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https://issues.apache.org/jira/browse/KYLIN-4523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17117367#comment-17117367
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ASF GitHub Bot commented on KYLIN-4523:
---------------------------------------
coveralls commented on pull request #1232:
URL: https://github.com/apache/kylin/pull/1232#issuecomment-634117127
## Pull Request Test Coverage Report for [Build
5948](https://coveralls.io/builds/31039043)
* **0** of **0** changed or added relevant lines in **0** files are
covered.
* **4** unchanged lines in **2** files lost coverage.
* Overall coverage decreased (**-0.003%**) to **28.441%**
---
| Files with Coverage Reduction | New Missed Lines | % |
| :-----|--------------|--: |
|
[core-cube/src/main/java/org/apache/kylin/cube/cuboid/TreeCuboidScheduler.java](https://coveralls.io/builds/31039043/source?filename=core-cube%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fcube%2Fcuboid%2FTreeCuboidScheduler.java#L124)
| 2 | 68.46% |
|
[core-job/src/main/java/org/apache/kylin/job/impl/threadpool/DefaultScheduler.java](https://coveralls.io/builds/31039043/source?filename=core-job%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fjob%2Fimpl%2Fthreadpool%2FDefaultScheduler.java#L194)
| 2 | 80.23% |
<!-- | **Total:** | **4** | | -->
| Totals | [](https://coveralls.io/builds/31039043)
|
| :-- | --: |
| Change from base [Build 5947](https://coveralls.io/builds/31036132): |
-0.003% |
| Covered Lines: | 25643 |
| Relevant Lines: | 90161 |
---
##### 💛 - [Coveralls](https://coveralls.io)
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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 toÂ
> 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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