Unable to generate unique id when range of ports are blocked -
org.apache.activemq.util.IdGenerator
---------------------------------------------------------------------------------------------------
Key: AMQ-3614
URL: https://issues.apache.org/jira/browse/AMQ-3614
Project: ActiveMQ
Issue Type: Bug
Components: Broker
Affects Versions: 5.5.1
Reporter: Jason Sherman
org.apache.activemq.util.IdGenerator is unable to generate a unique id if a
range of ports have been block.
Currently there is only one strategy create this id if the canAccessSystemProps
condition is true:
{code}
if (canAccessSystemProps) {
try {
hostName = InetAddressUtil.getLocalHostName();
ServerSocket ss = new ServerSocket(0);
stub = "-" + ss.getLocalPort() + "-" +
System.currentTimeMillis() + "-";
Thread.sleep(100);
ss.close();
} catch (Exception ioe) {
LOG.warn("could not generate unique stub", ioe);
}
} else {
hostName = "localhost";
stub = "-1-" + System.currentTimeMillis() + "-";
}
{code}
No fallback strategy has been implemented if the canAccessSystemProp evaluates
to true
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