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https://issues.apache.org/jira/browse/KYLIN-4523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17117303#comment-17117303
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ASF GitHub Bot commented on KYLIN-4523:
---------------------------------------
codecov-commenter commented on pull request #1232:
URL: https://github.com/apache/kylin/pull/1232#issuecomment-634114676
# [Codecov](https://codecov.io/gh/apache/kylin/pull/1232?src=pr&el=h1) Report
> Merging
[#1232](https://codecov.io/gh/apache/kylin/pull/1232?src=pr&el=desc) into
[master](https://codecov.io/gh/apache/kylin/commit/3605d70a392b6505b116b0b448ad0cb28fb1284f&el=desc)
will **decrease** coverage by `0.00%`.
> The diff coverage is `n/a`.
[](https://codecov.io/gh/apache/kylin/pull/1232?src=pr&el=tree)
```diff
@@ Coverage Diff @@
## master #1232 +/- ##
============================================
- Coverage 25.92% 25.91% -0.01%
- Complexity 6595 6596 +1
============================================
Files 1475 1475
Lines 90161 90161
Branches 12578 12578
============================================
- Hits 23371 23368 -3
- Misses 64518 64521 +3
Partials 2272 2272
```
| [Impacted
Files](https://codecov.io/gh/apache/kylin/pull/1232?src=pr&el=tree) | Coverage
Δ | Complexity Δ | |
|---|---|---|---|
|
[...he/kylin/job/impl/threadpool/DefaultScheduler.java](https://codecov.io/gh/apache/kylin/pull/1232/diff?src=pr&el=tree#diff-Y29yZS1qb2Ivc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL2t5bGluL2pvYi9pbXBsL3RocmVhZHBvb2wvRGVmYXVsdFNjaGVkdWxlci5qYXZh)
| `74.41% <0.00%> (-2.33%)` | `12.00% <0.00%> (ø%)` | |
|
[.../apache/kylin/cube/cuboid/TreeCuboidScheduler.java](https://codecov.io/gh/apache/kylin/pull/1232/diff?src=pr&el=tree#diff-Y29yZS1jdWJlL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9reWxpbi9jdWJlL2N1Ym9pZC9UcmVlQ3Vib2lkU2NoZWR1bGVyLmphdmE=)
| `63.84% <0.00%> (-2.31%)` | `0.00% <0.00%> (ø%)` | |
|
[...org/apache/kylin/rest/util/QueryRequestLimits.java](https://codecov.io/gh/apache/kylin/pull/1232/diff?src=pr&el=tree#diff-c2VydmVyLWJhc2Uvc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL2t5bGluL3Jlc3QvdXRpbC9RdWVyeVJlcXVlc3RMaW1pdHMuamF2YQ==)
| `40.47% <0.00%> (+4.76%)` | `6.00% <0.00%> (+1.00%)` | |
------
[Continue to review full report at
Codecov](https://codecov.io/gh/apache/kylin/pull/1232?src=pr&el=continue).
> **Legend** - [Click here to learn
more](https://docs.codecov.io/docs/codecov-delta)
> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by
[Codecov](https://codecov.io/gh/apache/kylin/pull/1232?src=pr&el=footer). Last
update
[3605d70...06bba84](https://codecov.io/gh/apache/kylin/pull/1232?src=pr&el=lastupdated).
Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
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> Loading HttpContext class twice leads to LinkageError error.
> ------------------------------------------------------------
>
> Key: KYLIN-4523
> URL: https://issues.apache.org/jira/browse/KYLIN-4523
> Project: Kylin
> Issue Type: Bug
> Reporter: Zhichao Zhang
> Assignee: Zhichao Zhang
> Priority: Minor
> Fix For: v3.1.0
>
>
> After upgrading httpclient to 4.3.6, on CDH 5.7 env it will lead to
> LinkageError occured, because it loades HttpContext class in two different
> ClassLoader (CustomizedWebappClassloader and AppClassLoader):
> Error message:
> {code:java}
> java.lang.LinkageError: loader constraint violation: when resolving method
> "org.apache.http.protocol.HttpCoreContext.<init>(Lorg/apache/http/protocol/HttpContext;)V"
> the class loader (instance of
> org/apache/kylin/ext/CustomizedWebappClassloader) of the current class,
> org/apache/http/client/protocol/HttpClientContext, and the class loader
> (instance of sun/misc/Launcher$AppClassLoader) for the method's defining
> class, org/apache/http/protocol/HttpCoreContext, have different Class objects
> for the type org/apache/http/protocol/HttpContext used in the signature{code}
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