package solr-tomcat 1.4.1+dfsg1-2ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

#!/bin/sh

set -e

# If proper permissions for the stuff under /var/lib/solr haven't
# been set, set them now

case "$1" in
    configure)

        # fixup for upgrade from solr-tomcat55, wich makes this tomcat55:root 750
        chown root:root /var/lib/solr
        chmod 755 /var/lib/solr

        chown -R tomcat6:tomcat6 /var/lib/solr/data
        chmod -R 770 /var/lib/solr/data

        ln -sf /etc/solr/tomcat.policy /etc/tomcat6/policy.d/05solr.policy

    ;;

    abort-upgrade|abort-remove|abort-deconfigure)

    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;

esac

invoke-rc.d --quiet tomcat6 restart || {
    RESULT=$?
    # Ignore if tomcat6 init script does not exist (yet)
    if [ $RESULT != 100 ]; then
 exit $RESULT
    fi
}

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: solr-tomcat 1.4.1+dfsg1-2ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
Uname: Linux 3.2.0-30-generic x86_64
ApportVersion: 2.0.1-0ubuntu13
Architecture: amd64
Date: Mon Sep 24 07:42:52 2012
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu-Server 12.04 LTS "Precise Pangolin" - Release amd64 (20120424.1)
PackageArchitecture: all
SourcePackage: solr
Title: package solr-tomcat 1.4.1+dfsg1-2ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)