Not able to find the database name. ora is the database in the below url ? Sent from Naga iPad
> On Aug 28, 2017, at 4:06 AM, Imran Rajjad <raj...@gmail.com> wrote: > > Hello, > > I am trying to retrieve an oracle table into Dataset<Row> using following code > > String url = "jdbc:oracle@localhost:1521:ora"; > Dataset<Row> jdbcDF = spark.read() > .format("jdbc") > .option("driver", "oracle.jdbc.driver.OracleDriver") > .option("url", url) > .option("dbtable", "INCIDENTS") > .option("user", "user1") > .option("password", "pass1") > .load(); > > System.out.println(jdbcDF.count()); > > below is the stack trace > > java.lang.NullPointerException > at > org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:72) > at > org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:113) > at > org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:45) > at > org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:330) > at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:152) > at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:125) > at com.elogic.hazelcast_test.JDBCTest.test(JDBCTest.java:56) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) > at > org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) > at > org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) > at > org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) > at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) > at > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) > at > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) > at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) > at > org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) > at > org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) > at org.junit.runners.ParentRunner.run(ParentRunner.java:363) > at > org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86) > at > org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192) > > Apparently the connection is made but Table is not being detected. Any ideas > whats wrong with the code? > > regards, > Imran > -- > I.R --------------------------------------------------------------------- To unsubscribe e-mail: user-unsubscr...@spark.apache.org