Aggarwal-Raghav commented on PR #474:
URL: https://github.com/apache/tez/pull/474#issuecomment-4670558842
I might be wrong, I was performing cluster testing of this change, and saw
this error. In Hadoop jersery migration they have moved from `javax.servlet-api
-> jakarta.servlet-api`, In tez we have direct dependency on
`javax.servlet-api`.
**Just checking if it valid or specific to my setup**
```
Caused by: [CIRCULAR REFERENCE: java.lang.NoSuchMethodError:
'javax.servlet.Filter
javax.servlet.ServletContext.createFilter(java.lang.Class)']
2026-06-10 18:24:47,042 [ERROR]
[ServiceThread:org.apache.tez.dag.app.web.WebUIService] |web.WebUIService|: Tez
UI WebService failed to start.
org.apache.hadoop.yarn.webapp.WebAppException: Error starting http server
at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:504)
at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:484)
at
org.apache.tez.dag.app.web.WebUIService.serviceStart(WebUIService.java:115)
at
org.apache.hadoop.service.AbstractService.start(AbstractService.java:195)
at
org.apache.tez.dag.app.DAGAppMaster$ServiceWithDependency.start(DAGAppMaster.java:1857)
at
org.apache.tez.dag.app.DAGAppMaster$ServiceThread.run(DAGAppMaster.java:1878)
Caused by: java.io.IOException: Problem starting http server
at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:1489)
at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:501)
... 5 more
```
Attaching complete log.
[logs.txt](https://github.com/user-attachments/files/28796295/logs.txt)
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