nadment opened a new issue, #8095:
URL: https://github.com/apache/hop/issues/8095
### Apache Hop version?
2.19.0
### Java version?
21
### Operating system
Windows
### What happened?
## Step to reproduce
Add a transformation "Database join"
Set a invalide connection and save
Try to reopen the transformation
Stack trace:
```
java.lang.NullPointerException: Cannot invoke
"org.apache.hop.core.database.DatabaseMeta.getReservedWords()" because
"databaseMeta" is null
at
org.apache.hop.pipeline.transforms.databasejoin.DatabaseJoinDialog.getSqlReservedWords(DatabaseJoinDialog.java:391)
at
org.apache.hop.pipeline.transforms.databasejoin.DatabaseJoinDialog.open(DatabaseJoinDialog.java:177)
at
org.apache.hop.ui.core.dialog.BaseDialog.withDialogSubject(BaseDialog.java:1004)
at
org.apache.hop.ui.hopgui.file.pipeline.delegates.HopGuiPipelineTransformDelegate.editTransform(HopGuiPipelineTransformDelegate.java:212)
at
org.apache.hop.ui.hopgui.file.pipeline.HopGuiPipelineGraph.editTransform(HopGuiPipelineGraph.java:4877)
at
org.apache.hop.ui.hopgui.file.pipeline.HopGuiPipelineGraph.mouseUp(HopGuiPipelineGraph.java:1302)
''
```
### Issue Priority
Priority: 3
### Issue Component
Component: Transforms
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