Good day,
I am trying to connect to my AS400/DB2 databased using the Jt400 10.5.jar driver.
I am able to successfully connect (using test connection), however when running a simple SQL script (Read database operator) I am getting the below error:
- Exception: java.lang.NullPointerException
- Message: null
- Stack trace:
- com.rapidminer.extension.jdbc.operator.io.DatabaseDataReader.createExampleTable(DatabaseDataReader.java:259)
- com.rapidminer.extension.jdbc.operator.io.DatabaseDataReader.createExampleSet(DatabaseDataReader.java:144)
- com.rapidminer.operator.io.AbstractExampleSource.read(AbstractExampleSource.java:53)
- com.rapidminer.extension.jdbc.operator.io.DatabaseDataReader.read(DatabaseDataReader.java:101)
- com.rapidminer.extension.jdbc.operator.io.DatabaseDataReader.read(DatabaseDataReader.java:82)
- com.rapidminer.operator.io.AbstractReader.doWork(AbstractReader.java:272)
- com.rapidminer.operator.Operator.execute(Operator.java:1023)
- com.rapidminer.operator.execution.SimpleUnitExecutor.execute(SimpleUnitExecutor.java:77)
- com.rapidminer.operator.ExecutionUnit$2.run(ExecutionUnit.java:805)
- com.rapidminer.operator.ExecutionUnit$2.run(ExecutionUnit.java:800)
- java.security.AccessController.doPrivileged(Native Method)
- com.rapidminer.operator.ExecutionUnit.execute(ExecutionUnit.java:800)
- com.rapidminer.operator.OperatorChain.doWork(OperatorChain.java:423)
- com.rapidminer.operator.Operator.execute(Operator.java:1023)
- com.rapidminer.Process.executeRoot(Process.java:1464)
- com.rapidminer.Process.lambda$executeRootInPool$5(Process.java:1443)
- com.rapidminer.studio.concurrency.internal.AbstractConcurrencyContext$AdaptedCallable.exec(AbstractConcurrencyContext.java:362)
- java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
- java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
- java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
- java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:175)
Any assistance would be greatly appreciated.
Kind regards