How to upgrade from log4j 1.x version to log4j 2.x version in Janusgraph

[Riturajvats]

# NOTE: THIS FILE IS GENERATED VIA "update.sh"
# DO NOT EDIT IT DIRECTLY; CHANGES WILL BE OVERWRITTEN.
#
# Copyright 2019 JanusGraph Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

FROM openjdk:8-jdk as builder

ARG JANUS_VERSION=0.4.1

ENV JANUS_VERSION=${JANUS_VERSION} \
    JANUS_HOME=/opt/janusgraph

RUN curl -fSL https://github.com/JanusGraph/janusgraph/releases/download/v${JANUS_VERSION}/janusgraph-${JANUS_VERSIO           N}-hadoop2.zip -o janusgraph.zip && \
    curl -fSL https://github.com/JanusGraph/janusgraph/releases/download/v${JANUS_VERSION}/janusgraph-${JANUS_VERSIO           N}-hadoop2.zip.asc -o janusgraph.zip.asc && \
    curl -fSL https://github.com/JanusGraph/janusgraph/releases/download/v${JANUS_VERSION}/KEYS -o KEYS && \
    gpg --import KEYS && \
    gpg --batch --verify janusgraph.zip.asc janusgraph.zip && \
    unzip janusgraph.zip && \
    mv janusgraph-${JANUS_VERSION}-hadoop2 /opt/janusgraph && \
    rm -rf ${JANUS_HOME}/elasticsearch && \
    rm -rf ${JANUS_HOME}/javadocs && \
    rm -rf ${JANUS_HOME}/log && \
    rm -rf ${JANUS_HOME}/examples

COPY conf/janusgraph-berkeleyje-lucene-server.properties conf/log4j-server.properties ${JANUS_HOME}/conf/gremlin-ser           ver/
COPY scripts/remote-connect.groovy ${JANUS_HOME}/scripts/
COPY conf/gremlin-server.yaml ${JANUS_HOME}/conf/
#COPY conf/Circuit_Equipment_cluster.properties /opt/janusgraph/conf/gremlin-server/
COPY ./groovy-sql-2.0.1.jar /opt/janusgraph/lib/
COPY ./ojdbc8.jar /opt/janusgraph/lib/
FROM openjdk:8-jdk

ARG CREATED=test
ARG REVISION=test
ARG JANUS_VERSION=0.4.1

ENV JANUS_VERSION=${JANUS_VERSION} \
    JANUS_HOME=/opt/janusgraph \
    JANUS_CONFIG_DIR=/etc/opt/janusgraph \
    JANUS_DATA_DIR=/var/lib/janusgraph \
    JANUS_SERVER_TIMEOUT=30 \
    JANUS_STORAGE_TIMEOUT=60 \
    JANUS_PROPS_TEMPLATE=berkeleyje-lucene \
    janusgraph.index.search.directory=/var/lib/janusgraph/index \
    janusgraph.storage.directory=/var/lib/janusgraph/data \
    gremlinserver.graph=/etc/opt/janusgraph/janusgraph.properties \
    gremlinserver.threadPoolWorker=1 \
    gremlinserver.gremlinPool=8

RUN groupadd -r janusgraph --gid=999 && \
    useradd -r -g janusgraph --uid=999 janusgraph && \
    apt-get update -y && \
    DEBIAN_FRONTEND=noninteractive apt-get install -y krb5-user && \
    rm -rf /var/lib/apt/lists/* && \
    mkdir /docker-entrypoint-initdb.d

COPY --from=builder /opt/janusgraph/ /opt/janusgraph/

COPY docker-entrypoint.sh /usr/local/bin/
COPY load-initdb.sh /usr/local/bin/

RUN chmod 755 /usr/local/bin/docker-entrypoint.sh && \
    chmod 755 /usr/local/bin/load-initdb.sh && \
    chown -R janusgraph:janusgraph ${JANUS_HOME}

RUN apt-get update
RUN apt-get -y install vim
RUN apt-get -y install net-tools
RUN apt-get -y install cron

WORKDIR /opt
ADD ./oracle-instantclient.deb  /opt
ADD ./oracle-instantclient-sqlplus.deb  /opt
ADD ./oracle-instantclient19.6-tools_19.6.0.0.0-2_amd64.deb  /opt
#if libaio also required
RUN apt-get install libaio1
RUN dpkg -i oracle-instantclient.deb
RUN dpkg -i oracle-instantclient-sqlplus.deb
RUN dpkg -i oracle-instantclient19.6-tools_19.6.0.0.0-2_amd64.deb
#COPY oracle.sh /etc/profile.d/
#RUN chmod 755 /etc/profile.d/oracle.sh
#RUN ["/bin/bash", "-c", "source /etc/profile.d/oracle.sh"
ENV ORACLE_HOME=/usr/lib/oracle/19.6/client64
ENV PATH=$ORACLE_HOME/bin:$PATH
ENV LD_LIBRARY_PATH=$ORACLE_HOME/lib
ENV EDITOR=vim
EXPOSE 8182
EXPOSE 8183
EXPOSE 8184
EXPOSE 8185

WORKDIR ${JANUS_HOME}

ENTRYPOINT [ "docker-entrypoint.sh" ]
CMD [ "janusgraph" ]

LABEL org.opencontainers.image.title="JanusGraph Docker Image" \
      org.opencontainers.image.description="Official JanusGraph Docker image" \
      org.opencontainers.image.url="https://janusgraph.org/" \
      org.opencontainers.image.documentation="https://docs.janusgraph.org/v0.4/" \
      org.opencontainers.image.revision="${REVISION}" \
      org.opencontainers.image.source="https://github.com/JanusGraph/janusgraph-docker/" \
      org.opencontainers.image.vendor="JanusGraph" \
      org.opencontainers.image.version="${JANUS_VERSION}" \
      org.opencontainers.image.created="${CREATED}" \
      org.opencontainers.image.license="Apache-2.0"

[Riturajvats]

This is the log4j-server.properties file we are using:

#
# NOTE: THIS FILE IS GENERATED VIA "update.sh"
# DO NOT EDIT IT DIRECTLY; CHANGES WILL BE OVERWRITTEN.
#
# Copyright 2019 JanusGraph Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

log4j.appender.console=org.apache.log4j.ConsoleAppender
log4j.appender.console.Threshold=INFO
log4j.appender.console.layout=org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern=%-4r [%t] %-5p %c %x - %m%n

log4j.rootLogger=INFO, console

[FlorianHockmann]

JanusGraph updates to Log4j 2 in version 1.0.0. You can already use the release candidate 1.0.0 RC1 if you want try it out before the official release of 1.0.0. We will probably also publish a Docker image for that soon: #111.