Problems running Runtime.getRuntime().exec(path)

I am trying to run the following command, so that i can execute a file on DOS
Runtime.getRuntime().exec(path);
where
path = cmd /c C:\Dokumente und Einstellungen\Administrator\Lokale Einstellungen\Temp\muexec2562.bat
(btw i think /c is german notoation used for -c). all i get is the DOS screen briefly popping up on screen and then disappearing. The .bat files contains commands to copy files.
Thanks

Replace your path with
path = C:\Dokumente und Einstellungen\Administrator\Lokale Einstellungen\Temp\muexec2562.bat

Similar Messages

Problem in Runtime.getRuntime().exec

Hi,
I am trying to start the tomcat server through a java application.Before starting the server,i need to run a batch file for setting up some classpaths.I am able to run the batch file and start the server,but its opening the 2 windows.How do i suppress it?
One more problem is how do i stop the server?
Code is:
import java.io.*;
public class Test
public static void main(String args[]) {
try {
     Process p = Runtime.getRuntime().exec("cmd /c start C:\\soap.bat");
     p.destroy();
     Process p1 = Runtime.getRuntime().exec("cmd /c start C:\\jakarta-tomcat-3.2.1\\bin\\startup");
     //p.waitFor();
     Thread.sleep(10000);
     p1.destroy();
BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(p.getOutputStream()));
bw.write("1");
bw.flush();
String line;
while ((line = br.readLine()) != null) {
System.out.println(line);
br.close();
bw.close();
System.out.println(p.exitValue());
catch(Exception e) {
System.out.println(e);
I need the help as early as possible.
pls cc reply to:[email protected]
Thanks
Anitha

Soln. to your first prob:
1) To have the other DOS window closed, click on the extreme left-top corner of that window. In the menu that drops down ,select properties.In the properties window make sure the 'close on Exit' check Box is checked. Apply the changes.
2) To stop the server u need to call the shutdown.bat file in the tomcat\bin dir. If u want to do this thru java then call the shutdown.bat file from your Runtime.exec() method. Same as u did for the startup file
Hope this helps.

SWT window disappear while running Runtime.getRuntime().exec()

Hello,
I have create a SWT application. I am executing the folloiwng code from my SWT application.
Process process = Runtime.getRuntime().exec(param);
BufferedReader in = new BufferedReader(new InputStreamReader(process.getInputStream()));
String line = null;
while ((line = in.readLine()) != null) {
During execution of the above code when click on other icon of the window task bar and click back on SWT window Icon, The windows open but it does not show annything until the code execution finish. any help would be apprecited.

This isn't an SWT forum. In the future, please post such questions on a forum specifically for SWT issues.
But to answer your question, there's a 99.9% chance this is because you're launching the process on SWT's UI thread. Similar to performing long-running tasks on Swing's EDT, this is a no-no. The SWT UI won't be able to repaint itself until after your process has finished. To remedy this, launch your process in a separate Thread.

Problems with Runtime.getRuntime().exec in Windows 2000

Hello,
I have a batch file that I want to run from my java application. My code is the following:
try {
Runtime.getRuntime().exec("cmd.exe /c C:\\temp\\shortcut.bat");
} catch (Exception e) {
System.out.println(e.getMessage());
}I was developing on windows XP and it worked just fine. But then I tested it on windows 2000 and it didn't work. The batch file is okay, because if I run the batch file myself it works just fine, even from the command line. I get no errors what so ever, it just doesn't do anything...
Can somebody help me with this?
thx in advance

thank you all so much
I figured it out... It was a combination of two things that went wrong.
First one: in my batch file I had:
cd C:\tempwhich worsk fine in XP, but in it doesn't in 2000. In 2000 it has to be:
C:
cd \temp But just changing that wasn't enough, I also needed the "start"
Now it works just fine on 2000, hopefully it'll still work on xp as well.
THX!

Problem with Runtime.getRuntime().exec

Hi ,
i'm using jBuilderX and windows 2000 server . My problem is that i can't
find why
in my code it doesn't work this:
import java.lang.*;
String command = new String("c:\\testd\\testf.bat"); // testf.bat -
batch file
Runtime.getRuntime().exec(command); // it doesn't
have any effect
Thanks in advance,

What's it supposed to do?
I can definitely help you on this 1, but I'd really like to see your streamoutputs. You can get these from the Process object that is created, but you'll need to add some threaded listeners to get the data.
Is this possible?

Runtime.getRuntime().exec problems running with applet

Hi,
I am running the command
Process prc = Runtime.getRuntime().exec("net config workstation");
InputStream in = prc.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(in));
line = br.readLine();
When running from an application(/stand alone program) on Win-NT it runs fine. But when i include the same code in an Applet and try to run.
It doesnt return any thing. I see the DOS-prompt open and close and i can also see the required output generated on the DOS prompt, but the program doesnt return any results(null) in the InputStream.
I even tried to get the ErrorStream incase it is writing some error but it doesnt write anything.
I tried running some other commands like (cmd.exe /c set) which were able to run on both application as well as from the applet.
I have tried giving the "net config workstation" command in all flavors
     String[] cmd = new String[3];
     cmd[0] = "cmd.exe";
     cmd[1] = "/C";
     cmd[2] = "net config workstation";
And
     String[] cmd = new String[3];
     cmd[0] = "net.exe";
     cmd[1] = "config";
     cmd[2] = "workstation";
AND
     String[] cmd = new String[5];
     cmd[0] = "cmd.exe";
     cmd[1] = "/C";
     cmd[2] = "net.exe";
     cmd[3] = "config";
     cmd[4] = "workstation";
AND giing the full path as
C:\winnt\system32\net.exe config workstation
But still it doesnt work.
Can anybody please suggest what is the problem.Its Urgent.....
Well the purpose of this is to get users system properties like the Logon Domain , server name etc.... or else can anybody suggest a better way to obtain this information.....
Your reply will be highly appriciated...
Thanks in Advance......

Thanks for atleast replying.....
Sorry, i forgot to mention.... yes OfCourse, i am using an Signed Applet..... That how i was able to run the "set" command.....
I have made sure it is not sucha simple problem..... the thing is as i have mentioned i know that even "net config workstation" works..... cause i see the output on the DOS prompt,.... but this output is not returned to the Applet in the getInputStream()/getErrorStream().....
Can anybody please suggest a way to get this output..... OR is there some other way to get the machine's domain, server name etc info from the machine....?????
Thanks in Advance...!!

Running curl command from a java program using Runtime.getRuntime.exec

for some reason my curl command does not run when I run it from within my java program and errors out with "https protocol not supported". This same curl command however runs fine from any directory on my red hat linux system.
To debug the problem, I printed my curl command from the java program before calling Runtime.getRuntime.exec command and then used this o/p to run from the command line and it runs fine.
I am not using libcurl or anything else, I am running a simple curl command as a command line utility from inside a Java program.
Any ideas on why this might be happening?

thanks a lot for your response. The reason why I am using curl is because I need to use certificates and keys to gain access to the internal server. So I use curl "<url> --cert <path to the certificate>" --key "<path to the key>". If you don't mid could you please tell me which version of curl you are using.
I am using 7.15 in my system.
Below is the code which errors out.
public int execCurlCmd(String command)
          String s = null;
          try {
              // run the Unix "ps -ef" command
                 Process p = Runtime.getRuntime().exec(command);
                 BufferedReader stdInput = new BufferedReader(new
                      InputStreamReader(p.getInputStream()));
                 BufferedReader stdError = new BufferedReader(new
                      InputStreamReader(p.getErrorStream()));
                 // read the output from the command
                 System.out.println("Here is the standard output of the command:\n");
                 while ((s = stdInput.readLine()) != null) {
                     System.out.println(s);
                 // read any errors from the attempted command
                 System.out.println("Here is the standard error of the command (if any):\n");
                 while ((s = stdError.readLine()) != null) {
                     System.out.println(s);
                 return(0);
             catch (IOException e) {
                 System.out.println("exception happened - here's what I know: ");
                 e.printStackTrace();
                 return(-1);
     }

Runtime.getRuntime().exec problems

i am trying to run files from my java application, i use the following command
Runtime.getRuntime().exec("cmd /c start " + filePath);but it seems that it cant handle file path with spaces, like
C:\Documents and Settings\Administrator\My Documents\My Web\Untitled-3.fla
it works well with path like this
C:\Downloads\1.rar
am i right? and how to solve this problem? thanks

        final String[] command =
            "cmd.exe",
            "/C",
            "start \"" + filename + "\"",
        final Process p = Runtime.getRuntime().exec(command);this method can only trigger files in the same folder as the java application, isnt it?

Runtime.getRuntime().exec(...) problems and exit codes

Hi,
I am trying to launch an application 4 times with different arguments from a Java app. I have tried doing it sequentially and in four different threads, but the results are the same: sometimes the 4 of them are properly launched, sometimes (the most of the times) only 3 are launched and sometimes only 2. I have tried with cmd and cmdarray[] as parameters for exec but the results are the same.
This is one of the four threads I use:
Runnable r1 = new Runnable(){
                    public void run(){
                         String ecgCommand = "./flute -S -m:" + Config.ECGS_FLUTE_IP + " -p:" + Config.ECGS_FLUTE_PORT + " -F:" + Config.ECGS + " -r:" + Config.ECGS_FLUTE_RATE + " -C";
                         System.out.println(ecgCommand);
                         InputStream ecgsStream = null;
                         InputStreamReader isr = null;
                         BufferedReader br = null;
                         try{
                              ecgsProcess = Runtime.getRuntime().exec(ecgCommand, null, new File(Config.HOME_PATH + Config.FLUTE_PATH));
                              String line;
                              ecgsStream = ecgsProcess.getInputStream();
                              isr = new InputStreamReader(ecgsStream);
                              br = new BufferedReader(isr);
                              StyledDocument styleDoc = mm.ecgFluteMessages.getStyledDocument();
                              Style def = StyleContext.getDefaultStyleContext().getStyle(StyleContext.DEFAULT_STYLE);
                              while((line = br.readLine()) != null && running){
                                   if(styleDoc.getLength() > 25000)     mm.ecgFluteMessages.setText("");
                                   styleDoc.insertString(styleDoc.getLength(), line+ "\n", def);
                                   mm.ecgFluteMessages.setCaretPosition(mm.ecgFluteMessages.getDocument().getLength());
                              System.out.println(ecgsProcess.waitFor());
                         }catch(Exception e){
                              try {
                                   br.close();
                                   isr.close();
                                   ecgsStream.close();
                              } catch (Exception e1) {
                                   e.printStackTrace();
               new Thread(r1).start();Adding a Thread.sleep between runnables doesn't have any effect.
In addition, those processes that are not properly launched return an exit value of 255. I have searched for its meaning but I have found nothing. Could anybody tell me where can I find a list of the JVM exit codes in order to guess what is happening?
Can anybody help me with this issue? Help is much appreciated.
Thanks a lot

I have been looking for it but it seems it has not any exit code list or any documentation regarding this. Anyway, I think 255 is a JVM error code (the last one, errors are numbered in modulo 256) which means that the error has nothing to do with JVM but with the application execution (flute in my case).
I have added a prompt for the errorStream and I have this message for the 255 exited programs:
not well-formed (invalid token) at line 15+
And the four commands are like this:
*./flute -S -m:239.255.255.253 -p:60102 -F:./ecgs -r:150 -C*
*./flute -S -m:239.255.255.252 -p:60103 -F:./ads -r:150 -C*
*./flute -S -m:239.255.255.251 -p:60104 -F:./pushvod -r:50 -C*
*./flute -S -m:239.255.255.250 -p:60105 -F:./banners -r:150 -C*
So, as the process is sometimes initialized properly and others it is not, it seems that there is a problem with the tokenizing of the command not happening always. As I have tried it with a single command line and with an array of command strings (the first for "./flute" and the followings for each argument) with the same results I can't understand why is this problem happening sometimes. Happening always would help me in giving a clue but that's not the case.
Any idea? Thanks a lot.
Edited by: dulceangustia on Apr 3, 2008 3:41 AM

Runtime.getRuntime().exec portability problem

Hello everyone!
I've got a problem with running external application (in my case it's pdfLaTeX). The code looks as follows:
System.out.println(AppConfig.getExeFile() + " " + params); // AppConfig.getExeFile() is a static function that outputs a String object.
Process p = Runtime.getRuntime().exec(AppConfig.getExeFile() + " " + params); // params is a String object as well.
p.waitFor();
// ...On Linux everything works great. System.out.println() outputs the following line:
/opt/texlive/bin/pdflatex -halt-on-error -output-directory /tmp /tmp/tabular.texThe application executes successfully.
However, I can't get my program to run on Windows. In this case, the generated command looks as follows:
"C:\Program Files\LaTeX\MiKTeX 2.7\miktex\bin\pdflatex.exe" -halt-on-error -output-directory C:\DOCUME~1\Roman\USTAWI~1\Temp C:\DOCUME~1\Roman\USTAWI~1\Temp\tabular.texAfter displaying this line, my application freezes. The child process (pdflatex.exe) is frozen as well. Then I kill both processes.
Here's the PdfLaTeX's log file after failure:
{C:/Documents and Settings/All Users/Dane aplikacji/MiKTeX/2.7/pdftex/config/pd
ftex.map}
!pdfTeX error: (file C:/Documents and Settings/All Users/Dane aplikacji/MiKTeX
/2.7/pdftex/config/pdftex.map): fflush() failed
==> Fatal error occurred, no output PDF file produced!and here's how it should look like:
{C:/Documents and Settings/All Users/Dane aplikacji/MiKTeX/2.7/pdftex/config/pd
ftex.map}] (tabular.aux) )
Here is how much of TeX's memory you used:
202 strings out of 95340
2116 string characters out of 1183965
46926 words of memory out of 1500000
3474 multiletter control sequences out of 110000
3640 words of font info for 14 fonts, out of 1200000 for 2000
14 hyphenation exceptions out of 8191
23i,6n,17p,173b,100s stack positions out of 5000i,500n,10000p,200000b,5000s
<C:/Program Files/LaTeX/MiKTeX 2.7/fonts/type1/bluesk
y/cm/cmr10.pfb>
Output written on tabular.pdf (1 page, 10003 bytes).
PDF statistics:
10 PDF objects out of 1000 (max. 8388607)
0 named destinations out of 1000 (max. 131072)
1 words of extra memory for PDF output out of 10000 (max. 10000000)I suspected that the problem was caused by presence of spaces in command (I've tried several other solutions such as putting parameters into String[] array, escaping, adding double-quotes, putting the command to the batch file), but when I run my the same command from the command line, everything works fine.
I believe that I'm making some kind of a stupid mistake because it doesn't look like it's pdfLaTeX's fault.
Thanks in advance for your hints. Solutions are welcome as well ;-)

Hi,
What is probably happening is that the process is being blocked because you are not reading the output.
This is a common problem with exec.
Read this article:
http://www.javaworld.com/javaworld/jw-12-2000/jw-1229-traps.html
HTH,
Eugenio Alvarez

Runtime.getRuntime().exec() problem while getting Mozilla version.

Hi all,
I've trying to get the current mozilla version in Java side using
Runtime.getRuntime().exec(). The sample code is as below.
I've tested two cases using exec(), as case# 1 and case# 2.
The result is after the code.
try
Runtime rt = Runtime.getRuntime();
Process proc = rt.exec(new String[] {"mozilla", "-remote"}); //case# 1
//Process proc = rt.exec(new String[] {"mozilla", "-version"}); //case# 2
InputStream stderr = proc.getErrorStream();
InputStreamReader isr = new InputStreamReader(stderr);
BufferedReader br = new BufferedReader(isr);
String line = null;
System.out.println("<ERROR>");
while ( (line = br.readLine()) != null)
System.out.println(line);
System.out.println("</ERROR>");
int exitVal = proc.waitFor();
System.out.println("Process exitValue: " + exitVal);
} catch (Throwable t) {
t.printStackTrace();
// execute "mozilla -remote"(case# 1)
$ java TestExec
<ERROR>
-remote requires an argument
</ERROR>
Process exitValue: 1
// execute "mozilla -version"(case# 2)
$ java TestExec
<ERROR>
</ERROR>
Process exitValue: 0
I'm just surprised that why case# 2 couldn't get the returned version string as case #1 ? Since there will be version string be returned from command line:
$ mozilla -version
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.1) Gecko/20020830, build 2002083014
Could anybody explain the problem or give any solution ?
Thanks.
-George.

Hi all,
One more question here.
While I use Runtime.getRuntime().exec() to execute some commands,
the commands may fail for some reason. Generally, they will return with the exit
value set to 1 or others. But sometime, before waitFor() exits, there is a popped up
dialog giving some info, and only after I click the "OK" button, it dispears, and
waitFor() returns the exit value.
So I'm not sure that could I suppress this popped up dialog, and make it run
just like other commands ? I mean, just get the exit value by waitFor() without user
interferance ?
Thanks.
-George.

PROBLEM in executing a shell command through Runtime.getRuntime().exec()

Hi all,
I was trying to execute the following code:
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.Statement;
import java.sql.ResultSet;
* Created on Mar 13, 2007
* To change the template for this generated file go to
* Window>Preferences>Java>Code Generation>Code and Comments
* @author 195092
* To change the template for this generated type comment go to
* Window>Preferences>Java>Code Generation>Code and Comments
public class ClassReportDeleteDaemon {
     ClassReportDeleteDaemon()
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But it is giving the error "BAD OPTION -print|xargs". The command run well in shell.
Please help.
Thanking u.......

Since the pipe '|' is interpreted by the shell then you need the shell to invoke your command
        String[] command = {"sh","-c","find /tmp/reports1 -name " + "\"" + "*" + "\"" + " -mtime +" + strdaysback + " -print|xargs rm -r"};
        final Process process = Runtime.getRuntime().exec(command);
You should also read http://www.javaworld.com/javaworld/jw-12-2000/jw-1229-traps.html at least twice and implement the recommendation regarding stdout and stderr.
P.S. Why are you not using Java to find and delete these files?
Message was edited by:
sabre150

Runtime.getRuntime().exec problem with linux script.

Hello,
I try to start a script under Linux RedHat 9. This script must just create another file.
I work with JDK 1.4.1_02b06.
If I use the next command
process = Runtime.getRuntime().exec("/temp/myScript.sh");
This is not working. I script file is existing otherwise I receive an error. I don't understand why the script is not executed!
I have check some other posts in this forum but I cannot find the solution.
Thanks in advance for your help.
Alain.

Try running it with sh: Runtime.getRuntime().exec("sh /temp/myScript.sh");

Runtime.getRuntime().exec(Command) problems...

hi, i am trying to run a NET USE command through using:
Runtime.getRuntime().exec(Command);
where Command is a valid NET USE command. I know it is valid because i executed this exact command
from the command line and it worked fine. This class works perfectly under Windows, but then i took it to an
OS/2 environment and i am getting this error. Does anybody know what i need to do to modify so it will work
under OS/2? any gotchas? thanks

i read that article, and there is a lot to go over. I will start that right now. Anyways, i got the actual stack trace
from this error:
at java.lang.Win32Process.create(Native Method)
at java.lang.Win32Process.<init>(Win32Process.java:67)
at java.lang.Runtime.execInternal(Native Method)
at java.lang.Runtime.exec(Runtime.java:566)
at java.lang.Runtime.exec(Runtime.java:428)
at java.lang.Runtime.exec(Runtime.java:364)
at java.lang.Runtime.exec(Runtime.java:326)
at ReconnectReportServer.run(ReportServer.java:499)
at java.lang.Thread.run(Thread.java:536)
and, once again, i am running this on OS/2. I compiled it on OS/2 as well. Any ideas? thanks!

Unable to run certain commands on unix using the Runtime.getRuntime().exec(

Hi Folks,
I am unable to get any output if I try : Runtime.getRuntime().exec("who am i")
however for Runtime.getRuntime().exec("pwd") I am getting the present working directory path !!!
if I give Runtime.getRuntime().exec("echo $PATH") then instead of printing the path it prints $PATH instead !!! similarly it is unable to understand any of the special unix characters such as " or ' & is assuming it to be a literal instead.
Any idea why this is happening ?? and any solution for the same
regards
Anand

I don't think that Runtime.getRuntime().exec() spawns a shell it just executes the file that is specified in the string. ecause of this you can not use commands that are built-in in the shell directly nor use special shell characters. You must spawn your own shell, try something like this:
Runtime.getRuntime().exec("sh");I'm sure you can add some switch to sh to execute a command by I am not using unix myself so I don't know how. Someone else have to help you with that. You can allways read the man-pages.

Problems running Runtime.getRuntime().exec(path)

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