use of org.apache.activemq.artemis.utils.critical.CriticalAnalyzer in project activemq-artemis by apache.
the class ActiveMQServerImpl method initializeCriticalAnalyzer.
private void initializeCriticalAnalyzer() throws Exception {
// Some tests will play crazy frequenceistop/start
CriticalAnalyzer analyzer = this.getCriticalAnalyzer();
if (analyzer == null) {
if (configuration.isCriticalAnalyzer()) {
// this will have its own ScheduledPool
analyzer = new CriticalAnalyzerImpl();
} else {
analyzer = EmptyCriticalAnalyzer.getInstance();
}
this.analyzer = analyzer;
}
/* Calling this for cases where the server was stopped and now is being restarted... failback, etc...*/
analyzer.clear();
analyzer.setCheckTime(configuration.getCriticalAnalyzerCheckPeriod(), TimeUnit.MILLISECONDS).setTimeout(configuration.getCriticalAnalyzerTimeout(), TimeUnit.MILLISECONDS);
if (configuration.isCriticalAnalyzer()) {
analyzer.start();
}
CriticalAction criticalAction = null;
final CriticalAnalyzerPolicy criticalAnalyzerPolicy = configuration.getCriticalAnalyzerPolicy();
switch(criticalAnalyzerPolicy) {
case HALT:
criticalAction = criticalComponent -> {
ActiveMQServerLogger.LOGGER.criticalSystemHalt(criticalComponent);
threadDump();
sendCriticalNotification(criticalComponent);
// Linux systems will have /usr/include/sysexits.h showing 70 as internal software error
Runtime.getRuntime().halt(70);
};
break;
case SHUTDOWN:
criticalAction = criticalComponent -> {
ActiveMQServerLogger.LOGGER.criticalSystemShutdown(criticalComponent);
threadDump();
// on the case of a critical failure, -1 cannot simply means forever.
// in case graceful is -1, we will set it to 30 seconds
sendCriticalNotification(criticalComponent);
// you can't stop from the check thread,
// nor can use an executor
Thread stopThread = new Thread() {
@Override
public void run() {
try {
ActiveMQServerImpl.this.stop();
} catch (Throwable e) {
logger.warn(e.getMessage(), e);
}
}
};
stopThread.start();
};
break;
case LOG:
criticalAction = criticalComponent -> {
ActiveMQServerLogger.LOGGER.criticalSystemLog(criticalComponent);
threadDump();
sendCriticalNotification(criticalComponent);
};
break;
}
analyzer.addAction(criticalAction);
}
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