Question

我的cassandra + kundera + eclipse项目中存在持久性问题。报告的错误是：

log4j：WARN找不到记录器的appender （com.impetus.kundera.KunderaPersistence）。 log4j：WARN请初始化 log4j系统正常。 log4j：警告请参阅 http://logging.apache.org/log4j/1.2/faq.html#noconfig了解更多信息。线程“main”中的异常 com.impetus.kundera.loader.PersistenceLoaderException： com.impetus.kundera.utils.InvalidConfigurationException：不能在类路径中找到任何META-INF / persistence.xml文件 com.impetus.kundera.configure.PersistenceUnitConfiguration.configure（PersistenceUnitConfiguration.java:100）在 com.impetus.kundera.configure.Configurator.configure（Configurator.java:65）在 com.impetus.kundera.KunderaPersistence.initializeKundera（KunderaPersistence.java:109）在 com.impetus.kundera.KunderaPersistence.createEntityManagerFactory（KunderaPersistence.java:81）在javax.persistence.Persistence.createEntityManagerFactory（未知来源）at javax.persistence.Persistence.createEntityManagerFactory（未知来源）controlador.Conetor.main（Conetor.java:17）引起： com.impetus.kundera.utils.InvalidConfigurationException：不能在类路径中找到任何META-INF / persistence.xml文件 com.impetus.kundera.configure.PersistenceUnitConfiguration.findPersistenceMetadatas（PersistenceUnitConfiguration.java:132）在 com.impetus.kundera.configure.PersistenceUnitConfiguration.configure（PersistenceUnitConfiguration.java:83） ......还有6个

持久性源是这样的：

<persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
    http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"
    version="2.0">
    <persistence-unit name="cassandra_pu">
        <provider>com.impetus.kundera.KunderaPersistence</provider>     
        <properties>            
            <property name="kundera.nodes" value="localhost"/>
            <property name="kundera.port" value="9160"/>
            <property name="kundera.keyspace" value="KunderaExamples"/>
            <property name="kundera.dialect" value="cassandra"/>
            <property name="kundera.client.lookup.class"
                value="com.impetus.client.cassandra.thrift.ThriftClientFactory" />

        </properties>       
    </persistence-unit>
</persistence>

POM XML WITH DE JAR KUNDERA

Answer 1

请将persistence.xml放在下面的路径中。它应该解决此错误。 src/main/resources/META-INF/persistence.xml

Kundera：持久性配置错误cassandra + eclipse + kundera

1 个答案: