What did you expect to see? No NPE. gRPC should gracefully handle any non-gRPC clients without spamming the log. In our case this is triggered by an active healtcheck from our loadbalancer. Jul 11, ...
at io.netty.channel.AbstractChannel$AbstractUnsafe.flush0(AbstractChannel.java:658) at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.flush0 ...