java.lang.ClassNotFoundException: 1

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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}

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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.

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TestClient$$Lambda$1/1599771323
java.lang.ClassNotFoundException: 1
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:190)
at kodo.jdbc.meta.InClassNameClassIndicator.loadSubclasses(InClassNameClassIndicator.java:94)
at kodo.jdbc.runtime.JDBCStoreManager.loadSubclasses(JDBCStoreManager.java:1450)
at kodo.jdbc.runtime.JDBCStoreManager.addClassConditions(JDBCStoreManager.java:1228)
at kodo.jdbc.runtime.JDBCStoreManager.selectMappings(JDBCStoreManager.java:1191)
at kodo.jdbc.sql.Select.selectInternal(Select.java:471)
at kodo.jdbc.sql.Select.select(Select.java:455)
at kodo.jdbc.sql.Select.select(Select.java:426)
at kodo.jdbc.runtime.JDBCExtent.getResultObjectProvider(JDBCExtent.java:46)
at kodo.runtime.ExtentImpl.iterator(ExtentImpl.java:114)
at samples.j2ee.ejb.CarBean.list(CarBean.java:166)
at samples.j2ee.ejb.CarBean_x9ezgp_EOImpl.list(CarBean_x9ezgp_EOImpl.java:161)
at jsp_servlet.__index._jspService(__index.java:105)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:27)

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