xiaozhihong created IOTDB-2504:
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Summary: The first count query in the CLI reports an exception
Key: IOTDB-2504
URL: https://issues.apache.org/jira/browse/IOTDB-2504
Project: Apache IoTDB
Issue Type: Bug
Components: Core/Server
Affects Versions: 0.12.5
Reporter: xiaozhihong
description：
Enter the CLI, the first execution of count reports 500 exception, and the
query will be normal if executed again.
step 1: start server
step 2: enter cli
step 3: execute sql
{code:java}
[xzh@i-s9p350bm apache-iotdb-0.12.5-SNAPSHOT-all-bin]$ ./sbin/start-cli.sh
---------------------
Starting IoTDB Cli
---------------------
_____ _________ ______ ______
|_ _| | _ _ ||_ _ `.|_ _ \
| | .--.|_/ | | \_| | | `. \ | |_) |
| | / .'`\ \ | | | | | | | __'.
_| |_| \__. | _| |_ _| |_.' /_| |__) |
|_____|'.__.' |_____| |______.'|_______/ version 0.12.5-SNAPSHOT
IoTDB> login successfully
IoTDB> select count(s_0) from root.test.g_0.d_0
Msg: 500: [INTERNAL_SERVER_ERROR] Exception occurred while executing "select
count(s_0) from root.test.g_0.d_0". java.lang.NullPointerException
IoTDB> select count(s_0) from root.test.g_0.d_0
+----------------------------+
|count(root.test.g_0.d_0.s_0)|
+----------------------------+
| 2000000000|
+----------------------------+
Total line number = 1
It costs 2.169s
{code}
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