--- a/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/ClassTracker.java Thu Jun 02 12:52:00 2016 -0700
+++ b/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/ClassTracker.java Thu Jun 02 14:05:13 2016 -0700
@@ -28,17 +28,18 @@
import java.util.Objects;
import com.sun.jdi.ReferenceType;
import java.util.List;
+import com.sun.jdi.VirtualMachine;
/**
* Tracks the state of a class.
*/
class ClassTracker {
- private final JDIEnv jdiEnv;
+ private final VirtualMachine vm;
private final HashMap<String, ClassInfo> map;
- ClassTracker(JDIEnv jdiEnv) {
- this.jdiEnv = jdiEnv;
+ ClassTracker(VirtualMachine vm) {
+ this.vm = vm;
this.map = new HashMap<>();
}
@@ -96,7 +97,7 @@
}
private ReferenceType nameToRef(String name) {
- List<ReferenceType> rtl = jdiEnv.vm().classesByName(name);
+ List<ReferenceType> rtl = vm.classesByName(name);
if (rtl.size() != 1) {
return null;
}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/FailOverExecutionControl.java Thu Jun 02 14:05:13 2016 -0700
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2016, 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 jdk.internal.jshell.jdi;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import jdk.internal.jshell.debug.InternalDebugControl;
+import jdk.jshell.JShellException;
+import jdk.jshell.spi.ExecutionControl;
+import jdk.jshell.spi.ExecutionEnv;
+
+/**
+ * A meta implementation of ExecutionControl which cycles through the specified
+ * ExecutionControl instances until it finds one that starts.
+ */
+public class FailOverExecutionControl implements ExecutionControl {
+
+ private final List<ExecutionControl> ecl = new ArrayList<>();
+ private ExecutionControl active = null;
+ private final List<Exception> thrown = new ArrayList<>();
+
+ /**
+ * Create the ExecutionControl instance with at least one actual
+ * ExecutionControl instance.
+ *
+ * @param ec0 the first instance to try
+ * @param ecs the second and on instance to try
+ */
+ public FailOverExecutionControl(ExecutionControl ec0, ExecutionControl... ecs) {
+ ecl.add(ec0);
+ for (ExecutionControl ec : ecs) {
+ ecl.add(ec);
+ }
+ }
+
+ @Override
+ public void start(ExecutionEnv env) throws Exception {
+ for (ExecutionControl ec : ecl) {
+ try {
+ ec.start(env);
+ // Success! This is our active ExecutionControl
+ active = ec;
+ return;
+ } catch (Exception ex) {
+ thrown.add(ex);
+ } catch (Throwable ex) {
+ thrown.add(new RuntimeException(ex));
+ }
+ InternalDebugControl.debug(env.state(), env.userErr(),
+ thrown.get(thrown.size() - 1), "failed one in FailOverExecutionControl");
+ }
+ // They have all failed -- rethrow the first exception we encountered
+ throw thrown.get(0);
+ }
+
+ @Override
+ public void close() {
+ active.close();
+ }
+
+ @Override
+ public boolean addToClasspath(String path) {
+ return active.addToClasspath(path);
+ }
+
+ @Override
+ public String invoke(String classname, String methodname) throws JShellException {
+ return active.invoke(classname, methodname);
+ }
+
+ @Override
+ public boolean load(Collection<String> classes) {
+ return active.load(classes);
+ }
+
+ @Override
+ public boolean redefine(Collection<String> classes) {
+ return active.redefine(classes);
+ }
+
+ @Override
+ public ClassStatus getClassStatus(String classname) {
+ return active.getClassStatus(classname);
+ }
+
+ @Override
+ public void stop() {
+ active.stop();
+ }
+
+ @Override
+ public String varValue(String classname, String varname) {
+ return active.varValue(classname, varname);
+ }
+
+}
--- a/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/JDIConnection.java Thu Jun 02 12:52:00 2016 -0700
+++ b/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/JDIConnection.java Thu Jun 02 14:05:13 2016 -0700
@@ -49,6 +49,8 @@
*/
class JDIConnection {
+ private static final String REMOTE_AGENT = "jdk.internal.jshell.remote.RemoteAgent";
+
private VirtualMachine vm;
private boolean active = true;
private Process process = null;
@@ -59,12 +61,12 @@
private final Map<String, com.sun.jdi.connect.Connector.Argument> connectorArgs;
private final int traceFlags;
- synchronized void notifyOutputComplete() {
+ private synchronized void notifyOutputComplete() {
outputCompleteCount++;
notifyAll();
}
- synchronized void waitOutputComplete() {
+ private synchronized void waitOutputComplete() {
// Wait for stderr and stdout
if (process != null) {
while (outputCompleteCount < 2) {
@@ -102,61 +104,72 @@
return arguments;
}
+ /**
+ * The JShell specific Connector args for the LaunchingConnector.
+ *
+ * @param portthe socket port for (non-JDI) commands
+ * @param remoteVMOptions any user requested VM options
+ * @return the argument map
+ */
+ private static Map<String, String> launchArgs(int port, String remoteVMOptions) {
+ Map<String, String> argumentName2Value = new HashMap<>();
+ argumentName2Value.put("main", REMOTE_AGENT + " " + port);
+ argumentName2Value.put("options", remoteVMOptions);
+ return argumentName2Value;
+ }
+ /**
+ * Start the remote agent and establish a JDI connection to it.
+ *
+ * @param ec the execution control instance
+ * @param port the socket port for (non-JDI) commands
+ * @param remoteVMOptions any user requested VM options
+ * @param isLaunch does JDI do the launch? That is, LaunchingConnector,
+ * otherwise we start explicitly and use ListeningConnector
+ */
+ JDIConnection(JDIExecutionControl ec, int port, List<String> remoteVMOptions, boolean isLaunch) {
+ this(ec,
+ isLaunch
+ ? "com.sun.jdi.CommandLineLaunch"
+ : "com.sun.jdi.SocketListen",
+ isLaunch
+ ? launchArgs(port, String.join(" ", remoteVMOptions))
+ : new HashMap<>(),
+ 0);
+ if (isLaunch) {
+ vm = launchTarget();
+ } else {
+ vm = listenTarget(port, remoteVMOptions);
+ }
+
+ if (isOpen() && vm().canBeModified()) {
+ /*
+ * Connection opened on startup.
+ */
+ new JDIEventHandler(vm(), (b) -> ec.handleVMExit())
+ .start();
+ }
+ }
+
+ /**
+ * Base constructor -- set-up a JDI connection.
+ *
+ * @param ec the execution control instance
+ * @param connectorName the standardized name of the connector
+ * @param argumentName2Value the argument map
+ * @param traceFlags should we trace JDI behavior
+ */
JDIConnection(JDIExecutionControl ec, String connectorName, Map<String, String> argumentName2Value, int traceFlags) {
this.ec = ec;
this.connector = findConnector(connectorName);
-
if (connector == null) {
throw new IllegalArgumentException("No connector named: " + connectorName);
}
-
connectorArgs = mergeConnectorArgs(connector, argumentName2Value);
this.traceFlags = traceFlags;
}
- synchronized VirtualMachine open() {
- if (connector instanceof LaunchingConnector) {
- vm = launchTarget();
- } else if (connector instanceof AttachingConnector) {
- vm = attachTarget();
- } else if (connector instanceof ListeningConnector) {
- vm = listenTarget();
- } else {
- throw new InternalError("Invalid connect type");
- }
- vm.setDebugTraceMode(traceFlags);
- // Uncomment here and below to enable event requests
- // installEventRequests(vm);
-
- return vm;
- }
-
- synchronized boolean setConnectorArg(String name, String value) {
- /*
- * Too late if the connection already made
- */
- if (vm != null) {
- return false;
- }
-
- Connector.Argument argument = connectorArgs.get(name);
- if (argument == null) {
- return false;
- }
- argument.setValue(value);
- return true;
- }
-
- String connectorArg(String name) {
- Connector.Argument argument = connectorArgs.get(name);
- if (argument == null) {
- return "";
- }
- return argument.value();
- }
-
- public synchronized VirtualMachine vm() {
+ final synchronized VirtualMachine vm() {
if (vm == null) {
throw new JDINotConnectedException();
} else {
@@ -164,14 +177,10 @@
}
}
- synchronized boolean isOpen() {
+ private synchronized boolean isOpen() {
return (vm != null);
}
- boolean isLaunch() {
- return (connector instanceof LaunchingConnector);
- }
-
synchronized boolean isRunning() {
return process != null && process.isAlive();
}
@@ -181,7 +190,7 @@
active = false;
}
- public synchronized void disposeVM() {
+ synchronized void disposeVM() {
try {
if (vm != null) {
vm.dispose(); // This could NPE, so it is caught below
@@ -189,6 +198,8 @@
}
} catch (VMDisconnectedException ex) {
// Ignore if already closed
+ } catch (Throwable e) {
+ ec.debug(DBG_GEN, null, "disposeVM threw: " + e);
} finally {
if (process != null) {
process.destroy();
@@ -198,41 +209,6 @@
}
}
-/*** Preserved for possible future support of event requests
-
- private void installEventRequests(VirtualMachine vm) {
- if (vm.canBeModified()){
- setEventRequests(vm);
- resolveEventRequests();
- }
- }
-
- private void setEventRequests(VirtualMachine vm) {
- EventRequestManager erm = vm.eventRequestManager();
-
- // Normally, we want all uncaught exceptions. We request them
- // via the same mechanism as Commands.commandCatchException()
- // so the user can ignore them later if they are not
- // interested.
- // FIXME: this works but generates spurious messages on stdout
- // during startup:
- // Set uncaught java.lang.Throwable
- // Set deferred uncaught java.lang.Throwable
- Commands evaluator = new Commands();
- evaluator.commandCatchException
- (new StringTokenizer("uncaught java.lang.Throwable"));
-
- ThreadStartRequest tsr = erm.createThreadStartRequest();
- tsr.enable();
- ThreadDeathRequest tdr = erm.createThreadDeathRequest();
- tdr.enable();
- }
-
- private void resolveEventRequests() {
- Env.specList.resolveAll();
- }
-***/
-
private void dumpStream(InputStream inStream, final PrintStream pStream) throws IOException {
BufferedReader in =
new BufferedReader(new InputStreamReader(inStream));
@@ -270,7 +246,7 @@
dumpStream(inStream, pStream);
} catch (IOException ex) {
ec.debug(ex, "Failed reading output");
- ec.jdiEnv.shutdown();
+ ec.handleVMExit();
} finally {
notifyOutputComplete();
}
@@ -297,7 +273,7 @@
}
} catch (IOException ex) {
ec.debug(ex, "Failed reading output");
- ec.jdiEnv.shutdown();
+ ec.handleVMExit();
}
}
};
@@ -305,15 +281,19 @@
thr.start();
}
+ private void forwardIO() {
+ displayRemoteOutput(process.getErrorStream(), ec.execEnv.userErr());
+ displayRemoteOutput(process.getInputStream(), ec.execEnv.userOut());
+ readRemoteInput(process.getOutputStream(), ec.execEnv.userIn());
+ }
+
/* launch child target vm */
private VirtualMachine launchTarget() {
LaunchingConnector launcher = (LaunchingConnector)connector;
try {
VirtualMachine new_vm = launcher.launch(connectorArgs);
process = new_vm.process();
- displayRemoteOutput(process.getErrorStream(), ec.execEnv.userErr());
- displayRemoteOutput(process.getInputStream(), ec.execEnv.userOut());
- readRemoteInput(process.getOutputStream(), ec.execEnv.userIn());
+ forwardIO();
return new_vm;
} catch (Exception ex) {
reportLaunchFail(ex, "launch");
@@ -321,25 +301,35 @@
return null;
}
- /* JShell currently uses only launch, preserved for futures: */
- /* attach to running target vm */
- private VirtualMachine attachTarget() {
- AttachingConnector attacher = (AttachingConnector)connector;
+ /**
+ * Directly launch the remote agent and connect JDI to it with a
+ * ListeningConnector.
+ */
+ private VirtualMachine listenTarget(int port, List<String> remoteVMOptions) {
+ ListeningConnector listener = (ListeningConnector) connector;
try {
- return attacher.attach(connectorArgs);
- } catch (Exception ex) {
- reportLaunchFail(ex, "attach");
- }
- return null;
- }
+ // Start listening, get the JDI connection address
+ String addr = listener.startListening(connectorArgs);
+ ec.debug(DBG_GEN, "Listening at address: " + addr);
- /* JShell currently uses only launch, preserved for futures: */
- /* listen for connection from target vm */
- private VirtualMachine listenTarget() {
- ListeningConnector listener = (ListeningConnector)connector;
- try {
- String retAddress = listener.startListening(connectorArgs);
- ec.debug(DBG_GEN, "Listening at address: " + retAddress);
+ // Launch the RemoteAgent requesting a connection on that address
+ String javaHome = System.getProperty("java.home");
+ List<String> args = new ArrayList<>();
+ args.add(javaHome == null
+ ? "java"
+ : javaHome + File.separator + "bin" + File.separator + "java");
+ args.add("-agentlib:jdwp=transport=" + connector.transport().name() +
+ ",address=" + addr);
+ args.addAll(remoteVMOptions);
+ args.add(REMOTE_AGENT);
+ args.add("" + port);
+ ProcessBuilder pb = new ProcessBuilder(args);
+ process = pb.start();
+
+ // Forward out, err, and in
+ forwardIO();
+
+ // Accept the connection from the remote agent
vm = listener.accept(connectorArgs);
listener.stopListening(connectorArgs);
return vm;
@@ -353,4 +343,4 @@
throw new InternalError("Failed remote " + context + ": " + connector +
" -- " + connectorArgs, ex);
}
-}
+}
\ No newline at end of file
--- a/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/JDIEnv.java Thu Jun 02 12:52:00 2016 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,80 +0,0 @@
-/*
- * Copyright (c) 1998, 2015, 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 jdk.internal.jshell.jdi;
-
-import java.util.Map;
-
-import com.sun.jdi.*;
-import static jdk.internal.jshell.debug.InternalDebugControl.DBG_GEN;
-
-/**
- * Representation of a Java Debug Interface environment
- * Select methods extracted from jdb Env; shutdown() adapted to JShell shutdown.
- */
-class JDIEnv {
-
- private JDIConnection connection;
- private final JDIExecutionControl ec;
-
- JDIEnv(JDIExecutionControl ec) {
- this.ec = ec;
- }
-
- void init(String connectorName, Map<String, String> argumentName2Value, boolean openNow, int flags) {
- connection = new JDIConnection(ec, connectorName, argumentName2Value, flags);
- if (!connection.isLaunch() || openNow) {
- connection.open();
- }
- }
-
- JDIConnection connection() {
- return connection;
- }
-
- VirtualMachine vm() {
- return connection.vm();
- }
-
- void shutdown() {
- if (connection != null) {
- try {
- connection.disposeVM();
- } catch (VMDisconnectedException e) {
- // Shutting down after the VM has gone away. This is
- // not an error, and we just ignore it.
- } catch (Throwable e) {
- ec.debug(DBG_GEN, null, "disposeVM threw: " + e);
- }
- }
- if (ec.execEnv.state() != null) { // If state has been set-up
- try {
- ec.execEnv.closeDown();
- } catch (Throwable e) {
- ec.debug(DBG_GEN, null, "state().closeDown() threw: " + e);
- }
- }
- }
-}
--- a/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/JDIEventHandler.java Thu Jun 02 12:52:00 2016 -0700
+++ b/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/JDIEventHandler.java Thu Jun 02 14:05:13 2016 -0700
@@ -25,6 +25,7 @@
package jdk.internal.jshell.jdi;
+import java.util.function.Consumer;
import com.sun.jdi.*;
import com.sun.jdi.event.*;
@@ -34,16 +35,20 @@
*/
class JDIEventHandler implements Runnable {
- Thread thread;
- volatile boolean connected = true;
- boolean completed = false;
- String shutdownMessageKey;
- final JDIEnv env;
+ private final Thread thread;
+ private volatile boolean connected = true;
+ private boolean completed = false;
+ private final VirtualMachine vm;
+ private final Consumer<Boolean> reportVMExit;
- JDIEventHandler(JDIEnv env) {
- this.env = env;
+ JDIEventHandler(VirtualMachine vm, Consumer<Boolean> reportVMExit) {
+ this.vm = vm;
+ this.reportVMExit = reportVMExit;
this.thread = new Thread(this, "event-handler");
- this.thread.start();
+ }
+
+ void start() {
+ thread.start();
}
synchronized void shutdown() {
@@ -56,7 +61,7 @@
@Override
public void run() {
- EventQueue queue = env.vm().eventQueue();
+ EventQueue queue = vm.eventQueue();
while (connected) {
try {
EventSet eventSet = queue.remove();
@@ -111,27 +116,23 @@
private void handleExitEvent(Event event) {
if (event instanceof VMDeathEvent) {
vmDied = true;
- shutdownMessageKey = "The application exited";
} else if (event instanceof VMDisconnectEvent) {
connected = false;
- if (!vmDied) {
- shutdownMessageKey = "The application has been disconnected";
- }
} else {
throw new InternalError("Unexpected event type: " +
event.getClass());
}
- env.shutdown();
+ reportVMExit.accept(vmDied);
}
- synchronized void handleDisconnectedException() {
+ private synchronized void handleDisconnectedException() {
/*
* A VMDisconnectedException has happened while dealing with
* another event. We need to flush the event queue, dealing only
* with exit events (VMDeath, VMDisconnect) so that we terminate
* correctly.
*/
- EventQueue queue = env.vm().eventQueue();
+ EventQueue queue = vm.eventQueue();
while (connected) {
try {
EventSet eventSet = queue.remove();
--- a/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/JDIExecutionControl.java Thu Jun 02 12:52:00 2016 -0700
+++ b/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/JDIExecutionControl.java Thu Jun 02 14:05:13 2016 -0700
@@ -34,13 +34,20 @@
import java.io.PrintStream;
import java.net.ServerSocket;
import java.net.Socket;
-import com.sun.jdi.*;
import java.io.EOFException;
import java.util.Arrays;
import java.util.Collection;
-import java.util.HashMap;
import java.util.List;
import java.util.Map;
+import com.sun.jdi.BooleanValue;
+import com.sun.jdi.ClassNotLoadedException;
+import com.sun.jdi.IncompatibleThreadStateException;
+import com.sun.jdi.InvalidTypeException;
+import com.sun.jdi.ObjectReference;
+import com.sun.jdi.ReferenceType;
+import com.sun.jdi.StackFrame;
+import com.sun.jdi.ThreadReference;
+import com.sun.jdi.VirtualMachine;
import static java.util.stream.Collectors.toList;
import jdk.jshell.JShellException;
import jdk.jshell.spi.ExecutionControl;
@@ -59,13 +66,28 @@
public class JDIExecutionControl implements ExecutionControl {
ExecutionEnv execEnv;
- JDIEnv jdiEnv;
- private ClassTracker tracker;
- private JDIEventHandler handler;
+ private final boolean isLaunch;
+ private JDIConnection connection;
+ private ClassTracker classTracker;
private Socket socket;
private ObjectInputStream remoteIn;
private ObjectOutputStream remoteOut;
- private String remoteVMOptions;
+
+ /**
+ * Creates an ExecutionControl instance based on JDI.
+ *
+ * @param isLaunch true for LaunchingConnector; false for ListeningConnector
+ */
+ public JDIExecutionControl(boolean isLaunch) {
+ this.isLaunch = isLaunch;
+ }
+
+ /**
+ * Creates an ExecutionControl instance based on a JDI LaunchingConnector.
+ */
+ public JDIExecutionControl() {
+ this.isLaunch = true;
+ }
/**
* Initializes the launching JDI execution engine. Initialize JDI and use it
@@ -79,20 +101,12 @@
@Override
public void start(ExecutionEnv execEnv) throws IOException {
this.execEnv = execEnv;
- this.jdiEnv = new JDIEnv(this);
- this.tracker = new ClassTracker(jdiEnv);
StringBuilder sb = new StringBuilder();
- execEnv.extraRemoteVMOptions().stream()
- .forEach(s -> {
- sb.append(" ");
- sb.append(s);
- });
- this.remoteVMOptions = sb.toString();
try (ServerSocket listener = new ServerSocket(0)) {
// timeout after 60 seconds
listener.setSoTimeout(60000);
int port = listener.getLocalPort();
- jdiGo(port);
+ connection = new JDIConnection(this, port, execEnv.extraRemoteVMOptions(), isLaunch);
this.socket = listener.accept();
// out before in -- match remote creation so we don't hang
this.remoteOut = new ObjectOutputStream(socket.getOutputStream());
@@ -109,16 +123,15 @@
@Override
public void close() {
try {
- JDIConnection c = jdiEnv.connection();
- if (c != null) {
- c.beginShutdown();
+ if (connection != null) {
+ connection.beginShutdown();
}
if (remoteOut != null) {
remoteOut.writeInt(CMD_EXIT);
remoteOut.flush();
}
- if (c != null) {
- c.disposeVM();
+ if (connection != null) {
+ connection.disposeVM();
}
} catch (IOException ex) {
debug(DBG_GEN, "Exception on JDI exit: %s\n", ex);
@@ -185,9 +198,9 @@
return result;
}
} catch (IOException | RuntimeException ex) {
- if (!jdiEnv.connection().isRunning()) {
+ if (!connection.isRunning()) {
// The JDI connection is no longer live, shutdown.
- jdiEnv.shutdown();
+ handleVMExit();
} else {
debug(DBG_GEN, "Exception on remote invoke: %s\n", ex);
return "Execution failure: " + ex.getMessage();
@@ -221,7 +234,7 @@
return result;
}
} catch (EOFException ex) {
- jdiEnv.shutdown();
+ handleVMExit();
} catch (IOException ex) {
debug(DBG_GEN, "Exception on remote var value: %s\n", ex);
return "Execution failure: " + ex.getMessage();
@@ -273,7 +286,7 @@
ci -> ci.getReferenceTypeOrNull(),
ci -> ci.getBytes()));
// Attempt redefine. Throws exceptions on failure.
- jdiEnv.vm().redefineClasses(rmp);
+ connection.vm().redefineClasses(rmp);
// Successful: mark the bytes as loaded.
infos.stream()
.forEach(ci -> ci.markLoaded());
@@ -287,6 +300,24 @@
}
}
+ // the VM has gone down in flames or because user evaled System.exit() or the like
+ void handleVMExit() {
+ if (connection != null) {
+ // If there is anything left dispose of it
+ connection.disposeVM();
+ }
+ // Tell JShell-core that the VM has died
+ execEnv.closeDown();
+ }
+
+ // Lazy init class tracker
+ private ClassTracker classTracker() {
+ if (classTracker == null) {
+ classTracker = new ClassTracker(connection.vm());
+ }
+ return classTracker;
+ }
+
/**
* Converts a collection of class names into ClassInfo instances associated
* with the most recently compiled class bytes.
@@ -296,7 +327,7 @@
*/
private List<ClassInfo> withBytes(Collection<String> classes) {
return classes.stream()
- .map(cn -> tracker.classInfo(cn, execEnv.getClassBytes(cn)))
+ .map(cn -> classTracker().classInfo(cn, execEnv.getClassBytes(cn)))
.collect(toList());
}
@@ -310,7 +341,7 @@
*/
@Override
public ClassStatus getClassStatus(String classname) {
- ClassInfo ci = tracker.get(classname);
+ ClassInfo ci = classTracker().get(classname);
if (ci.getReferenceTypeOrNull() == null) {
// If the class does not have a JDI ReferenceType it has not been loaded
return ClassStatus.UNKNOWN;
@@ -403,37 +434,6 @@
return elems;
}
- /**
- * Launch the remote agent as a JDI connection.
- *
- * @param port the socket port for (non-JDI) commands
- */
- private void jdiGo(int port) {
- //MessageOutput.textResources = ResourceBundle.getBundle("impl.TTYResources",
- // Locale.getDefault());
-
- // Set-up for a fresh launch of a remote agent with any user-specified VM options.
- String connectorName = "com.sun.jdi.CommandLineLaunch";
- Map<String, String> argumentName2Value = new HashMap<>();
- argumentName2Value.put("main", "jdk.internal.jshell.remote.RemoteAgent " + port);
- argumentName2Value.put("options", remoteVMOptions);
-
- boolean launchImmediately = true;
- int traceFlags = 0;// VirtualMachine.TRACE_SENDS | VirtualMachine.TRACE_EVENTS;
-
- // Launch.
- jdiEnv.init(connectorName, argumentName2Value, launchImmediately, traceFlags);
-
- if (jdiEnv.connection().isOpen() && jdiEnv.vm().canBeModified()) {
- /*
- * Connection opened on startup. Start event handler
- * immediately, telling it (through arg 2) to stop on the
- * VM start event.
- */
- handler = new JDIEventHandler(jdiEnv);
- }
- }
-
private final Object STOP_LOCK = new Object();
private boolean userCodeRunning = false;
@@ -447,7 +447,7 @@
return;
}
- VirtualMachine vm = handler.env.vm();
+ VirtualMachine vm = connection.vm();
vm.suspend();
try {
OUTER:
--- a/langtools/src/jdk.jshell/share/classes/jdk/jshell/JShell.java Thu Jun 02 12:52:00 2016 -0700
+++ b/langtools/src/jdk.jshell/share/classes/jdk/jshell/JShell.java Thu Jun 02 14:05:13 2016 -0700
@@ -44,6 +44,7 @@
import java.util.function.Supplier;
import jdk.internal.jshell.debug.InternalDebugControl;
+import jdk.internal.jshell.jdi.FailOverExecutionControl;
import static java.util.stream.Collectors.collectingAndThen;
import static java.util.stream.Collectors.toList;
import static jdk.jshell.Util.expunge;
@@ -112,7 +113,9 @@
this.idGenerator = b.idGenerator;
this.extraRemoteVMOptions = b.extraRemoteVMOptions;
this.executionControl = b.executionControl==null
- ? new JDIExecutionControl()
+ ? new FailOverExecutionControl(
+ new JDIExecutionControl(),
+ new JDIExecutionControl(false))
: b.executionControl;
this.maps = new SnippetMaps(this);
@@ -759,7 +762,11 @@
if (!closed) {
// Send only once
closed = true;
- notifyShutdownEvent(this);
+ try {
+ notifyShutdownEvent(this);
+ } catch (Throwable thr) {
+ // Don't care about dying exceptions
+ }
}
}
--- a/langtools/test/jdk/jshell/ExecutionControlTest.java Thu Jun 02 12:52:00 2016 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,150 +0,0 @@
-/*
- * Copyright (c) 2016, 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.
- *
- * 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.
- */
-
-/*
- * @test
- * @bug 8156101
- * @summary Tests for ExecutionControl SPI
- * @build KullaTesting LocalExecutionControl
- * @run testng ExecutionControlTest
- */
-
-
-import javax.tools.Diagnostic;
-
-import jdk.jshell.VarSnippet;
-import org.testng.annotations.Test;
-
-import static jdk.jshell.Snippet.Status.VALID;
-import static jdk.jshell.Snippet.SubKind.*;
-import static org.testng.Assert.assertEquals;
-import org.testng.annotations.BeforeMethod;
-
-@Test
-public class ExecutionControlTest extends KullaTesting {
-
- @BeforeMethod
- @Override
- public void setUp() {
- setUp(new LocalExecutionControl());
- }
-
- public void verifyLocal() throws ClassNotFoundException, NoSuchFieldException, IllegalArgumentException, IllegalAccessException {
- System.setProperty("LOCAL_CHECK", "TBD");
- assertEquals(System.getProperty("LOCAL_CHECK"), "TBD");
- assertEval("System.setProperty(\"LOCAL_CHECK\", \"local\")");
- assertEquals(System.getProperty("LOCAL_CHECK"), "local");
- }
-
- public void classesDeclaration() {
- assertEval("interface A { }");
- assertEval("class B implements A { }");
- assertEval("interface C extends A { }");
- assertEval("enum D implements C { }");
- assertEval("@interface E { }");
- assertClasses(
- clazz(KullaTesting.ClassType.INTERFACE, "A"),
- clazz(KullaTesting.ClassType.CLASS, "B"),
- clazz(KullaTesting.ClassType.INTERFACE, "C"),
- clazz(KullaTesting.ClassType.ENUM, "D"),
- clazz(KullaTesting.ClassType.ANNOTATION, "E"));
- assertActiveKeys();
- }
-
- @Test
- public void interfaceTest() {
- String interfaceSource
- = "interface A {\n"
- + " default int defaultMethod() { return 1; }\n"
- + " static int staticMethod() { return 2; }\n"
- + " int method();\n"
- + " class Inner1 {}\n"
- + " static class Inner2 {}\n"
- + "}";
- assertEval(interfaceSource);
- assertEval("A.staticMethod();", "2");
- String classSource
- = "class B implements A {\n"
- + " public int method() { return 3; }\n"
- + "}";
- assertEval(classSource);
- assertEval("B b = new B();");
- assertEval("b.defaultMethod();", "1");
- assertDeclareFail("B.staticMethod();",
- new ExpectedDiagnostic("compiler.err.cant.resolve.location.args", 0, 14, 1, -1, -1, Diagnostic.Kind.ERROR));
- assertEval("b.method();", "3");
- assertEval("new A.Inner1();");
- assertEval("new A.Inner2();");
- assertEval("new B.Inner1();");
- assertEval("new B.Inner2();");
- }
-
- public void variables() {
- VarSnippet snx = varKey(assertEval("int x = 10;"));
- VarSnippet sny = varKey(assertEval("String y = \"hi\";"));
- VarSnippet snz = varKey(assertEval("long z;"));
- assertVariables(variable("int", "x"), variable("String", "y"), variable("long", "z"));
- assertVarValue(snx, "10");
- assertVarValue(sny, "\"hi\"");
- assertVarValue(snz, "0");
- assertActiveKeys();
- }
-
- public void methodOverload() {
- assertEval("int m() { return 1; }");
- assertEval("int m(int x) { return 2; }");
- assertEval("int m(String s) { return 3; }");
- assertEval("int m(int x, int y) { return 4; }");
- assertEval("int m(int x, String z) { return 5; }");
- assertEval("int m(int x, String z, long g) { return 6; }");
- assertMethods(
- method("()int", "m"),
- method("(int)int", "m"),
- method("(String)int", "m"),
- method("(int,int)int", "m"),
- method("(int,String)int", "m"),
- method("(int,String,long)int", "m")
- );
- assertEval("m();", "1");
- assertEval("m(3);", "2");
- assertEval("m(\"hi\");", "3");
- assertEval("m(7, 8);", "4");
- assertEval("m(7, \"eight\");", "5");
- assertEval("m(7, \"eight\", 9L);", "6");
- assertActiveKeys();
- }
-
- public void testExprSanity() {
- assertEval("int x = 3;", "3");
- assertEval("int y = 4;", "4");
- assertEval("x + y;", "7");
- assertActiveKeys();
- }
-
- public void testImportOnDemand() {
- assertImportKeyMatch("import java.util.*;", "java.util.*", TYPE_IMPORT_ON_DEMAND_SUBKIND, added(VALID));
- assertEval("List<Integer> list = new ArrayList<>();");
- assertEval("list.add(45);");
- assertEval("list.size();", "1");
- }
-}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/jdk/jshell/ExecutionControlTestBase.java Thu Jun 02 14:05:13 2016 -0700
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ * 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.
+ */
+
+import javax.tools.Diagnostic;
+
+import jdk.jshell.VarSnippet;
+
+import static jdk.jshell.Snippet.Status.VALID;
+import static jdk.jshell.Snippet.SubKind.*;
+
+public class ExecutionControlTestBase extends KullaTesting {
+
+ public void classesDeclaration() {
+ assertEval("interface A { }");
+ assertEval("class B implements A { }");
+ assertEval("interface C extends A { }");
+ assertEval("enum D implements C { }");
+ assertEval("@interface E { }");
+ assertClasses(
+ clazz(KullaTesting.ClassType.INTERFACE, "A"),
+ clazz(KullaTesting.ClassType.CLASS, "B"),
+ clazz(KullaTesting.ClassType.INTERFACE, "C"),
+ clazz(KullaTesting.ClassType.ENUM, "D"),
+ clazz(KullaTesting.ClassType.ANNOTATION, "E"));
+ assertActiveKeys();
+ }
+
+ public void interfaceTest() {
+ String interfaceSource
+ = "interface A {\n"
+ + " default int defaultMethod() { return 1; }\n"
+ + " static int staticMethod() { return 2; }\n"
+ + " int method();\n"
+ + " class Inner1 {}\n"
+ + " static class Inner2 {}\n"
+ + "}";
+ assertEval(interfaceSource);
+ assertEval("A.staticMethod();", "2");
+ String classSource
+ = "class B implements A {\n"
+ + " public int method() { return 3; }\n"
+ + "}";
+ assertEval(classSource);
+ assertEval("B b = new B();");
+ assertEval("b.defaultMethod();", "1");
+ assertDeclareFail("B.staticMethod();",
+ new ExpectedDiagnostic("compiler.err.cant.resolve.location.args", 0, 14, 1, -1, -1, Diagnostic.Kind.ERROR));
+ assertEval("b.method();", "3");
+ assertEval("new A.Inner1();");
+ assertEval("new A.Inner2();");
+ assertEval("new B.Inner1();");
+ assertEval("new B.Inner2();");
+ }
+
+ public void variables() {
+ VarSnippet snx = varKey(assertEval("int x = 10;"));
+ VarSnippet sny = varKey(assertEval("String y = \"hi\";"));
+ VarSnippet snz = varKey(assertEval("long z;"));
+ assertVariables(variable("int", "x"), variable("String", "y"), variable("long", "z"));
+ assertVarValue(snx, "10");
+ assertVarValue(sny, "\"hi\"");
+ assertVarValue(snz, "0");
+ assertActiveKeys();
+ }
+
+ public void methodOverload() {
+ assertEval("int m() { return 1; }");
+ assertEval("int m(int x) { return 2; }");
+ assertEval("int m(String s) { return 3; }");
+ assertEval("int m(int x, int y) { return 4; }");
+ assertEval("int m(int x, String z) { return 5; }");
+ assertEval("int m(int x, String z, long g) { return 6; }");
+ assertMethods(
+ method("()int", "m"),
+ method("(int)int", "m"),
+ method("(String)int", "m"),
+ method("(int,int)int", "m"),
+ method("(int,String)int", "m"),
+ method("(int,String,long)int", "m")
+ );
+ assertEval("m();", "1");
+ assertEval("m(3);", "2");
+ assertEval("m(\"hi\");", "3");
+ assertEval("m(7, 8);", "4");
+ assertEval("m(7, \"eight\");", "5");
+ assertEval("m(7, \"eight\", 9L);", "6");
+ assertActiveKeys();
+ }
+
+ public void testExprSanity() {
+ assertEval("int x = 3;", "3");
+ assertEval("int y = 4;", "4");
+ assertEval("x + y;", "7");
+ assertActiveKeys();
+ }
+
+ public void testImportOnDemand() {
+ assertImportKeyMatch("import java.util.*;", "java.util.*", TYPE_IMPORT_ON_DEMAND_SUBKIND, added(VALID));
+ assertEval("List<Integer> list = new ArrayList<>();");
+ assertEval("list.add(45);");
+ assertEval("list.size();", "1");
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/jdk/jshell/FailOverExecutionControlTest.java Thu Jun 02 14:05:13 2016 -0700
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 8131029
+ * @summary Test that fail-over works for FailOverExecutionControl
+ * @modules jdk.jshell/jdk.internal.jshell.jdi
+ * jdk.jshell/jdk.jshell.spi
+ * @build KullaTesting ExecutionControlTestBase
+ * @run testng FailOverExecutionControlTest
+ */
+
+
+import java.util.Collection;
+import org.testng.annotations.Test;
+import org.testng.annotations.BeforeMethod;
+import jdk.internal.jshell.jdi.FailOverExecutionControl;
+import jdk.internal.jshell.jdi.JDIExecutionControl;
+import jdk.jshell.JShellException;
+import jdk.jshell.spi.ExecutionControl;
+import jdk.jshell.spi.ExecutionEnv;
+
+@Test
+public class FailOverExecutionControlTest extends ExecutionControlTestBase {
+
+ @BeforeMethod
+ @Override
+ public void setUp() {
+ setUp(new FailOverExecutionControl(
+ new AlwaysFailingExecutionControl(),
+ new AlwaysFailingExecutionControl(),
+ new JDIExecutionControl()));
+ }
+
+ class AlwaysFailingExecutionControl implements ExecutionControl {
+
+ @Override
+ public void start(ExecutionEnv env) throws Exception {
+ throw new UnsupportedOperationException("This operation intentionally broken.");
+ }
+
+ @Override
+ public void close() {
+ throw new UnsupportedOperationException("This operation intentionally broken.");
+ }
+
+ @Override
+ public boolean addToClasspath(String path) {
+ throw new UnsupportedOperationException("This operation intentionally broken.");
+ }
+
+ @Override
+ public String invoke(String classname, String methodname) throws JShellException {
+ throw new UnsupportedOperationException("This operation intentionally broken.");
+ }
+
+ @Override
+ public boolean load(Collection<String> classes) {
+ throw new UnsupportedOperationException("This operation intentionally broken.");
+ }
+
+ @Override
+ public boolean redefine(Collection<String> classes) {
+ throw new UnsupportedOperationException("This operation intentionally broken.");
+ }
+
+ @Override
+ public ClassStatus getClassStatus(String classname) {
+ throw new UnsupportedOperationException("This operation intentionally broken.");
+ }
+
+ @Override
+ public void stop() {
+ throw new UnsupportedOperationException("This operation intentionally broken.");
+ }
+
+ @Override
+ public String varValue(String classname, String varname) {
+ throw new UnsupportedOperationException("This operation intentionally broken.");
+ }
+
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/jdk/jshell/JDIListeningExecutionControlTest.java Thu Jun 02 14:05:13 2016 -0700
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 8131029
+ * @summary Tests for alternate JDI connector -- listening
+ * @modules jdk.jshell/jdk.internal.jshell.jdi
+ * @build KullaTesting ExecutionControlTestBase
+ * @run testng JDIListeningExecutionControlTest
+ */
+
+
+import org.testng.annotations.Test;
+import org.testng.annotations.BeforeMethod;
+import jdk.internal.jshell.jdi.JDIExecutionControl;
+
+@Test
+public class JDIListeningExecutionControlTest extends ExecutionControlTestBase {
+
+ @BeforeMethod
+ @Override
+ public void setUp() {
+ setUp(new JDIExecutionControl(false));
+ }
+}
--- a/langtools/test/jdk/jshell/ToolBasicTest.java Thu Jun 02 12:52:00 2016 -0700
+++ b/langtools/test/jdk/jshell/ToolBasicTest.java Thu Jun 02 14:05:13 2016 -0700
@@ -560,6 +560,7 @@
);
}
+ @Test(enabled = false) // TODO 8158197
public void testHeadlessEditPad() {
String prevHeadless = System.getProperty("java.awt.headless");
try {
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/jdk/jshell/UserExecutionControlTest.java Thu Jun 02 14:05:13 2016 -0700
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 8156101
+ * @summary Tests for ExecutionControl SPI
+ * @build KullaTesting LocalExecutionControl ExecutionControlTestBase
+ * @run testng UserExecutionControlTest
+ */
+
+
+import org.testng.annotations.Test;
+import static org.testng.Assert.assertEquals;
+import org.testng.annotations.BeforeMethod;
+
+@Test
+public class UserExecutionControlTest extends ExecutionControlTestBase {
+
+ @BeforeMethod
+ @Override
+ public void setUp() {
+ setUp(new LocalExecutionControl());
+ }
+
+ public void verifyLocal() throws ClassNotFoundException, NoSuchFieldException, IllegalArgumentException, IllegalAccessException {
+ System.setProperty("LOCAL_CHECK", "TBD");
+ assertEquals(System.getProperty("LOCAL_CHECK"), "TBD");
+ assertEval("System.setProperty(\"LOCAL_CHECK\", \"local\")");
+ assertEquals(System.getProperty("LOCAL_CHECK"), "local");
+ }
+
+}