initJdwpRequest();
try {
JdwpReplyPacket replyPacket = requestVM(
JdwpCommandPacket.HCR_GET_CLASS_VERSION, this);
defaultReplyErrorHandler(replyPacket.errorCode());
DataInputStream replyData = replyPacket.dataInStream();
fIsHCREligible = readBoolean("HCR eligible", replyData); //$NON-NLS-1$
fIsVersionKnown = readBoolean("version known", replyData); //$NON-NLS-1$
fClassFileVersion = readInt("class file version", replyData); //$NON-NLS-1$
fGotClassFileVersion = true;
return fClassFileVersion;