[jboss-remoting-issues] [JBoss JIRA] Created: (JBREM-954) InterruptException should not be rethrown as CannotConnectionException
InterruptException should not be rethrown as CannotConnectionException
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Key: JBREM-954
URL: http://jira.jboss.com/jira/browse/JBREM-954
Project: JBoss Remoting
Issue Type: Bug
Security Level: Public (Everyone can see)
Components: transport
Reporter: Galder Zamarreno
Fix For: 2.2.2.SP4
Let's say you have a Swing GUI application that calls an EJB remotely and the
client code is waiting to get entry to client side pool (controlled by clientMaxPoolSize).
While waiting, the user decides to cancel the operation by interrupting the thread. In
that case, the Remoting code does not make a difference between an InterruptedException
and any other Exception:
MicroSocketClientInvoker.java:
protected SocketWrapper getConnection(Marshaller marshaller,
UnMarshaller unmarshaller,
int timeAllowed)
throws Exception
{
long start = System.currentTimeMillis();
long timeToWait = (timeAllowed > 0) ? timeAllowed : 30000;
boolean timedout = !semaphore.attempt(timeToWait);
Any Exception thrown from getConnection() is treated as a CannotConnectException
try
{
socketWrapper = getConnection(marshaller, unmarshaller, timeLeft);
}
catch (Exception e)
{
// if (bailOut)
// return null;
semaphore.release();
if (trace) log.trace(this + " released semaphore: " +
semaphore.permits());
throw new CannotConnectException(
"Can not get connection to server. Problem establishing " +
"socket connection for " + locator, e);
}
The EJB3 layer wraps this in CannotConnectException in a RuntimeException like:
throw new RuntimeException("cluster invocation failed, last exception was: ",
lastException);
This is misleading on the Remoting side. Semantically, the fact that the thread attempting
to connect is interrupted shouldn't be translated into a CannotConnectException.
Please find attached a test case I've created.
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