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[TASK][TRIVIAL] Avoid NPE in MySQLErrPacket #6291

Closed
3 tasks done
wForget opened this issue Apr 11, 2024 · 2 comments
Closed
3 tasks done

[TASK][TRIVIAL] Avoid NPE in MySQLErrPacket #6291

wForget opened this issue Apr 11, 2024 · 2 comments
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@zhaohehuhu

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@wForget
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wForget commented Apr 11, 2024 •
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What's the level of this task?

TRIVIAL

Code of Conduct

Search before creating

  • I have searched in the task list and found no similar tasks.

Mentor

  • I have sufficient expertise on this task, and I volunteer to be a mentor of this task to guide contributors through the task.

Skill requirements

  • Basic knowledge on scala

Background and Goals

NullPointerException may occur in MySQLErrPacket

- transfer connection url when opening connection
java.lang.NullPointerException
	at org.apache.kyuubi.server.mysql.MySQLErrPacket$.apply(MySQLGenericPackets.scala:57)
	at org.apache.kyuubi.server.mysql.MySQLCommandHandler.exceptionCaught(MySQLCommandHandler.scala:63)
	at org.apache.kyuubi.server.mysql.MySQLCommandHandler.$anonfun$channelRead0$2(MySQLCommandHandler.scala:86)
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:64)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:750)

Implementation steps

Add non-null detection for e.getMessage

Additional context

Introduction of 2024H1 Kyuubi Code Contribution Program
@zhaohehuhu
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plz assign this task to me @wForget

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wForget commented Apr 11, 2024

plz assign this task to me @wForget

thanks, assigned

@zhaohehuhu zhaohehuhu mentioned this issue Apr 11, 2024
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4 tasks
pan3793 pushed a commit that referenced this issue Apr 11, 2024
@zhaohehuhu @dupen01 @pan3793
[KYUUBI #6291] Avoid NPE in MySQLErrPacket
3930d14 
# 🔍 Description
as title
## Issue References 🔗

This pull request fixes #6291

## Describe Your Solution 🔧

Add a rule to check if it's null

## Types of changes 🔖

- [x] Bugfix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to change)

## Test Plan 🧪

#### Behavior Without This Pull Request ⚰️

#### Behavior With This Pull Request 🎉

#### Related Unit Tests

---

# Checklist 📝

- [x] This patch was not authored or co-authored using [Generative Tooling](https://www.apache.org/legal/generative-tooling.html)

**Be nice. Be informative.**

Closes #6292 from zhaohehuhu/dev-0411.

Closes #6291

a58eed6 [hezhao2] refactor
40ad5e0 [hezhao2] Avoid NPE in MySQLErrPacket
e02be17 [dupeng] [KYUUBI #6288] [KYUUBI  #6283] Improve the message of distribution built without enabling web ui

Lead-authored-by: hezhao2 <[email protected]>
Co-authored-by: dupeng <[email protected]>
Signed-off-by: Cheng Pan <[email protected]>
(cherry picked from commit f43cc59)
Signed-off-by: Cheng Pan <[email protected]>
pan3793 pushed a commit that referenced this issue Apr 11, 2024
@zhaohehuhu @dupen01 @pan3793
[KYUUBI #6291] Avoid NPE in MySQLErrPacket
0b2918a 
# 🔍 Description
as title
## Issue References 🔗

This pull request fixes #6291

## Describe Your Solution 🔧

Add a rule to check if it's null

## Types of changes 🔖

- [x] Bugfix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to change)

## Test Plan 🧪

#### Behavior Without This Pull Request ⚰️

#### Behavior With This Pull Request 🎉

#### Related Unit Tests

---

# Checklist 📝

- [x] This patch was not authored or co-authored using [Generative Tooling](https://www.apache.org/legal/generative-tooling.html)

**Be nice. Be informative.**

Closes #6292 from zhaohehuhu/dev-0411.

Closes #6291

a58eed6 [hezhao2] refactor
40ad5e0 [hezhao2] Avoid NPE in MySQLErrPacket
e02be17 [dupeng] [KYUUBI #6288] [KYUUBI  #6283] Improve the message of distribution built without enabling web ui

Lead-authored-by: hezhao2 <[email protected]>
Co-authored-by: dupeng <[email protected]>
Signed-off-by: Cheng Pan <[email protected]>
(cherry picked from commit f43cc59)
Signed-off-by: Cheng Pan <[email protected]>
pan3793 pushed a commit that referenced this issue Apr 11, 2024
@zhaohehuhu @dupen01 @pan3793
[KYUUBI #6291] Avoid NPE in MySQLErrPacket
7d93267 
# 🔍 Description
as title
## Issue References 🔗

This pull request fixes #6291

## Describe Your Solution 🔧

Add a rule to check if it's null

## Types of changes 🔖

- [x] Bugfix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to change)

## Test Plan 🧪

#### Behavior Without This Pull Request ⚰️

#### Behavior With This Pull Request 🎉

#### Related Unit Tests

---

# Checklist 📝

- [x] This patch was not authored or co-authored using [Generative Tooling](https://www.apache.org/legal/generative-tooling.html)

**Be nice. Be informative.**

Closes #6292 from zhaohehuhu/dev-0411.

Closes #6291

a58eed6 [hezhao2] refactor
40ad5e0 [hezhao2] Avoid NPE in MySQLErrPacket
e02be17 [dupeng] [KYUUBI #6288] [KYUUBI  #6283] Improve the message of distribution built without enabling web ui

Lead-authored-by: hezhao2 <[email protected]>
Co-authored-by: dupeng <[email protected]>
Signed-off-by: Cheng Pan <[email protected]>
(cherry picked from commit f43cc59)
Signed-off-by: Cheng Pan <[email protected]>
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[KYUUBI #6291] Avoid NPE in MySQLErrPacket zhaohehuhu/incubator-kyuubi
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