| #!/usr/bin/env bash |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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. |
| |
| |
| # Override JAVA_HOME in the file below if you want to disable |
| # automatic JAVA_HOME detection |
| BIGTOP_DEFAULTS_DIR=${BIGTOP_DEFAULTS_DIR-/etc/default} |
| [ -n "${BIGTOP_DEFAULTS_DIR}" -a -r ${BIGTOP_DEFAULTS_DIR}/bigtop-utils ] && . ${BIGTOP_DEFAULTS_DIR}/bigtop-utils |
| |
| JAVA8_HOME_CANDIDATES=( |
| '/usr/java/jdk1.8' |
| '/usr/java/jre1.8' |
| '/usr/lib/jvm/j2sdk1.8-oracle' |
| '/usr/lib/jvm/j2sdk1.8-oracle/jre' |
| '/usr/lib/jvm/java-8-oracle' |
| '/usr/lib/jdk8-latest' |
| '/usr/lib/jvm/java-1.8.0' |
| '/usr/lib/jvm/java-1.8.0-oracle' |
| ) |
| |
| OPENJAVA8_HOME_CANDIDATES=( |
| '/usr/lib/jvm/java-1.8.0-openjdk-amd64' |
| '/usr/lib/jvm/java-1.8.0-openjdk-ppc64el' |
| '/usr/lib/jvm/java-1.8.0-openjdk' |
| '/usr/lib64/jvm/java-1.8.0-openjdk-1.8.0' |
| ) |
| |
| MISCJAVA_HOME_CANDIDATES=( |
| '/Library/Java/Home' |
| '/usr/java/default' |
| '/usr/lib/jvm/java' |
| '/usr/lib/jvm/jre' |
| '/usr/lib/jvm/default-java' |
| '/usr/lib/jvm/java-openjdk' |
| '/usr/lib/jvm/jre-openjdk' |
| '/usr/lib/jvm/java-oracle' |
| ) |
| |
| case ${BIGTOP_JAVA_MAJOR} in |
| 6|7) echo "Java ${BIGTOP_JAVA_MAJOR} is no longer supported. Please upgrade" |
| exit 1 |
| ;; |
| 8) JAVA_HOME_CANDIDATES=(${JAVA8_HOME_CANDIDATES[@]} ${OPENJAVA8_HOME_CANDIDATES[@]}) |
| ;; |
| *) JAVA_HOME_CANDIDATES=(${JAVA8_HOME_CANDIDATES[@]} |
| ${MISCJAVA_HOME_CANDIDATES[@]} |
| ${OPENJAVA8_HOME_CANDIDATES[@]}) |
| ;; |
| esac |
| |
| # attempt to find java |
| if [ -z "${JAVA_HOME}" ]; then |
| for candidate_regex in ${JAVA_HOME_CANDIDATES[@]} ; do |
| for candidate in `ls -rvd ${candidate_regex}* 2>/dev/null`; do |
| if [ -e ${candidate}/bin/java ]; then |
| export JAVA_HOME=${candidate} |
| break 2 |
| fi |
| done |
| done |
| fi |