Drop deprecated dependencies on Log4j, JRuby, JExcel, Burlap, Commons Pool/DBCP [SPR-14429]

[spring-projects-issues]

Juergen Hoeller opened SPR-14429 and commented

As of 5.0, we're broadly removing deprecated dependencies such as Log4j, JRuby, JExcel, Burlap, Commons Pool/DBCP and also outdated support classes for Oracle, GlassFish, JBoss.

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Issue Links:

• Introduce log4j 2 for Spring's test suite [SPR-14431] #19002 Introduce log4j 2 for Spring's test suite
• Broadly remove deprecated core classes and methods [SPR-14430] #19001 Broadly remove deprecated core classes and methods