[HDFS-831] Multiple slf4j bindings cause warnings in HDFS.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 0.22.0
• Fix Version/s: 0.21.0
• Component/s: build
• Assignee: Unassigned
• Reporter: Ravi Phulari
• Created: 15/Dec/09 19:53
• Updated: 05/Jan/11 08:42
• Resolved: 05/Jan/11 08:42

Description

Multiple slf4j bindings warnings are emitted in log while running run-test-hdfs.
To fix this we need to remove one of the not used slf4j jar.

------------- Standard Error -----------------
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/Users/rphulari/.ivy2/cache/org.slf4j/slf4j-simple/jars/slf4j-simple-1.5.8.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/Users/rphulari/.ivy2/cache/org.slf4j/slf4j-log4j12/jars/slf4j-log4j12-1.4.3.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
1 [main] INFO org.mortbay.log - Logging to org.slf4j.impl.SimpleLogger(org.mortbay.log) via org.mortbay.log.Slf4jLog
128 [main] INFO org.mortbay.log - jetty-6.1.14
1097 [main] INFO org.mortbay.log - Started SelectChannelConnector@localhost:58380
1521 [main] INFO org.mortbay.log - jetty-6.1.14
1912 [main] INFO org.mortbay.log - Started SelectChannelConnector@localhost:58383
2130 [main] INFO org.mortbay.log - jetty-6.1.14
2373 [main] INFO org.mortbay.log - Started SelectChannelConnector@localhost:58386
2582 [main] INFO org.mortbay.log - jetty-6.1.14

Issue Links

• is related to: HADOOP-6390 Block slf4j-simple from avro's pom
• is related to: HADOOP-6401 Multiple slf4j bindings cause warnings when starting DFS components