java.lang.NullPointerException: This exception has no message.

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Thrown when an application is trying to use or access an object whose reference equals to null. You are probably trying to use a reference that points to no location in memory as though it were referencing an object.

Solutions on the web

via Oracle Community by Daniel Cermeño, 1 year ago
via Oracle Community by 957307, 1 year ago
This exception has no message.
via Oracle Community by Empi3, 1 year ago
via Oracle Community by 3004, 1 year ago
This exception has no message.
via Stack Overflow by Matt
, 2 years ago
This exception has no message.
via Oracle Community by tkjain, 1 year ago
at java.util.Hashtable.put(
at com.thortech.xl.gc.impl.common.DBFacade.retrieveRecord(Unknown Source)
at com.thortech.xl.gc.impl.common.DBFacade.getRecord(Unknown Source)
at com.thortech.xl.gc.impl.common.DBFacade.getTargetRecord(Unknown Source)
at com.thortech.xl.gc.impl.recon.DBReconTransportProvider.getFirstPage(Unknown Source)
at com.thortech.xl.gc.runtime.GCScheduleTask.execute(
at com.thortech.xl.scheduler.tasks.SchedulerBaseTask.execute(
at oracle.iam.scheduler.vo.TaskSupport.executeJob(
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(
at sun.reflect.DelegatingMethodAccessorImpl.invoke(
at java.lang.reflect.Method.invoke(
at oracle.iam.scheduler.impl.quartz.QuartzJob.execute(

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