How can I turn off the majority of hbm2ddl's output in the console in Ant?

By default, hbm2ddl spits a ton of output to the console when executing the ant task. I'd li开发者_JAVA技巧ke to turn this completely off and simply look at the schema file if something has gone wrong. Anyone know how to do that?

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Hibernate (at least the current version) uses SLF4J for logging. Use the SLF4J NOP to silently discarding all logging. Alternatively you could configure a low level verbosity for your logging framework (e.g. log4j).

A sample log4j.properties:

### direct log messages to stdout ###
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n

log4j.rootLogger=warn, stdout
log4j.logger.org.hibernate=debug
log4j.logger.org.hibernate.tool.hbm2ddl=debug

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There is undocumented property which should be defined in task:

<hibernatetool ....>

   <property key="scriptToConsole" value="false"/>

...

   <hbm2ddl ....../>

</hibernatetool>

For me it works!