/**
* Returns true if the operation can continue.
*/
bool handleError(OperationContext* txn,
const DBException& ex,
const ParsedWriteOp& wholeOp,
WriteResult* out) {
LastError::get(txn->getClient()).setLastError(ex.getCode(), ex.getInfo().msg);
auto& curOp = *CurOp::get(txn);
curOp.debug().exceptionInfo = ex.getInfo();
if (ErrorCodes::isInterruption(ErrorCodes::Error(ex.getCode()))) {
throw; // These have always failed the whole batch.
}
if (ErrorCodes::isStaleShardingError(ErrorCodes::Error(ex.getCode()))) {
auto staleConfigException = dynamic_cast<const SendStaleConfigException*>(&ex);
if (!staleConfigException) {
// We need to get extra info off of the SCE, but some common patterns can result in the
// exception being converted to a Status then rethrown as a UserException, losing the
// info we need. It would be a bug if this happens so we want to detect it in testing,
// but it isn't severe enough that we should bring down the server if it happens in
// production.
dassert(staleConfigException);
msgassertedNoTrace(35475,
str::stream()
<< "Got a StaleConfig error but exception was the wrong type: "
<< demangleName(typeid(ex)));
}
ShardingState::get(txn)
->onStaleShardVersion(txn, wholeOp.ns, staleConfigException->getVersionReceived());
out->staleConfigException =
stdx::make_unique<SendStaleConfigException>(*staleConfigException);
return false;
}
out->results.emplace_back(ex.toStatus());
return wholeOp.continueOnError;
}
