"java.lang.NullPointerException: Null" When Running Websphere Application On Zlinux Servers
(Doc ID 2724085.1)
Last updated on APRIL 25, 2023
Applies to:
JDBC - Version 12.1.0.2.0 and laterInformation in this document applies to any platform.
Symptoms
On : 12.2.0.1 version,
A Webpshere 9 application using JDBC 12.2.0.1 on ZLinux servers fails to retrieve the database connection because of a nullpointer exception in the driver.
The application is trying to use a variable which is null, and the application throws the exception.
The error reported in the application log is:
...
2020-09-22T12:49:39,758 ERROR ....OracleDAO:logError:2361 [350:WMQJCAResourceAdapter : 1:5] - [LIVE,null,null] Error retrieving rules: null
java.lang.NullPointerException: null
...
The error reported in the database alert log is:
...
Fatal NI connect error 12170.
VERSION INFORMATION:
TNS for Linux: Version 12.2.0.1.0 - Production
Oracle Bequeath NT Protocol Adapter for Linux: Version 12.2.0.1.0 - Production
TCP/IP NT Protocol Adapter for Linux: Version 12.2.0.1.0 - Production
Time: 29-JUL-2020 16:57:15
Tracing not turned on.
Tns error struct:
ns main err code: 12535
TNS-12535: TNS:operation timed out
ns secondary err code: 12560
nt main err code: 505
TNS-00505: Operation timed out
nt secondary err code: 110
nt OS err code: 0
Client address: (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=))
Changes
Cause
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