protected int readPort() throws DeploymentException {
int retry = 20;
Exception e = null;
while (retry > 0) {
try {
DockerContainer utils = DockerContainer.getLast();
return utils.getPort();
} catch (Exception ex) {
e = ex;
}
try {
Thread.sleep(1000); // wait 1sec
} catch (InterruptedException ie) {
Thread.currentThread().interrupt();
throw new IllegalStateException(ie);
}
retry--;
}
throw new DeploymentException("Cannot read port.", e);
}
