Application aborted

[fcrisciani]

I see this error:

E1115 06:01:59.641457364     198 completion_queue.cc:67]     assertion failed: !uv_is_active((uv_handle_t *)&prepare)

This is the line: https://github.com/grpc/grpc/blame/v1.7.x/src/node/ext/completion_queue.cc#L67

What I'm doing differently from before is to call the client.waitForReady every time before calling an RPC method.

Any idea?

[hhamilto]

I'm having the same issue -- had to downgrade to 1.6.6

[fcrisciani]

@hhamilto do you use a similar approach to guarantee that the connection is established before issueing an RPC call?
I have a series of microservices in node all interacting with grpc. I did not find a good way to track the connection status and restart it if drops, so I was opting for triggering the waitForReady before each call. Do you use any other approach? (I was also trying to inspect the channel connection status and eventually create a new client but anyway you should call the wait for ready on that one too)

[hhamilto]

I'm not calling client.waitForReady directly in my code, but I am calling grpc.waitForClientReady in different places.

I haven't come up with anything I consider a completely sure way of restarting the connection if it drops, but I do listen for the error event on the connection and restart if the code is 14:

		connection.on('error', function(err){
			if (err.code === 14) {
			    // ... reconnect code

[murgatroid99]

Thank you for bringing this to our attention. That assertion itself is incorrect due to a recent change that makes waitForReady work as intended. We will publish a patch release soon with the fix.