f = chooser.getSelectedFile();
try {
JMFSound s = new JMFSound (f);
} catch (Exception e) {
e.printStackTrace();
public JMFSound (File f) throws NoPlayerException, CannotRealizeException, MalformedURLException, IOException {
soundFile = f;
// prepare a dialog to display while playing
JOptionPane pane = new JOptionPane ("Playing " + f.getName(), JOptionPane.PLAIN_MESSAGE);
playingDialog = pane.createDialog (null, "JMF Sound");
playingDialog.pack();
// get a player
MediaLocator mediaLocator = new MediaLocator(soundFile.toURL());
Player player = Manager.createRealizedPlayer (mediaLocator);
player.addControllerListener (this);
player.prefetch();
player.start();
playingDialog.setVisible(true);
// ControllerListener implementation
public void controllerUpdate (ControllerEvent e) {
System.out.println (e.getClass().getName());
if (e instanceof EndOfMediaEvent) {
playingDialog.setVisible(false);
System.exit (0);
Message was edited by:
Monsieur_MaxHello everyone,
I'm currently working on a nice cross-platform project involving sound producing. I decided to take a look at JMF and test it a bit to know if its features can suit me. I tried to make it works under windows, using a very simple sample of code. The system seems to play the sound as some console output detects the start and the end, but all i hear is a very short noise ( 1/2second ) like a "CLIK" and nothing else. I tested the code under linux, using the same computer and it works just fine, playing the same wave nicely and entirely.
some info:
-i used the cross platform JMF, no performance pack ( i tried it , but still no result )
-the code just opens a file dialog and plays the selected file
-the selected file was always a very simple .wav
-i did not use system classpath variables because i don't like it, i rather use local classpath ( which works fine too, no doubt about it )
-i tested this little soft on 2 other computer using windows XP, and still got the same result.
Please, have you got an idea about what's going on ?
Thanks a lot for any answer!
Maxime - Paris . France
Code Sample:
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import javax.media.*;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
public class JMFSound extends Object implements ControllerListener {
File soundFile;
JDialog playingDialog;
public static void main (String[] args) {
JFileChooser chooser = new JFileChooser();
chooser.showOpenDialog(null);
File f = chooser.getSelectedFile();
try {
JMFSound s = new JMFSound (f);
} catch (Exception e) {
e.printStackTrace();
public JMFSound (File f) throws NoPlayerException, CannotRealizeException, MalformedURLException, IOException {
soundFile = f;
// prepare a dialog to display while playing
JOptionPane pane = new JOptionPane ("Playing " + f.getName(), JOptionPane.PLAIN_MESSAGE);
playingDialog = pane.createDialog (null, "JMF Sound");
playingDialog.pack();
// get a player
MediaLocator mediaLocator = new MediaLocator(soundFile.toURL());
Player player = Manager.createRealizedPlayer (mediaLocator);
player.addControllerListener (this);
player.prefetch();
player.start();
playingDialog.setVisible(true);
// ControllerListener implementation
public void controllerUpdate (ControllerEvent e) {
System.out.println (e.getClass().getName());
if (e instanceof EndOfMediaEvent) {
playingDialog.setVisible(false);
System.exit (0);
Message was edited by:
Monsieur_Max
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Query on Oracle Database migration verifier
Hi, I would like to know whether the migration verifier can be used to verify the data migration done between two different Oracle database, where the schema structures of both the databases are totally different. Thanks, Vijaya.
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I need to re-install airport card
Hello all, I was trying to update my macbook pro (software update) and after the update was completed the i could not connect to my wireless network any more due to the fact that my airport card was missing. How it happened i do not know. I need to r
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Question for customs "Define rules for default document data"
Hello all, we would like to set up the data for AES. We set the country of origin, as you can see on the below screenshot. The problem is that the country of origin is not forwarded to AES. In the export declaration under the item detail there is an