[Error] IO Error: Got minus one from a read call

Applies to: 

• Liquibase Enterprise (Datical DB)

Conditions:

• TCP/IP on Oracle 19c

Issue Summary:

You may run into an error message when you are working with TCP/IP on Oracle 19 DB if your JDBC driver is on the latest version. This occurs when you try to connect to OracleDB 19c. The error message does not give the user much information. At the time this guide was published, the developers were working on fixing this issue. The resolution below is a fix that can be applied successfully until the error is updated.

Error Message:

IO Error: Got minus one from a read call

Resolution:

1. To resolve this error, you must add a property via hammer CLI and GUI like so:
   1. For CLI: add the following to the hammer executable

      VMARGS="${VMARGS} -Doracle.net.disableOob=true"

   2. For GUI: add the following to the datical.ini file 

      -Doracle.net.disableOob=true

2. Once these properties are applied, you can connect to OracleDB 19c successfully, and the error message will not appear.

Related Article(s):

N/A