What must I do in the case of java sql sqlrecoverableexception?

297    Asked by AbigailAbraham in Java , Asked on Oct 11, 2022

 During installation of an application, got following error for Oracle database -


Closed Connection java.sql.SQLRecoverableException: Closed Connection at

oracle.jdbc.driver.PhysicalConnection.prepareStatementInternal(PhysicalConnection.java:4079) ~

[ojdbc7.jar:12.1.0.1.0] at 

oracle.jdbc.driver.PhysicalConnection.prepareStatement(PhysicalConnection.java:4045) ~

[ojdbc7.jar:12.1.0.1.0] at 

oracle.jdbc.driver.PhysicalConnection.prepareStatement(PhysicalConnection.java:3951) ~

[ojdbc7.jar:12.1.0.1.0] 

An internet search suggested this could be a firewall but the firewall is disabled on the machine where it is run.


Could you please help to understand what could be wrong here?


Oracle version is - 12.1.0


Answered by Kaneko Takeda

The error - java sql sqlrecoverableexception occurs on some RedHat distributions. The only thing you need to do is to run your application with parameter java.security.egd=file:///dev/urandom:


java -Djava.security.egd=file:///dev/urandom [your command]



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