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Posted to dev@gora.apache.org by "Henry Saputra (JIRA)" <ji...@apache.org> on 2014/09/17 18:42:34 UTC
[jira] [Updated] (GORA-372) slf4j-api version conflict
[ https://issues.apache.org/jira/browse/GORA-372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
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.
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