ArrayIndexOutOfBoundsException When Using CLOBs With JDBC OCI in Conjunction With UCP / FCF /FAN (Doc ID 2205092.1)

Last updated on MARCH 08, 2017

Applies to:

JDBC - Version 12.1.0.2.0 and later
Universal Connection Pool - Version 12.1.0.2.0 and later
Information in this document applies to any platform.

Symptoms

A Java application is configured using the 12.1.0.2 JDBC OCI driver with 12.1.0.2 UCP (Universal Connection Pool).

This is set up to work with FCF (Fast Connection Failover).

When the application uses CLOB datatypes, the application fails with the following error:.

Caused by: java.lang.ArrayIndexOutOfBoundsException
  at oracle.jdbc.driver.DynamicByteArray.put(DynamicByteArray.java:939)
  at oracle.jdbc.driver.ByteArray.put(ByteArray.java:624)
  at oracle.jdbc.driver.T2CPreparedStatement.updateData(T2CPreparedStatement.java:3017)
  at oracle.jdbc.driver.T2CStatement.t2cDefineExecuteFetch(Native Method)
  at oracle.jdbc.driver.T2CPreparedStatement.doDefineExecuteFetch(T2CPreparedStatement.java:1910)
  at oracle.jdbc.driver.T2CPreparedStatement.executeForRows(T2CPreparedStatement.java:1116)




STEPS
-----------------------
The issue can be reproduced at will by configuring the database service similar to the following:

srvctl config service -db rhsbx -service yourservice.acme.com
Service name: yourservice.acme.com
Server pool:
Cardinality: 1
Disconnect: false
Service role: PRIMARY
Management policy: AUTOMATIC
DTP transaction: false
AQ HA notifications: true
Global: false
Commit Outcome: true
Failover type: TRANSACTION
Failover method:
TAF failover retries:
TAF failover delay:
Connection Load Balancing Goal: SHORT
Runtime Load Balancing Goal: SERVICE_TIME
TAF policy specification: NONE
Edition:
Pluggable database name:
Maximum lag time: ANY
SQL Translation Profile:
Retention: 86400 seconds
Replay Initiation Time: 300 seconds
Session State Consistency: DYNAMIC
GSM Flags: 0
Service is enabled
Preferred instances: acme1
Available instances: acme2 


Cause

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