NullPointerException Getting Sharded Connection Statistics In UCP
(Doc ID 2876437.1)
Last updated on JUNE 16, 2022
Applies to:
Universal Connection Pool - Version 21.1 to 21.5 [Release 21]JDBC - Version 21.1 to 21.5 [Release 21]
Information in this document applies to any platform.
Symptoms
In Universal Connection Pool (UCP) Version 21c calling statistics UniversalConnectionPoolStatisticsImpl.getShardConnectionStats() without starting the pool fails with NullPointerException.
Exception trace:
java.lang.NullPointerException: null
at oracle.ucp.common.Topology.getShardConnectionStats(Topology.java:919)
at
oracle.ucp.common.UniversalConnectionPoolBase.getShardConnectionStats(UniversalConnectionPoolBase.java:2709)
at
oracle.ucp.common.UniversalConnectionPoolStatisticsImpl.getShardConnectionStats(UniversalConnectionPoolStatisticsImpl.java:313)
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |