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.

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Firstly, Please understand that third party software has its own way to program codes and call corresponding system resources when installing and running.
You may use the hotfix below to check the issue:
FIX: "Faulting module name: clr.dll" error message when you run a Microsoft .NET Framework 4-based application
http://support.microsoft.com/kb/2640103/en-us
clr.dll error usually occurs when a program crashes and is really generic.
Hope it helps.
Regards,
Blair Deng
Blair Deng
TechNet Community Support

P43-Neo Strange behaviour with LG IDE/PATA DVD Burner attached

Hello, I have spent several hours installing an OS on my new MSI P43 Neo-F v1.0 Bios v1.9:
- 1x 1000 GB SATA HDD Seagate
- 1x DVD Burner LG IDE/PATA HL-DT-ST_DVDRAM_GSA-H42N Firmware RL01
- 4GB OCZ Gold
- MSI RX2600 Graphic Card
- Bequit! Power Supply 350 Watt
Trying to boot from the DVD Drive works, but either XP not Vista could make it to the setup screen.
- Vista stops after some seconds with an unexpected I/O error.
- XP Setup just crashes and dumps register values.
Boot from USB memory stick (DVD still attached but no DVD in) lets you enter the setup and select the HDD as intall target. But, if you click "next" it gives you a message that Vista could not verify if a suitable system disk is installed.
I could only solve the problem by completely disconnecting the GSA-H42N DVD Burner from the IDE/PATA connector.
I could install Vista now from USB.
After Vista was installed I reconnected the GSA-H42N DVD Burner to the IDE/PATA connector and could install software etc.
Anyone being able to comment on this very strange behaviour ?
In conjunction with other boards I did not encounter issues like this with that LG DVD Burner.
It has shown that with the MSI P43 Neo F the LG GSA-H42N is unable to boot any CD/DVD. Linux for example stops booting with image crc check error.
I have now swapped the LG GSA-H42N with an GSA-H10N from my other machine and it can boot any CD/DVD from it - everything runs fine.
The LG GSA-H42N now runs with my other machine (with an Asrock P43 DE motherboard) also without any problems it can boot any CD/DVD from it
Thank you,
CPU

Please post your Full System Specs with PSU specs amps.
>>Posting Guide<<

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...)

Report S_ALR_87013542 strange behaviour

Hi All,
Report S_ALR_87013542 - Actual/Comm/Total/Plan in COAr crcy - is showing up cross signs in some of the columns.When the cross sign (like any other column value) is clicked the line item detail are sown correctly.
Has anybody encountered this kind of issue before ?
I googled and searched various forums but all in vain.
Please provide inputs to correct this strange behaviour of Report S_ALR_87013542. Thanks!
Regards
Dev

Hello Dev,
Did you execute report RKACOR04 for the affected object number and checked if this still happens ?
Suresh Jayanthi.

View Master mode strange behaviour with jpg files

Hy all,
I'm using Aperture, and I'm tweakin a lot the SW to discover all secrets ....
I'm really concerned about a strange behaviour of the SW in view mode.
If I open a jpg file, do not apply ANY modification, and apply the "show master" command (pressing M), there's a subtle behaviour :
*the images get sharper !!!!*
It behaves as if an "edge sharpening" was applied !!!!!!
With _RAW files this thing doesn't happen at all._
Even stranger, if I zoom to full definition (by pressing Z), and toggle between normal view and "show master" view, the immage remains the same !
The effect is not so evident with all images, but sometimes it is !!
Anyway, I expect not to have such kind of things with a professional SW.
With professional cameras and good quality files it's really annoying not to beeing sure what's the REAL content of the jpg image.
Has anyone noted this thing ? Is there a reasonable explanation ?
The only one I tried to figure out is the following : may be Aperture applies some kind of resampling algorithm with jpg files (bicubic, bilinear, etc).
May be this resampling is not applied with 100% magnification, as weel as with raw files.
But it's only my guessing. Now, I'm tweaking other viewers and other SW to understand what's the real jpg image stored in the file : the blurer one form normal view or the sharper one with "show master" mode.
I stress once again : of course, the jpg file I'm talking about have no settings at all, just imported and toggled with M button.
Thanks in advance.
Regards,
Enzo

Hy,
I'm afraid I'm not been clear.
The problem is this :
1) jpg image opened in normal view mode, no zoom, (no quick preview, of course) : image with a certain amount of blour
2) jpg image opened in show master mode, no zoom, (no quick previre, of course) : image SHARPER with respect with the previous.
No edit applied from import, so "show master" command shouln't apply any change in rendering, should it ?
The only thing I said on 100% view is that such difference (between normal mode e show mastermode) is not present with 100% magnification.
That was the issue.
Enzo

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.

Strange Behaviour in Pentium IV machine

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