/* * Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * 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). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package sun.tools.jps;import java.util.*;import java.net.*;import sun.jvmstat.monitor.*;/** * Application to provide a listing of monitorable java processes. * * @author Brian Doherty * @since 1.5 */public class Jps { private static Arguments arguments; public static void main(String[] args) { try { arguments = new Arguments(args); } catch (IllegalArgumentException e) { System.err.println(e.getMessage()); Arguments.printUsage(System.err); return; } if (arguments.isHelp()) { Arguments.printUsage(System.out); System.exit(0); } try { HostIdentifier hostId = arguments.hostId(); MonitoredHost monitoredHost = MonitoredHost.getMonitoredHost(hostId); // get the set active JVMs on the specified host. Set jvms = monitoredHost.activeVms(); for (Iterator j = jvms.iterator(); j.hasNext(); /* empty */ ) { StringBuilder output = new StringBuilder(); Throwable lastError = null; int lvmid = ((Integer)j.next()).intValue(); output.append(String.valueOf(lvmid)); if (arguments.isQuiet()) { System.out.println(output); continue; } MonitoredVm vm = null; String vmidString = "//" + lvmid + "?mode=r"; String errorString = null; try { // Note: The VM associated with the current VM id may // no longer be running so these queries may fail. We // already added the VM id to the output stream above. // If one of the queries fails, then we try to add a // reasonable message to indicate that the requested // info is not available. errorString = " -- process information unavailable"; VmIdentifier id = new VmIdentifier(vmidString); vm = monitoredHost.getMonitoredVm(id, 0); errorString = " -- main class information unavailable"; output.append(" " + MonitoredVmUtil.mainClass(vm, arguments.showLongPaths())); if (arguments.showMainArgs()) { errorString = " -- main args information unavailable"; String mainArgs = MonitoredVmUtil.mainArgs(vm); if (mainArgs != null && mainArgs.length() > 0) { output.append(" " + mainArgs); } } if (arguments.showVmArgs()) { errorString = " -- jvm args information unavailable"; String jvmArgs = MonitoredVmUtil.jvmArgs(vm); if (jvmArgs != null && jvmArgs.length() > 0) { output.append(" " + jvmArgs); } } if (arguments.showVmFlags()) { errorString = " -- jvm flags information unavailable"; String jvmFlags = MonitoredVmUtil.jvmFlags(vm); if (jvmFlags != null && jvmFlags.length() > 0) { output.append(" " + jvmFlags); } } errorString = " -- detach failed"; monitoredHost.detach(vm); System.out.println(output); errorString = null; } catch (URISyntaxException e) { // unexpected as vmidString is based on a validated hostid lastError = e; assert false; } catch (Exception e) { lastError = e; } finally { if (errorString != null) { /* * we ignore most exceptions, as there are race * conditions where a JVM in 'jvms' may terminate * before we get a chance to list its information. * Other errors, such as access and I/O exceptions * should stop us from iterating over the complete set. */ output.append(errorString); if (arguments.isDebug()) { if ((lastError != null) && (lastError.getMessage() != null)) { output.append("\n\t"); output.append(lastError.getMessage()); } } System.out.println(output); if (arguments.printStackTrace()) { lastError.printStackTrace(); } continue; } } } } catch (MonitorException e) { if (e.getMessage() != null) { System.err.println(e.getMessage()); } else { Throwable cause = e.getCause(); if ((cause != null) && (cause.getMessage() != null)) { System.err.println(cause.getMessage()); } else { e.printStackTrace(); } } } }}
/*
* Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* 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).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.tools.jps;
import java.util.*;
import java.net.*;
import sun.jvmstat.monitor.*;
/**
* Application to provide a listing of monitorable java processes.
*
* @author Brian Doherty
* @since 1.5
*/
public class Jps {
private static Arguments arguments;
public static void main(String[] args) {
try {
arguments = new Arguments(args);
} catch (IllegalArgumentException e) {
System.err.println(e.getMessage());
Arguments.printUsage(System.err);
return;
}
if (arguments.isHelp()) {
Arguments.printUsage(System.out);
System.exit(0);
}
try {
HostIdentifier hostId = arguments.hostId();
MonitoredHost monitoredHost =
MonitoredHost.getMonitoredHost(hostId);
// get the set active JVMs on the specified host.
Set jvms = monitoredHost.activeVms();
for (Iterator j = jvms.iterator(); j.hasNext(); /* empty */ ) {
StringBuilder output = new StringBuilder();
Throwable lastError = null;
int lvmid = ((Integer)j.next()).intValue();
output.append(String.valueOf(lvmid));
if (arguments.isQuiet()) {
System.out.println(output);
continue;
}
MonitoredVm vm = null;
String vmidString = "//" + lvmid + "?mode=r";
String errorString = null;
try {
// Note: The VM associated with the current VM id may
// no longer be running so these queries may fail. We
// already added the VM id to the output stream above.
// If one of the queries fails, then we try to add a
// reasonable message to indicate that the requested
// info is not available.
errorString = " -- process information unavailable";
VmIdentifier id = new VmIdentifier(vmidString);
vm = monitoredHost.getMonitoredVm(id, 0);
errorString = " -- main class information unavailable";
output.append(" " + MonitoredVmUtil.mainClass(vm,
arguments.showLongPaths()));
if (arguments.showMainArgs()) {
errorString = " -- main args information unavailable";
String mainArgs = MonitoredVmUtil.mainArgs(vm);
if (mainArgs != null && mainArgs.length() > 0) {
output.append(" " + mainArgs);
}
}
if (arguments.showVmArgs()) {
errorString = " -- jvm args information unavailable";
String jvmArgs = MonitoredVmUtil.jvmArgs(vm);
if (jvmArgs != null && jvmArgs.length() > 0) {
output.append(" " + jvmArgs);
}
}
if (arguments.showVmFlags()) {
errorString = " -- jvm flags information unavailable";
String jvmFlags = MonitoredVmUtil.jvmFlags(vm);
if (jvmFlags != null && jvmFlags.length() > 0) {
output.append(" " + jvmFlags);
}
}
errorString = " -- detach failed";
monitoredHost.detach(vm);
System.out.println(output);
errorString = null;
} catch (URISyntaxException e) {
// unexpected as vmidString is based on a validated hostid
lastError = e;
assert false;
} catch (Exception e) {
lastError = e;
} finally {
if (errorString != null) {
/*
* we ignore most exceptions, as there are race
* conditions where a JVM in 'jvms' may terminate
* before we get a chance to list its information.
* Other errors, such as access and I/O exceptions
* should stop us from iterating over the complete set.
*/
output.append(errorString);
if (arguments.isDebug()) {
if ((lastError != null)
&& (lastError.getMessage() != null)) {
output.append("\n\t");
output.append(lastError.getMessage());
}
}
System.out.println(output);
if (arguments.printStackTrace()) {
lastError.printStackTrace();
}
continue;
}
}
}
} catch (MonitorException e) {
if (e.getMessage() != null) {
System.err.println(e.getMessage());
} else {
Throwable cause = e.getCause();
if ((cause != null) && (cause.getMessage() != null)) {
System.err.println(cause.getMessage());
} else {
e.printStackTrace();
}
}
}
}
}