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提交 e9def51e 编写于 作者: J Juergen Hoeller
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MBeanExporter silently ignores null beans 

Issue: SPR-15031
(cherry picked from commit 1e58c80f)
上级 b592dd7e
隐藏空白更改
内联 并排
Showing with 110 addition and 47 deletion
spring-context/src/main/java/org/springframework/jmx/export/MBeanExporter.java
浏览文件 @ e9def51e
......@@ -83,7 +83,7 @@ import org.springframework.util.ObjectUtils;
* via the {@link #setListeners(MBeanExporterListener[]) listeners} property, allowing
* application code to be notified of MBean registration and unregistration events.
*
* <p>This exporter is compatible with MBeans and MXBeans on Java 6 and above.
* <p>This exporter is compatible with MBeans as well as MXBeans.
*
* @author Rob Harrop
* @author Juergen Hoeller
......@@ -466,7 +466,7 @@ public class MBeanExporter extends MBeanRegistrationSupport implements MBeanExpo
objectName = JmxUtils.appendIdentityToObjectName(objectName, managedResource);
}
}
catch (Exception ex) {
catch (Throwable ex) {
throw new MBeanExportException("Unable to generate ObjectName for MBean [" + managedResource + "]", ex);
}
registerManagedResource(managedResource, objectName);
......@@ -570,7 +570,7 @@ public class MBeanExporter extends MBeanRegistrationSupport implements MBeanExpo
* should be exposed to the {@code MBeanServer}. Specifically, if the
* supplied {@code mapValue} is the name of a bean that is configured
* for lazy initialization, then a proxy to the resource is registered with
* the {@code MBeanServer} so that the the lazy load behavior is
* the {@code MBeanServer} so that the lazy load behavior is
* honored. If the bean is already an MBean then it will be registered
* directly with the {@code MBeanServer} without any intervention. For
* all other beans or bean names, the resource itself is registered with
......@@ -578,7 +578,8 @@ public class MBeanExporter extends MBeanRegistrationSupport implements MBeanExpo
* @param mapValue the value configured for this bean in the beans map;
* may be either the {@code String} name of a bean, or the bean itself
* @param beanKey the key associated with this bean in the beans map
* @return the {@code ObjectName} under which the resource was registered
* @return the {@code ObjectName} under which the resource was registered,
* or {@code null} if the actual resource was {@code null} as well
* @throws MBeanExportException if the export failed
* @see #setBeans
* @see #registerBeanInstance
......@@ -599,12 +600,14 @@ public class MBeanExporter extends MBeanRegistrationSupport implements MBeanExpo
}
else {
Object bean = this.beanFactory.getBean(beanName);
ObjectName objectName = registerBeanInstance(bean, beanKey);
replaceNotificationListenerBeanNameKeysIfNecessary(beanName, objectName);
return objectName;
if (bean != null) {
ObjectName objectName = registerBeanInstance(bean, beanKey);
replaceNotificationListenerBeanNameKeysIfNecessary(beanName, objectName);
return objectName;
}
}
}
else {
else if (mapValue != null) {
// Plain bean instance -> register it directly.
if (this.beanFactory != null) {
Map<String, ?> beansOfSameType =
......@@ -621,10 +624,11 @@ public class MBeanExporter extends MBeanRegistrationSupport implements MBeanExpo
return registerBeanInstance(mapValue, beanKey);
}
}
catch (Exception ex) {
catch (Throwable ex) {
throw new UnableToRegisterMBeanException(
"Unable to register MBean [" + mapValue + "] with key '" + beanKey + "'", ex);
}
return null;
}
/**
......@@ -816,7 +820,7 @@ public class MBeanExporter extends MBeanRegistrationSupport implements MBeanExpo
mbean.setManagedResource(managedResource, MR_TYPE_OBJECT_REFERENCE);
return mbean;
}
catch (Exception ex) {
catch (Throwable ex) {
throw new MBeanExportException("Could not create ModelMBean for managed resource [" +
managedResource + "] with key '" + beanKey + "'", ex);
}
......@@ -984,7 +988,7 @@ public class MBeanExporter extends MBeanRegistrationSupport implements MBeanExpo
}
}
}
catch (Exception ex) {
catch (Throwable ex) {
throw new MBeanExportException("Unable to register NotificationListener", ex);
}
}
......@@ -1004,7 +1008,7 @@ public class MBeanExporter extends MBeanRegistrationSupport implements MBeanExpo
this.server.removeNotificationListener(mappedObjectName, bean.getNotificationListener(),
bean.getNotificationFilter(), bean.getHandback());
}
catch (Exception ex) {
catch (Throwable ex) {
if (logger.isDebugEnabled()) {
logger.debug("Unable to unregister NotificationListener", ex);
}
......
spring-context/src/test/java/org/springframework/jmx/export/MBeanExporterTests.java
浏览文件 @ e9def51e
/*
* Copyright 2002-2014 the original author or authors.
* Copyright 2002-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
......@@ -39,8 +39,10 @@ import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.springframework.aop.framework.ProxyFactory;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.jmx.AbstractMBeanServerTests;
......@@ -68,8 +70,7 @@ import static org.junit.Assert.*;
* @author Sam Brannen
* @author Stephane Nicoll
*/
@SuppressWarnings("deprecation")
public final class MBeanExporterTests extends AbstractMBeanServerTests {
public class MBeanExporterTests extends AbstractMBeanServerTests {
@Rule
public final ExpectedException thrown = ExpectedException.none();
......@@ -79,7 +80,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
@Test
public void testRegisterNullNotificationListenerType() throws Exception {
Map<String, NotificationListener> listeners = new HashMap<String, NotificationListener>();
Map<String, NotificationListener> listeners = new HashMap<>();
// put null in as a value...
listeners.put("*", null);
MBeanExporter exporter = new MBeanExporter();
......@@ -90,7 +91,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
@Test
public void testRegisterNotificationListenerForNonExistentMBean() throws Exception {
Map<String, NotificationListener> listeners = new HashMap<String, NotificationListener>();
Map<String, NotificationListener> listeners = new HashMap<>();
NotificationListener dummyListener = new NotificationListener() {
@Override
public void handleNotification(Notification notification, Object handback) {
......@@ -130,7 +131,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
@Test
public void testUserCreatedMBeanRegWithDynamicMBean() throws Exception {
Map<String, Object> map = new HashMap<String, Object>();
Map<String, Object> map = new HashMap<>();
map.put("spring:name=dynBean", new TestDynamicMBean());
InvokeDetectAssembler asm = new InvokeDetectAssembler();
......@@ -235,7 +236,6 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
assertListener(listener2);
}
@Test
public void testExportJdkProxy() throws Exception {
JmxTestBean bean = new JmxTestBean();
......@@ -249,7 +249,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
IJmxTestBean proxy = (IJmxTestBean) factory.getProxy();
String name = "bean:mmm=whatever";
Map<String, Object> beans = new HashMap<String, Object>();
Map<String, Object> beans = new HashMap<>();
beans.put(name, proxy);
MBeanExporter exporter = new MBeanExporter();
......@@ -268,7 +268,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
SelfNamingTestBean testBean = new SelfNamingTestBean();
testBean.setObjectName(objectName);
Map<String, Object> beans = new HashMap<String, Object>();
Map<String, Object> beans = new HashMap<>();
beans.put("foo", testBean);
MBeanExporter exporter = new MBeanExporter();
......@@ -295,14 +295,14 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
String objectName2 = "spring:test=equalBean";
Map<String, Object> beans = new HashMap<String, Object>();
Map<String, Object> beans = new HashMap<>();
beans.put(objectName.toString(), springRegistered);
beans.put(objectName2, springRegistered);
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(server);
exporter.setBeans(beans);
exporter.setRegistrationBehavior(MBeanExporter.REGISTRATION_IGNORE_EXISTING);
exporter.setRegistrationPolicy(RegistrationPolicy.IGNORE_EXISTING);
start(exporter);
......@@ -327,7 +327,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
Person springRegistered = new Person();
springRegistered.setName("Sally Greenwood");
Map<String, Object> beans = new HashMap<String, Object>();
Map<String, Object> beans = new HashMap<>();
beans.put(objectName.toString(), springRegistered);
MBeanExporter exporter = new MBeanExporter();
......@@ -353,7 +353,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
bean.setName(name);
ObjectName objectName = ObjectNameManager.getInstance("spring:type=Test");
Map<String, Object> beans = new HashMap<String, Object>();
Map<String, Object> beans = new HashMap<>();
beans.put(objectName.toString(), bean);
MBeanExporter exporter = new MBeanExporter();
......@@ -383,7 +383,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
factory.registerSingleton(exportedBeanName, new TestBean());
MBeanExporter exporter = new MBeanExporter();
Map<String, Object> beansToExport = new HashMap<String, Object>();
Map<String, Object> beansToExport = new HashMap<>();
beansToExport.put(OBJECT_NAME, exportedBeanName);
exporter.setBeans(beansToExport);
exporter.setServer(getServer());
......@@ -470,7 +470,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
Map<String, Object> beansToExport = new HashMap<String, Object>();
Map<String, Object> beansToExport = new HashMap<>();
beansToExport.put(OBJECT_NAME, OBJECT_NAME);
exporter.setBeans(beansToExport);
exporter.setAssembler(new NamedBeanAutodetectCapableMBeanInfoAssemblerStub(OBJECT_NAME));
......@@ -526,7 +526,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
@Test
public void testNotRunningInBeanFactoryAndPassedBeanNameToExport() throws Exception {
MBeanExporter exporter = new MBeanExporter();
Map<String, Object> beans = new HashMap<String, Object>();
Map<String, Object> beans = new HashMap<>();
beans.put(OBJECT_NAME, "beanName");
exporter.setBeans(beans);
thrown.expect(MBeanExportException.class);
......@@ -541,10 +541,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
start(exporter);
}
/**
* SPR-2158
*/
@Test
@Test // SPR-2158
public void testMBeanIsNotUnregisteredSpuriouslyIfSomeExternalProcessHasUnregisteredMBean() throws Exception {
MBeanExporter exporter = new MBeanExporter();
exporter.setBeans(getBeanMap());
......@@ -561,10 +558,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
listener.getUnregistered().size());
}
/**
* SPR-3302
*/
@Test
@Test // SPR-3302
public void testBeanNameCanBeUsedInNotificationListenersMap() throws Exception {
String beanName = "charlesDexterWard";
BeanDefinitionBuilder testBean = BeanDefinitionBuilder.rootBeanDefinition(JmxTestBean.class);
......@@ -576,7 +570,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
Map<String, Object> beansToExport = new HashMap<String, Object>();
Map<String, Object> beansToExport = new HashMap<>();
beansToExport.put("test:what=ever", testBeanInstance);
exporter.setBeans(beansToExport);
exporter.setBeanFactory(factory);
......@@ -598,7 +592,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
Map<String, Object> beansToExport = new HashMap<String, Object>();
Map<String, Object> beansToExport = new HashMap<>();
beansToExport.put("test:what=ever", testBeanInstance);
exporter.setBeans(beansToExport);
exporter.setBeanFactory(factory);
......@@ -608,10 +602,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
start(exporter);
}
/*
* SPR-3625
*/
@Test
@Test // SPR-3625
public void testMBeanIsUnregisteredForRuntimeExceptionDuringInitialization() throws Exception {
BeanDefinitionBuilder builder1 = BeanDefinitionBuilder.rootBeanDefinition(Person.class);
BeanDefinitionBuilder builder2 = BeanDefinitionBuilder
......@@ -626,7 +617,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
Map<String, Object> beansToExport = new HashMap<String, Object>();
Map<String, Object> beansToExport = new HashMap<>();
beansToExport.put(objectName1, objectName1);
beansToExport.put(objectName2, objectName2);
exporter.setBeans(beansToExport);
......@@ -667,12 +658,43 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
ObjectNameManager.getInstance(secondBeanName));
}
@Test
public void testRegisterFactoryBean() throws MalformedObjectNameException {
DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
factory.registerBeanDefinition("spring:type=FactoryBean", new RootBeanDefinition(ProperSomethingFactoryBean.class));
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
exporter.setBeanFactory(factory);
exporter.setAutodetectMode(MBeanExporter.AUTODETECT_ALL);
start(exporter);
assertIsRegistered("Non-null FactoryBean object registered",
ObjectNameManager.getInstance("spring:type=FactoryBean"));
}
@Test
public void testIgnoreNullObjectFromFactoryBean() throws MalformedObjectNameException {
DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
factory.registerBeanDefinition("spring:type=FactoryBean", new RootBeanDefinition(NullSomethingFactoryBean.class));
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
exporter.setBeanFactory(factory);
exporter.setAutodetectMode(MBeanExporter.AUTODETECT_ALL);
start(exporter);
assertIsNotRegistered("Null FactoryBean object not registered",
ObjectNameManager.getInstance("spring:type=FactoryBean"));
}
private ConfigurableApplicationContext load(String context) {
return new ClassPathXmlApplicationContext(context, getClass());
}
private Map<String, Object> getBeanMap() {
Map<String, Object> map = new HashMap<String, Object>();
Map<String, Object> map = new HashMap<>();
map.put(OBJECT_NAME, new JmxTestBean());
return map;
}
......@@ -700,9 +722,9 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
private static class MockMBeanExporterListener implements MBeanExporterListener {
private List<ObjectName> registered = new ArrayList<ObjectName>();
private List<ObjectName> registered = new ArrayList<>();
private List<ObjectName> unregistered = new ArrayList<ObjectName>();
private List<ObjectName> unregistered = new ArrayList<>();
@Override
public void mbeanRegistered(ObjectName objectName) {
......@@ -762,7 +784,7 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
public static final class StubNotificationListener implements NotificationListener {
private List<Notification> notifications = new ArrayList<Notification>();
private List<Notification> notifications = new ArrayList<>();
@Override
public void handleNotification(Notification notification, Object handback) {
......@@ -799,4 +821,41 @@ public final class MBeanExporterTests extends AbstractMBeanServerTests {
}
}
public interface SomethingMBean {}
public static class Something implements SomethingMBean {}
public static class ProperSomethingFactoryBean implements FactoryBean<Something> {
@Override public Something getObject() {
return new Something();
}
@Override public Class<?> getObjectType() {
return Something.class;
}
@Override public boolean isSingleton() {
return true;
}
}
public static class NullSomethingFactoryBean implements FactoryBean<Something> {
@Override public Something getObject() {
return null;
}
@Override public Class<?> getObjectType() {
return Something.class;
}
@Override public boolean isSingleton() {
return true;
}
}
}
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