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The following commit(s) were added to refs/heads/gh-pages by this push:
new f2fc6aa DRILL-7787: Apache drill failed to start
f2fc6aa is described below
commit f2fc6aa75b590bf93509424d8dc3784456dc7635
Author: luoc <[email protected]>
AuthorDate: Wed Dec 9 19:17:40 2020 +0800
DRILL-7787: Apache drill failed to start
---
_docs/install/045-distributed-mode-prerequisites.md | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/_docs/install/045-distributed-mode-prerequisites.md
b/_docs/install/045-distributed-mode-prerequisites.md
index 5e3bf48..b1367d4 100644
--- a/_docs/install/045-distributed-mode-prerequisites.md
+++ b/_docs/install/045-distributed-mode-prerequisites.md
@@ -13,4 +13,6 @@ Before you install Drill on nodes in a cluster, ensure that
the cluster meets th
* (Required) Running Oracle or OpenJDK 8
* (Required) Running a [ZooKeeper
quorum](https://zookeeper.apache.org/doc/r3.1.2/zookeeperStarted.html#sc_RunningReplicatedZooKeeper)
* (Recommended) Running a Hadoop cluster
- * (Recommended) Using DNS
+ * (Recommended) Using DNS
+
+ {% include startnote.html %}Start from Drill 1.18, ZK version is upgraded
to 3.5.7. So by default, we can't connect to the old ZK cluster (< 3.5). If we
need to use the previous ZK, let's do this: first, delete the zookeeper
dependency files in `${DRILL_HOME}/jars/ext`, then copy zookeeper-3.4.x.jar to
the directory, and finally restart the cluster.{% include endnote.html %}
