maven - How do you handle multiple versions of same jar? -


i use apache_gora_0.2.1 , apache nutch_2.1 .

  • nutch depends on gora.

  • gora have modules gora-core , gora-hbase.

  • gora-hbase depends on gora-core.

  • all modules of gora use avro_1.3.3.jar . want use avro_1.3.3.jar gora-core , avro_1.5.3.jar gora-hbase .

  • i compiled gora via maven , compiled nutch via ant , ivy.

then seems 2 versions in nutch classpath (avro.1.3.3.jar , avro.1.5.3.jar). if exclude avro_1.5.3.jar via ivy.xml, gora-hbase don't use avro.1.5.3. how can solve problem?

you should avoid situation when have in classpath same jars different versions. solve problem need find version of apache_gora_0.2.1 , apache nutch_2.1 uses similar versions of avro. try use apache nutch_1.6, since apache_gora_0.2.1 latest version. then, exclude lowest version , solve problem.


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