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Run the command ipconfig through an applet

Mario Cageggi

Joined: Apr 22, 2009
Posts: 8

I am trying to execute the "ipconfig /all" command through an applet; I try to execute exactly these lines:

private final static String windowsRunIpConfigCommand() throws IOException {
Process p = Runtime.getRuntime().exec("ipconfig /all");
InputStream stdoutStream = new BufferedInputStream(p.getInputStream());

StringBuffer buffer= new StringBuffer();
for (;;) {
int c =;
if (c == -1) break;
String outputText = buffer.toString();


return outputText;

but it not working...

Is it something wrong?
May it be that I cannot run a command like "ipconfig /all" in an applet due to security restriction?

Ulf Dittmer

Joined: Mar 22, 2005
Posts: 42273
Indeed, applets can't use Runtime.exec within the sandbox. There are most likely exceptions to this effect in the Java Console. See HowCanAnAppletReadFilesOnTheLocalFileSystem how to work around this.

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I agree. Here's the link:
subject: Run the command ipconfig through an applet