java.lang.ClassNotFoundException: java/util/Map<Ljava/lang/String;Ljava/lang/Object

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Samebug tips

,
Expert tip

This might be an issue with the file location in the Spark submit command. Try it with

spark-submit --master spark://master:7077 \
     hello_world_from_pyspark.py {file location}

,
Expert tip

Check if you've set a name in Application -> Run. If you didn't, the generated XML is gonna have missing information and then this exception will be thrown.

Solutions on the web

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c:/Drew/JDBCon/mysql-connector-java-5.0.6-bin.jar
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/home/hdadmin/workspace/MVN_Hadoop/src/main/java/come/amend/hadoop/MapReduce/exercise
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///src/com/xebia/sandbox/hadoop/WikiPageRanking/java
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///src/com/xebia/sandbox/hadoop/WikiPageRanking/java
java.lang.ClassNotFoundException: java/util/Map<Ljava/lang/String;Ljava/lang/Object
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at org.neo4j.ogm.classloader.MetaDataClassLoader.loadClass(MetaDataClassLoader.java:35)
at org.neo4j.ogm.ClassUtils.computeType(ClassUtils.java:122)
at org.neo4j.ogm.ClassUtils.getType(ClassUtils.java:59)
at org.neo4j.ogm.context.SingleUseEntityMapper.underlyingElementType(SingleUseEntityMapper.java:139)
at org.neo4j.ogm.context.SingleUseEntityMapper.writeProperty(SingleUseEntityMapper.java:122)

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