[jira] [Work logged] (HIVE-27179) HS2 WebUI throws NPE when JspFactory loaded from jetty-runner

Mon, 27 Mar 2023 21:14:29 -0700 


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https://issues.apache.org/jira/browse/HIVE-27179?focusedWorklogId=853285&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-853285
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ASF GitHub Bot logged work on HIVE-27179:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 28/Mar/23 04:13
            Start Date: 28/Mar/23 04:13
    Worklog Time Spent: 10m 
      Work Description: sonarcloud[bot] commented on PR #4164:
URL: https://github.com/apache/hive/pull/4164#issuecomment-1486190580

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Issue Time Tracking
-------------------

    Worklog Id:     (was: 853285)
    Time Spent: 20m  (was: 10m)

> HS2 WebUI throws NPE when JspFactory loaded from jetty-runner
> -------------------------------------------------------------
>
>                 Key: HIVE-27179
>                 URL: https://issues.apache.org/jira/browse/HIVE-27179
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2
>            Reporter: Zhihua Deng
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> In HIVE-17088{*},{*} we resolved a NPE thrown from HS2 WebUI by introducing 
> javax.servlet.jsp-api. It works as expected when the javax.servlet.jsp-api 
> jar prevails jetty-runner jar, but things can be different in some 
> environments, it still throws NPE when opening the HS2 web:
> {noformat}
> java.lang.NullPointerException 
> at 
> org.apache.hive.generated.hiveserver2.hiveserver2_jsp._jspService(hiveserver2_jsp.java:286)
>  
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:71) 
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) 
> at 
> org.eclipse.jetty.servlet.ServletHolder$NotAsync.service(ServletHolder.java:1443)
>  
> at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:791) 
> at 
> org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626)
> ...{noformat}
> The jetty-runner JspFactory.getDefaultFactory() just returns null.



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