The Issue # 115180 reports that the Java VM can be picked up by Open if you enter the following lines in the Terminal.
Free alternative for Office productivity tools: Apache Open Office - formerly known as Open - is an open-source office productivity software suite containing word processor, spreadsheet, presentation, graphics, formula editor, and database management applications.
Open the Open Office installation file from the download area of the dock, then double click the Open Office icon at the upper left of the window that appears.
When finished, click Finish at the bottom right of the window. Referenced from: is a resource of Louisiana State University developed and maintained with support of the LSU Student Technology Fee.
Restart Open (not 100% necessary all the time, but I found it just a reassuring step).
According to this forum, Neo Office has fixed the JRE issues caused by the latest upgrade.
Idealware is a small nonprofit that helps other nonprofits make smart decisions about software. Microsoft Office continues to dominate the productivity software marketplace.
However, open-source options such as Apache Open Office and the Document Foundation's Libre Office have emerged — and many users feel they are as good or better than Microsoft Office.The open-source options also include "Base," a database similar to Microsoft Access; a tool called "Draw" that's similar to Microsoft Visio; a chart-creation module called "Charts"; and an equation editor called "Math." Although some desktop versions of Microsoft Office don't include the desktop-publishing application Publisher, all now offer One Note, a note-taking and sharing tool. Neither of the open-source alternatives provides an email or calendaring tool or an analogue for One Note.For the purposes of this article, we'll focus on word processing, spreadsheet, and presentation tools.From the Neo Office website: Neo Office is a full-featured set of office applications (including word processing, spreadsheet, and presentation programs) for Mac OS X.We have created an office suite that is adapted to the unique needs of Mac users by taking the features in Oracle’s Open office suite and adding improvements.How do these open-source suites differ from Microsoft Office? To help you decide, we compared key features of the 2016 version of Microsoft's productivity suite to Apache Open Office 4.1 and Libre Office 5.1.