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Henry Saputra updated GORA-372: ------------------------------- Assignee: Viacheslav Dobromyslov > slf4j-api version conflict > -------------------------- > > Key: GORA-372 > URL: https://issues.apache.org/jira/browse/GORA-372 > Project: Apache Gora > Issue Type: Bug > Components: gora-hbase > Affects Versions: 0.6 > Environment: Gentoo Linux, Oracle JDK 1.7.0.51-r1 > Reporter: Viacheslav Dobromyslov > Assignee: Viacheslav Dobromyslov > > Created project with the following dependencies: > {code} > <dependencies> > <dependency> > <groupId>org.apache.gora</groupId> > <artifactId>gora-core</artifactId> > <version>0.6-SNAPSHOT</version> > </dependency> > <dependency> > <groupId>org.apache.gora</groupId> > <artifactId>gora-hbase</artifactId> > <version>0.6-SNAPSHOT</version> > </dependency> > </dependencies> > {code} > Snapshot version: > https://github.com/apache/gora/tree/a72c5d36033fa393e492c047cb818b318edd2b35 > And got a critical runtime error described below. > {code} > SLF4J: Class path contains multiple SLF4J bindings. > SLF4J: Found binding in > [jar:file:/home/bbg/.m2/repository/org/slf4j/slf4j-log4j12/1.4.3/slf4j-log4j12-1.4.3.jar!/org/slf4j/impl/StaticLoggerBinder.class] > SLF4J: Found binding in > [jar:file:/home/bbg/.m2/repository/org/slf4j/slf4j-simple/1.6.6/slf4j-simple-1.6.6.jar!/org/slf4j/impl/StaticLoggerBinder.class] > SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an > explanation. > SLF4J: slf4j-api 1.6.x (or later) is incompatible with this binding. > SLF4J: Your binding is version 1.5.5 or earlier. > SLF4J: Upgrade your binding to version 1.6.x. > {code} > Stack trace: > {code} > Exception in thread "main" java.lang.NoSuchMethodError: > org.slf4j.impl.StaticLoggerBinder.getSingleton()Lorg/slf4j/impl/StaticLoggerBinder; > at org.slf4j.LoggerFactory.bind(LoggerFactory.java:128) > at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:107) > at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:295) > at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:269) > at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:281) > at org.apache.gora.tutorial.log.LogManager.<clinit>(LogManager.java:24) > {code} > The error is caused by slf4j-api version conflict: > # gora-hbase depends on org.apache.hbase:hbase-0.94.14 > # hbase-0.94.14 depends on org.slf4j:slf4j-log4j12 which causes the conflict. > We have to exclude this old dependency to sort the issue out. -- This message was sent by Atlassian JIRA (v6.3.4#6332)