DataGrip 连接 HiveServer2 报错的问题

# 在 hive/bin 目录下的 hive-config.sh，最后一行就是设置 heap 的大小。
 69 # Default to use 256MB
 70 export HADOOP_HEAPSIZE=${HADOOP_HEAPSIZE:-2048}

lzq@hadoop102 ~ ulimit -a
-t: cpu time (seconds)    unlimited
-f: file size (blocks)    unlimited
-d: data seg size (kbytes)   unlimited
-s: stack size (kbytes)    8192
-c: core file size (blocks)   0
-m: resident set size (kbytes)  unlimited
-u: processes      10000
-n: file descriptors    4096
-l: locked-in-memory size (kbytes) 64
-v: address space (kbytes)   unlimited
-x: file locks      unlimited
-i: pending signals     31830
-q: bytes in POSIX msg queues  819200
-e: max nice      0
-r: max rt priority     0
-N 15:        unlimited

vim /etc/security/limits.conf 
在最后加入
* soft nofile 65535 
* hard nofile 65535 

 sudo yum install lsof -y

lsof | wc -l 
watch "lsof | wc -l" 

 lzq@hadoop102 ~ jps
25696 Jps
1522 NameNode
22627 RunJar
1716 DataNode
3140 Kafka
2309 NodeManager
2647 QuorumPeerMain
22889 RunJar
23322 RunJar

# RunJar 就是 HiveServer2 的进程
lsof -p pid | wc -l 
lsof -p 22627 | wc -l 
lsof -p 22889 | wc -l
lsof -p 23322 | wc -l