Re: [jboss-user] [jBPM] - task for multiple users
by Huisheng Xu
Huisheng Xu [http://community.jboss.org/people/rebody] replied to the discussion
"task for multiple users"
To view the discussion, visit: http://community.jboss.org/message/535363#535363
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Hi koen,
In China, this feature is very normal for most company, and we called it 'Counter Sign'. Unfortunately there is no nature support for this feature, so if you want to assign task to multiple users, you should do it by yourself.
For example, you could use CustomActivity and create a ExternalActivityBehavior to implement this feature, you can create multiple tasks for there users and assign a task for each of them, In jBPM 4, task could have sub tasks.
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14 years, 9 months
[EJB 3.0] - Stateless Pooling In JBoss AS.
by paata lominadze
paata lominadze [http://community.jboss.org/people/grdzeli_kaci] created the discussion
"Stateless Pooling In JBoss AS."
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hi all,
I have strange problem.
My Env:
1. OS Sun Solaris Sparc
2.Application Server jboss-4.2.3.GA
3.java Oracle JRockit(R) version "1.6.0_05"
4.Ext. Lib. Apache http Client ( http://hc.apache.org/httpclient-3.x/ http://hc.apache.org/httpclient-3.x/)
I have one stateless session bean which sends SMS Message to mobile using http client.
my session bean looks like :
@Stateless
@Remote(CommonFasade.class)
public class CommonFasadeBean implements CommonFasade {
private HttpClient httpClient = null;
public HttpClient getHttpClient() {
if (httpClient == null) {
SimpleHttpConnectionManager manager = new SimpleHttpConnectionManager();
manager.getParams().setConnectionTimeout(5000);
manager.getParams().setSoTimeout(5000);
httpClient = new HttpClient(manager);
}
return httpClient;
}
public void sendSMS(String fullSms, String phone, String from) {
HttpClient httpClient = getHttpClient();
phone = Utils.trimPhone(phone);
phone = getPhone(phone);
if (phone == null) {
return;
}
String sendToPhone = null;
switch (phone.length()) {
case 8:
sendToPhone = "%s2B995" + phone;
break;
case 9:
sendToPhone = "%s2B995" + phone.substring(1);
break;
default:
return;
}
String url = " http://192.168.19.194:13013/cgi-bin/sendsms?from= http://192.168.19.194:13013/cgi-bin/sendsms?from=" + from
+ "&username=1&password=1&to=" + sendToPhone + "&text=%s";
long sc = -999;
try {
for (String sms : prepareSmsList(fullSms)) {
GetMethod method = new GetMethod(String.format(url, "%", sms));
try {
sc = httpClient.executeMethod(method);
if (sc == HttpStatus.SC_ACCEPTED) {
String response = method.getResponseBodyAsString();
if (response.toLowerCase().indexOf("sent") != -1) {
logSMS(sms, phone, from);
}
}
} finally {
method.releaseConnection();
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
this code worked for tree years, but problem appeard some days ago.
every second or third day my jboss application server crashes.
when i trying to find promlem i found this :
1. into solaris :
"netstat -an|grep 192.168.19.194|wc -l (this is SMS sender HTTP server)"
and result was : 12678
this is client socket connections from my jboss as, all of them is on a CLOSE_WAIT state.
After this when i looking into the jmx-console i found this :
http://community.jboss.org/servlet/JiveServlet/showImage/2469/MBeanView.jpeg http://community.jboss.org/servlet/JiveServlet/downloadImage/2469/450-264...
My question is why i have 12826 stateless session bean isntances into as ?
Into my jboss as stateless session pool config max size is 30.
i think that something changed into HTTP Server or into network.
but i need workarount of this porblem .
is this pattern right for using http clients ? Maybe it will be more correct to use MDB for this ?
when current size of my stateless session bean achieve 40000 the jboss as going down.
can anybody help me what should i do ???
___________________
Regards,
Paata Lominadze.
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14 years, 9 months