[HOP-2629] NPE when previewing a transform in a new unsaved pipeline

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.70
• Fix Version/s: 0.70
• Component/s: GUI, Transforms
• Labels: pull-request-available
• Assignee: Unassigned
• Reporter: Matt Casters
• Created: 17/Mar/21 10:05
• Updated: 18/Mar/21 07:51
• Resolved: 18/Mar/21 07:51

Description

This happens when a pipeline hasn't been saved yet and as such doesn't have a filename yet.

So if you have a new pipeline and try the `preview` button a text file input transform dialog you get this:

org.apache.hop.core.exception.HopException: org.apache.hop.core.exception.HopException: Error handling Pipeline Probe metadata object 'probe-test' at the start of pipeline: org.apache.hop.core.variables.Variables@5bcda4a6 at org.eclipse.jface.operation.ModalContext$ModalContextThread.run (ModalContext.java:122) at org.apache.hop.ui.pipeline.dialog.PipelinePreviewProgressDialog.lambda$open$0 (PipelinePreviewProgressDialog.java:88) at org.apache.hop.ui.pipeline.dialog.PipelinePreviewProgressDialog.doPreview (PipelinePreviewProgressDialog.java:189) at org.apache.hop.pipeline.Pipeline.startThreads (Pipeline.java:1140) at org.apache.hop.core.extension.ExtensionPointHandler.callExtensionPoint (ExtensionPointHandler.java:38) at org.apache.hop.core.extension.ExtensionPointMap.callExtensionPoint (ExtensionPointMap.java:147) at org.apache.hop.reflection.probe.xp.PipelineDataProbeXp.callExtensionPoint (PipelineDataProbeXp.java:48) at org.apache.hop.reflection.probe.xp.PipelineDataProbeXp.callExtensionPoint (PipelineDataProbeXp.java:72) at org.apache.hop.reflection.probe.xp.PipelineDataProbeXp.handlePipelineProbe (PipelineDataProbeXp.java:111) at org.apache.hop.reflection.probe.xp.PipelineDataProbeXp.probeLocationExists (PipelineDataProbeXp.java:134) at org.apache.hop.core.vfs.HopVfs.getFileObject (HopVfs.java:202) at org.apache.hop.core.vfs.HopVfs.cleanseFilename (HopVfs.java:228)
 at org.apache.hop.reflection.probe.xp.PipelineDataProbeXp.handlePipelineProbe(PipelineDataProbeXp.java:124) at org.apache.hop.reflection.probe.xp.PipelineDataProbeXp.callExtensionPoint(PipelineDataProbeXp.java:72) at org.apache.hop.reflection.probe.xp.PipelineDataProbeXp.callExtensionPoint(PipelineDataProbeXp.java:48) at org.apache.hop.core.extension.ExtensionPointMap.callExtensionPoint(ExtensionPointMap.java:147) at org.apache.hop.core.extension.ExtensionPointHandler.callExtensionPoint(ExtensionPointHandler.java:38) at org.apache.hop.pipeline.Pipeline.startThreads(Pipeline.java:1140) at org.apache.hop.ui.pipeline.dialog.PipelinePreviewProgressDialog.doPreview(PipelinePreviewProgressDialog.java:189) at org.apache.hop.ui.pipeline.dialog.PipelinePreviewProgressDialog.lambda$open$0(PipelinePreviewProgressDialog.java:88) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:122)Caused by: java.lang.NullPointerException at org.apache.hop.core.vfs.HopVfs.cleanseFilename(HopVfs.java:228) at org.apache.hop.core.vfs.HopVfs.getFileObject(HopVfs.java:202) at org.apache.hop.reflection.probe.xp.PipelineDataProbeXp.probeLocationExists(PipelineDataProbeXp.java:134) at org.apache.hop.reflection.probe.xp.PipelineDataProbeXp.handlePipelineProbe(PipelineDataProbeXp.java:111) ... 8 more

Issue Links

• links to: GitHub Pull Request #681