Hi Camel Community,
I am having a web application project.
For every incoming request I am creating a thread that fulfills the
request. For fulfilling the request the thread uses Camel Framework to
communicate with the external entities such as Servlets, WebServices, etc.
The problem I am facing is Camel is creating some internal threads and
these internal threads are not getting closed. I am getting Severe Warnings
in the tomcat log file stating that the threads were not closed.
To prove my point, I wrote a simple java program. The main() method is:
public static void main(String str[]) {
try {
CamelContext cc = new DefaultCamelContext();
cc.addRoutes(new RouteBuilder() {
public void configure() {
from("direct:start1").
to("cxf://http://localhost:8080/JAXWS1/MyInterfaceImpl?serviceClass=com.syed.MyInterface&serviceName={http://syed.com/}MyInterfaceImplService&portName={http://syed.com/}MyInterfaceImplPort";);
//
}
});
cc.start();
ProducerTemplate t = cc.createProducerTemplate();
int annsal = t.requestBody("direct:start1", 10000,
Integer.class);
System.out.println("annsal:" + annsal);
//cc.getShutdownStrategy().setTimeUnit(TimeUnit.SECONDS);
//cc.getShutdownStrategy().setTimeout(1);
t.stop();
cc.stop();
//cc.getShutdownStrategy().setShutdownNowOnTimeout(true);
//Thread.sleep(3000);
} catch (Exception i) {
i.printStackTrace();
}
}
}
To my surpise even after the main() is finished, the application is still
running. It did not stop even after atleast 10 minutes. I wanted to find
out what threads are running.
This is the list of threads I got.
Thread[I/O dispatcher 2,5,main]
Thread[I/O dispatcher 3,5,main]
Thread[I/O dispatcher 4,5,main]
Thread[main,5,main]
Thread[Finalizer,8,system]
Thread[Reference Handler,10,system]
Thread[Signal Dispatcher,9,system]
Thread[default-workqueue-1,5,default-workqueue]
Thread[GC Daemon,2,system]
Thread[I/O dispatcher 1,5,main]
Thread[Thread-1,5,main]
With this, I am concluding there is a bug in Camel Framework or there is a
bug in the utilities that Camel is using such as CXF, etc.
I am worried if this will cause memory leaks in my project.
Can the camel experts help me please?
Thanks,
Syed.
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