Maybe?

.travis.yml

@@ -9,7 +9,7 @@ env:
   global:
   - secure: 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
 before_install:
-- java -version
+- ./jdk_switcher.sh use java-9-oracle
 - echo Installing Elastic $ELASTIC_VERSION from $ELASTIC_URL
 - curl -s $ELASTIC_URL | tar xz -C /tmp
 - ls /tmp

jdk_switcher.sh

@@ -0,0 +1,228 @@
+#!/usr/bin/env bash
+
+if uname -a | grep x86_64 >/dev/null; then
+    ARCH_SUFFIX=amd64
+else
+    ARCH_SUFFIX=i386
+fi
+
+: "${JDK_SWITCHER_DEFAULT:=openjdk8}"
+: "${UJA:=update-java-alternatives}"
+
+OPENJDK6_UJA_ALIAS="java-1.6.0-openjdk"
+OPENJDK6_JAVA_HOME="/usr/lib/jvm/java-6-openjdk"
+if [[ -d "/usr/lib/jvm/java-6-openjdk-${ARCH_SUFFIX}" ]]; then
+    OPENJDK6_UJA_ALIAS="java-1.6.0-openjdk-${ARCH_SUFFIX}"
+    OPENJDK6_JAVA_HOME="/usr/lib/jvm/java-6-openjdk-${ARCH_SUFFIX}"
+fi
+
+OPENJDK7_UJA_ALIAS="java-1.7.0-openjdk"
+OPENJDK7_JAVA_HOME="/usr/lib/jvm/java-7-openjdk"
+if [[ -d "/usr/lib/jvm/java-7-openjdk-${ARCH_SUFFIX}" ]]; then
+    OPENJDK7_UJA_ALIAS="java-1.7.0-openjdk-${ARCH_SUFFIX}"
+    OPENJDK7_JAVA_HOME="/usr/lib/jvm/java-7-openjdk-${ARCH_SUFFIX}"
+fi
+
+OPENJDK8_UJA_ALIAS="java-1.8.0-openjdk"
+OPENJDK8_JAVA_HOME="/usr/lib/jvm/java-8-openjdk"
+if [[ -d "/usr/lib/jvm/java-8-openjdk-${ARCH_SUFFIX}" ]]; then
+    OPENJDK8_UJA_ALIAS="java-1.8.0-openjdk-${ARCH_SUFFIX}"
+    OPENJDK8_JAVA_HOME="/usr/lib/jvm/java-8-openjdk-${ARCH_SUFFIX}"
+fi
+
+ORACLEJDK7_UJA_ALIAS="java-7-oracle"
+ORACLEJDK7_JAVA_HOME="/usr/lib/jvm/java-7-oracle"
+if [[ -d "/usr/lib/jvm/java-7-oracle-${ARCH_SUFFIX}" ]]; then
+    ORACLEJDK7_UJA_ALIAS="java-7-oracle-${ARCH_SUFFIX}"
+    ORACLEJDK7_JAVA_HOME="/usr/lib/jvm/java-7-oracle-${ARCH_SUFFIX}"
+fi
+
+ORACLEJDK8_UJA_ALIAS="java-8-oracle"
+ORACLEJDK8_JAVA_HOME="/usr/lib/jvm/java-8-oracle"
+if [[ -d "/usr/lib/jvm/java-8-oracle-${ARCH_SUFFIX}" ]]; then
+    ORACLEJDK8_UJA_ALIAS="java-8-oracle-${ARCH_SUFFIX}"
+    ORACLEJDK8_JAVA_HOME="/usr/lib/jvm/java-8-oracle-${ARCH_SUFFIX}"
+fi
+
+ORACLEJDK9_UJA_ALIAS="java-9-oracle"
+ORACLEJDK9_JAVA_HOME="/usr/lib/jvm/java-9-oracle"
+if [[ -d "/usr/lib/jvm/java-9-oracle-${ARCH_SUFFIX}" ]]; then
+    ORACLEJDK9_UJA_ALIAS="java-9-oracle-${ARCH_SUFFIX}"
+    ORACLEJDK9_JAVA_HOME="/usr/lib/jvm/java-9-oracle-${ARCH_SUFFIX}"
+fi
+
+for config_file in /etc/default/jdk-switcher "${HOME}/.jdk_switcherrc" "${JDK_SWITCHER_CONFIG}"; do
+    if [[ -f "${config_file}" ]]; then
+        # shellcheck source=/dev/null
+        source "${config_file}"
+    fi
+done
+
+switch_to_openjdk6() {
+    echo "Switching to OpenJDK6 ($OPENJDK6_UJA_ALIAS), JAVA_HOME will be set to $OPENJDK6_JAVA_HOME"
+    sudo "${UJA}" --set "$OPENJDK6_UJA_ALIAS"
+    export JAVA_HOME="$OPENJDK6_JAVA_HOME"
+}
+
+switch_to_openjdk7() {
+    echo "Switching to OpenJDK7 ($OPENJDK7_UJA_ALIAS), JAVA_HOME will be set to $OPENJDK7_JAVA_HOME"
+    sudo "${UJA}" --set "$OPENJDK7_UJA_ALIAS"
+    export JAVA_HOME="$OPENJDK7_JAVA_HOME"
+}
+
+switch_to_openjdk8() {
+    echo "Switching to OpenJDK8 ($OPENJDK8_UJA_ALIAS), JAVA_HOME will be set to $OPENJDK8_JAVA_HOME"
+    sudo "${UJA}" --set "$OPENJDK8_UJA_ALIAS"
+    export JAVA_HOME="$OPENJDK8_JAVA_HOME"
+}
+
+switch_to_oraclejdk7() {
+    echo "Switching to Oracle JDK7 ($ORACLEJDK7_UJA_ALIAS), JAVA_HOME will be set to $ORACLEJDK7_JAVA_HOME"
+    sudo "${UJA}" --set "$ORACLEJDK7_UJA_ALIAS"
+    export JAVA_HOME="$ORACLEJDK7_JAVA_HOME"
+}
+
+switch_to_oraclejdk8() {
+    echo "Switching to Oracle JDK8 ($ORACLEJDK8_UJA_ALIAS), JAVA_HOME will be set to $ORACLEJDK8_JAVA_HOME"
+    sudo "${UJA}" --set "$ORACLEJDK8_UJA_ALIAS"
+    export JAVA_HOME="$ORACLEJDK8_JAVA_HOME"
+}
+
+switch_to_oraclejdk9() {
+    echo "Switching to Oracle JDK9 ($ORACLEJDK9_UJA_ALIAS), JAVA_HOME will be set to $ORACLEJDK9_JAVA_HOME"
+    sudo "${UJA}" --set "$ORACLEJDK9_UJA_ALIAS"
+    export JAVA_HOME="$ORACLEJDK9_JAVA_HOME"
+}
+
+print_home_of_openjdk6() {
+    echo "$OPENJDK6_JAVA_HOME"
+}
+
+print_home_of_openjdk7() {
+    echo "$OPENJDK7_JAVA_HOME"
+}
+
+print_home_of_openjdk8() {
+    echo "$OPENJDK8_JAVA_HOME"
+}
+
+print_home_of_oraclejdk7() {
+    echo "$ORACLEJDK7_JAVA_HOME"
+}
+
+print_home_of_oraclejdk8() {
+    echo "$ORACLEJDK8_JAVA_HOME"
+}
+
+print_home_of_oraclejdk9() {
+    echo "$ORACLEJDK9_JAVA_HOME"
+}
+
+warn_sunjdk6_eol() {
+    echo "Sun/Oracle JDK 6 is EOL since November 2012, and is no longer supported. Please consider upgrading..." >&2
+}
+
+warn_jdk_not_known() {
+    echo "Sorry, but JDK '$1' is not known." >&2
+}
+
+warn_gcj_user() {
+    echo "We do not support GCJ. I mean, come on. Are you Richard Stallman?" >&2
+}
+
+switch_jdk() {
+    case "${1:-default}" in
+        *gcj*)
+            warn_gcj_user
+            false
+            ;;
+        openjdk6 | openjdk1.6 | openjdk1.6.0 | jdk6 | 1.6.0 | 1.6 | 6.0)
+            switch_to_openjdk6
+            ;;
+        openjdk7 | jdk7 | 1.7.0 | 1.7 | 7.0)
+            switch_to_openjdk7
+            ;;
+        openjdk8 | jdk8 | 1.8.0 | 1.8 | 8.0)
+            switch_to_openjdk8
+            ;;
+        oraclejdk6 | oraclejdk1.6 | oraclejdk1.6.0 | oracle6 | oracle1.6.0 | oracle6.0 | sunjdk6 | sun6)
+            warn_sunjdk6_eol
+            false
+            ;;
+        oraclejdk7 | oraclejdk1.7 | oraclejdk1.7.0 | oracle7 | oracle1.7.0 | oracle7.0 | oracle | sunjdk7 | sun7 | sun)
+            switch_to_oraclejdk7
+            ;;
+        oraclejdk8 | oraclejdk1.8 | oraclejdk1.8.0 | oracle8 | oracle1.8.0 | oracle8.0)
+            switch_to_oraclejdk8
+            ;;
+        oraclejdk9 | oraclejdk1.9 | oraclejdk1.9.0 | oracle9 | oracle1.9.0 | oracle9.0)
+            switch_to_oraclejdk9
+            ;;
+        default)
+            "switch_to_${JDK_SWITCHER_DEFAULT}"
+            ;;
+        *)
+            warn_jdk_not_known "$1"
+            false
+            ;;
+    esac
+}
+
+print_java_home() {
+    typeset JDK
+    JDK="$1"
+
+    case "$JDK" in
+        *gcj*)
+            warn_gcj_user
+            ;;
+        openjdk6 | openjdk1.6 | openjdk1.6.0 | jdk6 | 1.6.0 | 1.6 | 6.0)
+            print_home_of_openjdk6
+            ;;
+        openjdk7 | jdk7 | 1.7.0 | 1.7 | 7.0)
+            print_home_of_openjdk7
+            ;;
+        openjdk8 | jdk8 | 1.8.0 | 1.8 | 8.0)
+            print_home_of_openjdk8
+            ;;
+        oraclejdk6 | oraclejdk1.6 | oraclejdk1.6.0 | oracle6 | oracle1.6.0 | oracle6.0 | sunjdk6 | sun6)
+            warn_sunjdk6_eol
+            ;;
+        oraclejdk7 | oraclejdk1.7 | oraclejdk1.7.0 | oracle7 | oracle1.7.0 | oracle7.0 | oracle | sunjdk7 | sun7 | sun)
+            print_home_of_oraclejdk7
+            ;;
+        oraclejdk8 | oraclejdk1.8 | oraclejdk1.8.0 | oracle8 | oracle1.8.0 | oracle8.0)
+            print_home_of_oraclejdk8
+            ;;
+        oraclejdk9 | oraclejdk1.9 | oraclejdk1.9.0 | oracle9 | oracle1.9.0 | oracle9.0)
+            print_home_of_oraclejdk9
+            ;;
+        default)
+            "print_home_of_${JDK_SWITCHER_DEFAULT}"
+            ;;
+        *)
+            warn_jdk_not_known "$JDK"
+            ;;
+    esac
+}
+
+jdk_switcher() {
+    typeset COMMAND JDK
+    COMMAND="$1"
+    JDK="$2"
+
+    case "$COMMAND" in
+        use)
+            switch_jdk "$JDK"
+            ;;
+        home)
+            print_java_home "$JDK"
+            ;;
+        *)
+            echo "Usage: jdk_switcher {use|home} [ JDK version ]" >&2
+            false
+            ;;
+    esac
+
+    return $?
+}

test.js

@@ -28,6 +28,11 @@ tap.beforeEach((done) => {
   })
 })
 
+setTimeout(function () {
+  console.log('terminating, it\'s taking too long')
+  process.exit(1)
+}, 60 * 1000).unref()
+
 test('store a log line', {timeout}, (t) => {
   t.plan(3)