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SQL Developer 24.3.1 Can't Add new columns

Neus acMar 25 2026

Hi,

When I'm trying to add a column into an existing table I get this error:

java.lang.NullPointerException: Cannot invoke "javax.script.ScriptEngine.put(String, Object)" because "<local6>" is null
at oracle.dbtools.raptor.controls.sqldialog.ObjectActionController.processScript(ObjectActionController.java:956)
at oracle.dbtools.raptor.controls.sqldialog.ObjectActionController.processDialog(ObjectActionController.java:460)
at oracle.dbtools.raptor.controls.sqldialog.ObjectActionController.processDialog(ObjectActionController.java:407)
at oracle.dbtools.raptor.controls.sqldialog.ObjectActionController$1$1$1.doWork(ObjectActionController.java:301)
at oracle.dbtools.raptor.controls.sqldialog.ObjectActionController$1$1$1.doWork(ObjectActionController.java:296)
at oracle.dbtools.raptor.backgroundTask.RaptorTask.call(RaptorTask.java:204)
at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
at oracle.dbtools.raptor.backgroundTask.RaptorTaskManager$RaptorFutureTask.run(RaptorTaskManager.java:798)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.base/java.lang.Thread.run(Unknown Source)

I have tried deleting SQL Developer configuration folder in AppData to create a new configuration and even I have reinstalled SQL Developer but the problem has not been solved.

Any idea on what's happening?

Thank you

This post has been answered by thatJeffSmith-Oracle on Mar 25 2026
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Added on Mar 25 2026
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