Re: [javaCompiler-users] Error on reading data

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ext...@no... wrote:
> Hello Marco,
> 
> I use the 0.8 version of JavaCompiler. I tried to minimize the example
> that leads to exception. Starting "ReadLines.exe fftshorttmp2.dat 16"
> worked but "ReadLines.exe fftshorttmp2.dat 17" not any more. But after I
> copied the files from my network drive to C: the program worked without
> exceptions!! However it didn't work on C: with another .dat and the
> number of lines about 2000 (as described in my first email).

Can you send me the source code and the .dat? Please minimize the source 
code. I can't help you if I can't reproduce the problem...

Marco

> One aspect
> which could probably explain the first test is that the network
> connection from my pc is slowly. But why doesn't it work from C: with
> greater line number then? I use Java 1.4 and Windows XP SP2. If I start
> the ReadLines from Eclipse (under Linux) no problems occur. It seems for
> me that Windows may read the data too slow on my pc, but then I would
> expect not "NullPointerException" but "OutOfTime" or anything else..
> Maybe you can try to start ReadLines.exe once with the attached file and
> tell me if it works fine on your system?
> 
> Greetings
> Igor
> 
>> -----Original Message-----
>> From: jav...@li... 
>> [mailto:jav...@li...] On 
>> Behalf Of ext Marco Trudel
>> Sent: Friday, 25. August 2006 17:09
>> To: A mailing list for general questions and discussions.
>> Subject: Re: [javaCompiler-users] Error on reading data
>>
>> Hello Igor
>>
>> It works for me with JavaCompiler 0.8 on Windows with a 
>> textfile that has 3780 times the line "12.34 56.78".
>> I uncomented the System.out.printlns and tried with 1000, 2000 
>> and 3000.
>>
>> From your stacktrace, I assume you use an older version of 
>> JavaCompiler. Please update and try again. If you've the 
>> latest version and it (still) fails, please provide 
>> informations about your JavaCompiler settings, the OS and the textfile.
>> It would be great if you could minimize the example that leads 
>> to the exception...
>>
>>
>> regards
>> Marco
>>
>>
>> ext...@no... wrote:
>>> Hello,
>>>
>>> I have a strange error using a program compiled with Java 
>> Compiler. My 
>>> code is quite easy and it should only read some data from a 
>> text file 
>>> which has two numbers on every line. The java code is:
>>>
>>> -------------------
>>> import java.io.FileReader;
>>> import java.io.BufferedReader;
>>> import java.util.StringTokenizer;
>>>
>>> public class ReadLines {
>>>
>>>         public static void main(String[] args) {
>>>                 double [] realInput = new double[new 
>>> Integer(args[1]).intValue()];
>>>                 double [] imaginaryInput = new double[new 
>>> Integer(args[1]).intValue()];
>>>                
>>>                 // Read the file
>>>                 try {
>>>                         FileReader fr = new FileReader(args[0]);
>>>                         BufferedReader bf = new BufferedReader(fr);
>>>        
>>>                 // Read the lines
>>>                 for(int i=0;i<new Integer(args[1]).intValue();i++) {
>>>                         // (1) System.out.println("i: " + i);
>>>                         String value = new String();
>>>                         value = bf.readLine();
>>>                         StringTokenizer st = new 
>> StringTokenizer(value);
>>>                         st.nextToken();
>>>                         // (2) System.out.println("Reading 
>> the value..");
>>>                         realInput[i] = new 
>>> Double(st.nextToken()).doubleValue();
>>>                         // (3) System.out.println("Value set: " + 
>>> realInput[i]);
>>>                         imaginaryInput[i] = new 
>> Double(0).doubleValue();
>>>                         // (4) System.out.println("Zero set..");
>>>                 }
>>>                 bf.close();
>>>                 fr.close();
>>>                 } catch(Exception e) {
>>>                         e.printStackTrace();
>>>                 }
>>>         }
>>> }
>>> -------------------
>>> The program can be started with e.g. "ReadLines.exe data.txt 2000" 
>>> which means "read 2000 lines from data.txt"
>>> If I start program from Eclipse, or jar, it works.
>>> If I start exe made by JavaCompiler, I receive error message 
>>> "java.lang.NullPointerException <<No stacktrace 
>> available>>", but only 
>>> if the number of lines is above about 2000. For smaller line numbers 
>>> it works fine.
>>>
>>> BUT: if I uncomment the System.out.println - lines (which 
>> are numbered 
>>> in code as (1)-(4)), I receive no error messages and the 
>> program works 
>>> perfectly for line numbers above 2000!!
>>>
>>> Can you please help me and suggest the solution to this problem?
>>>
>>> Sincerely yours,
>>> Igor Vatolkin
>>>
>>> PS I'm on vacation from the next Monday so maybe I will read the
>>> answer(s) not until the mid of September!
>>>
>>>
>>>
>> ----------------------------------------------------------------------
>>> --
>>>
>>>
>> ----------------------------------------------------------------------
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>>>
>> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=1216
>>> 42
>>>
>>>
>>>
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>> Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
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