No preview with LibreOffice 5 & Mac OS Sierra - Several LibreOffice processes launched

Software used:

• Mac OS Sierra: 10.12.6 (16G1114)
• LibreOffice Version: 5.4.4.2 (Build ID: 2524958677847fb3bb44820e40380acbe820f960)

Steps to reproduce

• Install all the related software (https://doc.nuxeo.com/nxdoc/installing-and-setting-up-related-software/)
• Create/modify your .bash_profile and add this line

  export PATH="$PATH:/Applications/LibreOffice.app/Contents/MacOS"
  

• start your server
• Create a new File document attaching a .docx file
• Several LibreOffice processes are launched (never ends)
• Preview is not shown (white rectangle, no preview)

If you kill the LibreOffice processes this error message appears in the preview window

Estado HTTP 500 - unknown connection org.nuxeo.ecm.core.storage.sql.ra.ConnectionImpl@a13e9f9 in org.nuxeo.ecm.core.storage.sql.ra.ManagedConnectionImpl@2e0196a7
type Informe de estado

mensaje unknown connection org.nuxeo.ecm.core.storage.sql.ra.ConnectionImpl@a13e9f9 in org.nuxeo.ecm.core.storage.sql.ra.ManagedConnectionImpl@2e0196a7

descripción El servidor encontró un error interno que hizo que no pudiera rellenar este requerimiento.

Apache Tomcat/7.0.69