The solutions to the problem:ClassNotFoundException: org.hibernate.hql.ast.HqlToken

Posted on April 25th, 2006 by HuHe

When I run the example provided by the Hibernate 3.1.3 package, “ant eg”, I got the error: “ClassNotFoundException: org.hibernate.hql.ast.HqlToken.The solutions have two which I tried and succeeded.1: place the antlr-2.7.6rc1.jar into the jdk.xxx/jre/lib/ext directory of jdk package.2: set the “hibernate.query.factory_class” to “org.hibernate.hql.classic.ClassicQueryTranslatorFactory” in the “hibernate.properties” file.3: Or add the following sentence into the hibernate.cfg.xml file:
org.hibernate.hql.classic.ClassicQueryTranslatorFactory

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To run Hibernate example, We must put log4jXXX.jar into the "ext" directory of JDK

Posted on April 24th, 2006 by HuHe

To run Hibernate example successfully, We must place log4jXXX.jar into the “jre/ext” directory of JDK (like: JDK1.5.0_06). for example, we can run the example provided by Hibernate package: “ant eg”.otherwise, it will have an error: java.lang.ExceptionInInitializerError at……….Caused by: org.apache.commons.logging.LogConfigurationException: org.apache.commons.logging.LogConfigurationException: No suitable Log constructor …..

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Filed under: Java