Detailed example of poi package conflict problem

1. Required jar package

Involved poi

(1) poi-3.14.jar (HSSF)

Dependency: commons-logging-1.2.jar , log4j-1.2.17.jar, commons-codec.1.10.jar, junit.4.12.jar, hamcrest-core.1.3.jar

　 (2) poi-ooxml-3.14.jar (XSSF)

Dependencies: poi-3.14.jar, poi-ooxml-schemas-3.14.jar, curvesapi-1.03.jar (I don’t know what it is used for, please leave a message if you know, thank you)

　（3）poi-ooxml-schemas-3.14.jar

Dependency: xmlbeans-2.6.jar

For detailed dependencies, please check the link:

For example:

2. Frequently Asked Questions

(1) Conflict: xbean.jar and xmlbeans-2.6.jar, xbean.jar needs to be deleted

　(2) Version: The main jar package version is the same, the dependent jar package version is too low or too high, for example: the xmlbeans.jar version is too low, upgrade it

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