How to Install Apache Tika on Ubuntu 22.04|20.04|18.04 [Guide]

How can I install Apache Tika on Ubuntu 22.04|20.04|18.04?. Apache Tika is an Open source toolkit that detects and extracts metadata and text from over a thousand different file types (such as PPT, XLS, and PDF). Tika is very useful for search engine indexing, content analysis, translation e.t.c.

Original content from computingforgeeks.com - post 5680

What is new in Apache Tika 2.2.x

Add support for OneNote files downloaded from O365
Improve extraction of embedded files from MSOffice files created by non-Microsoft tools
Added back ability to ignore load errors in TikaConfig
Fix logic bug in PipesServer that prevented concatenation of content from attachments
Fix default logging in tika-app in batch mode
Fix race condition when starting multiple forked servers on multiple ports
Add metadata item for whether or not a PDF has a collection/is a Portfolio PDF
Add detection of JPEG XL, MARC, ICC profiles, NES-ROM file types
Add optional fetch ranges to FetchEmitTuple to allow range fetching from,e.g. http or s3

In this post, we will discuss the installation of Apache Tika on Ubuntu 22.04|20.04|18.04 LTS.

Apache Tika dependencies

What you need to build and install Apache Tika on Ubuntu 22.04|20.04|18.04 LTS are:

Java Runtime Environment (JRE)
Apache Maven

We will install these dependencies before we can download and install Tika on Ubuntu 22.04|20.04|18.04 Linux system.

Step 1: Install required dependencies

Start by ensuring you’re running an updated Ubuntu Desktop / Server.

sudo apt update
sudo apt -y install wget curl vim unzip

Step 2: Install Java on Ubuntu 22.04|20.04|18.04

As from Tika 1.19, build from Java 11 is supported. You can install Java on Ubuntu using the following commands:

sudo apt install -y default-jdk

Confirm installed version of Java:

$ java --version
openjdk version "11.0.13" 2021-10-19
OpenJDK Runtime Environment (build 11.0.13+8-Ubuntu-0ubuntu1.20.04)
OpenJDK 64-Bit Server VM (build 11.0.13+8-Ubuntu-0ubuntu1.20.04, mixed mode, sharing)

Step 3: Install Apache Maven

Install Apache Maven by following our guide:

Install Latest Apache Maven on Ubuntu

Step 4: Download and Install Apache Tika

Download latest Apache Tika from the Downloads page.

export VER="2.2.1"
wget https://archive.apache.org/dist/tika/${VER}/tika-${VER}-src.zip

Unzip the downloaded file.

unzip tika-${VER}-src.zip

Change to new folder and run mvn install

cd tika-${VER}
mvn install

Sample installation output.

Wait for the installation to finish then test Tika within its base directory.

Reference:

http://tika.apache.org/2.2.1/gettingstarted.html