See https://builds.apache.org/job/ZooKeeper-trunk-openjdk7/1630/
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########################## LAST 60 LINES OF THE CONSOLE
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Started by timer
[EnvInject] - Loading node environment variables.
Building remotely on H17 (couchdbtest ubuntu xenial) in workspace
/home/jenkins/jenkins-slave/workspace/ZooKeeper-trunk-openjdk7
> git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
> git config remote.origin.url git://git.apache.org/zookeeper.git # timeout=10
Cleaning workspace
> git rev-parse --verify HEAD # timeout=10
Resetting working tree
> git reset --hard # timeout=10
> git clean -fdx # timeout=10
Fetching upstream changes from git://git.apache.org/zookeeper.git
> git --version # timeout=10
> git fetch --tags --progress git://git.apache.org/zookeeper.git
> +refs/heads/*:refs/remotes/origin/*
> git rev-parse refs/remotes/origin/master^{commit} # timeout=10
> git rev-parse refs/remotes/origin/origin/master^{commit} # timeout=10
Checking out Revision f33a75db1cc18124b6d0a4ee15967901fa6ec493
(refs/remotes/origin/master)
Commit message: "ZOOKEEPER-2777: There is a typo in zk.py which prevents from
using/compiling it"
> git config core.sparsecheckout # timeout=10
> git checkout -f f33a75db1cc18124b6d0a4ee15967901fa6ec493
> git rev-list f33a75db1cc18124b6d0a4ee15967901fa6ec493 # timeout=10
No emails were triggered.
Setting OPENJDK_7_ON_UBUNTU_ONLY__HOME=/usr/lib/jvm/java-7-openjdk-amd64/
[ZooKeeper-trunk-openjdk7] $ /home/jenkins/tools/ant/apache-ant-1.9.9/bin/ant
-Dtest.output=yes -Dtest.junit.threads=8 -Dtest.junit.output.format=xml
-Djavac.target=1.7 clean test-core-java
Error: JAVA_HOME is not defined correctly.
We cannot execute /usr/lib/jvm/java-7-openjdk-amd64//bin/java
ERROR: Could not install OPENJDK_7_ON_UBUNTU_ONLY__HOME
java.lang.NullPointerException
Build step 'Invoke Ant' marked build as failure
Recording test results
Setting OPENJDK_7_ON_UBUNTU_ONLY__HOME=/usr/lib/jvm/java-7-openjdk-amd64/
ERROR: Step ?Publish JUnit test result report? failed: No test report files
were found. Configuration error?
Setting OPENJDK_7_ON_UBUNTU_ONLY__HOME=/usr/lib/jvm/java-7-openjdk-amd64/
Email was triggered for: Failure - Any
Sending email for trigger: Failure - Any
Setting OPENJDK_7_ON_UBUNTU_ONLY__HOME=/usr/lib/jvm/java-7-openjdk-amd64/
Setting OPENJDK_7_ON_UBUNTU_ONLY__HOME=/usr/lib/jvm/java-7-openjdk-amd64/
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############################## FAILED TESTS (if any)
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No tests ran.
