Issue when switching from Kudera 2.06 to Kundera 2.12

[Ngo Doan Lap]

Hi All,

I'm using Cassandra 2.06 with Kundera 2.06. It can run OK.

But when I switch to use Kundera 2.12 by updating pom file, I got this issue

Caused by: com.impetus.kundera.client.ClientResolverException: java.lang.ClassNotFoundException: com.impetus.client.cassandra.pelops.PelopsClientFactory

at com.impetus.kundera.client.ClientResolver.onError(ClientResolver.java:173)

at com.impetus.kundera.client.ClientResolver.instantiateClientFactory(ClientResolver.java:128)

at com.impetus.kundera.client.ClientResolver.getClientFactory(ClientResolver.java:56)

at com.impetus.kundera.configure.ClientMetadataBuilder.buildClientFactoryMetadata(ClientMetadataBuilder.java:42)

at com.impetus.kundera.persistence.EntityManagerFactoryImpl.configureClientFactories(EntityManagerFactoryImpl.java:412)

at com.impetus.kundera.persistence.EntityManagerFactoryImpl.configure(EntityManagerFactoryImpl.java:165)

at com.impetus.kundera.persistence.EntityManagerFactoryImpl.<init>(EntityManagerFactoryImpl.java:120)

at com.impetus.kundera.KunderaPersistence.createContainerEntityManagerFactory(KunderaPersistence.java:63)

at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:257)

at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:310)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1612)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1549)

... 21 more

Caused by: java.lang.ClassNotFoundException: com.impetus.client.cassandra.pelops.PelopsClientFactory

at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720)

at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Class.java:190)

at com.impetus.kundera.client.ClientResolver.instantiateClientFactory(ClientResolver.java:91)

... 31 more

Could you please help me?

Thank and Regards.

Lapd.

[Vivek Mishra]

With Kundera 2.9 onwards lots of refactoring done, kundera-pelops is a new project. To get this working, you need to add following dependency:

  <dependency>

	<groupId>com.impetus.kundera.client</groupId>
	<artifactId>kundera-cassandra-pelops</artifactId>

        <version>2.12</version>
</dependency>


Also, i suggest to use ThriftClientFactory in place of PelopsClientFactory for better performance and updated client.


HTH,
-Vivek

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[Chhavi Gangwal]

+1  for Vivek's suggestion.

Chhavi

[Ngo Doan Lap]

Hi Vivek,

Thank you very much for your help and your suggestion!

Lapd.

[Adelin Ghanayem]

If you are reading the GitHub documentations check out the examples 

https://github.com/impetus-opensource/Kundera/blob/trunk/examples/container/tomcat-glassfish/data-keeper/src/main/resources/META-INF/persistence.xml 

They use 

<property name="kundera.client.lookup.class"
	value="com.impetus.client.cassandra.thrift.ThriftClientFactory"/>