Hello I'm using Jaspersoft Studio and I want to create a report by using Json as datasource, This example of my json structrue for firt two node a1 and a2:_ { "a1": { "a1_1": 5127, "a1_2": "fg af ag g", "a1_3": "gaf gaer ", "a1_4": "142", "a1_5": "2020-02-25T21:00:00.000+0000", "a1_6": "2020-11-05T21:00:00.000+0000", "a1_7": { "a1_7.1": "4", "a1_7.2": "arew", "a1_7.3": "jgfh", "a1_7.4": "rtwer", "a1_7.5": "fsfs" } }, "a2": [ { "a2_1": 5127, "a2_2": "lab lab lab.", "a2_3": "Good", "a2_4": "2020-02-25T21:00:00.000+0000", "a2_5": "2020-11-05T21:00:00.000+0000", "a2_6": "2020-02-25T21:00:00.000+0000", "a2_7": "SA", "assignmentWithRolesHttpBodies": [ { "a2_1.1": 145, "a2_2.1": "lab lab lab.", "a2_3.1": "Good", "a2_4.1": "2020-02-25T21:00:00.000+0000", "a2_5.1": "2020-11-05T21:00:00.000+0000", "a2_6.1": "2020-02-25T21:00:00.000+0000", "a2_7.1": "KSA" }, { "a2_1.2": 146, "a2_2.2": "lab lab lab.", "a2_3.2": "Good", "a2_4.2": "2020-02-25T21:00:00.000+0000", "a2_5.2": "2020-11-05T21:00:00.000+0000", "a2_6.2": "2020-02-25T21:00:00.000+0000", "a2_7.2": "India" }, { "a2_1.3": 147, "a2_2.3": "lab lab lab.", "a2_3.3": "very Good", "a2_4.3": "2020-02-25T21:00:00.000+0000", "a2_5.3": "2020-11-05T21:00:00.000+0000", "a2_6.3": "2020-02-25T21:00:00.000+0000", "a2_7.3": "UAE" }, { "a2_1.4": 148, "a2_2.4": "lab lab lab.", "a2_3.4": "Good", "a2_4.4": "2020-02-25T21:00:00.000+0000", "a2_5.4": "2020-11-05T21:00:00.000+0000", "a2_6.4": "2020-02-25T21:00:00.000+0000", "a2_7.4": "US" }, { "a2_1.5": 149, "a2_2.5": "lab lab lab.", "a2_3.5": "Good", "a2_4.5": "2020-02-25T21:00:00.000+0000", "a2_5.5": "2020-11-05T21:00:00.000+0000", "a2_6.5": "2020-02-25T21:00:00.000+0000", "a2_7.5": "India" } ] } ] }[/code] ___________________________________ So, the json is contained multi node and I can't access to two node (a1, a2) in one report data set so I tried to make subreport using same data adapter to let subreport print a2 data in main report which has the a1 data. and the subreport work individually very well but not reflected in the main!! if you know the ptoblemthe why subreport cannot be reflected in the main !! this is the code in the -Main report <subreport> <reportElement x="36" y="13" width="254" height="200" uuid="6156be9a-2e27-478d-bd32-6f28f9b22389"/> <connectionExpression><![CDATA[$P{REPORT_CONNECTION}]]></connectionExpression> <subreportExpression><![CDATA["repo/Blank_A4.jasper"]]></subreportExpression> </subreport>[/code] Thank you for reading,, Please help if you can..