8232588: G1 concurrent System.gc can return early or late
8233279: G1: GCLocker GC with +GCLockerInvokesConcurrent spins while cycle in progress
Summary: Refactor G1CH::try_collect and fix bugs with concurrent collections.
Reviewed-by: tschatzl, sjohanss
/*
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*
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
* @test
* @bug 6281446
* @summary Test that the exception thrown by DynamicMBean.getMBeanInfo()
* keeps the init cause.
* @author Luis-Miguel Alventosa
*
* @run clean GetMBeanInfoExceptionTest
* @run build GetMBeanInfoExceptionTest
* @run main GetMBeanInfoExceptionTest
*/
import javax.management.Attribute;
import javax.management.AttributeList;
import javax.management.AttributeNotFoundException;
import javax.management.DynamicMBean;
import javax.management.InvalidAttributeValueException;
import javax.management.MBeanException;
import javax.management.MBeanInfo;
import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.NotCompliantMBeanException;
import javax.management.ObjectName;
import javax.management.ReflectionException;
public class GetMBeanInfoExceptionTest {
public static class TestDynamicMBean implements DynamicMBean {
public Object getAttribute(String attribute) throws
AttributeNotFoundException,
MBeanException,
ReflectionException {
return null;
}
public void setAttribute(Attribute attribute) throws
AttributeNotFoundException,
InvalidAttributeValueException,
MBeanException,
ReflectionException {
}
public AttributeList getAttributes(String[] attributes) {
return null;
}
public AttributeList setAttributes(AttributeList attributes) {
return null;
}
public Object invoke(String op, Object params[], String sign[]) throws
MBeanException,
ReflectionException {
return null;
}
public MBeanInfo getMBeanInfo() {
throw new IllegalArgumentException("GetMBeanInfoExceptionTest");
}
}
public static void main(String[] args) throws Exception {
int error = 0;
// Instantiate the MBean server
//
System.out.println("Create the MBean server");
MBeanServer mbs = MBeanServerFactory.createMBeanServer();
// Register the MBean
//
System.out.println("Create a TestDynamicMBean");
TestDynamicMBean obj = new TestDynamicMBean();
ObjectName n = new ObjectName("d:k=v");
try {
mbs.registerMBean(obj, n);
System.out.println("Didn't get expected NotCompliantMBeanException");
error++;
} catch (NotCompliantMBeanException e) {
boolean found = false;
Throwable t = e.getCause();
while (t != null) {
if (t instanceof IllegalArgumentException &&
"GetMBeanInfoExceptionTest".equals(t.getMessage())) {
found = true;
}
t = t.getCause();
}
if (found) {
System.out.println("Found expected IllegalArgumentException");
} else {
System.out.println("Didn't find expected IllegalArgumentException");
error++;
}
} catch (Exception e) {
System.out.println("Got " + e.getClass().getName() +
"instead of expected NotCompliantMBeanException");
error++;
}
if (error > 0) {
System.out.println("Test failed");
throw new IllegalArgumentException("Test failed");
} else {
System.out.println("Test passed");
}
}
}