unknown
1970-01-01 00:00:00 UTC
Is this a known behavior?
What are the implications if I comment CMC?
Thanks.
Below are code snippets from test:
@Service
public class TestingService
{
public static int numberOfThreads=2;
public static void start() throws Exception
{
startTest(numberOfThreads);
}
public static void startTest(int threadNumber) throws InterruptedException
{
Thread [] threads = new Thread[threadNumber];
for (int i=0;i< threadNumber;i++)
{
Thread t = new Thread()
{
public void run()
{
Client testClient = new Client();
testClient.processNumber(Math.round(Math.random()*1000));
testClient.destroy();
}
};
t.start();
threads[i] = t;
}
for(int i=0; i<threadNumber; i++)
{
threads[i].join();
}
}
}
public class Client
{
IGenericSFB genericSFB;
public Client()
{
genericSFB = (IGenericSFB) ServiceLocator.getLocalService(GenericSFB.class.getSimpleName());
System.out.println("This address " + genericSFB + " " + genericSFB.hashCode());
}
public void processNumber(Long number)
{
System.out.println("Client - Start incrementing " + number);
genericSFB.incrementNumber(number);
System.out.println("Client - Finish incrementing " + number);
}
...
@Stateful
public class GenericSFB implements IGenericSFB, Serializable
{
private int number;
private String stuff;
private String someOtherStuff;
public Long incrementNumber(Long number)
{
System.out.println("SFB - start incrementing number " + number + " by " + this);
try
{
Thread.currentThread().sleep(10000);
}
catch (InterruptedException e){}
System.out.println("SFB - finish incrementing number " + number);
return 0L;
}
...
--------------------------------------------------------------
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JBoss 6.1.0.Final SFSB concurrency issue
</h3>
<span style="margin-bottom: 10px;">
created by <a href="https://community.jboss.org/people/PopOctavian">Octavian Pop</a> in <i>EJB3</i> - <a href="https://community.jboss.org/message/828891#828891">View the full discussion</a>
</span>
<hr style="margin: 20px 0; border: none; background-color: #dadada; height: 1px;">
<div class="jive-rendered-content"><p>Hi,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I am trying to run a test to investigate a performace issue after upgrading from JBoss 4.0.5 to 6.1. For this I use a simple test application with a service which starts threads, each thread looks-up a SFSB instace and execute a method to increment a number. </p><p>
What are the implications if I comment CMC?
Thanks.
Below are code snippets from test:
@Service
public class TestingService
{
public static int numberOfThreads=2;
public static void start() throws Exception
{
startTest(numberOfThreads);
}
public static void startTest(int threadNumber) throws InterruptedException
{
Thread [] threads = new Thread[threadNumber];
for (int i=0;i< threadNumber;i++)
{
Thread t = new Thread()
{
public void run()
{
Client testClient = new Client();
testClient.processNumber(Math.round(Math.random()*1000));
testClient.destroy();
}
};
t.start();
threads[i] = t;
}
for(int i=0; i<threadNumber; i++)
{
threads[i].join();
}
}
}
public class Client
{
IGenericSFB genericSFB;
public Client()
{
genericSFB = (IGenericSFB) ServiceLocator.getLocalService(GenericSFB.class.getSimpleName());
System.out.println("This address " + genericSFB + " " + genericSFB.hashCode());
}
public void processNumber(Long number)
{
System.out.println("Client - Start incrementing " + number);
genericSFB.incrementNumber(number);
System.out.println("Client - Finish incrementing " + number);
}
...
@Stateful
public class GenericSFB implements IGenericSFB, Serializable
{
private int number;
private String stuff;
private String someOtherStuff;
public Long incrementNumber(Long number)
{
System.out.println("SFB - start incrementing number " + number + " by " + this);
try
{
Thread.currentThread().sleep(10000);
}
catch (InterruptedException e){}
System.out.println("SFB - finish incrementing number " + number);
return 0L;
}
...
--------------------------------------------------------------
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Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<body link="#355491" alink="#4262a1" vlink="#355491" style="background: #e2e2e2; margin: 0; padding: 20px;">
<div>
<table cellpadding="0" bgcolor="#FFFFFF" border="0" cellspacing="0" style="border: 1px solid #dadada; margin-bottom: 30px; width: 100%; -moz-border-radius: 6px; -webkit-border-radius: 6px;">
<tbody>
<tr>
<td>
<table border="0" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF" style="border: solid 2px #ccc; background: #dadada; width: 100%; -moz-border-radius: 6px; -webkit-border-radius: 6px;">
<tbody>
<tr>
<td bgcolor="#000000" valign="middle" height="58px" style="border-bottom: 1px solid #ccc; padding: 20px; -moz-border-radius-topleft: 3px; -moz-border-radius-topright: 3px; -webkit-border-top-right-radius: 5px; -webkit-border-top-left-radius: 5px;">
<h1 style="color: #333333; font: bold 22px Arial, Helvetica, sans-serif; margin: 0; display: block !important;">
<!-- To have a header image/logo replace the name below with your img tag -->
<!-- Email clients will render the images when the message is read so any image -->
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<a href="https://community.jboss.org/index.jspa" style="text-decoration: none; color: #E1E1E1">JBoss Community</a></h1>
</td>
</tr>
<tr>
<td bgcolor="#FFFFFF" style="font: normal 12px Arial, Helvetica, sans-serif; color:#333333; padding: 20px; -moz-border-radius-bottomleft: 4px; -moz-border-radius-bottomright: 4px; -webkit-border-bottom-right-radius: 5px; -webkit-border-bottom-left-radius: 5px;"><h3 style="margin: 10px 0 5px; font-size: 17px; font-weight: normal;">
JBoss 6.1.0.Final SFSB concurrency issue
</h3>
<span style="margin-bottom: 10px;">
created by <a href="https://community.jboss.org/people/PopOctavian">Octavian Pop</a> in <i>EJB3</i> - <a href="https://community.jboss.org/message/828891#828891">View the full discussion</a>
</span>
<hr style="margin: 20px 0; border: none; background-color: #dadada; height: 1px;">
<div class="jive-rendered-content"><p>Hi,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I am trying to run a test to investigate a performace issue after upgrading from JBoss 4.0.5 to 6.1. For this I use a simple test application with a service which starts threads, each thread looks-up a SFSB instace and execute a method to increment a number. </p><p>