Strange Behaviour in File class

Hi,
I noticed a strange behaviour. There is a file contains unicode letters in its name. I tried
File file=new File("c:\@ℏℑ\@�⅙0.txt");
file.exists() // I checked existence of file using this statement which returns false although file is exist.
What can I do ?
Thanks

Hi,
Thanks for the reply.
I am showing the sample:
//This is a list method
static void list(File file) {
 if (file.isDirectory()) {
 File[] files = file.listFiles();
 if (files != null) {
 for (int i = 0; i < files.length; i++) {
 if(files.isDirectory()){
list(files[i]);
}else{
System.out.println(files[i].getAbsolutePath() + " " + files[i].exists());
System.out.println(file.getAbsolutePath() + " " + file.exists());
if I call this method like this from main method:
File file=new File("C:\\Documents and Settings\\Neha\\Desktop\\ttt\\@ℏℑ\\@�⅙0.txt");
list(file);
output:
C:\Documents and Settings\Neha\Desktop\ttt\@??\@�?0.txt false [with Jre5]
C:\Documents and Settings\Neha\Desktop\ttt\@??\@�?0.txt true [with Jre6]
if I call like this
File file=new File("C:\\Documents and Settings\\Neha\\Desktop\\ttt");
list(file);
Output:
C:\Documents and Settings\Neha\Desktop\ttt\@??\@�?0.txt true
C:\Documents and Settings\Neha\Desktop\ttt\@??\Chambal25.txt true
C:\Documents and Settings\Neha\Desktop\ttt\@?? true
C:\Documents and Settings\Neha\Desktop\ttt true

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The test java app:
package small.test;
import java.awt.BorderLayout;
import java.awt.Container;
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import java.io.IOException;
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 " "+
 " "+
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 " "+
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 " "+
 " "+
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 StringReader reader = null;
 try
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 System.out.println("Load oops");
 exception.printStackTrace();
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 if (reader != null)
 reader.close();
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 class insertAction implements Runnable
 String text = "";
 int offset = 0;
 JEditorPane jEditorPane1 = null;
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 System.out.println("reading from string reader");
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 0,//0
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fix another stuffed up attempt at a SSCCE.

Well, I know nothing about HTML in JEditorPanes. I have never been able to figure out how insertions work.
My comment was a warning to others. Some people (like me) avoid answering posting of this type for reasons given in the JavaRanch link. Others will answer anyway. Other might first check the other site to see if they are wasting there time, but they can only do that if a link was posted with the original question.
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I use Java SE 1.5 and 1.6. If I write a simple class like the following
public class Prova{
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please note that /*2*/ and /*3*/ ALWAYS print the declared values (in this case 128).
thank you!

Shadow-DK wrote:
From version 1.5 that declaration began correct and the result was similar to Integer i = new Integer(100);
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If you aren't sure what the compiler is doing, it can be informative to use the javap command with the -c option to view the classfile.
Usage: javap <options> <classes>...
where options include:
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 -help Print this usage message
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 and members (default)
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 If verifying, print reasons for failureBruce

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    at org.flexunit.internals.runners::ChildRunnerSequencer/executeStep()[E:\hudson\jobs\FlexUni t4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\ChildRunnerSequencer.as: 82]
    at org.flexunit.internals.runners.statements::StatementSequencer/handleChildExecuteComplete( )[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\ statements\StatementSequencer.as:141]
    at org.flexunit.internals.runners.statements::StatementSequencer/evaluate()[E:\hudson\jobs\F lexUnit4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\statements\Stateme ntSequencer.as:109]
    at org.flexunit.runners::ParentRunner/run()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexU nit4\src\org\flexunit\runners\ParentRunner.as:483]
    at org.flexunit.runners::Parameterized/runChild()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace \FlexUnit4\src\org\flexunit\runners\Parameterized.as:273]
    at org.flexunit.internals.runners::ChildRunnerSequencer/executeStep()[E:\hudson\jobs\FlexUni t4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\ChildRunnerSequencer.as: 82]
    at org.flexunit.internals.runners.statements::StatementSequencer/handleChildExecuteComplete( )[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\ statements\StatementSequencer.as:141]
    at org.flexunit.internals.runners.statements::StatementSequencer/evaluate()[E:\hudson\jobs\F lexUnit4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\statements\Stateme ntSequencer.as:109]
    at org.flexunit.runners::ParentRunner/run()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexU nit4\src\org\flexunit\runners\ParentRunner.as:483]
    at org.flexunit.runners::Suite/runChild()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexUni t4\src\org\flexunit\runners\Suite.as:151]
    at org.flexunit.internals.runners::ChildRunnerSequencer/executeStep()[E:\hudson\jobs\FlexUni t4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\ChildRunnerSequencer.as: 82]
    at org.flexunit.internals.runners.statements::StatementSequencer/handleChildExecuteComplete( )[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\ statements\StatementSequencer.as:141]
    at org.flexunit.internals.runners.statements::StatementSequencer/evaluate()[E:\hudson\jobs\F lexUnit4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\statements\Stateme ntSequencer.as:109]
    at org.flexunit.runners::ParentRunner/run()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexU nit4\src\org\flexunit\runners\ParentRunner.as:483]
    at org.flexunit.runners::Suite/runChild()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexUni t4\src\org\flexunit\runners\Suite.as:151]
    at org.flexunit.internals.runners::ChildRunnerSequencer/executeStep()[E:\hudson\jobs\FlexUni t4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\ChildRunnerSequencer.as: 82]
    at org.flexunit.internals.runners.statements::StatementSequencer/handleChildExecuteComplete( )[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\ statements\StatementSequencer.as:141]
    at org.flexunit.internals.runners.statements::StatementSequencer/evaluate()[E:\hudson\jobs\F lexUnit4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\statements\Stateme ntSequencer.as:109]
    at org.flexunit.runners::ParentRunner/run()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexU nit4\src\org\flexunit\runners\ParentRunner.as:483]
    at org.flexunit.runner::FlexUnitCore/beginRunnerExecution()[E:\hudson\jobs\FlexUnit4-Flex4.1 \workspace\FlexUnit4\src\org\flexunit\runner\FlexUnitCore.as:348]
    at org.flexunit.runner::FlexUnitCore/runRunner()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\ FlexUnit4\src\org\flexunit\runner\FlexUnitCore.as:307]
    at org.flexunit.runner::FlexUnitCore/runRequest()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace \FlexUnit4\src\org\flexunit\runner\FlexUnitCore.as:283]
    at org.flexunit.runner::FlexUnitCore/runClasses()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace \FlexUnit4\src\org\flexunit\runner\FlexUnitCore.as:269]
    at Function/http://adobe.com/AS3/2006/builtin::apply()
    at org.flexunit.runner::FlexUnitCore/run()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexUn it4\src\org\flexunit\runner\FlexUnitCore.as:245]
    at com.berog.proj_drum_machine.tests::TestMain()[E:\Actionscript\projects\DrumMachine\src\co m\berog\proj_drum_machine\tests\TestMain.as:18]
com.berog.proj_drum_machine.tests.matrix_test_suite.test_cases::MatrixConstructorTest.test One (1,1,,1,1,) E
Time: 0.013
There was 1 failure:
1 com.berog.proj_drum_machine.tests.matrix_test_suite.test_cases::MatrixConstructorTest.tes tOne (1,1,,1,1,) TypeError: Error #1009: Cannot access a property or method of a null object reference.
    at flex.lang.reflect::Constructor/newInstanceApply()[E:\hudson\jobs\FlexUnit4-Flex4.1\worksp ace\FlexUnit4\src\flex\lang\reflect\Constructor.as:253]
    at TestClassRunnerForParameters/createTest()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\Flex Unit4\src\org\flexunit\runners\Parameterized.as:455]
    at org.flexunit.runners::BlockFlexUnit4ClassRunner/methodBlock()[E:\hudson\jobs\FlexUnit4-Fl ex4.1\workspace\FlexUnit4\src\org\flexunit\runners\BlockFlexUnit4ClassRunner.as:314]
    at org.flexunit.runners::BlockFlexUnit4ClassRunner/runChild()[E:\hudson\jobs\FlexUnit4-Flex4 .1\workspace\FlexUnit4\src\org\flexunit\runners\BlockFlexUnit4ClassRunner.as:152]
    at org.flexunit.internals.runners::ChildRunnerSequencer/executeStep()[E:\hudson\jobs\FlexUni t4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\ChildRunnerSequencer.as: 82]
    at org.flexunit.internals.runners.statements::StatementSequencer/handleChildExecuteComplete( )[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\ statements\StatementSequencer.as:141]
    at org.flexunit.internals.runners.statements::StatementSequencer/evaluate()[E:\hudson\jobs\F lexUnit4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\statements\Stateme ntSequencer.as:109]
    at org.flexunit.runners::ParentRunner/run()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexU nit4\src\org\flexunit\runners\ParentRunner.as:483]
    at org.flexunit.runners::Parameterized/runChild()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace \FlexUnit4\src\org\flexunit\runners\Parameterized.as:273]
    at org.flexunit.internals.runners::ChildRunnerSequencer/executeStep()[E:\hudson\jobs\FlexUni t4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\ChildRunnerSequencer.as: 82]
    at org.flexunit.internals.runners.statements::StatementSequencer/handleChildExecuteComplete( )[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\ statements\StatementSequencer.as:141]
    at org.flexunit.internals.runners.statements::StatementSequencer/evaluate()[E:\hudson\jobs\F lexUnit4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\statements\Stateme ntSequencer.as:109]
    at org.flexunit.runners::ParentRunner/run()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexU nit4\src\org\flexunit\runners\ParentRunner.as:483]
    at org.flexunit.runners::Suite/runChild()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexUni t4\src\org\flexunit\runners\Suite.as:151]
    at org.flexunit.internals.runners::ChildRunnerSequencer/executeStep()[E:\hudson\jobs\FlexUni t4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\ChildRunnerSequencer.as: 82]
    at org.flexunit.internals.runners.statements::StatementSequencer/handleChildExecuteComplete( )[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\ statements\StatementSequencer.as:141]
    at org.flexunit.internals.runners.statements::StatementSequencer/evaluate()[E:\hudson\jobs\F lexUnit4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\statements\Stateme ntSequencer.as:109]
    at org.flexunit.runners::ParentRunner/run()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexU nit4\src\org\flexunit\runners\ParentRunner.as:483]
    at org.flexunit.runners::Suite/runChild()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexUni t4\src\org\flexunit\runners\Suite.as:151]
    at org.flexunit.internals.runners::ChildRunnerSequencer/executeStep()[E:\hudson\jobs\FlexUni t4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\ChildRunnerSequencer.as: 82]
    at org.flexunit.internals.runners.statements::StatementSequencer/handleChildExecuteComplete( )[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\ statements\StatementSequencer.as:141]
    at org.flexunit.internals.runners.statements::StatementSequencer/evaluate()[E:\hudson\jobs\F lexUnit4-Flex4.1\workspace\FlexUnit4\src\org\flexunit\internals\runners\statements\Stateme ntSequencer.as:109]
    at org.flexunit.runners::ParentRunner/run()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexU nit4\src\org\flexunit\runners\ParentRunner.as:483]
    at org.flexunit.runner::FlexUnitCore/beginRunnerExecution()[E:\hudson\jobs\FlexUnit4-Flex4.1 \workspace\FlexUnit4\src\org\flexunit\runner\FlexUnitCore.as:348]
    at org.flexunit.runner::FlexUnitCore/runRunner()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\ FlexUnit4\src\org\flexunit\runner\FlexUnitCore.as:307]
    at org.flexunit.runner::FlexUnitCore/runRequest()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace \FlexUnit4\src\org\flexunit\runner\FlexUnitCore.as:283]
    at org.flexunit.runner::FlexUnitCore/runClasses()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace \FlexUnit4\src\org\flexunit\runner\FlexUnitCore.as:269]
    at Function/http://adobe.com/AS3/2006/builtin::apply()
    at org.flexunit.runner::FlexUnitCore/run()[E:\hudson\jobs\FlexUnit4-Flex4.1\workspace\FlexUn it4\src\org\flexunit\runner\FlexUnitCore.as:245]
    at com.berog.proj_drum_machine.tests::TestMain()[E:\Actionscript\projects\DrumMachine\src\co m\berog\proj_drum_machine\tests\TestMain.as:18]
FAILURES!!! Tests run: 1, 1 Failures:
Can anyone help me?

Actually, I do see what's wrong.
When you call a method in the ActionScript universe, you can can usually do a function.apply() and pass it a variable number of args. Unfortunately, constructors are the one type of method where this doesn't work. You can't actually do an apply() so we have to fake it by having a map of static functions which each know how to apply a given number of arguments to the constructor. There is a check in the code that tests if the number of arguments you have exceeds what our static map knows how to apply.
It looks like that check should have thrown the error:
throw new ArgumentError("Sorry, we can't support constructors with more than " + argMap.length + " args out of the box... yes, its dumb, take a look at Constructor.as to modify on your own");
It didn't and I am guessing its because there is a border condition here. So, what happening is that we only support up to 5 arguments right now. That number is arbitrary. When it was written it just seemed like a reasonable number, however, this class was written before Parameterized testing was introduced.
Your three choices right now would be to use the TestNG style of Parameterized testing, which uses functions and not constructor args so it will not suffer this same fate, change the code and compile flexunit for yourself, or we could put a patched Constructor class in your project which fixes it. Longer term, I would like you to file a bug that we should increase the number to 10 or some other quasi-reasonable number. We will never be able to support an infinite number and we will always need to pick som arbitrary line in the sand. It just seems our line should be farther out.
Mike

Strange behaviour of Mouse-Events and Range size

Hello,
i found a strange behaviour of the Paragraph-Ranges in Word and can't explain this myself.
I have a add-in with a Custom Task Pane "UserControl1" and a button "Button1":
dropbox.com/s/zz2m0out5rvds0m/word.jpg
This is the Code for the user control:
public partial class UserControl1 : UserControl
public UserControl1()
InitializeComponent();
private void button1_Click(object sender, EventArgs e)
showRanges();
private void button1_MouseEnter(object sender, EventArgs e)
showRanges();
private void showRanges()
Debug.WriteLine("-------------------------------------");
foreach (Microsoft.Office.Interop.Word.Paragraph para in Globals.ThisAddIn.Application.ActiveDocument.Paragraphs)
Debug.WriteLine(para.Range.Start.ToString() + " - " + para.Range.End.ToString() + " | " + para.Range.Text.ToString());
The mouse-enter and mouse-click events of the button, prints out the ranges of the current paragraphs. In this example it outputs:
0 - 15 | The first line
15 - 32 | And a second one
Thats fine!
And now the strange stuff starts: When i change something in the first line in the document like "The VERY first line" and use the button again, i got different range outputs for mouse-enter and mouse-click events.
mouse-enter event (wrong ranges):
-------------------------------------0 - 143 | The VERY first line
143 - 160 | And a second one
mouse-click event (correct ranges):
0 - 20 | The VERY first line
20 - 37 | And a second one
Why the hell I get wrong Ranges when I use the mouse-enter event??? (When I enter the button with mouse a second time, it shows the correct ranges again).

Hi Torben,
What is Word version?
According to my test in Word 2013, the code you provided works fine for me.
I changed the code as below:
private void showRanges(string eventname)
Debug.WriteLine(eventname + "-------------------------------------");
foreach (Microsoft.Office.Interop.Word.Paragraph para in Globals.ThisAddIn.Application.ActiveDocument.Paragraphs)
Debug.WriteLine(para.Range.Start.ToString() + " - " + para.Range.End.ToString() + " | " + para.Range.Text.ToString());
private void button1_MouseEnter(object sender, EventArgs e)
showRanges("Button MouseEnter");
private void button1_Click(object sender, EventArgs e)
showRanges("Button Click");
The document:
The output:
The result is same.
There might be something else at the end of the first line.
If you change current document to .zip and find document.xml, what does it look like?
Here is my document.xml:
<w:body>
<w:p w:rsidR="001347D9" w:rsidRPr="001511D8" w:rsidRDefault="001511D8">
<w:pPr>
<w:rPr>
<w:sz w:val="72"/><w:szCs w:val="72"/>
</w:rPr>
</w:pPr>
<w:r w:rsidRPr="001511D8">
<w:rPr>
<w:sz w:val="72"/>
<w:szCs w:val="72"/>
</w:rPr>
<w:t>The VERY first line</w:t>
</w:r>
</w:p>
<w:p w:rsidR="001511D8" w:rsidRPr="001511D8" w:rsidRDefault="001511D8" w:rsidP="001511D8">
<w:pPr>
<w:rPr>
<w:sz w:val="72"/><w:szCs w:val="72"/>
</w:rPr>
</w:pPr>
<w:r w:rsidRPr="001511D8">
<w:rPr>
<w:sz w:val="72"/>
<w:szCs w:val="72"/>
</w:rPr>
<w:t>And a second one</w:t>
</w:r>
<w:bookmarkStart w:id="0" w:name="_GoBack"/>
<w:bookmarkEnd w:id="0"/>
</w:p>
<w:sectPr w:rsidR="001511D8" w:rsidRPr="001511D8">
<w:pgSz w:w="12240" w:h="15840"/>
<w:pgMar w:top="1440" w:right="1440" w:bottom="1440" w:left="1440" w:header="720" w:footer="720" w:gutter="0"/>
<w:cols w:space="720"/>
<w:docGrid w:linePitch="360"/>
</w:sectPr>
</w:body>
Is there anything different?
I have uploaded the sample document for your test, please check:
https://onedrive.live.com/redir?resid=AD77AE76D657E280!166&authkey=!AFfIP0eVTDQdMAc&ithint=file%2cdocx
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Strange Behaviour in Pentium IV machine

Hi all. I put this post in Java HotSpot forum, but that forum seems not to be as popular as this, so I've decided to post it here too.
I've been reading posts in this forum (and another in this site) for more than a week trying to find any idea that could help me with my "strange" problem, but with no success.
I've developed an application that manages some info stored in Mysql. My developing machine is a Pentium II (400MHz) with Red Hat 7.3 Valhalla installed. I use Mysql 3.23.49 and J/Connector (version 2.0.14) downloaded from Mysql site and JRE version 1.4.1.-b21.
The production machine is a Pentium IV (1.60 GHz) , with the same Red Hat version, the same JRE version and Mysql 3.23.51.
Well, in developing machine I am able to run up to 4 instances of the application witout crashing, only decreasing timing performance. But in production machine, I get and "strange" behaviour. Sometimes (1 of each 10 times) the application crashes (even the machine crashes sometimes), and I get Hot Spot log files (hs_err_pid####.log) like these
Type 1 ------------------------------------->
Unexpected Signal : 11 occurred at PC=0x403291D8
Function=skip_method_invoke_and_aux_frames__12vframeStream+0x58
Library=/usr/java/j2sdk1.4.1/jre/lib/i386/client/libjvm.so
Current Java thread:
at java.security.AccessController.doPrivileged(Native Method)
at sun.io.Converters.getDefaultEncodingName(Converters.java:66)
at java.lang.StringCoding.decode(StringCoding.java:226)
at java.lang.String.<init>(String.java:383)
at com.mysql.jdbc.Buffer.readLenString(Unknown Source)
at com.mysql.jdbc.MysqlIO.getResultSet(Unknown Source)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(Unknown Source)
at com.mysql.jdbc.MysqlIO.sqlQuery(Unknown Source)
at com.mysql.jdbc.Connection.execSQL(Unknown Source)
- locked <0x448f92d0> (a com.mysql.jdbc.jdbc2.IO)
at com.mysql.jdbc.Connection.execSQL(Unknown Source)
at com.mysql.jdbc.Statement.executeQuery(Unknown Source)
- locked <0x448f92d0> (a com.mysql.jdbc.jdbc2.IO)
at com.mysql.jdbc.jdbc2.Statement.executeQuery(Unknown Source)
at GeneraTablaDiasCerrados.<init>(GeneraTablaDiasCerrados.java:99)
at GeneraTablaDiasCerrados.main(GeneraTablaDiasCerrados.java:425)
Type 2------------------------------------------------>
Unexpected Signal : 11 occurred at PC=0x424AC980
Function=sqlQueryDirect (//or nextRow//) (compiled Java code) (or nextRow)
Library=(N/A)
Current Java thread: (//No output in this case//)
Type 3------------------------------------------------------>
An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : 11 occurred at PC=0x4212E3B0
Function=(null)+0x4212E3B0
Library=java
NOTE: We are unable to locate the function name symbol for the error
just occurred. Please refer to release documentation for possible
reason and solutions.
Current Java thread:
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:183)
at java.io.BufferedInputStream.read(BufferedInputStream.java:201)
- locked <0x44901b38> (a java.io.BufferedInputStream)
at com.mysql.jdbc.MysqlIO.readPacket(Unknown Source)
at com.mysql.jdbc.MysqlIO.sendCommand(Unknown Source)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(Unknown Source)
at com.mysql.jdbc.MysqlIO.sqlQuery(Unknown Source)
at com.mysql.jdbc.Connection.execSQL(Unknown Source)
- locked <0x448f92e8> (a com.mysql.jdbc.jdbc2.IO)
at com.mysql.jdbc.Connection.execSQL(Unknown Source)
at com.mysql.jdbc.Statement.executeQuery(Unknown Source)
- locked <0x448f92e8> (a com.mysql.jdbc.jdbc2.IO)
at com.mysql.jdbc.jdbc2.Statement.executeQuery(Unknown Source)
at GeneraTablaDiasCerrados.<init>(GeneraTablaDiasCerrados.java:99)
at GeneraTablaDiasCerrados.main(GeneraTablaDiasCerrados.java:425)
---------------------------------------------->
After this text, I get Dynamic libraries info.
I can't figure out what's happening. I have read in these forums that Signal 11 is about Segmentation Fault, or JVM trying to write in forbidden positions.
Later I read that JVM could crash on Pentium IV processors under certain circumstances, but isn't those issues supossed to be fixed in version 1.4.1?
The last trail I'm following is J/Connector, because in error messages type 2 and 3 are involved mysql classes. But it doesn't explain the fact that in developing machine everything runs properly.
I also consider the posibility of corrupted files in hard disk, but all of them seem to be OK (sizes in production machine matches those in developing machine).
Can anyone help me showing me another trail to follow?
Thanks to all in advance.
Note: Please, forgive my English and the length of this post.

Hi OMcGovern. Thanks for your answer.
I've a couple of theorys,
1) The second last stack trace call is for encoding.
The basic US version of the JRE only supports about
ut 8 basic encoding schemes. You could try running it
with the international version of the JRE.
( To check version : if i18n.jar is in JRE's lib
directory, it's the international version )I've checked it and I don't have the international version (not in production machine and not in developing machine). I downloaded the "Linux RPM in self-extracting file" version, (in both cases) and there is no choice for downloading any "international" version or something like this. I'll search for it in sun site. It seems to be a good guess to follow, because production machine is allocated in the USA, and developing machine is here in Spain.
2) Running java -Xint ( interpreted mode ), might
rule out any hotspot errors. It could give you more
debugging information too.
Worth a shot.I'm not running with that option.
3) It doesn't quite make sense that the last stack
trace entry is a
security call, in an application. Are you doing
ng anything strange ?
Eg. writing your own classloaders or the like ?No I'm not doing. Maybe a problem with J/Connector, but my deep doubt and what's driving me crazy is : Why is runnig all ok (I was really proud of this fact because this is my first "big" app in Java) in my developing machine and crashing in production machine?
I'll look for i18n.jar, will install it and let's see what happens..
Thanks again.

APEX Listener and EPG - strange behaviour

Hi
For some years, I've used EPG for APEX but have struggled with performance particularly as I can have up to 150 student developers using at any one time.
I do a fair amount of work using ORDImage and have successfully developed APEX applications to upload image files and display full-size and thumbnail images.
After upgrading to APEX 4.1 (from 4.0), I decided to install APEX Listener standalone.
Before I did so I checked that my applications still worked in 4.1 and they did.
However, just installing APEX Listener but not configuring it (yet) has meant that my image display in a report using a procedure based on wpg_docload.download_file( l_ordimage_image.source.localData ) no longer works in EPG - the images are not displayed.
Configuring APEX Listener and running the same application through that DOES display the images.
So this part of the application works under APEX Listener but not under EPG.
My application also allows users to upload images from APEX_APPLICATION_FILES using standard code. Under APEX Listener after uploading, I'm left with a blank page with a wwv_flow.accept URL although the image does indeed upload. Under EPG it works as expected and I get a success confirmation.
So this part of the application works under EPG but not under APEX Listener.
Has anyone else come across different behaviour depending on the mode of connection?
Thanks
Brian
[Oracle EE 11gR2, Windows Server 2008R2, APEX 4.1, APEX Listener 1.1.3]

Hi Brian,
it sounds like you have both EPG and APEX Listener running on the same machine, so your problem might result from a port conflict. Note that both services use TCP port 8080 as default.
At least a port conflict would explain the strange behaviour in your case, some things working on one web server and some on the other.
Some parts of your initial post hint to that direction, e.g.
However, just installing APEX Listener but not configuring it (yet) has meant that my image display in a report using a procedure based on >wpg_docload.download_file( l_ordimage_image.source.localData ) no longer works in EPG - the images are not displayed.... because the APEX Listener only interfere with the EPG if it is at least running on the same machine as your database and furthermore, if it is unconfigured in terms of ist database connection, a port conflict might be the only way it could cause anything like that.
However, if you are sure that's not the issue, please check if you see any error in the APEX Listener's log for the following action you performed:
My application also allows users to upload images from APEX_APPLICATION_FILES using standard code. Under APEX Listener after uploading, I'm left with a blank >page with a wwv_flow.accept URL although the image does indeed uploadIf you actually see just a blank screen, something very bad must have happened and you should see some kind of stack trace there.
For further investigations, if necessary, it would be helpful to know how you deployed or started your APEX Listener and which JDK version you use.
For the moment, I still think the port conflict is my best guess.
You could avoid it by either changing the port for EPG (I'd not recommend that if you have other users still using it) or by changing the port for your APEX Listener.
-Udo

Strange behaviour of Runtime.getRuntime().exec(command)

hello guys,
i wrote a program which executes some commands in commandline (actually tried multiple stuff.)
what did i try?
open "cmd.exe" manually (administrator)
type "echo %PROCESSOR_ARCHITECTURE%" and hit enter, which returns me
"AMD64"
type "java -version" and hit enter, which returns me:
"java version "1.6.0_10-beta"
Java(TM) SE Runtime Environment (build 1.6.0_10-beta-b25)
Java HotSpot(TM) 64-Bit Server VM (build 11.0-b12, mixed mode)"
type "reg query "HKLM\SOFTWARE\7-zip"" returns me:
HKEY_LOCAL_MACHINE\SOFTWARE\7-zip
Path REG_SZ C:\Program Files\7-Zip\
i wrote two functions to execute an command
1) simply calls exec and reads errin and stdout from the process started:
public static String execute(String command) {
 String result = "";
 try {
 // Execute a command
 Process child = Runtime.getRuntime().exec(command);
 // Read from an input stream
 InputStream in = child.getInputStream();
 int c;
 while ((c = in.read()) != -1) {
 result += ((char) c);
 in.close();
 in = child.getErrorStream();
 while ((c = in.read()) != -1) {
 result += ((char) c);
 in.close();
 } catch (IOException e) {
 return result;
 }the second function allows me to send multiple commands to the cmd
public static String exec(String[] commands) {
 String line;
 String result = "";
 OutputStream stdin = null;
 InputStream stderr = null;
 InputStream stdout = null;
 // launch EXE and grab stdin/stdout and stderr
 try {
 Process process;
 process = Runtime.getRuntime().exec("cmd.exe");
 stdin = process.getOutputStream();
 stderr = process.getErrorStream();
 stdout = process.getInputStream();
 // "write" the parms into stdin
 for (int i = 0; i < commands.length; i++) {
 line = commands[i] + "\n";
 stdin.write(line.getBytes());
 stdin.flush();
 stdin.close();
 // clean up if any output in stdout
 BufferedReader brCleanUp = new BufferedReader(
 new InputStreamReader(stdout));
 while ((line = brCleanUp.readLine()) != null) {
 result += line + "\n";
 brCleanUp.close();
 // clean up if any output in stderr
 brCleanUp = new BufferedReader(new InputStreamReader(stderr));
 while ((line = brCleanUp.readLine()) != null) {
 result += "ERR: " + line + "\n";
 brCleanUp.close();
 } catch (IOException e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
 return result;
 }so i try to execute the commands from above (yes, i am using \\ and \" in java)
(1) "echo %PROCESSOR_ARCHITECTURE%"
(2) "java -version"
(3) "reg query "HKLM\SOFTWARE\7-zip""
the first function returns me (note that ALL results are different from the stuff above!):
(1) "" <-- empty ?!
(2) java version "1.6.0_11"
Java(TM) SE Runtime Environment (build 1.6.0_11-b03)
Java HotSpot(TM) Client VM (build 11.0-b16, mixed mode, sharing)
(3) ERROR: The system was unable to find the specified registry key or value.
the second function returns me:
(1) x86 <-- huh? i have AMD64
(2) java version "1.6.0_11"
Java(TM) SE Runtime Environment (build 1.6.0_11-b03)
Java HotSpot(TM) Client VM (build 11.0-b16, mixed mode, sharing)
(3) ERROR: The system was unable to find the specified registry key or value.
horray! in this version the java version is correct! processor architecture is not empty but totally incorrect and the reg query is still err.
any help is wellcome
note: i only put stuff here, which returns me strange behaviour, most things are working correct with my functions (using the Runtime.getRuntime().exec(command); code)
note2: "reg query "HKLM\HARDWARE\DESCRIPTION\System\CentralProcessor\0" /t REG_SZ" IS working, so why are "some" queries result in ERR, while they are working if typed by hand in cmd.exe?

ok, i exported a jar file and execute it from cmd:
java -jar myjar.jar
now the output is:
(1) "" if called by version 1, possible to retrieve by version 2 (no clue why!)
(2) "java version "1.6.0_10-beta"
Java(TM) SE Runtime Environment (build 1.6.0_10-beta-b25)
Java HotSpot(TM) 64-Bit Server VM (build 11.0-b12, mixed mode)"
(3) C:\Program Files\7-Zip\
so all three problems are gone! (but its a hard way, as i need both functions and parse a lot of text... :/ )
thanks for the tip, that eclipse changes variables (i really did not knew this one...)

Strange behaviour: two servers on the same port

Hi!
I hope this is the right section for this post. I need help about a strange behaviour involving a ServerSocket.
For my thesis I need to write a program that receives data from a pre-existing DSMS client, filters them and then sends them to a pre-existing DSMS server. And here is my problem: if I try to create a ServerSocket on the same port of the DSMS server, my program throws no exception, and the servers seem running on the same port. This is a behaviour that I'd like to avoid, but I cannot understand what the problem is. Can you help me?
The source code of the DSMS server can be found here (it's written in C++): http://infolab.stanford.edu/stream/code/stream-0.6.0.tar.gz
The source code of my server class, instead, is this one:
import java.io.*;
import java.net.*;
public class ThreadGenerator {
     private ServerSocket server;
     public void connect(String servPort, String cHost, String cPort) {
          try {
               server = new ServerSocket(servPort);
               System.out.println("SERVER running on port "+servPort);
          } catch (BindException e) {
               System.out.println("Address already in use!");
          } catch (Exception e) {
               System.err.println(e);
          try {
               while(true){
                    Socket client = server.accept();
                    StreamThread T = new StreamThread(client, cHost, cPort);
                    T.start();
          } catch (EOFException e) {
               System.out.println("Server closed connection!");
          } catch (Exception e) {
               System.err.println(e);
}I'm programming on Mac OSX Tiger, with Java 1.5.0.
Thanks in advance for your help.

The problem is still happening to me, I tried in this very moment. The code I'm using is the one I posted, and the second server is the one that I linked. I don't think there's anything else to add.
If you're sure that the problem is not in my code, then it means that it is in the linked server, which partially solves the problem. But I'd like to know, if it's possibile, if there is any other way to check if the port is already in use.

Windows 8.1 Enterprise Evaluation- Strange behaviour of network adapter

Hello there are discussions and questions around this community about network adapter dropping connection while system is running. But I have found unique problem with my network adapter driver.
I have tried to state my problem as clearly as possible. Please ask if any detail is required.
My network status shows no access on following occasions:
1. On alternate system wakeups.
eg:
a. System boots up
Internet accessible
no problem
b. I put system to sleep(first time) and wake it up
No access to internet !!!
When I check in network and sharing center not even adapter shows in disabled status.(See video from the link given below).
c. Without restarting system or without installing network adapter again, I put system to sleep again and wake it up (2nd time).
Internet accessible
d. I put system to sleep for (3rd time) and wakes it up.
No access to internet!!
If I put system to sleep again and wake it up definitly I get network access.
2. If I switch off the modem before windows shutdown completely or in the process of shutdown, next time when I boot system, even though the modem is switched on before booting the system, No internet access tooltip will be shown on network
sysbol.
Another strange behaviour is on no internet access status, I start installing adapter, and it loads required files and prompt me to click "next" and "click" install.
But the thing is before I go to "next" button, I will get network access as shown in this link
http://youtu.be/sPlXVEiYBeo. Ignore virtualbox adapter. Same behaviour was there when there is no vbox adapter. Same was happening in Windows 8 Pro, but not in windows 7, so that there is no H/W problem I think.
Any idea on how to fix this or any alternate solution ?

Hi,
Firstly, access your network adapter official website to get the proper driver applied to your system.
Then going to Control Panel > Device Manager, right click your adapter > Properties. Under the Power Management tab, make sure "Allow the computer to turn off this device to save power" checkbox unchecked.
If it still persists, try to disable "fast startup" as below steps:
1.In Control Panel, open the Power Options item.
2.Click the Choose what the power buttons do link.
3.Clear the Turn on fast startup (recommended) check box.
4.Click Save Settings.
Karen Hu
TechNet Community Support

Strange Behaviour in File class

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