Hi,
I have developed a simple CTIOS monitor application which just catches the OnCallDelivered and OnCallEstablished events and prints some log on console. But when i run this application, it eats up all the JVM memory. I have also tried it running with the options -Xmn100M -Xms500M -Xmx500M but no difference, increasing JVM memory just delays the OutOfMemory exception error. I have analyzed my applicaiton with JConsole and found that memory is not being released by the GC and used memory is increasing continuously (which ultimately results in out of memory exception error). We are using CTIOS Server version 7.5 in our contact center. Following is my code:
public class Driver implements IGenericEvents, CtiOs_Enums.EventID {
CtiOsSession vCtiOsSession;
public static void main(String[] args) {
new Driver();
}
public Driver() {
boolean error=false;
tg = new ThreadGroup("AnserMachine threads group");
Properties p = new Properties();
try {
p.load(new FileInputStream("config.ini"));
} catch (FileNotFoundException e) {
System.out.println("Configuration file 'config.ini' NOT FOUND ...\n");
error=true;
} catch (IOException e) {
System.out.println("ERROR in READING configuration file 'config.ini' ...\n");
error=true;
}
if(!error) {
// Check if connection parameters are there in configuration file
if(p.getProperty("CTIOSA")==null || p.getProperty("CTIOSB")==null ||
p.getProperty("PORTA")==null || p.getProperty("PORTB")==null) {
System.out.println("Error encountered, Configurations missing. Try again later !");
System.exit(0);
}
// Connect to CTIOS Server
vCtiOsSession = new CtiOsSession();
vCtiOsSession.AddEventListener(this, CtiOs_Enums.SubscriberList.eAllInOneList);
Arguments args = new Arguments();
args.SetValue(CtiOs_IKeywordIDs.CTIOS_CTIOSA, p.getProperty("CTIOSA"));
args.SetValue(CtiOs_IKeywordIDs.CTIOS_PORTA, p.getProperty("PORTA"));
args.SetValue(CtiOs_IKeywordIDs.CTIOS_CTIOSB, p.getProperty("CTIOSB"));
args.SetValue(CtiOs_IKeywordIDs.CTIOS_PORTB, p.getProperty("PORTB"));
args.SetValue(CtiOs_IKeywordIDs.CTIOS_HEARTBEAT, 60);
pauseTime = p.getProperty("PAUSE");
int connectionStatus = vCtiOsSession.Connect(args);
// Check if connection established
if(connectionStatus==1) {
System.out.println("Connecting to Server ...");
}
else {
System.out.println("Application Failed, Verify connection settings and try again !");
System.exit(0);
}
}
else {
System.out.println("Error encountered, quiting application. Try again later !");
}
}
public void OnEvent(int eventId, Arguments args) {
switch(eventId) {
case eOnConnection:
OnConnection(args);
break;
case eOnConnectionClosed:
OnConnectionClosed(args);
break;
case eOnConnectionFailure:
OnConnectionFailure(args);
break;
case eCTIOSFailureEvent:
OnCtiosFailure(args);
break;
case eCallDeliveredEvent:
OnCallDelivered(args);
break;
case eCallEstablishedEvent:
OnCallEstablished(args);
break;
case eAnswerCallRequest:
OnCallEstablished(args);
break;
}
}
public void OnCallEstablished(Arguments eventArgs) {
String uniqueObjId = eventArgs.GetValue(CtiOs_IKeywordIDs.CTIOS_UNIQUEOBJECTID)+"";
String extNum = uniqueObjId.substring(uniqueObjId.lastIndexOf('.')+1, uniqueObjId.length());
System.out.println("Call ANSWERED at: "+extNum);
}
public void OnCallDelivered(Arguments eventArgs) {
String uniqueObjId = eventArgs.GetValue(CtiOs_IKeywordIDs.CTIOS_UNIQUEOBJECTID)+"";
String extNum = uniqueObjId.substring(uniqueObjId.lastIndexOf('.')+1, uniqueObjId.length());
if(Call.eCallConnectionAlerting==Integer.parseInt(eventArgs.GetValue(CtiOs_IKeywordIDs.CTIOS_CALLSTATUS)+"")) {
System.out.println("Call Ringing at: "+extNum);
}
}
public void OnConnection(Arguments eventArgs) {
Arguments args = new Arguments();
String filter = "messageid=" + CtiOs_Enums.EventID.eCallDeliveredEvent+
","+ CtiOs_Enums.EventID.eCallEstablishedEvent;
args.SetValue(CtiOs_IKeywordIDs.CTIOS_FILTER, filter);
int returnValue = vCtiOsSession.SetMessageFilter(args);
System.out.println("Application Started ..., [Filter Status:"+returnValue+"] ...");
}
public void OnConnectionClosed(Arguments eventArgs) {
System.out.println("DEBUG: Connection has been CLOSED ...");
}
public void OnConnectionFailure(Arguments eventArgs) {
System.out.println("DEBUG: Connection has been FAILED ...");
}
public void OnCtiosFailure(Arguments eventArgs) {
System.out.println("Ctios has been FAILED ...");
}
}
I have also tried to dump the heap using
jmap -dump:format=b,file=c:/tmp/heap.bin 75828
and then visualized this heap dump using
jhat -J-Xmx326m c:/tmp/heap.bin
Which clearly indicated that Instances of some of the CIL objects in memmory are continuously increasing. Following is part of the dum that shows this:
DUMP 1
67379 instances of class com.cisco.cti.ctios.cil.Arg
5800 instances of class com.cisco.cti.ctios.cil.Arguments
1810 instances of class com.cisco.cti.ctios.cil.CilRefArg
1808 instances of class com.cisco.cti.ctios.cil.Call
759 instances of class com.cisco.cti.ctios.util.CtiOs_KeyInfo
419 instances of class com.cisco.cti.ctios.util.LogEvent
258 instances of class com.cisco.cti.ctios.cil.CilPacket
257 instances of class com.cisco.cti.ctios.cil.ServiceMessage
257 instances of class com.cisco.cti.ctios.util.Serialize
13 instances of class com.cisco.cti.ctios.util.UnNamedEvent
4 instances of class com.cisco.cti.ctios.cil.CilObjectFactoryArg
DUMP 2
77684 instances of class com.cisco.cti.ctios.cil.Arg
6676 instances of class com.cisco.cti.ctios.cil.Arguments
2202 instances of class com.cisco.cti.ctios.cil.CilRefArg
2200 instances of class com.cisco.cti.ctios.cil.Call
759 instances of class com.cisco.cti.ctios.util.CtiOs_KeyInfo
54 instances of class com.cisco.cti.ctios.util.LogEvent
45 instances of class com.cisco.cti.ctios.cil.ServiceMessage
36 instances of class com.cisco.cti.ctios.cil.CilPacket
35 instances of class com.cisco.cti.ctios.util.Serialize
13 instances of class com.cisco.cti.ctios.util.UnNamedEvent
4 instances of class com.cisco.cti.ctios.cil.CilObjectFactoryArg
DUMP 3
92086 instances of class com.cisco.cti.ctios.cil.Arg
7918 instances of class com.cisco.cti.ctios.cil.Arguments
2572 instances of class com.cisco.cti.ctios.cil.CilRefArg
2570 instances of class com.cisco.cti.ctios.cil.Call
759 instances of class com.cisco.cti.ctios.util.CtiOs_KeyInfo
225 instances of class com.cisco.cti.ctios.util.LogEvent
140 instances of class com.cisco.cti.ctios.cil.CilPacket
139 instances of class com.cisco.cti.ctios.cil.ServiceMessage
139 instances of class com.cisco.cti.ctios.util.Serialize
13 instances of class com.cisco.cti.ctios.util.UnNamedEvent
4 instances of class com.cisco.cti.ctios.cil.CilObjectFactoryArg
Any idea, what i am doing wrong? How can i prevent out of memory exception error. Please help me.
Regards,
Akeel
