Jdbc4SqlXmlHandler should return null as documented (instead of throwing NPE) [SPR-13782]

[spring-projects-issues]

Juergen Hoeller opened SPR-13782 and commented

According to a report on the Spring Data JDBC Extensions, there is a discrepancy between our SqlXmlHandler javadoc and our implementations:
spring-attic/spring-data-jdbc-ext#24

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Affects: 3.2.15, 4.1.8, 4.2.3

Reference URL: spring-attic/spring-data-jdbc-ext#24

Issue Links:

• DATAJDBC-84 OracleXmlHandler.getXmlAsString throws NPE instead of returning null

Referenced from: commits 3403e8d, c0e5d00, 78dad4c

Backported to: 4.1.9, 3.2.16