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MBeanServerFactoryBean returns JDK 1.5 platform MBeanServer for agent id "" (SPR-5909)

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This commit is contained in:
Juergen Hoeller
2009-08-26 13:42:28 +00:00
parent 8fb53c801e
commit e0bb838259
5 changed files with 44 additions and 25 deletions
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1
org.springframework.context/src/main/java/org/springframework/jmx/access/MBeanClientInterceptor.java
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@@ -161,6 +161,7 @@ public class MBeanClientInterceptor
* attempt being made to locate the attendant MBeanServer, unless
* the {@link #setServiceUrl "serviceUrl"} property has been set.
* @see javax.management.MBeanServerFactory#findMBeanServer(String)
* <p>Specifying the empty String indicates the platform MBeanServer.
*/
public void setAgentId(String agentId) {
this.agentId = agentId;

3
org.springframework.context/src/main/java/org/springframework/jmx/access/NotificationListenerRegistrar.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2008 the original author or authors.
* Copyright 2002-2009 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.
@@ -105,6 +105,7 @@ public class NotificationListenerRegistrar extends NotificationListenerHolder
* attempt being made to locate the attendant MBeanServer, unless
* the {@link #setServiceUrl "serviceUrl"} property has been set.
* @see javax.management.MBeanServerFactory#findMBeanServer(String)
* <p>Specifying the empty String indicates the platform MBeanServer.
*/
public void setAgentId(String agentId) {
this.agentId = agentId;

27
org.springframework.context/src/main/java/org/springframework/jmx/support/JmxUtils.java
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@@ -91,28 +91,31 @@ public abstract class JmxUtils {
* <code>MBeanServer</code> can be found. Logs a warning if more than one
* <code>MBeanServer</code> found, returning the first one from the list.
* @param agentId the agent identifier of the MBeanServer to retrieve.
* If this parameter is <code>null</code>, all registered MBeanServers are
* considered.
* If this parameter is <code>null</code>, all registered MBeanServers are considered.
* If the empty String is given, the platform MBeanServer will be returned.
* @return the <code>MBeanServer</code> if found
* @throws org.springframework.jmx.MBeanServerNotFoundException
* if no <code>MBeanServer</code> could be found
* @see javax.management.MBeanServerFactory#findMBeanServer(String)
*/
public static MBeanServer locateMBeanServer(String agentId) throws MBeanServerNotFoundException {
List servers = MBeanServerFactory.findMBeanServer(agentId);
MBeanServer server = null;
if (servers != null && servers.size() > 0) {
// Check to see if an MBeanServer is registered.
if (servers.size() > 1 && logger.isWarnEnabled()) {
logger.warn("Found more than one MBeanServer instance" +
(agentId != null ? " with agent id [" + agentId + "]" : "") +
". Returning first from list.");
// null means any registered server, but "" specifically means the platform server
if (!"".equals(agentId)) {
List<MBeanServer> servers = MBeanServerFactory.findMBeanServer(agentId);
if (servers != null && servers.size() > 0) {
// Check to see if an MBeanServer is registered.
if (servers.size() > 1 && logger.isWarnEnabled()) {
logger.warn("Found more than one MBeanServer instance" +
(agentId != null ? " with agent id [" + agentId + "]" : "") +
". Returning first from list.");
}
server = servers.get(0);
}
server = (MBeanServer) servers.get(0);
}
if (server == null && agentId == null) {
if (server == null && !StringUtils.hasLength(agentId)) {
// Attempt to load the PlatformMBeanServer.
try {
server = ManagementFactory.getPlatformMBeanServer();

1
org.springframework.context/src/main/java/org/springframework/jmx/support/MBeanServerFactoryBean.java
View File

@@ -84,6 +84,7 @@ public class MBeanServerFactoryBean implements FactoryBean<MBeanServer>, Initial
* and (importantly) if said MBeanServer cannot be located no
* attempt will be made to create a new MBeanServer (and an
* MBeanServerNotFoundException will be thrown at resolution time).
* <p>Specifying the empty String indicates the platform MBeanServer.
* @see javax.management.MBeanServerFactory#findMBeanServer(String)
*/
public void setAgentId(String agentId) {