suztomo edited a comment on pull request #13073:
URL: https://github.com/apache/beam/pull/13073#issuecomment-723201549
@iemejia
> Can you spot which dependency is overwriting the version ?
BeamModulePlugin.groovy `force`s the library version listed in the file.
```
def log4j_version = "2.13.3"
...
log4j_core :
"org.apache.logging.log4j:log4j-core:$log4j_version",
...
config.resolutionStrategy {
...
def librariesWithVersion = project.library.java.values().findAll
{ it.split(':').size() > 2 }
force librariesWithVersion
}
```
log4j-api-2.4.1.jar has the missing class, while log4j-api-2.13.3.jar does
not have it.
```
suztomo-macbookpro44% jar tf log4j-api-2.4.1.jar |grep Reflection
org/apache/logging/log4j/util/ReflectionUtil$PrivateSecurityManager.class
org/apache/logging/log4j/util/ReflectionUtil.class
suztomo-macbookpro44% jar tf log4j-api-2.13.3.jar |grep Reflection
suztomo-macbookpro44%
```
It seems that org.slf4j:slf4j-log4j12:1.7.30 holds
`org.apache.logging.slf4j.Log4jLoggerFactory`, the caller of the missing class.
This artifact does not seem compatible with
`org.apache.logging.log4j:log4j-core:2.13.3`.
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