* fix(driver): jdbc sample for 3.0

* fix: drop table if exists

* test: valgrind case
Co-authored-by: NShengliang Guan <slguan@taosdata.com>
Co-authored-by: Shuduo Sang <sangshuduo@gmail.com>

Bumps log4j-core from 2.14.1 to 2.17.1.

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-type: direct:production
...
Signed-off-by: Ndependabot[bot] <support@github.com>
Signed-off-by: Ndependabot[bot] <support@github.com>
Co-authored-by: Ndependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

for 3.0