[NET - Telnet] Second execution of task hangs forever.
Hello all, I'm trying to remote control an embedded system using telnet. The system is running QNX (A realtime Unixoid). The first connection with telnet works without any problem. But the second hangs forever. I prepared a minimal working (or rather not working) example: = project name=test basedir=. default=telnet2 target name=telnet2 depends=telnet1 telnet server=192.168.118.130 userid=root password=root timeout=5 read#/read write echo=truels/write /telnet /target target name=telnet1 telnet server=192.168.118.130 userid=root password=root read#/read write echo=truels/write /telnet echo message=sleeping 2s/ sleep seconds=2/ echo message=slept 2s/ /target /project = If I execute this I get the following output from ant: = C:\tmpant Buildfile: C:\tmp\build.xml telnet1: [telnet] [telnet] [telnet] QNX Neutrino (localhost) (ttyp0) [telnet] [telnet] [telnet] [telnet] login: [telnet] root [telnet] Password: [telnet] [telnet] Wed Sep 28 15:00:20 2011 on /dev/ttyp0 [telnet] Last login: Wed Sep 28 14:59:24 2011 on /dev/ttyp0 [telnet] # [telnet] ls [echo] sleeping 2s [echo] slept 2s telnet2: Batchvorgang abbrechen (J/N)? J C:\tmp = The second telnet task hung for more than five minutes (note the 5s timeout specified). On the remote systems side I looked for the connection using netstat. It was there during the first task execution. Then gone afterwards, and another connection was made for the second execution. So I verified, that the first connection is properly closed, at least on the remote system. Does anybody know of this problem? Can you give me any directions to further investigate? I am writing in the hopes of not having to dig into the commons-net source code and debugging it myself. Best regards Till -- Till Fischer Software Engineer Software Release Management Neusoft Technology Solutions GmbH Hugh-Greene-Weg 2-4 22529 Hamburg - Germany Mailto: till.fisc...@neusoft.com www.neusoft.com - To unsubscribe, e-mail: user-unsubscr...@commons.apache.org For additional commands, e-mail: user-h...@commons.apache.org
DBCP 1.4 autocommit
Hi all,
I can't understand why in
org.apache.commons.dbcp.PoolableConnectionFactory in the passivateObject
method autocommit is set true:
lines 688-680 (dbcp 14)
if(!conn.getAutoCommit()) {
conn.setAutoCommit(true);
}
If defaultAutoCommit is set to false the query SET autocommit=1 should
be executed for each getConnection() call.
This is the all queries log result:
* 12 QuerySET autocommit=1
12 QuerySET autocommit=0
* 12 Queryselect
chiave,email,password,status,props,syncro,tipoUtente,sito,newprops from
utenti where sito='fie' and (tipoUtente='SCUOLASCI' and status=2)
12 Queryrollback
* 12 QuerySET autocommit=1
12 QuerySET autocommit=0
* 12 Queryselect
chiave,email,password,status,props,syncro,tipoUtente,sito,newprops from
utenti where sito='fie' and (tipoUtente='BIKERENTAL' and status=2)
12 Queryrollback
* 12 QuerySET autocommit=1
12 QuerySET autocommit=0
* 12 Queryselect
chiave,email,password,status,props,syncro,tipoUtente,sito,newprops from
utenti where sito='fie' and (tipoUtente='RIFUGIO' and status=2)
12 Queryrollback
* 12 QuerySET autocommit=1
12 QuerySET autocommit=0
* 12 Queryselect
chiave,email,password,status,props,syncro,tipoUtente,sito,newprops from
utenti where sito='fie' and (tipoUtente='SKIRENTAL' and status=2)
12 Queryrollback
12 QuerySET autocommit=1
thank you in advance for any suggestion.
Andrea
[jexl] JEXL project status
Hi, I am planning to use JEXL as part of our commercial product. I would like to better understand the current status of the project. More precisely, 1. Is the project currently active? 2. Is there a plan to release a new JEXL revision in a near future? I would also appreciate if someone in the list could give feedback on existing commercial software using JEXL. Thank you, Guy Dumais Senior Software Developer *** This e-mail and attachments are confidential, legally privileged, may be subject to copyright and sent solely for the attention of the addressee(s). Any unauthorized use or disclosure is prohibited. Statements and opinions expressed in this e-mail may not represent those of Radialpoint. Le contenu du présent courriel est confidentiel, privilégié et peut être soumis à des droits d'auteur. Il est envoyé à l'intention exclusive de son ou de ses destinataires. Il est interdit de l'utiliser ou de le divulguer sans autorisation. Les opinions exprimées dans le présent courriel peuvent diverger de celles de Radialpoint.
Re: [exec]How could I use exec to execute a java program with keyboard input in it?
Hi,
if I understand that correctly you would like to get some keyboard input
for your child process - I have never done that but I think the
following snippet from DefaultExecutorTest might show you the way
Cheers,
Siegfried Goeschl
/**
* The test script reads an argument from codestdincode and prints
* the result to stdout. To make things slightly more interesting
* we are using an asynchronous process.
*
* @throws Exception the test failed
*/
public void testStdInHandling() throws Exception {
ByteArrayInputStream bais = new
ByteArrayInputStream(Foo.getBytes()); // newline not needed; causes
problems for VMS
CommandLine cl = new CommandLine(this.stdinSript);
PumpStreamHandler pumpStreamHandler = new PumpStreamHandler(
this.baos, System.err, bais);
DefaultExecuteResultHandler resultHandler = new
DefaultExecuteResultHandler();
Executor executor = new DefaultExecutor();
executor.setStreamHandler(pumpStreamHandler);
executor.execute(cl, resultHandler);
resultHandler.waitFor(WAITFOR_TIMEOUT);
assertTrue(ResultHandler received a result,
resultHandler.hasResult());
assertFalse(exec.isFailure(resultHandler.getExitValue()));
String result = baos.toString();
assertTrue(Result '+result+' should contain 'Hello Foo!',
result.indexOf(Hello Foo!) = 0);
}
On 27.09.11 09:41, Yi Huang wrote:
For example:
import java.util.Scanner;
public class ToBeCalled {
public static void main(String[] args) {
Scanner keyboard = new Scanner(System.in);
int t = keyboard.nextInt();
System.out.println(t);
}
}
How could I use exec to let it run properly?
I have tried this:
// compile
cmdline = CommandLine.parse(javac);
executor = new DefaultExecutor();
cmdline.addArgument(ToBeCalled.java);
exitValue = executor.execute(cmdline);
System.out.println(compile: + exitValue);
// run
cmdline = CommandLine.parse(java);
cmdline.addArgument(ToBeCalled);
cmdline.addArgument(abc);
cmdline.addArgument(def);
executor = new DefaultExecutor();
exitValue = executor.execute(cmdline);
System.out.println(run: + exitValue);
It did compile, but crashed and said that there is no argument in nextInt()
How could I fix that?
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Re: [exec]How could I use exec to execute a java program with keyboard input in it?
Thank you very much!
That was exactly what I want.
在 2011年9月28日星期三，Siegfried Goeschl siegfried.goes...@it20one.at 写道：
Hi,
if I understand that correctly you would like to get some keyboard input
for your child process - I have never done that but I think the following
snippet from DefaultExecutorTest might show you the way
Cheers,
Siegfried Goeschl
/**
* The test script reads an argument from codestdincode and prints
* the result to stdout. To make things slightly more interesting
* we are using an asynchronous process.
*
* @throws Exception the test failed
*/
public void testStdInHandling() throws Exception {
ByteArrayInputStream bais = new
ByteArrayInputStream(Foo.getBytes()); // newline not needed; causes
problems for VMS
CommandLine cl = new CommandLine(this.stdinSript);
PumpStreamHandler pumpStreamHandler = new PumpStreamHandler(
this.baos, System.err, bais);
DefaultExecuteResultHandler resultHandler = new
DefaultExecuteResultHandler();
Executor executor = new DefaultExecutor();
executor.setStreamHandler(pumpStreamHandler);
executor.execute(cl, resultHandler);
resultHandler.waitFor(WAITFOR_TIMEOUT);
assertTrue(ResultHandler received a result,
resultHandler.hasResult());
assertFalse(exec.isFailure(resultHandler.getExitValue()));
String result = baos.toString();
assertTrue(Result '+result+' should contain 'Hello Foo!',
result.indexOf(Hello Foo!) = 0);
}
On 27.09.11 09:41, Yi Huang wrote:
For example:
import java.util.Scanner;
public class ToBeCalled {
public static void main(String[] args) {
Scanner keyboard = new Scanner(System.in);
int t = keyboard.nextInt();
System.out.println(t);
}
}
How could I use exec to let it run properly?
I have tried this:
// compile
cmdline = CommandLine.parse(javac);
executor = new DefaultExecutor();
cmdline.addArgument(ToBeCalled.java);
exitValue = executor.execute(cmdline);
System.out.println(compile: + exitValue);
// run
cmdline = CommandLine.parse(java);
cmdline.addArgument(ToBeCalled);
cmdline.addArgument(abc);
cmdline.addArgument(def);
executor = new DefaultExecutor();
exitValue = executor.execute(cmdline);
System.out.println(run: + exitValue);
It did compile, but crashed and said that there is no argument in
nextInt()
How could I fix that?
-
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