From 4cd1b8832a933efe4397cfb2a64fdf200ae3f6cd Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Sun, 18 Dec 2016 00:53:01 +0000
Subject: [PATCH] Use Java 8 - fixes fix java.lang.NoSuchMethodError errors

---
 Dockerfile |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 325682f..b5e20f3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,12 @@
 FROM debian
 MAINTAINER Jacek Kowalski <Jacek@jacekk.info>
 
-ENV OPENFIRE_VERSION 4.0.1
+ENV OPENFIRE_VERSION 4.0.2
 
-RUN apt-get -y update \
-	&& apt-get -y install openjdk-7-jre-headless wget sudo \
+RUN echo 'deb http://httpredir.debian.org/debian jessie-backports main' > \
+		/etc/apt/sources.list.d/jessie-backports.list \
+	&& apt-get -y update \
+	&& apt-get -y -t jessie-backports install openjdk-8-jre-headless wget sudo \
 	&& apt-get -y clean
 
 RUN cd /tmp \

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