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unable to import from data dictionary
I tried to import tables of a database (12.1.0.1.0) schema into datamodeler. After selecting the tables I got a lot of "java.sql.SQLRecoverableException: Closed Connection". The import shows only the tables but no columns.
am using SQL Developer Data Modeler 20.4.1.406.0906 (I tried a newer version with the same result) our infrastructure has changed and the networksettings might have changed. I looked up a lot of posts concerning the java error. But I have no clue how solve the problem. From the database point of view nothing has changed.
help is really appreciated
kind regards Raimund
Comments
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During futher investigation I found an error in the database trace: ORA-03137 TTC protocol internal error : [12333] [11] [83] [84] [] [] [] []. On a 12.1.0.2 database I am getting no error. So I think it is a 12.1.0.1 bug :-(
Futhermore I tried to do the import with a Data Modeler 17.2.0.188.1059 -- and it worked even on a 12.1.0.1.