private void processException(Throwable e) {
if (e.getMessage() != null) {
myProgress.addMessage(myDebuggerSession, MessageCategory.ERROR, e.getMessage());
}
if (e instanceof ProcessCanceledException) {
myProgress.addMessage(
myDebuggerSession,
MessageCategory.INFORMATION,
DebuggerBundle.message("error.operation.canceled"));
return;
}
if (e instanceof UnsupportedOperationException) {
myProgress.addMessage(
myDebuggerSession,
MessageCategory.ERROR,
DebuggerBundle.message("error.operation.not.supported.by.vm"));
} else if (e instanceof NoClassDefFoundError) {
myProgress.addMessage(
myDebuggerSession,
MessageCategory.ERROR,
DebuggerBundle.message("error.class.def.not.found", e.getLocalizedMessage()));
} else if (e instanceof VerifyError) {
myProgress.addMessage(
myDebuggerSession,
MessageCategory.ERROR,
DebuggerBundle.message("error.verification.error", e.getLocalizedMessage()));
} else if (e instanceof UnsupportedClassVersionError) {
myProgress.addMessage(
myDebuggerSession,
MessageCategory.ERROR,
DebuggerBundle.message("error.unsupported.class.version", e.getLocalizedMessage()));
} else if (e instanceof ClassFormatError) {
myProgress.addMessage(
myDebuggerSession,
MessageCategory.ERROR,
DebuggerBundle.message("error.class.format.error", e.getLocalizedMessage()));
} else if (e instanceof ClassCircularityError) {
myProgress.addMessage(
myDebuggerSession,
MessageCategory.ERROR,
DebuggerBundle.message("error.class.circularity.error", e.getLocalizedMessage()));
} else {
myProgress.addMessage(
myDebuggerSession,
MessageCategory.ERROR,
DebuggerBundle.message(
"error.exception.while.reloading", e.getClass().getName(), e.getLocalizedMessage()));
}
}
private void reportProblem(final String qualifiedName, @Nullable Exception ex) {
String reason = null;
if (ex != null) {
reason = ex.getLocalizedMessage();
}
if (reason == null || reason.length() == 0) {
reason = DebuggerBundle.message("error.io.error");
}
final StringBuilder buf = StringBuilderSpinAllocator.alloc();
try {
buf.append(qualifiedName).append(" : ").append(reason);
myProgress.addMessage(myDebuggerSession, MessageCategory.ERROR, buf.toString());
} finally {
StringBuilderSpinAllocator.dispose(buf);
}
}
public void reloadClasses(final Map<String, HotSwapFile> modifiedClasses) {
DebuggerManagerThreadImpl.assertIsManagerThread();
if (modifiedClasses == null || modifiedClasses.size() == 0) {
myProgress.addMessage(
myDebuggerSession,
MessageCategory.INFORMATION,
DebuggerBundle.message("status.hotswap.loaded.classes.up.to.date"));
return;
}
final DebugProcessImpl debugProcess = getDebugProcess();
final VirtualMachineProxyImpl virtualMachineProxy = debugProcess.getVirtualMachineProxy();
final Project project = debugProcess.getProject();
final BreakpointManager breakpointManager =
(DebuggerManagerEx.getInstanceEx(project)).getBreakpointManager();
breakpointManager.disableBreakpoints(debugProcess);
// virtualMachineProxy.suspend();
try {
RedefineProcessor redefineProcessor = new RedefineProcessor(virtualMachineProxy);
int processedEntriesCount = 0;
for (final Map.Entry<String, HotSwapFile> entry : modifiedClasses.entrySet()) {
// stop if process is finished already
if (debugProcess.isDetached() || debugProcess.isDetaching()) {
break;
}
if (redefineProcessor.getProcessedClassesCount() == 0 && myProgress.isCancelled()) {
// once at least one class has been actually reloaded, do not interrupt the whole process
break;
}
processedEntriesCount++;
final String qualifiedName = entry.getKey();
if (qualifiedName != null) {
myProgress.setText(qualifiedName);
myProgress.setFraction(processedEntriesCount / (double) modifiedClasses.size());
}
try {
redefineProcessor.processClass(qualifiedName, entry.getValue().file);
} catch (IOException e) {
reportProblem(qualifiedName, e);
}
}
if (redefineProcessor.getProcessedClassesCount() == 0 && myProgress.isCancelled()) {
// once at least one class has been actually reloaded, do not interrupt the whole process
return;
}
redefineProcessor.processPending();
myProgress.setFraction(1);
final int partiallyRedefinedClassesCount =
redefineProcessor.getPartiallyRedefinedClassesCount();
if (partiallyRedefinedClassesCount == 0) {
myProgress.addMessage(
myDebuggerSession,
MessageCategory.INFORMATION,
DebuggerBundle.message(
"status.classes.reloaded", redefineProcessor.getProcessedClassesCount()));
} else {
final String message =
DebuggerBundle.message(
"status.classes.not.all.versions.reloaded",
partiallyRedefinedClassesCount,
redefineProcessor.getProcessedClassesCount());
myProgress.addMessage(myDebuggerSession, MessageCategory.WARNING, message);
}
LOG.debug("classes reloaded");
} catch (Throwable e) {
processException(e);
}
debugProcess.getPositionManager().clearCache();
DebuggerContextImpl context = myDebuggerSession.getContextManager().getContext();
SuspendContextImpl suspendContext = context.getSuspendContext();
if (suspendContext != null) {
XExecutionStack stack = suspendContext.getActiveExecutionStack();
if (stack != null) {
((JavaExecutionStack) stack).initTopFrame();
}
}
final Semaphore waitSemaphore = new Semaphore();
waitSemaphore.down();
//noinspection SSBasedInspection
SwingUtilities.invokeLater(
() -> {
try {
if (!project.isDisposed()) {
breakpointManager.reloadBreakpoints();
debugProcess.getRequestsManager().clearWarnings();
if (LOG.isDebugEnabled()) {
LOG.debug("requests updated");
LOG.debug("time stamp set");
}
myDebuggerSession.refresh(false);
XDebugSession session = myDebuggerSession.getXDebugSession();
if (session != null) {
session.rebuildViews();
}
}
} catch (Throwable e) {
LOG.error(e);
} finally {
waitSemaphore.up();
}
});
waitSemaphore.waitFor();
if (!project.isDisposed()) {
try {
breakpointManager.enableBreakpoints(debugProcess);
} catch (Exception e) {
processException(e);
}
}
}