sunchao commented on pull request #33160:
URL: https://github.com/apache/spark/pull/33160#issuecomment-875774176
It seems Spark can't use non-shaded Hadoop 3.3.1 client as it is because of
`jetty-server` incompatibility issue: Hadoop 3.3.1 uses Jetty 9.4.40 while
Spark master uses 9.4.42 (upgraded via this #33053). The method
`SessionHandler.setHttpOnly` was removed in 9.4.42 and therefore we'll get
exception if trying to use the non-shaded Hadoop client:
```
sbt.ForkMain$ForkError:
org.apache.hadoop.yarn.exceptions.YarnRuntimeException:
java.lang.NoSuchMethodError:
org.eclipse.jetty.server.session.SessionHandler.setHttpOnly(Z)V
at
org.apache.hadoop.yarn.server.MiniYARNCluster.startResourceManager(MiniYARNCluster.java:384)
at
org.apache.hadoop.yarn.server.MiniYARNCluster.access$300(MiniYARNCluster.java:129)
at
org.apache.hadoop.yarn.server.MiniYARNCluster$ResourceManagerWrapper.serviceStart(MiniYARNCluster.java:500)
at
org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
at
org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:122)
at
org.apache.hadoop.yarn.server.MiniYARNCluster.serviceStart(MiniYARNCluster.java:333)
at
org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
```
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