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TIKA 라이브러리 사용시 발생한 에러 

java.lang.UnsupportedClassVersionError: org/apache/tika/Tika : Unsupported major.minor version 52.0

 

* 개발환경 : JAVA 7

* 문제점

java7 환경에서는 tika 버전을 최대 1.17까지밖에 못쓴다.

그 이후의 릴리즈는 최소 java 8이 필요함 

 

* 아래 내용 참고 

13 December 2017: Apache Tika ReleaseApache Tika 1.17 has been released! This release includes new support for automatic image captioning, as well as numerous bug fixes and upgrades to dependencies. PLEASE NOTE: this will be the last version that will support Java 7. The next versions will require Java 8. Please see the CHANGES.txt file for the full list of changes in the release and have a look at the download page for more information on how to obtain Apache Tika 1.17.

https://tika.apache.org/

 

Apache Tika – Apache Tika

Apache Tika - a content analysis toolkit The Apache Tika™ toolkit detects and extracts metadata and text from over a thousand different file types (such as PPT, XLS, and PDF). All of these file types can be parsed through a single interface, making Tika

tika.apache.org

 

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