Check for the dependencies. Looks like you have a conflict around servlet-api
jars.
Maven's dependency-tree, some exclusions and some luck :) could help.
________________________________________
From: Ralph Bergmann | the4thFloor.eu [ra...@the4thfloor.eu]
Sent: Tuesday, February 17, 2015 4:14 PM
To: user@spark.apache.org
Subject: spark-core in a servlet
Hi,
I want to use spark-core inside of a HttpServlet. I use Maven for the
build task but I have a dependency problem :-(
I get this error message:
ClassCastException:
com.sun.jersey.server.impl.container.servlet.JerseyServletContainerInitializer
cannot be cast to javax.servlet.ServletContainerInitializer
When I add this exclusions it builds but than there are other classes
not found at runtime:
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-core_2.11</artifactId>
<version>1.2.1</version>
<exclusions>
<exclusion>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-client</artifactId>
</exclusion>
<exclusion>
<groupId>org.eclipse.jetty</groupId>
<artifactId>*</artifactId>
</exclusion>
</exclusions>
</dependency>
What can I do?
Thanks a lot!,
Ralph
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