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8025206: Intermittent test failure: javax/management/monitor/NullAttributeValueTest.java

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Reviewed-by: dholmes, dfuchs, jbachorik
This commit is contained in:
Shanliang Jiang 2013-10-10 08:49:12 +02:00
parent 65d897864d
commit 5a3e98293d
1 changed files with 21 additions and 47 deletions
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68
jdk/test/javax/management/monitor/NullAttributeValueTest.java
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@ -23,11 +23,12 @@
/*
* @test
* @bug 6200031
* @bug 6200031 8025206
* @summary Test that the counter/gauge/string monitors emit a
* jmx.monitor.error.type notification when the attribute
* being monitored returns a null value.
* @author Luis-Miguel Alventosa
* @author Shanliang JIANG
* @run clean NullAttributeValueTest
* @run build NullAttributeValueTest
* @run main NullAttributeValueTest
@ -39,7 +40,7 @@ import javax.management.monitor.*;
public class NullAttributeValueTest implements NotificationListener {
// Flag to notify that a message has been received
private boolean messageReceived = false;
private volatile boolean messageReceived = false;
// MBean class
public class ObservedObject implements ObservedObjectMBean {
@ -83,7 +84,6 @@ public class NullAttributeValueTest implements NotificationListener {
* Update the counter and check for notifications
*/
public int counterMonitorNotification() throws Exception {
CounterMonitor counterMonitor = null;
try {
MBeanServer server = MBeanServerFactory.newMBeanServer();
@ -134,31 +134,17 @@ public class NullAttributeValueTest implements NotificationListener {
echo(">>> START the CounterMonitor");
counterMonitor.start();
// Wait for granularity period (multiplied by 2 for sure)
//
Thread.sleep(granularityperiod * 2);
// Check if notification was received
//
if (messageReceived) {
echo("\tOK: CounterMonitor notification received");
} else {
echo("\tKO: CounterMonitor notification missed or not emitted");
return 1;
}
return checkReceived(granularityperiod, "CounterMonitor");
} finally {
if (counterMonitor != null)
counterMonitor.stop();
}
return 0;
}
/**
* Update the gauge and check for notifications
*/
public int gaugeMonitorNotification() throws Exception {
GaugeMonitor gaugeMonitor = null;
try {
MBeanServer server = MBeanServerFactory.newMBeanServer();
@ -212,31 +198,17 @@ public class NullAttributeValueTest implements NotificationListener {
echo(">>> START the GaugeMonitor");
gaugeMonitor.start();
// Wait for granularity period (multiplied by 2 for sure)
//
Thread.sleep(granularityperiod * 2);
// Check if notification was received
//
if (messageReceived) {
echo("\tOK: GaugeMonitor notification received");
} else {
echo("\tKO: GaugeMonitor notification missed or not emitted");
return 1;
}
return checkReceived(granularityperiod, "GaugeMonitor");
} finally {
if (gaugeMonitor != null)
gaugeMonitor.stop();
}
return 0;
}
/**
* Update the string and check for notifications
*/
public int stringMonitorNotification() throws Exception {
StringMonitor stringMonitor = null;
try {
MBeanServer server = MBeanServerFactory.newMBeanServer();
@ -289,24 +261,11 @@ public class NullAttributeValueTest implements NotificationListener {
echo(">>> START the StringMonitor");
stringMonitor.start();
// Wait for granularity period (multiplied by 2 for sure)
//
Thread.sleep(granularityperiod * 2);
// Check if notification was received
//
if (messageReceived) {
echo("\tOK: StringMonitor notification received");
} else {
echo("\tKO: StringMonitor notification missed or not emitted");
return 1;
}
return checkReceived(granularityperiod, "StringMonitor");
} finally {
if (stringMonitor != null)
stringMonitor.stop();
}
return 0;
}
/**
@ -326,6 +285,21 @@ public class NullAttributeValueTest implements NotificationListener {
return error;
}
private int checkReceived(long granularityperiod, String caller) throws InterruptedException {
int i = 100;
do {
Thread.sleep(granularityperiod);
} while (!messageReceived && i-- > 0);
if (messageReceived) {
echo("\tOK: " + caller + " notification received");
} else {
echo("\tKO: " + caller + " notification missed or not emitted");
}
return messageReceived ? 0 : 1;
}
/*
* Print message
*/