Roland Jungnickel created STORM-1900:
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Summary: Log configuration with logback
Key: STORM-1900
URL: https://issues.apache.org/jira/browse/STORM-1900
Project: Apache Storm
Issue Type: Bug
Components: storm-core
Affects Versions: 0.10.1
Reporter: Roland Jungnickel
I am trying to use logback in my project and am getting this message:
2016-06-14 16:55:56.945 STDERR [INFO] SLF4J: Class path contains multiple SLF4J
bindings.
2016-06-14 16:55:56.997 STDERR [INFO] SLF4J: Found binding in
[jar:file:/opt/apache-storm-0.10.1/lib/log4j-slf4j-impl-2.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
2016-06-14 16:55:56.998 STDERR [INFO] SLF4J: Found binding in
[jar:file:/srv/storm/supervisor/stormdist/MatchIdentifiers-675106f-1465923070-5-1465923118/stormjar.jar!/org/slf4j/impl/StaticLoggerBinder.class]
2016-06-14 16:55:56.998 STDERR [INFO] SLF4J: See
http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
2016-06-14 16:55:56.998 STDERR [INFO] SLF4J: Actual binding is of type
[org.apache.logging.slf4j.Log4jLoggerFactory]
2016-06-14 16:56:03.647 STDERR [INFO] 2016-06-14 16:56:03,641 ERROR Logger
contains an invalid element or attribute "appender"
The solution slf4j suggests is to exclude slf4j from the dependency which in
this case would be storm. But since storm includes slf4j in the classpath when
starting the topology this does not work. Is there a known way to fix this?
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