consumer group: bugfix regex consuming (from v0.8.0+)
v0.8.0 lost initializing the reSeen map in the group consumer, which
causes panics when consuming via regex as a group consumer.
@@ -137,6 +137,8 @@ func (c *consumer) initGroup() {
ctx: ctx,
cancel: cancel,
+ reSeen: make(map[string]bool),
+
manageDone: make(chan struct{}),
cooperative: c.cl.cfg.cooperative(),
tps: newTopicsPartitions(),
