Fix to avoid preview error for incorrect parameters (eclipse-birt#2012)

speckyspooky · Dec 16, 2024 · a9c058f · a9c058f
1 parent 6fa78f7
commit a9c058f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/....viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/BirtViewerReportService.java b/....viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/BirtViewerReportService.java
@@ -1082,8 +1082,12 @@ private static ParameterDefinition convertScalarParameter(IScalarParameterDefn e
 		long id = scalarParamHandle != null ? scalarParamHandle.getID() : 0L;
 		String pattern = scalarParamHandle == null ? "" //$NON-NLS-1$
 				: scalarParamHandle.getPattern();
+		if (pattern == null)
+			pattern = "";
 		String category = scalarParamHandle == null ? "" //$NON-NLS-1$
 				: scalarParamHandle.getCategory();
+		if (category == null)
+			category = "";
 		String displayFormat = engineParam.getDisplayFormat();
 		String displayName = engineParam.getDisplayName();
 		String helpText = engineParam.getHelpText();