simpleweb-support — General user and support issues

RE: [Simpleweb-Support] Problem when stress testing an application using SimpleWeb

[Henry V. <hen...@ge...>]

Re Hi Neil,

Well i found the problem and fixed it. And i would like your input about it.
The problem is when the client suddently close the stream and this happens
often in highly concurrent transactions.

java.io.IOException: Stream closed
	at java.io.PushbackInputStream.ensureOpen(PushbackInputStream.java:57)
	at java.io.PushbackInputStream.unread(PushbackInputStream.java:181)
	at simple.http.PollerInputStream.available(PollerInputStream.java:114)
	at simple.http.BasicPoller.process(BasicPoller.java:117)
	at simple.http.Processor.execute(Processor.java:121)
	at simple.http.Processor.run(Processor.java:83)
	at java.lang.Thread.run(Thread.java:595)

Then the exception makes the closes the poller

This happens, in the class : simple.http.Processor

  private void execute() throws InterruptedException
 {
       Object top = queue.dequeue();
       Poller poller = (Poller)top;
       try{
          poller.process(proc);
       }catch(Exception e){
          poller.close();
       }
    }

Why close the poller?


My fix consist in removing the try catch, and removing the line of the
pooler.close

the code is :

   private void execute() throws IOException, InterruptedException {
      Object top = queue.dequeue();
      Poller poller = (Poller) top;
      poller.process(proc);
   }

then is catched in the run method

 public void run() {
      while (alive) {
         try {
            execute();
         }
         catch (IOException e) {
            l
         }
         catch (InterruptedException e) {
            logger.error("Interrupted exception while executing an request",
e);
         }
      }
   }


-----Original Message-----
From: sim...@li...
[mailto:sim...@li...]On Behalf Of Henry
Voyer
Sent: Tuesday, July 26, 2005 1:06 PM
To: sim...@li...
Cc: jor...@ge...
Subject: RE: [Simpleweb-Support] Problem when stress testing an
application using SimpleWeb


Hi Neil,

Thanks for answering.

We know thats part of the problem. But for the HTTP processing that doesnt
mean that simple has to stop processing more requests comming from the same
or other clients. It looks like the poller.close() does just that. One error
and everything stops.

Il continue checking to see exactly at what request/ratio it happens and
exacly why.

Regards
And thanks

henry




-----Original Message-----
From: sim...@li...
[mailto:sim...@li...]On Behalf Of Niall
Gallagher
Sent: Tuesday, July 26, 2005 10:53 AM
To: sim...@li...
Subject: Re: [Simpleweb-Support] Problem when stress testing an
application using SimpleWeb


Hi Henry,

The stream has been closed because of an error! An
error has occured probably because the HTTP request
contained a message body. At any rate there is some
HTTP/1.1 violation with delimeters.

Has your request got a message body that you have
failed to read?

Niall

--- Henry Voyer <hen...@ge...> wrote:

> Hi everyone
>
> I have been stress testing an extensive transaction
> oriented application
> that uses simple.
> The stress test consist of using jmeter with around
> 20 threads sending 500
> requests each to my server.
>
> After a couple of minutes the system stops.
>
> So i started putting logs and found the section
> where the errors occurs.
> The code :
>
> simple.http.Processor
>
>  private void execute() throws InterruptedException
> {
>       logger.debug("Reading a process");
>       Object top = queue.dequeue();
>       logger.debug("Processing " +
> ToStringBuilder.reflectionToString(top));
>       Poller poller = (Poller)top;
>       try{
>          logger.debug("Who is being processed " +
> ToStringBuilder.reflectionToString(proc));
>          poller.process(proc);
>          logger.debug("Finishing pooler");
>       }catch(Exception e){
>          logger.error("Closing the pooler due to: ",
> e);
>          poller.close();
>       }
>    }
>
> The exception is:
>
> ERROR 2005-07-26 10:02:00,125 Processor.execute -
> Closing the pooler due to:
> java.io.IOException: Stream closed
> 	at
>
java.io.PushbackInputStream.ensureOpen(PushbackInputStream.java:57)
> 	at
>
java.io.PushbackInputStream.unread(PushbackInputStream.java:181)
> 	at simple.http.PollerInputStream.available(Unknown
> Source)
> 	at simple.http.BasicPoller.process(Unknown Source)
> 	at simple.http.Processor.execute(Unknown Source)
> 	at simple.http.Processor.run(Unknown Source)
> 	at java.lang.Thread.run(Thread.java:595)
>
> My configuration is:
>
>   	System.setProperty("simple.http.load.mapper",
> custommapper);
>       System.setProperty("simple.http.poller",
> "simple.http.GranularPoller");
>
>       MapperEngine engine = new MapperEngine(new
> FileContext(),
> serviceManager);
>
>       ProtocolHandler handler =
> HandlerFactory.getInstance(engine);
>
>
>
ProcessQueue.getInstance().resize(processingThreads);
>
> 	Connection connection =
> ConnectionFactory.getConnection(handler);
>
>       InetAddress netAddress =
> InetAddress.getByName(myip);
>       serverSocket = new ServerSocket(port, backlog,
> netAddress);
>
> 	connection.connect(serverSocket);
>
>
> Has anyone experience this problem and what did you
> do to fix this?
>
>
>
>
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>
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>


Niall Gallagher

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_______________________________________________
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RE: [Simpleweb-Support] Problem when stress testing an application using SimpleWeb

[Henry V. <hen...@ge...>]

Hi Neil,

Thanks for answering.

We know thats part of the problem. But for the HTTP processing that doesnt
mean that simple has to stop processing more requests comming from the same
or other clients. It looks like the poller.close() does just that. One error
and everything stops.

Il continue checking to see exactly at what request/ratio it happens and
exacly why.

Regards
And thanks

henry




-----Original Message-----
From: sim...@li...
[mailto:sim...@li...]On Behalf Of Niall
Gallagher
Sent: Tuesday, July 26, 2005 10:53 AM
To: sim...@li...
Subject: Re: [Simpleweb-Support] Problem when stress testing an
application using SimpleWeb


Hi Henry,

The stream has been closed because of an error! An
error has occured probably because the HTTP request
contained a message body. At any rate there is some
HTTP/1.1 violation with delimeters.

Has your request got a message body that you have
failed to read?

Niall

--- Henry Voyer <hen...@ge...> wrote:

> Hi everyone
>
> I have been stress testing an extensive transaction
> oriented application
> that uses simple.
> The stress test consist of using jmeter with around
> 20 threads sending 500
> requests each to my server.
>
> After a couple of minutes the system stops.
>
> So i started putting logs and found the section
> where the errors occurs.
> The code :
>
> simple.http.Processor
>
>  private void execute() throws InterruptedException
> {
>       logger.debug("Reading a process");
>       Object top = queue.dequeue();
>       logger.debug("Processing " +
> ToStringBuilder.reflectionToString(top));
>       Poller poller = (Poller)top;
>       try{
>          logger.debug("Who is being processed " +
> ToStringBuilder.reflectionToString(proc));
>          poller.process(proc);
>          logger.debug("Finishing pooler");
>       }catch(Exception e){
>          logger.error("Closing the pooler due to: ",
> e);
>          poller.close();
>       }
>    }
>
> The exception is:
>
> ERROR 2005-07-26 10:02:00,125 Processor.execute -
> Closing the pooler due to:
> java.io.IOException: Stream closed
> 	at
>
java.io.PushbackInputStream.ensureOpen(PushbackInputStream.java:57)
> 	at
>
java.io.PushbackInputStream.unread(PushbackInputStream.java:181)
> 	at simple.http.PollerInputStream.available(Unknown
> Source)
> 	at simple.http.BasicPoller.process(Unknown Source)
> 	at simple.http.Processor.execute(Unknown Source)
> 	at simple.http.Processor.run(Unknown Source)
> 	at java.lang.Thread.run(Thread.java:595)
>
> My configuration is:
>
>   	System.setProperty("simple.http.load.mapper",
> custommapper);
>       System.setProperty("simple.http.poller",
> "simple.http.GranularPoller");
>
>       MapperEngine engine = new MapperEngine(new
> FileContext(),
> serviceManager);
>
>       ProtocolHandler handler =
> HandlerFactory.getInstance(engine);
>
>
>
ProcessQueue.getInstance().resize(processingThreads);
>
> 	Connection connection =
> ConnectionFactory.getConnection(handler);
>
>       InetAddress netAddress =
> InetAddress.getByName(myip);
>       serverSocket = new ServerSocket(port, backlog,
> netAddress);
>
> 	connection.connect(serverSocket);
>
>
> Has anyone experience this problem and what did you
> do to fix this?
>
>
>
>
-------------------------------------------------------
> SF.Net email is sponsored by: Discover Easy Linux
> Migration Strategies
> from IBM. Find simple to follow Roadmaps,
> straightforward articles,
> informative Webcasts and more! Get everything you
> need to get up to
> speed, fast.
>
http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click
> _______________________________________________
> Simpleweb-Support mailing list
> Sim...@li...
>
https://lists.sourceforge.net/lists/listinfo/simpleweb-support
>


Niall Gallagher

__________________________________________________
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-------------------------------------------------------
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informative Webcasts and more! Get everything you need to get up to
speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click
_______________________________________________
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Sim...@li...
https://lists.sourceforge.net/lists/listinfo/simpleweb-support

Re: [Simpleweb-Support] Problem when stress testing an application using SimpleWeb

[Niall G. <gal...@ya...>]

Hi Henry,

The stream has been closed because of an error! An
error has occured probably because the HTTP request
contained a message body. At any rate there is some
HTTP/1.1 violation with delimeters. 

Has your request got a message body that you have
failed to read?

Niall

--- Henry Voyer <hen...@ge...> wrote:

> Hi everyone
> 
> I have been stress testing an extensive transaction
> oriented application
> that uses simple.
> The stress test consist of using jmeter with around
> 20 threads sending 500
> requests each to my server.
> 
> After a couple of minutes the system stops.
> 
> So i started putting logs and found the section
> where the errors occurs.
> The code :
> 
> simple.http.Processor
> 
>  private void execute() throws InterruptedException
> {
>       logger.debug("Reading a process");
>       Object top = queue.dequeue();
>       logger.debug("Processing " +
> ToStringBuilder.reflectionToString(top));
>       Poller poller = (Poller)top;
>       try{
>          logger.debug("Who is being processed " +
> ToStringBuilder.reflectionToString(proc));
>          poller.process(proc);
>          logger.debug("Finishing pooler");
>       }catch(Exception e){
>          logger.error("Closing the pooler due to: ",
> e);
>          poller.close();
>       }
>    }
> 
> The exception is:
> 
> ERROR 2005-07-26 10:02:00,125 Processor.execute -
> Closing the pooler due to:
> java.io.IOException: Stream closed
> 	at
>
java.io.PushbackInputStream.ensureOpen(PushbackInputStream.java:57)
> 	at
>
java.io.PushbackInputStream.unread(PushbackInputStream.java:181)
> 	at simple.http.PollerInputStream.available(Unknown
> Source)
> 	at simple.http.BasicPoller.process(Unknown Source)
> 	at simple.http.Processor.execute(Unknown Source)
> 	at simple.http.Processor.run(Unknown Source)
> 	at java.lang.Thread.run(Thread.java:595)
> 
> My configuration is:
> 
>   	System.setProperty("simple.http.load.mapper",
> custommapper);
>       System.setProperty("simple.http.poller",
> "simple.http.GranularPoller");
> 
>       MapperEngine engine = new MapperEngine(new
> FileContext(),
> serviceManager);
> 
>       ProtocolHandler handler =
> HandlerFactory.getInstance(engine);
> 
>      
>
ProcessQueue.getInstance().resize(processingThreads);
> 
> 	Connection connection =
> ConnectionFactory.getConnection(handler);
> 
>       InetAddress netAddress =
> InetAddress.getByName(myip);
>       serverSocket = new ServerSocket(port, backlog,
> netAddress);
> 
> 	connection.connect(serverSocket);
> 
> 
> Has anyone experience this problem and what did you
> do to fix this?
> 
> 
> 
>
-------------------------------------------------------
> SF.Net email is sponsored by: Discover Easy Linux
> Migration Strategies
> from IBM. Find simple to follow Roadmaps,
> straightforward articles,
> informative Webcasts and more! Get everything you
> need to get up to
> speed, fast.
>
http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click
> _______________________________________________
> Simpleweb-Support mailing list
> Sim...@li...
>
https://lists.sourceforge.net/lists/listinfo/simpleweb-support
> 


Niall Gallagher

__________________________________________________
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[Simpleweb-Support] Problem when stress testing an application using SimpleWeb

[Henry V. <hen...@ge...>]

Hi everyone

I have been stress testing an extensive transaction oriented application
that uses simple.
The stress test consist of using jmeter with around 20 threads sending 500
requests each to my server.

After a couple of minutes the system stops.

So i started putting logs and found the section where the errors occurs.
The code :

simple.http.Processor

 private void execute() throws InterruptedException {
      logger.debug("Reading a process");
      Object top = queue.dequeue();
      logger.debug("Processing " + ToStringBuilder.reflectionToString(top));
      Poller poller = (Poller)top;
      try{
         logger.debug("Who is being processed " +
ToStringBuilder.reflectionToString(proc));
         poller.process(proc);
         logger.debug("Finishing pooler");
      }catch(Exception e){
         logger.error("Closing the pooler due to: ", e);
         poller.close();
      }
   }

The exception is:

ERROR 2005-07-26 10:02:00,125 Processor.execute - Closing the pooler due to:
java.io.IOException: Stream closed
	at java.io.PushbackInputStream.ensureOpen(PushbackInputStream.java:57)
	at java.io.PushbackInputStream.unread(PushbackInputStream.java:181)
	at simple.http.PollerInputStream.available(Unknown Source)
	at simple.http.BasicPoller.process(Unknown Source)
	at simple.http.Processor.execute(Unknown Source)
	at simple.http.Processor.run(Unknown Source)
	at java.lang.Thread.run(Thread.java:595)

My configuration is:

  	System.setProperty("simple.http.load.mapper", custommapper);
      System.setProperty("simple.http.poller",
"simple.http.GranularPoller");

      MapperEngine engine = new MapperEngine(new FileContext(),
serviceManager);

      ProtocolHandler handler = HandlerFactory.getInstance(engine);

      ProcessQueue.getInstance().resize(processingThreads);

	Connection connection = ConnectionFactory.getConnection(handler);

      InetAddress netAddress = InetAddress.getByName(myip);
      serverSocket = new ServerSocket(port, backlog, netAddress);

	connection.connect(serverSocket);


Has anyone experience this problem and what did you do to fix this?

Re: [Simpleweb-Support] Too many open files

[Niall G. <gal...@ya...>]

Hi Jan,

I have tested Simple many times on Redhat, and it has
worked every time without a problem. However, there is
no upper limit on the number of connections it will
accept before rejecting them. So if your server
receives a large load over a short period of time file
handles can be eaten up fairly quickly.

What client are you using to connect to Simple? Also
what packages/objects does your server use? If you can
let me know I will have a look and see if there is a
bug regarding file handles!

Regards,
Niall

--- Jan Mikkelsen <ja...@ja...> wrote:

> Hi 
> 
>  
> 
> I have been running out of filehandles since I
> incorporated Simple into
> my application. I'm running on Red Hat and max.
> number of filehandles Is
> 1024. My program uses 100 normally, but suddenly the
> number starts
> rising until it reaches 1024. I get lots of lines
> like this with lsof: 
> 
>  
> 
> java-ak 10197 root  949u  sock        0,0         
> 53806164 can't
> identify protocol
> 
> java-ak 10197 root  950u  sock        0,0         
> 53806165 can't
> identify protocol
> 
> java-ak 10197 root  951u  sock        0,0         
> 53814036 can't
> identify protocol
> 
> java-ak 10197 root  952u  sock        0,0         
> 53814037 can't
> identify protocol
> 
> java-ak 10197 root  953u  sock        0,0         
> 53824098 can't
> identify protocol
> 
> java-ak 10197 root  954u  sock        0,0         
> 53814058 can't
> identify protocol
> 
> java-ak 10197 root  955u  sock        0,0         
> 53823442 can't
> identify protocol
> 
>  
> 
> Does anybody know if Simple can cause "leakage of
> filehandles" ?
> 
>  
> 
> Any input is welcome here :-)
> 
>  
> 
> Jan Mikkelsen
> 
> 


Niall Gallagher

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[Simpleweb-Support] Too many open files

[Jan M. <ja...@ja...>]

Hi=20

=20

I have been running out of filehandles since I incorporated Simple into
my application. I'm running on Red Hat and max. number of filehandles Is
1024. My program uses 100 normally, but suddenly the number starts
rising until it reaches 1024. I get lots of lines like this with lsof:=20

=20

java-ak 10197 root  949u  sock        0,0          53806164 can't
identify protocol

java-ak 10197 root  950u  sock        0,0          53806165 can't
identify protocol

java-ak 10197 root  951u  sock        0,0          53814036 can't
identify protocol

java-ak 10197 root  952u  sock        0,0          53814037 can't
identify protocol

java-ak 10197 root  953u  sock        0,0          53824098 can't
identify protocol

java-ak 10197 root  954u  sock        0,0          53814058 can't
identify protocol

java-ak 10197 root  955u  sock        0,0          53823442 can't
identify protocol

=20

Does anybody know if Simple can cause "leakage of filehandles" ?

=20

Any input is welcome here :-)

=20

Jan Mikkelsen

Re: [Simpleweb-Support] Connection reset

[Jan M. <jm...@ad...>]

Hi Niall

Thanks for your ideas. The LoggingOutputStream is just responsible for
redirecting stdout and stderr.

I think you are right about the client closing connections. I have found
other bits of information that suggest that this is unavoidable and not
a problem. I have not had any complains either, so it is propably ok. 

Jan

Re: [Simpleweb-Support] Connection reset

[Jan M. <jm...@ad...>]

Michael,

Thanks for the input! I have changed my code to send headers first. I
don't think it has helped on the exceptions, but i'll keep the changes.

/Jan

Re: [Simpleweb-Support] Connection reset

[Jan M. <jm...@ad...>]

Re: [Simpleweb-Support] Connection reset

[Jan M. <jm...@ad...>]

Re: [Simpleweb-Support] Connection reset

[Niall G. <gal...@ya...>]

Hi Jan,

This could be a number of things, I notice that you
have wrapped the Respose.getOutputStream in a
LoggingOutputStream, perhaps this is doing something! 

Anyway, this type of error can happen if the browser
or client closes the connection while the data is
being sent, it can also happen if the browser is
refreshed as the content is being sent. The cause is
that the client closes its side of the socket before
the server has finished sending. There should be no
problem on the server side!

Regards
Niall

--- Jan Mikkelsen <jm...@ad...> wrote:

> Hi
> 
> I get this exception a lot:
> 2005-07-10 09:09:35,674  WARN [Thread-22]
> (LoggingOutputStream.java:167) -
> java.net.SocketException: Connection reset
> 2005-07-10 09:09:35,674  WARN [Thread-22]
> (LoggingOutputStream.java:167) -      at
> java.net.SocketOutputStream.socketWrite(Unknown
> Source)
> 2005-07-10 09:09:35,675  WARN [Thread-22]
> (LoggingOutputStream.java:167) -      at
> java.net.SocketOutputStream.write(Unknown Source)
> 2005-07-10 09:09:35,675  WARN [Thread-22]
> (LoggingOutputStream.java:167) -      at
> simple.http.MonitoredResponse.commit(Unknown Source)
> 2005-07-10 09:09:35,675  WARN [Thread-22]
> (LoggingOutputStream.java:167) -      at
> simple.http.MonitoredResponse.ensureCommit(Unknown
> Source)
> 2005-07-10 09:09:35,675  WARN [Thread-22]
> (LoggingOutputStream.java:167) -      at
>
simple.http.MonitoredResponse.getOutputChannel(Unknown
> Source)
> 2005-07-10 09:09:35,675  WARN [Thread-22]
> (LoggingOutputStream.java:167) -      at
> simple.http.ResponseStream.getOutputStream(Unknown
> Source)
> 2005-07-10 09:09:35,676  WARN [Thread-22]
> (LoggingOutputStream.java:167) -      at
> simple.http.ResponseStream.flushBuffer(Unknown
> Source)
> 2005-07-10 09:09:35,676  WARN [Thread-22]
> (LoggingOutputStream.java:167) -      at
> simple.http.ResponseStream.close(Unknown Source)
> 
> Here is my code:
> 
> private void sendImage(Response resp,
> ByteArrayOutputStream bo, Image image,
> String imageName)  throws IOException {
> 	OutputStream out = resp.getOutputStream(bo.size() +
> 1024);
> 	bo.writeTo(out);
> 	resp.set("Content-disposition",
> "attachement;filename=" +imageName);
> 	resp.set("Pragma", "no-cache"); 
> 	resp.set("Cache-Control", "no-cache"); 
> 	resp.set("Expires", "0"); 
> 	resp.set("Content-Type", image.getContentType());
> 	out.close();
> }
> 
> I hope that somebody on this list can spot an error
> here. 
> 
> Jan
> 
> 
>
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> 


Niall Gallagher


	
		
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Re: [Simpleweb-Support] Connection reset

[Michael \Luni\ L. <lun...@ya...>]

Jan,

Try setting all the headers first, before you write any data. 
In the HTTP response, the headers come first, and thus most
servers require that same order.

  Luni

--- Jan Mikkelsen <jm...@ad...> wrote:

> Hi
> 
> I get this exception a lot:
> 2005-07-10 09:09:35,674  WARN [Thread-22]
> (LoggingOutputStream.java:167) - java.net.SocketException:
> Connection reset
> 2005-07-10 09:09:35,674  WARN [Thread-22]
> (LoggingOutputStream.java:167) -      at
> java.net.SocketOutputStream.socketWrite(Unknown Source)
> 2005-07-10 09:09:35,675  WARN [Thread-22]
> (LoggingOutputStream.java:167) -      at
> java.net.SocketOutputStream.write(Unknown Source)
> 2005-07-10 09:09:35,675  WARN [Thread-22]
> (LoggingOutputStream.java:167) -      at
> simple.http.MonitoredResponse.commit(Unknown Source)
> 2005-07-10 09:09:35,675  WARN [Thread-22]
> (LoggingOutputStream.java:167) -      at
> simple.http.MonitoredResponse.ensureCommit(Unknown Source)
> 2005-07-10 09:09:35,675  WARN [Thread-22]
> (LoggingOutputStream.java:167) -      at
> simple.http.MonitoredResponse.getOutputChannel(Unknown Source)
> 2005-07-10 09:09:35,675  WARN [Thread-22]
> (LoggingOutputStream.java:167) -      at
> simple.http.ResponseStream.getOutputStream(Unknown Source)
> 2005-07-10 09:09:35,676  WARN [Thread-22]
> (LoggingOutputStream.java:167) -      at
> simple.http.ResponseStream.flushBuffer(Unknown Source)
> 2005-07-10 09:09:35,676  WARN [Thread-22]
> (LoggingOutputStream.java:167) -      at
> simple.http.ResponseStream.close(Unknown Source)
> 
> Here is my code:
> 
> private void sendImage(Response resp, ByteArrayOutputStream
> bo, Image image,
> String imageName)  throws IOException {
> 	OutputStream out = resp.getOutputStream(bo.size() + 1024);
> 	bo.writeTo(out);
> 	resp.set("Content-disposition", "attachement;filename="
> +imageName);
> 	resp.set("Pragma", "no-cache"); 
> 	resp.set("Cache-Control", "no-cache"); 
> 	resp.set("Expires", "0"); 
> 	resp.set("Content-Type", image.getContentType());
> 	out.close();
> }
> 
> I hope that somebody on this list can spot an error here. 
> 
> Jan
> 
> 
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> Sim...@li...
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> 

[Simpleweb-Support] Connection reset

[Jan M. <jm...@ad...>]

Hi

I get this exception a lot:
2005-07-10 09:09:35,674  WARN [Thread-22] (LoggingOutputStream.java:167) - java.net.SocketException: Connection reset
2005-07-10 09:09:35,674  WARN [Thread-22] (LoggingOutputStream.java:167) -      at java.net.SocketOutputStream.socketWrite(Unknown Source)
2005-07-10 09:09:35,675  WARN [Thread-22] (LoggingOutputStream.java:167) -      at java.net.SocketOutputStream.write(Unknown Source)
2005-07-10 09:09:35,675  WARN [Thread-22] (LoggingOutputStream.java:167) -      at simple.http.MonitoredResponse.commit(Unknown Source)
2005-07-10 09:09:35,675  WARN [Thread-22] (LoggingOutputStream.java:167) -      at simple.http.MonitoredResponse.ensureCommit(Unknown Source)
2005-07-10 09:09:35,675  WARN [Thread-22] (LoggingOutputStream.java:167) -      at simple.http.MonitoredResponse.getOutputChannel(Unknown Source)
2005-07-10 09:09:35,675  WARN [Thread-22] (LoggingOutputStream.java:167) -      at simple.http.ResponseStream.getOutputStream(Unknown Source)
2005-07-10 09:09:35,676  WARN [Thread-22] (LoggingOutputStream.java:167) -      at simple.http.ResponseStream.flushBuffer(Unknown Source)
2005-07-10 09:09:35,676  WARN [Thread-22] (LoggingOutputStream.java:167) -      at simple.http.ResponseStream.close(Unknown Source)

Here is my code:

private void sendImage(Response resp, ByteArrayOutputStream bo, Image image,
String imageName)  throws IOException {
	OutputStream out = resp.getOutputStream(bo.size() + 1024);
	bo.writeTo(out);
	resp.set("Content-disposition", "attachement;filename=" +imageName);
	resp.set("Pragma", "no-cache"); 
	resp.set("Cache-Control", "no-cache"); 
	resp.set("Expires", "0"); 
	resp.set("Content-Type", image.getContentType());
	out.close();
}

I hope that somebody on this list can spot an error here. 

Jan

Re: [Simpleweb-Support] Re: Simpleweb-Support digest, Vol 1 #72 - 2 msgs

[Niall G. <gal...@ya...>]

Hi,

You can download the demo package from the following
location. 

http://simpleweb.sourceforge.net/download/download.php?version=2.6&package=simple-demo-1.0.tar.gz

The source for the standalone server used in the demo
package can be extracted from the simple-demo-1.0.jar
file. You can use the following command:

jar -xvf simple-demo-1.0.jar

In the source look for the Java file
simple/demo/serve/Server.java, this contains the
source for running and configuring the server. Look
for a line in the Server.java file that contains the
following text

new VelocityContainer();

Change this to the following

new GroovyContainer(Server.context);

Also you might want to change the imports also. This
should work fine!

Niall





Niall Gallagher


		
__________________________________ 
Yahoo! Mail 
Stay connected, organized, and protected. Take the tour: 
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[Simpleweb-Support] Re: Simpleweb-Support digest, Vol 1 #72 - 2 msgs

[Maratib A. K. <mar...@jm...>]

Hi there,

i hv't found simple-demo-1.0 package in
the download page (http://simpleweb.sf.net/download).

can u mail it to me.

Scondly if u can help in creating a standalone server using Simple which can 
serve Groovey pages as well as direct classes extended from BasicService or 
ActiveService, that will be highly appreicated.

A student learning Simple :)

Maratib


----- Original Message ----- 
From: <sim...@li...>
To: <sim...@li...>
Sent: Monday, June 27, 2005 8:16 PM
Subject: Simpleweb-Support digest, Vol 1 #72 - 2 msgs


> Send Simpleweb-Support mailing list submissions to
> sim...@li...
>
> To subscribe or unsubscribe via the World Wide Web, visit
> https://lists.sourceforge.net/lists/listinfo/simpleweb-support
> or, via email, send a message with subject or body 'help' to
> sim...@li...
>
> You can reach the person managing the list at
> sim...@li...
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Simpleweb-Support digest..."
>
>
> Today's Topics:
>
>   1. Service and Template serving (Maratib Ali Khan)
>   2. Re: Service and Template serving (Niall Gallagher)
>
> --__--__--
>
> Message: 1
> From: "Maratib Ali Khan" <ma...@ga...>
> To: <sim...@li...>
> Date: Mon, 27 Jun 2005 05:09:24 -0700
> Subject: [Simpleweb-Support] Service and Template serving
> Reply-To: sim...@li...
>
> This is a multi-part message in MIME format.
>
> ------=_NextPart_000_009C_01C57AD6.62B905D0
> Content-Type: text/plain;
> charset="iso-8859-1"
> Content-Transfer-Encoding: quoted-printable
>
> hi there
>
> how can i make the simple web server to server velocity pages as well as =
> normal services extended from BasicService
>
>
> regards
>
> Maratib
>
> ------=_NextPart_000_009C_01C57AD6.62B905D0
> Content-Type: text/html;
> charset="iso-8859-1"
> Content-Transfer-Encoding: quoted-printable
>
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
> <HTML><HEAD>
> <META http-equiv=3DContent-Type content=3D"text/html; =
> charset=3Diso-8859-1">
> <META content=3D"MSHTML 6.00.2900.2668" name=3DGENERATOR>
> <STYLE></STYLE>
> </HEAD>
> <BODY bgColor=3D#ffffff>
> <DIV><FONT face=3DArial size=3D2>hi there</FONT></DIV>
> <DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2>how can i make the simple web server to =
> server=20
> velocity pages as well as normal services extended from=20
> BasicService</FONT></DIV>
> <DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2>regards</FONT></DIV>
> <DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2>Maratib</FONT></DIV>
> <DIV>&nbsp;</DIV></BODY></HTML>
>
> ------=_NextPart_000_009C_01C57AD6.62B905D0--
>
>
>
> --__--__--
>
> Message: 2
> Date: Mon, 27 Jun 2005 06:45:28 -0700 (PDT)
> From: Niall Gallagher <gal...@ya...>
> Subject: Re: [Simpleweb-Support] Service and Template serving
> To: sim...@li...
> Reply-To: sim...@li...
>
> Hi,
>
> If you have a look at the simple-demo-1.0 package in
> the download page (http://simpleweb.sf.net/download)
> you can see a demo server implementation which serves
> velocity templates. What you can do is take a look at
> the services implemented here.
>
> Looking at the mapper.properties file you'll see path
> references paired with service class names. This is
> how Simple serves a resource using a Service. In here
> you can place the name of your BasicService
> implementation. Simple makes no distinction between
> types of services it loads. For example:
>
>
> package test;
>
> public class MyService extends BasicService {
>
>   public MyService(Context context) {
>      super(context);
>   }
>
>   // etc ...
> }
>
>
> And in mapper.properties you would add the following
> entry:
>
> /path/*=test.MyService
>
> This should work!
>
> Regards
> Niall
>
>
>
>
> --- Maratib Ali Khan <ma...@ga...> wrote:
>
>> hi there
>>
>> how can i make the simple web server to server
>> velocity pages as well as normal services extended
>> from BasicService
>>
>>
>> regards
>>
>> Maratib
>>
>
>
> Niall Gallagher
>
> __________________________________________________
> Do You Yahoo!?
> Tired of spam?  Yahoo! Mail has the best spam protection around
> http://mail.yahoo.com
>
>
>
> --__--__--
>
> _______________________________________________
> Simpleweb-Support mailing list
> Sim...@li...
> https://lists.sourceforge.net/lists/listinfo/simpleweb-support
>
>
> End of Simpleweb-Support Digest 

Re: [Simpleweb-Support] Service and Template serving

[Niall G. <gal...@ya...>]

Hi,

If you have a look at the simple-demo-1.0 package in
the download page (http://simpleweb.sf.net/download)
you can see a demo server implementation which serves
velocity templates. What you can do is take a look at
the services implemented here. 

Looking at the mapper.properties file you'll see path
references paired with service class names. This is
how Simple serves a resource using a Service. In here
you can place the name of your BasicService
implementation. Simple makes no distinction between
types of services it loads. For example:


package test;

public class MyService extends BasicService {

   public MyService(Context context) {
      super(context);
   }

   // etc ...
}


And in mapper.properties you would add the following
entry:

/path/*=test.MyService

This should work! 

Regards
Niall




--- Maratib Ali Khan <ma...@ga...> wrote:

> hi there
> 
> how can i make the simple web server to server
> velocity pages as well as normal services extended
> from BasicService
> 
> 
> regards
> 
> Maratib
> 


Niall Gallagher

__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
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[Simpleweb-Support] Service and Template serving

[Maratib A. K. <ma...@ga...>]

hi there

how can i make the simple web server to server velocity pages as well as =
normal services extended from BasicService


regards

Maratib

[Simpleweb-Support] Simple 2.6 Released

[Niall G. <gal...@ya...>]

Hello All,
 
I have relased version 2.6, which contains some major
enhancements for error reporting as well as features
which make HTTP redirects and forwards much simpler.
This release should greatly reduce debugging problems,
which often arise when exceptions are not reported
clearly.
 
Niall

Niall Gallagher


		
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RE: [Simpleweb-Support] outputstream flush in BasicResource

[Christophe R. <cr...@ac...>]

Yes, the output stream is wrapped in a GZIPOutputStream:

  /**
   * Returns a GZIPOutputStream.
   * @see simple.http.Response#getOutputStream(int)
   */
  public OutputStream getOutputStream(int size) throws IOException {
    return new GZIPOutputStream(resp.getOutputStream(), size);
  }

Christophe

> -----Original Message-----
> From: sim...@li... [mailto:simpleweb-
> sup...@li...] On Behalf Of Niall Gallagher
> Sent: Wednesday, May 18, 2005 3:08 PM
> To: sim...@li...
> Subject: Re: [Simpleweb-Support] outputstream flush in BasicResource
> 
> Hi Christophe,
> 
> Ill have a look into it, I would imagine that this is
> a problem with output buffering done. Do you override
> or interfere with the Request.getOutputStream at any
> point?
> 
> Niall
> 
> --- Christophe Roudet <cr...@ac...> wrote:
> > Hi,
> >
> > I a using simpleweb to do some remote invocation
> > with the Spring framework.
> > Works like a charm, I just have a little problem on
> > error processing:
> >
> > I have a class that extends ProtocolHandler, it just
> > checks if the request
> > is zipped and does the appropriate treatment if
> > needed (wrapped the stream
> > in a gzip stream). I then have a class that extends
> > BasicService that simply
> > do the method invocation.
> >
> > The only problem I have is with a corrupted zip
> > request. An Exception is
> > raised and processed by BasicResource:
> >
> > public void process(Request req, Response resp,
> > Report report) throws
> > Exception{
> >       Format format = context.getFormat();
> >       byte[] page = format.getMessage(
> >          context, req.getURI(), report);
> >
> >       resp.setCode(report.getCode());
> >       resp.setText(report.getText());
> >       resp.setDate("Date",
> > System.currentTimeMillis());
> >       resp.setContentLength(page.length);
> >       resp.set("Content-Type",
> > format.getMimeType());
> >       resp.getOutputStream().write(page);
> >       // --
> >       resp.getOutputStream().flush(); // flush added
> >
> >       resp.getOutputStream().close();
> >    }
> >
> > I have added a flush on the stream otherwise the
> > response is not received by
> > the client.
> > I don't know if it is a bug but it fixed my little
> > problem.
> >
> > Christophe
> >
> >
> >
> >
> >
> >
> -------------------------------------------------------
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> > _______________________________________________
> > Simpleweb-Support mailing list
> > Sim...@li...
> >
> https://lists.sourceforge.net/lists/listinfo/simpleweb-support
> >
> 
> Niall Gallagher
> 
> 
> 
> __________________________________
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> 
> -------------------------------------------------------
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> Sim...@li...
> https://lists.sourceforge.net/lists/listinfo/simpleweb-support

Re: [Simpleweb-Support] outputstream flush in BasicResource

[Niall G. <gal...@ya...>]

Hi Christophe,

Ill have a look into it, I would imagine that this is
a problem with output buffering done. Do you override
or interfere with the Request.getOutputStream at any
point?

Niall

--- Christophe Roudet <cr...@ac...> wrote:
> Hi,
> 
> I a using simpleweb to do some remote invocation
> with the Spring framework.
> Works like a charm, I just have a little problem on
> error processing:
> 
> I have a class that extends ProtocolHandler, it just
> checks if the request
> is zipped and does the appropriate treatment if
> needed (wrapped the stream
> in a gzip stream). I then have a class that extends
> BasicService that simply
> do the method invocation.
> 
> The only problem I have is with a corrupted zip
> request. An Exception is
> raised and processed by BasicResource:
> 
> public void process(Request req, Response resp,
> Report report) throws
> Exception{
>       Format format = context.getFormat();
>       byte[] page = format.getMessage(
>          context, req.getURI(), report);     
>          
>       resp.setCode(report.getCode());
>       resp.setText(report.getText());
>       resp.setDate("Date",
> System.currentTimeMillis());
>       resp.setContentLength(page.length);
>       resp.set("Content-Type",
> format.getMimeType());
>       resp.getOutputStream().write(page);
>       // --
>       resp.getOutputStream().flush(); // flush added
> 
>       resp.getOutputStream().close();     
>    }   
> 
> I have added a flush on the stream otherwise the
> response is not received by
> the client.
> I don't know if it is a bug but it fixed my little
> problem.
> 
> Christophe
> 
> 
> 
> 
> 
>
-------------------------------------------------------
> This SF.Net email is sponsored by Oracle Space
> Sweepstakes
> Want to be the first software developer in space?
> Enter now for the Oracle Space Sweepstakes!
>
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> _______________________________________________
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> 

Niall Gallagher


		
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[Simpleweb-Support] outputstream flush in BasicResource

[Christophe R. <cr...@ac...>]

Hi,

I a using simpleweb to do some remote invocation with the Spring framework.
Works like a charm, I just have a little problem on error processing:

I have a class that extends ProtocolHandler, it just checks if the request
is zipped and does the appropriate treatment if needed (wrapped the stream
in a gzip stream). I then have a class that extends BasicService that simply
do the method invocation.

The only problem I have is with a corrupted zip request. An Exception is
raised and processed by BasicResource:

public void process(Request req, Response resp, Report report) throws
Exception{
      Format format = context.getFormat();
      byte[] page = format.getMessage(
         context, req.getURI(), report);     
         
      resp.setCode(report.getCode());
      resp.setText(report.getText());
      resp.setDate("Date", System.currentTimeMillis());
      resp.setContentLength(page.length);
      resp.set("Content-Type", format.getMimeType());
      resp.getOutputStream().write(page);
      // --
      resp.getOutputStream().flush(); // flush added

      resp.getOutputStream().close();     
   }   

I have added a flush on the stream otherwise the response is not received by
the client.
I don't know if it is a bug but it fixed my little problem.

Christophe

Re: [Simpleweb-Support] PatternMapper load from classpath

[Niall G. <gal...@ya...>]

Hi Padraic,

Yes, I have had a look, and the PatternResolver does
not acquire the properties directly from
getProperties. I must add a Locator.getInputStream
method to make it easier to acquire the properties
from JAR files located in the classpath via the
ClassLoader.getResourceAsStream method.

Regards
Niall

--- Padraic Renaghan <pre...@cs...> wrote:
> Just tried that...  Doesn't work. But it got me
> closer...
> 
> Issue seems to be that PatternMapper acquires the
> mapper.properties file 
> via getFile()
> and/or getLocation and not getProperties().
> 
> Overriding getFile did the trick.
> 
>   public File getFile(String name) throws
> LocateException {
>       URL url =
> this.getClass().getClassLoader().getResource(name);
>       if (url != null) {
>         String path = url.toExternalForm();
>         if (path.startsWith("file:")) {
>           return new File(path.substring(5));
>         }
>       }
>       return super.getFile(name);
>     }¨
> 
> Thanks.
> 
> 
> 
> 
> 
> 
> 
> Niall Gallagher <gal...@ya...>
> Sent by:
> sim...@li...
> 05/17/2005 02:40 PM
> Please respond to simpleweb-support
> 
>  
>         To:    
> sim...@li...
>         cc: 
>         Subject:        Re: [Simpleweb-Support]
> PatternMapper load from classpath
> 
> 
> Hi Padraic,
> 
> Subclass the Context object and re-write the
> getLocator so that it acquires the properties from
> the
> classpath. Done!
> 
> Niall
> 
> --- Padraic Renaghan <pre...@cs...> wrote:
> > What is the best way for me to get PatternMapper
> to
> > load mapper.properties
> > from the classpath?
> > I thought about extending it, but its all final
> and
> > private.
> > Other ideas?
> > 
> > Thanks,
> > Padraic
> > 
> > 
> > 
> >
>
-------------------------------------------------------
> > This SF.Net email is sponsored by Oracle Space
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> > Enter now for the Oracle Space Sweepstakes!
> >
>
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> > _______________________________________________
> > Simpleweb-Support mailing list
> > Sim...@li...
> >
>
https://lists.sourceforge.net/lists/listinfo/simpleweb-support
> > 
> 
> Niall Gallagher
> 
> 
>  
> __________________________________ 
> Do you Yahoo!? 
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> more. 
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> 
>
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> _______________________________________________
> Simpleweb-Support mailing list
> Sim...@li...
>
https://lists.sourceforge.net/lists/listinfo/simpleweb-support
> 
> 
> 
> 
> 
> 
>
-------------------------------------------------------
> This SF.Net email is sponsored by Oracle Space
> Sweepstakes
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> _______________________________________________
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> Sim...@li...
>
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> 

Niall Gallagher


		
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Re: [Simpleweb-Support] PatternMapper load from classpath

[Padraic R. <pre...@cs...>]

Just tried that...  Doesn't work. But it got me closer...

Issue seems to be that PatternMapper acquires the mapper.properties file=20
via getFile()
and/or getLocation and not getProperties().

Overriding getFile did the trick.

  public File getFile(String name) throws LocateException {
      URL url =3D this.getClass().getClassLoader().getResource(name);
      if (url !=3D null) {
        String path =3D url.toExternalForm();
        if (path.startsWith("file:")) {
          return new File(path.substring(5));
        }
      }
      return super.getFile(name);
    }=A8

Thanks.







Niall Gallagher <gallagher=5F...@ya...>
Sent by: sim...@li...
05/17/2005 02:40 PM
Please respond to simpleweb-support

=20
        To:     sim...@li...
        cc:=20
        Subject:        Re: [Simpleweb-Support] PatternMapper load from cla=
sspath


Hi Padraic,

Subclass the Context object and re-write the
getLocator so that it acquires the properties from the
classpath. Done!

Niall

--- Padraic Renaghan <pre...@cs...> wrote:
> What is the best way for me to get PatternMapper to
> load mapper.properties
> from the classpath?
> I thought about extending it, but its all final and
> private.
> Other ideas?
>=20
> Thanks,
> Padraic
>=20
>=20
>=20
>
-------------------------------------------------------
> This SF.Net email is sponsored by Oracle Space
> Sweepstakes
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> Enter now for the Oracle Space Sweepstakes!
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> =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F
> Simpleweb-Support mailing list
> Sim...@li...
>
https://lists.sourceforge.net/lists/listinfo/simpleweb-support
>=20

Niall Gallagher


=20
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
=5F=5F=5F=5F=5F=5F=5F=5F=5F=20
Do you Yahoo!?=20
Yahoo! Mail - now with 250MB free storage. Learn more.=20
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Re: [Simpleweb-Support] PatternMapper load from classpath

[Niall G. <gal...@ya...>]

Hi Padraic,

Subclass the Context object and re-write the
getLocator so that it acquires the properties from the
classpath. Done!

Niall

--- Padraic Renaghan <pre...@cs...> wrote:
> What is the best way for me to get PatternMapper to
> load mapper.properties
> from the classpath?
> I thought about extending it, but its all final and
> private.
> Other ideas?
> 
> Thanks,
> Padraic
> 
> 
> 
>
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Niall Gallagher


		
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[Simpleweb-Support] PatternMapper load from classpath

[Padraic R. <pre...@cs...>]

What is the best way for me to get PatternMapper to load mapper.properties
from the classpath?
I thought about extending it, but its all final and private.
Other ideas?

Thanks,
Padraic