Met errors when called java code

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1

when I tryed to call Java code,which inserting data into DB postgre ,I got some err msg like:
[System.NullReferenceException: Object reference not set to an instance of an object.\r\n at UiPath.Java.JavaObject.ConvertT\r\n at UiPath.Java.Activities.ConvertJavaObject`1.Execute(CodeActivityContext context)\r\n at System.Activities.CodeActivity.InternalExecute(ActivityInstance instance, ActivityExecutor executor, BookmarkManager bookmarkManager)\r\n at System.Activities.ActivityInstance.Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)\r\n at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation)",
“level”: “Information”,
“logType”: “User”,
“timeStamp”: “09:37:03”,
“fileName”: “Main”,
“processVersion”: “1.0.0”,
“jobId”: “…”,
“robotName”: “…”,
“machineId”: 0
} ]

my Java code can be executed successfully by myself, how can I deal with this problem hope someone can help me ,thx

2

@Yes_RPG

It’s a Null Exception, can you share your workflow with the required code?

OR

You can check which is getting Null while passing the variables?

Thanks

3

thx for help，now I can execute Java code successfully，but another problem occured，I try to execute SQL for DB postgre，when I ran the UIpath program to call it ，it showed me：‘java.sql.SQLException: No suitable driver found for jdbc:postgresql://IP:Port/DBName‘， have u seen this problem before？

4

@Yes_RPG

You can check below thread

Hope this may help you

Thanks

5

thx for replying， i had resolved this problem

1 Like
6

@Yes_RPG

Glad it helped

Please close this thread by clicking on Mark as Solution to the post which helped you
So that others can benefit

Thanks

7

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