2:54 p.m.
EJB3 Remoting cause BindException on load
-----------------------------------------
Key: EJBTHREE-986
URL: http://jira.jboss.com/jira/browse/EJBTHREE-986
Project: EJB 3.0
Issue Type: Bug
Affects Versions: AS 4.2.0 GA
Environment: JBoss 4.2.0 GA, JDK 1.5.0_08-b03, Windows XP SP2
Reporter: Yvan Borgne
After a lot of call (>3000) to an EJB3 SLSB this exception is throwed :
org.jboss.remoting.CannotConnectException: Can not get connection to server. Problem
establishing socket connection for InvokerLocator [socket://127.0.0.1:3873/]
at
org.jboss.remoting.transport.socket.MicroSocketClientInvoker.transport(MicroSocketClientInvoker.java:530)
at org.jboss.remoting.MicroRemoteClientInvoker.invoke(MicroRemoteClientInvoker.java:122)
at org.jboss.remoting.Client.invoke(Client.java:1550)
at org.jboss.remoting.Client.invoke(Client.java:530)
at
org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:62)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
at
org.jboss.aspects.tx.ClientTxPropagationInterceptor.invoke(ClientTxPropagationInterceptor.java:61)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
at
org.jboss.aspects.security.SecurityClientInterceptor.invoke(SecurityClientInterceptor.java:53)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:72)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
at org.jboss.ejb3.stateless.StatelessRemoteProxy.invoke(StatelessRemoteProxy.java:103)
at $Proxy0.bar(Unknown Source)
at client.Test.main(Test.java:22)
Caused by: java.net.BindException: Address already in use: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:516)
at
org.jboss.remoting.transport.socket.SocketClientInvoker.createSocket(SocketClientInvoker.java:187)
at
org.jboss.remoting.transport.socket.MicroSocketClientInvoker.getConnection(MicroSocketClientInvoker.java:801)
at
org.jboss.remoting.transport.socket.MicroSocketClientInvoker.transport(MicroSocketClientInvoker.java:526)
at org.jboss.remoting.MicroRemoteClientInvoker.invoke(MicroRemoteClientInvoker.java:122)
at org.jboss.remoting.Client.invoke(Client.java:1550)
at org.jboss.remoting.Client.invoke(Client.java:530)
at
org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:62)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
at
org.jboss.aspects.tx.ClientTxPropagationInterceptor.invoke(ClientTxPropagationInterceptor.java:61)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
at
org.jboss.aspects.security.SecurityClientInterceptor.invoke(SecurityClientInterceptor.java:53)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:72)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
at org.jboss.ejb3.stateless.StatelessRemoteProxy.invoke(StatelessRemoteProxy.java:103)
at $Proxy0.bar(Unknown Source)
at client.Test.main(Test.java:22)
at
org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:74)
... 10 more
Jboss server and test client are on the same host.
For each call, a new TCP connection is opened, with a different local port. So there is
also a performance problem.
Here is a simple code to reproduce :
-- EJB3 remote Interface --
package ejb;
import javax.ejb.Remote;
@Remote
public interface Foo {
public void bar();
}
-- EJB3 Implementation --
package ejb;
import javax.ejb.Stateless;
@Stateless
public class FooBean implements Foo {
public void bar() {
}
}
-- client --
package client;
import java.util.Properties;
import javax.naming.Context;
import javax.naming.InitialContext;
import ejb.Foo;
public class Test {
public static void main(String[] args) {
try {
Properties env = new Properties();
env.put(Context.PROVIDER_URL, "jnp://localhost:1099");
env.put(Context.URL_PKG_PREFIXES, "org.jboss.naming:org.jnp.interfaces");
env.put(Context.INITIAL_CONTEXT_FACTORY,
"org.jnp.interfaces.NamingContextFactory");
env.put("jnp.disableDiscovery", "true");
Context context = new InitialContext(env);
Foo foo = (Foo)context.lookup("FooBean/remote");
while(true) {
foo.bar();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
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