package postgres-xc 1.1-2ubuntu2 failed to install/upgrade: E: Sub-process /usr/bin/dpkg returned an error code (1)

[Fabiana Zioti]

dpkg: erro ao processar o pacote postgres-xc (--configure):
 sub-processo script post-installation instalado retornou estado de saída de erro 1
A processar 'triggers' para ureadahead (0.100.0-16) ...
Erros foram encontrados durante o processamento de:
 oracle-java7-installer
 postgres-xc
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: postgres-xc 1.1-2ubuntu2
ProcVersionSignature: Ubuntu 3.13.0-119.166-generic 3.13.11-ckt39
Uname: Linux 3.13.0-119-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.24
AptOrdering:
 postgres-xc-client: Install
 postgres-xc: Install
 oracle-java7-installer: Configure
 postgres-xc-client: Configure
 postgres-xc: Configure
Architecture: amd64
Date: Sat Jun 10 21:18:38 2017
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-trusty-amd64-20140620-0
DuplicateSignature: package:postgres-xc:1.1-2ubuntu2:sub-processo script post-installation instalado retornou estado de saída de erro 1
ErrorMessage: sub-processo script post-installation instalado retornou estado de saída de erro 1
InstallationDate: Installed on 2016-07-28 (317 days ago)
InstallationMedia: Ubuntu 14.04 "Trusty" - Build amd64 LIVE Binary 20140620-04:25
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.7
 apt 1.0.1ubuntu2.17
SourcePackage: postgres-xc
Title: package postgres-xc 1.1-2ubuntu2 failed to install/upgrade: sub-processo script post-installation instalado retornou estado de saída de erro 1
UpgradeStatus: No upgrade log present (probably fresh install)