Bug#842402: error installing

[Brent S. Elmer]

Package: solr-tomcat
Version: 3.6.2+dfsg-8
Severity: normal

When I try to install solr-tomcat on stretch.  I get the following error:

Setting up solr-tomcat (3.6.2+dfsg-8) ...
chown: invalid user: ‘tomcat7:tomcat7’
dpkg: error processing package solr-tomcat (--configure):
 subprocess installed post-installation script returned error exit status 1
Setting up libcommons-digester-java (1.8.1-4) ...
Errors were encountered while processing:
 solr-tomcat



-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.7.5.161003 (SMP w/8 CPU cores; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Init: systemd (via /run/systemd/system)

Versions of packages solr-tomcat depends on:
ii  solr-common   3.6.2+dfsg-8
ii  tomcat7-user  7.0.72-1

solr-tomcat recommends no packages.

solr-tomcat suggests no packages.

-- no debconf information