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fix for https://issues.apache.org/activemq/browse/AMQ-2275 - activemq-admin attaching to local process 

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@810588 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Bosanac Dejan 2009-09-02 16:14:19 +00:00
parent a0426cbd5c
commit 04d27a7d2d
3 changed files with 76 additions and 8 deletions
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76
activemq-console/src/main/java/org/apache/activemq/console/command/AbstractJmxCommand.java
View File

@ -16,17 +16,25 @@
*/
package org.apache.activemq.console.command;
import java.io.File;
import java.io.IOException;
import java.lang.management.ManagementFactory;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.HashMap;
import java.lang.management.ManagementFactory;
import java.util.Set;
import javax.management.MBeanServerConnection;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXServiceURL;
import javax.management.MBeanServerConnection;
import sun.management.ConnectorAddressLink;
public abstract class AbstractJmxCommand extends AbstractCommand {
public static final String DEFAULT_JMX_URL = "service:jmx:rmi:///jndi/rmi://localhost:1099/jmxrmi";
@ -45,6 +53,14 @@ public abstract class AbstractJmxCommand extends AbstractCommand {
protected JMXServiceURL getJmxServiceUrl() {
return jmxServiceUrl;
}
public static String getJVM() {
return System.getProperty("java.vm.specification.vendor");
}
public static boolean isSunJVM() {
return getJVM().equals("Sun Microsystems Inc.");
}
/**
* Get the current JMX service url being used, or create a default one if no JMX service url has been specified.
@ -53,7 +69,59 @@ public abstract class AbstractJmxCommand extends AbstractCommand {
*/
protected JMXServiceURL useJmxServiceUrl() throws MalformedURLException {
if (getJmxServiceUrl() == null) {
setJmxServiceUrl(DEFAULT_JMX_URL);
String jmxUrl = DEFAULT_JMX_URL;
int connectingPid = -1;
if (isSunJVM()) {
try {
// Try to attach to the local process
// Classes are all dynamically loaded, since they are specific to Sun VM
// if it fails for any reason default jmx url will be used
// tools.jar are not always included used by default
// class loader, so we will try to use custom loader that will
// try to load tools.jar
String javaHome = System.getProperty("java.home");
String tools = javaHome + File.separator +
".." + File.separator + "lib" + File.separator + "tools.jar";
URLClassLoader loader = new URLClassLoader(new URL[]{new File(tools).toURI().toURL()});
// load all classes dynamically so we can compile on non-Sun VMs
//MonitoredHost host = MonitoredHost.getMonitoredHost(new HostIdentifier((String)null));
Class monitoredHostClass = Class.forName("sun.jvmstat.monitor.MonitoredHost", true, loader);
Method getMonitoredHostMethod = monitoredHostClass.getMethod("getMonitoredHost", String.class);
Object host = getMonitoredHostMethod.invoke(null, (String)null);
//Set vms = host.activeVms();
Method activeVmsMethod = host.getClass().getMethod("activeVms", null);
Set vms = (Set)activeVmsMethod.invoke(host, null);
for (Object vmid: vms) {
int pid = ((Integer) vmid).intValue();
//MonitoredVm mvm = host.getMonitoredVm(new VmIdentifier(vmid.toString()));
Class vmIdentifierClass = Class.forName("sun.jvmstat.monitor.VmIdentifier", true, loader);
Constructor vmIdentifierConstructor = vmIdentifierClass.getConstructor(String.class);
Object vmIdentifier = vmIdentifierConstructor.newInstance(vmid.toString());
Method getMonitoredVmMethod = host.getClass().getMethod("getMonitoredVm", vmIdentifierClass);
Object mvm = getMonitoredVmMethod.invoke(host, vmIdentifier);
//String name = MonitoredVmUtil.commandLine(mvm);
Class monitoredVmUtilClass = Class.forName("sun.jvmstat.monitor.MonitoredVmUtil", true, loader);
Method commandLineMethod = monitoredVmUtilClass.getMethod("commandLine", Class.forName("sun.jvmstat.monitor.MonitoredVm", true, loader));
String name = (String)commandLineMethod.invoke(null, mvm);
if (name.contains("run.jar start")) {
connectingPid = pid;
jmxUrl = ConnectorAddressLink.importFrom(pid);
break;
}
}
} catch (Exception ignore) {}
}
if (connectingPid != -1) {
context.print("Connecting to pid: " + connectingPid);
} else {
context.print("Connecting to JMX URL: " + jmxUrl);
}
setJmxServiceUrl(jmxUrl);
}
return getJmxServiceUrl();

4
assembly/src/release/bin/activemq
View File

@ -131,8 +131,8 @@ if [ -z "$ACTIVEMQ_OPTS" ] ; then
fi
if [ -z "$SUNJMX" ] ; then
SUNJMX="-Dcom.sun.management.jmxremote.port=1099 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false"
#SUNJMX="-Dcom.sun.management.jmxremote"
#SUNJMX="-Dcom.sun.management.jmxremote.port=1099 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false"
SUNJMX="-Dcom.sun.management.jmxremote"
fi
ACTIVEMQ_OPTS="$ACTIVEMQ_OPTS $SUNJMX $SSL_OPTS"

4
assembly/src/release/bin/activemq.bat
View File

@ -73,8 +73,8 @@ if "%ACTIVEMQ_BASE%" == "" set ACTIVEMQ_BASE=%ACTIVEMQ_HOME%
if "%ACTIVEMQ_OPTS%" == "" set ACTIVEMQ_OPTS=-Xmx512M -Dorg.apache.activemq.UseDedicatedTaskRunner=true
if "%SUNJMX%" == "" set SUNJMX=-Dcom.sun.management.jmxremote.port=1099 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false
REM SUNJMX=-Dcom.sun.management.jmxremote
if "%SUNJMX%" == "" set SUNJMX=-Dcom.sun.management.jmxremote
REM set SUNJMX=-Dcom.sun.management.jmxremote.port=1099 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false
REM Uncomment to enable YourKit profiling
REM SET ACTIVEMQ_DEBUG_OPTS="-agentlib:yjpagent"