Can I execute MySql's command from java application?

Can I execute MySql's command from java application? And how?
For example :
load data local infile 'D:\\myData.txt'
into table myTable
fields terminated by ';'
lines terminated by '\n';

1. get the jdbc driver for mysql from the mysql site at: http://dev.mysql.com/downloads/connector/j/5.0.html
2. follow the installation instructiions... which you'll also find in your mysql manual...
Happy travels. Keith.

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How to execute any cmd command from java application?

Hi all,
How to execute or call any command of cmd from java application??
Is there any method to do so??
Or, is it possible to do it using Runtime.exec() ??? And if so, how to use it, please explain with ab example...
I'll highly appreciate....
Thank you.

If google would be the best option, then I would not be on Sun's forums and I would not have asked experts like you, sir !! :-)
Neway, I got the solution from PhHein !!
Good link indeed..
Cheers..

Can't execute OS-level command from java stored proc

I've written a couple simple java stored procs, the first of which writes an file and the second attempts a chown on it. I can write the file (which is written as the oracle user) just fine. I need to chown it, but can't. Here's the first proc:
public static String writefile()
String fileName = "/joetest/test.xml";
try {
File f = new File(fileName);
FileOutputStream out = new FileOutputStream(f);
PrintStream p = new PrintStream(out);
p.println("this is only a test");
p.close();
return "create file successful!!!";
} catch (Exception e) {
return "Exception occurred writing file:"+e;
Here's the proc I've been stuggling with:
public static String chown(String inString)
String[] command = {"/bin/sh", "-c", "/usr/bin/chown notjoe /joetest/test.xml"};
if (inString != null) {
command[2] = inString;
try {
Process p = Runtime.getRuntime().exec(command);
return "Ownership change success!! "+p;
} catch (Exception e) {
return "Ownership change failure?? err="+e;
The package is created with:
CREATE OR REPLACE PACKAGE JOE.THISISATEST AS
FUNCTION writefile
return VARCHAR2
AS
LANGUAGE java
NAME 'thisisatest.writefile() return java.lang.String';
FUNCTION chown(Param1 VARCHAR2)
return VARCHAR2
AS
LANGUAGE java
NAME 'thisisatest.chown(java.lang.String) return java.lang.String';
end;
And I've granted the following privileges:
begin
dbms_java.grant_permission('JOE', 'java.io.FilePermission', '/joetest/test.xml', 'read, write, execute, delete');
end;
begin
dbms_java.grant_permission('JOE', 'java.io.FilePermission', '/usr/bin/chown', 'execute');
end;
begin
dbms_java.grant_permission('JOE', 'SYS:java.lang.RuntimePermission', 'writeFileDescriptor', '');
end;
begin
dbms_java.grant_permission('JOE', 'SYS:java.lang.RuntimePermission', 'readFileDescriptor', '');
end;
Here's the error that I'm getting:
ORA-06502: PL/SQL: numeric or value error: character string buffer too small
Coincidentally, this is the same error that I used to get when I wrote the file without having been granted write privileges. Once I granted myself the proper 'write' permissions I could perform file IO just fine. Is there some runtime permission that I need to grant myself to run chown? I'm just guessing, as I can't find any permission like that in the java documentation. I have 'execute' permission on /usr/bin/chown and the oracle user can execute the command I'm attempting from the command line. ARRRRRGH.
I am at my wits end with this. I've tried what seems like a thousand different syntaxes for the OS command and ran it from many different directories. Anyone have any thoughts at all as to why this is happening? I'm just clutching at straws now...

Hmmmm. Granting 'execute' on '<<ALL FILES>>' to user JOE fixes this problem:
begin
dbms_java.grant_permission('JOE', 'java.io.FilePermission', '<<ALL FILES>>', 'execute');
end;
My security folks will not allow this when I port to production, but at least it is something.
Message was edited by:
user603023

Executing a dos command from java in windows nt

i need to execute the
" net send"
command from the command line in windows nt, from within my java program... is there any way that i can execute cmommands in the dos command shell? or rather, does anybody know a way i can send a message ( in windows ) from java, from one computer to another over the lan?? I cannot have a java programming running on all the other computers, so i cannot make my program serve, it must just send the messges using a lan command....
(the net send command just sends a message in the form of a pop up box on the receiver's screeen)
thanks a bunch guys!!!
Thanks a bunch guys!!!!

you can do that with exec() in Runtime.
Runtime rt = Runtime.getRuntime();
Process proc = rt.exec(command here);but before you do that you need to read this:
http://www.javaworld.com/jw-12-2000/jw-1229-traps.html
hth
partha

Executing a bash command from Java

I want to execute a bash command from within a Java application on the server. I know how to do simple commands, but this command is killing me. I get nothing back when I send it.
p = Runtime.getRuntime().exec(new String[]{"ps","-ef","","grep","evolution"});
There is also another part where I want the results piped to awk and fetch out the pids. BUt with this not working the rest is a waste for now.
Robbie

evgeni00 wrote:
Thank you for assuming the posters' stupidity.I can only see the information that you provide. You didn't say you tried the recommendations.
I read the article and I tried the things he/she is proposing, also the error stream, guess what it outputs: nothing.Maybe you did it wrong. If you didn't do it wrong, then that program you're invoking is poorly written, because it dies in error without producing any error messages.
And I also searched for the exitValue 138, but didn't get much further than that its some system specific value. If you know where I can find more information, I would appreciate if you let me know about it. As jschell pointed out it's probably app specific. You can search the source code and/or documentation of that program to see if they say what 138 means.
Apart from that -- it seems that environment and run directory issues can trip this up. Try checking that stuff out. Maybe your program expects something on the executable PATH that isn't there. Or maybe you're not running it in the working directory that you think you are.

How to Execute Power Shell Command From Windows Application.

Hi All Experts,
I want to execute power shell commands from my windows application.
Is it possible ?
Please let me know your comments..
Thanks.

I have not tried this, but apprently it is easy as in the sample pasted below. please see this article for more details
http://geekswithblogs.net/Norgean/archive/2012/09/19/running-powershell-from-within-sharepoint.aspx.
Let me know how it goes...
public string RunPowershell(string powershellText, SPWeb web, string param1, string param2) {
// Powershell ~= RunspaceFactory - i.e. Create a powershell context
var runspace = RunspaceFactory.CreateRunspace();
var resultString = new StringBuilder();
try
// load the SharePoint snapin - Note: you cannot do this in the script itself (i.e. add-pssnapin etc does not work)
PSSnapInException snapInError;
runspace.RunspaceConfiguration.AddPSSnapIn("Microsoft.SharePoint.PowerShell", out snapInError);
runspace.Open();
// set a web variable.
runspace.SessionStateProxy.SetVariable("webContext", web);
// and some user defined parameters
runspace.SessionStateProxy.SetVariable("param1", param1);
runspace.SessionStateProxy.SetVariable("param2", param2);
var pipeline = runspace.CreatePipeline();
pipeline.Commands.AddScript(powershellText);
// add a "return" variable
pipeline.Commands.Add("Out-String");
// execute!
var results = pipeline.Invoke();
// convert the script result into a single string
foreach (PSObject obj in results)
resultString.AppendLine(obj.ToString());
finally
// close the runspace
runspace.Close();
// consider logging the result. Or something.
return resultString.ToString();
Ok. We've written some code. Let us test it.
var runner = new PowershellRunner();
runner.RunPowershellScript(@"
$web = Get-SPWeb 'http://server/web' # or $webContext
$web.Title = $param1
$web.Update()
$web.Dispose()
", null, "New title", "not used");
-Sangeetha

Execute DOS command from java application

Hello,
I want to execute a DOS command (MOVE, in order to move an image from a folder to an other) from a java application. How can I do this?
Francesco

Yes I have tested it and it is working but only when executing a bacth file. For instance:
Runtime rt = Runtime.getRuntime();
try{
Process proc = rt.exec("move.bat");
}catch(Exception ex){
ex.printStackTrace();
}and the command in move.bat is:
move c:\\temp\\*.gif C:\\temp2
You don't have to use double slashes in batch files, only in Java. But anyway it is working both ways.
It is not working when you try to execute the command without the batch file:
Process proc = rt.exec("move c:\\temp\\*.gif C:\\temp2"); -> this will not work.
It should work. Try to execute another command to see what happens.

Using Unix commands from Java Application

Hi,
I need to write an Java application such that could run Unix commands in a Unix box.
For example, my Java app needs to log in the Unix box, change directory (cd), create new folder (mkdir), list the current files in folder (ls), mount a new device (mount), etc.
Thank you very much.
Hung

you can use java.lang.Runtime.exec to invoke OS commands, but if you're going to be completing a sequence that complicated and need to manage error handleing well, it might be best to just invoke a native method or write a shell script that does all of that stuff and then invoke that script via Runtime.exec . The Runtime class has limitations when you start invoking processes that require user input (like 'su'). Search the forums for more extensive examples on how to use Runtime.

Can i open a flase file from java application?

i want that when the user click a button on my java application,
a flash file i made (Not html)will be showen .

is it an executable(*.exe?), if it is then you could try using runtime.exec() to run it, but it would not be in a window that you created

Executing sqlplus / sqlldr command from java code

hi,
I have my application on one server(tomcat) and oracle server is installed on other server. i.e. Both are on different machine.
Now i want to run sqlplus / sqlldr command on oracle server from my java code.
Again my script for lodder command is in temp of tomcat.
How to do that?
Thanks,

Hi,
I am using JDBC to executed queries...but i need to run sqlplus command to run script if some condition is satisfied and same for sqllodder to load large record like 500000. This code is in the thread and is working fine for same machine. Need to execute it on another machine where oracle is installed.
From command prompt i am able to run sqlplus on Oracle server. Same command I am not able to run from the code. I have shared bin direcotry of Oracle from server.
Let me know if any query
Regards,
Edited by: Sun_Nut on Dec 16, 2007 9:53 PM

Problems to execute "cd" DOS command from Java program

Anyone try to exec command "cd.." or "cd directory", it doesn't have any action. No exceptions, just don't do anything.
Runtime.getRuntime().exec("cd\\");
Runtime.getRuntime().exec("cd hello");
However, when I try the following, it is working fine. Any ideas???
Runtime.getRuntime().exec("explorer");
Runtime.getRuntime().exec("javac Test1.java");

That's because cd is built into the command
interpreter in Windows. Runtime.getRuntime().exec()
can only be used to launch external programs. This
article should get you going:And that's not the only reason why you can't do this.
When you do
Runtime.getRuntime().exec("cd c:\\");
(or, heck, "cmd /c cd c:\\"): the new command that you spawn will cd to the destination specified, and then exit. The parent process (your java program, that is launching this command) won't go anywhere - the "cd" doesn't affect it.
The only way to change your OS directory in Java is to invoke native code. And even then, the effects are undefined (in terms of how your CLASSPATH will be affected, etc.).

How can I run a dos command from java on windows 98, 95?

The usage of cmd.exe in the java program to run a dos command on windows 98. 95 doesn't work as the equivalent command is command.exe
But using the command.exe in the java program makes my program to hang.

hi,
As u mentioned, u cannot use the cmd.exe in win9x environment as cmd.exe is specific to windows NT, you can use the command.exe without any hitches.
for eg
java.lang.Runtime.getRuntime().exec("start command /K a.bat"); should run the batch file a.bat..
if the problem persists, try posting the snippet of code that you are using.
cheerz
ynkrish

Executing a dos command from java

Hi guys.
This line works fine:
process = Runtime.getRuntime().exec("command.com /C c:\\test.bat");
But this line do nothing:
process = Runtime.getRuntime().exec("command.com /C c:\\test\\test.bat");
I need to run a dos file in some directory in my HD. It works fine in root, but do nothing when I change to directory. I do this from an applet.
Any ideas/suggestions?

Any ideas/suggestions?The file isn't actually there (it isn't in the directory.)
There is a permisions problem (which is unusual but not impossible on windows.)
The script itself is failing - you didn't indicate "how" it doesn't work so this is possible.

CMD commands from Java applications

I have been searching around and trying to see if it is possible to open a DOS window (via cmd) and run a command (ie: ping, tracert) from a Java GUI. I not found anything as of yet. I am familiar with Runtime.exec(); but it does not seem to like cmd. I can launch other applications, but it does not seem to launch a command window at all, and if I add any other arguements it will give me an IO error.
Anyone have any ideas?

Read this:
http://www.javaworld.com/javaworld/jw-12-2000/jw-1229-traps.html
It'll tell you how to use Runtime.exec() properly. MOD

Running a db2 command from Java Application ??

Hi All,
I have to write an application in JDBC that can retrieve a list of databases on a db2 server, the only way I know is the db2 command "list database directory", but I can not use it in a JAVA program, is there a solution for this?
Can anyone help me in this regard ?
Thanks in Advance.

If your driver implement it you can list databases with DatabaseMetaData
Connection conn = ...
DatabaseMetaData meta = conn.getMetaData();
ResultSet rs = meta.getCatalogs();
while (rs.next())
System.out.println(rs.getString("TABLE_CAT"));
}

Can I execute MySql's command from java application?

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