[JENKINS-EA] Lucene-Solr-5.x-Linux (64bit/jdk1.9.0-ea-b85) - Build # 14347 - Failure!

[Policeman Jenkins Server <je...@thetaphi.de>]

Build: http://jenkins.thetaphi.de/job/Lucene-Solr-5.x-Linux/14347/
Java: 64bit/jdk1.9.0-ea-b85 -XX:+UseCompressedOops -XX:+UseG1GC

All tests passed

Build Log:
[...truncated 9024 lines...]
    [javac] Compiling 856 source files to /home/jenkins/workspace/Lucene-Solr-5.x-Linux/solr/build/solr-core/classes/java
    [javac] warning: [options] bootstrap class path not set in conjunction with -source 1.7
    [javac] /home/jenkins/workspace/Lucene-Solr-5.x-Linux/solr/core/src/java/org/apache/solr/servlet/cache/HttpCacheHeaderUtil.java:59: error: incompatible types: Map<Object,Object> cannot be converted to Map<SolrCore,EtagCacheVal>
    [javac]   private static Map<SolrCore, EtagCacheVal> etagCoreCache = Collections.synchronizedMap(new WeakHashMap<>());
    [javac]                                                                                         ^
    [javac] Note: Some input files use or override a deprecated API.
    [javac] Note: Recompile with -Xlint:deprecation for details.
    [javac] Note: Some input files use unchecked or unsafe operations.
    [javac] Note: Recompile with -Xlint:unchecked for details.
    [javac] 1 error

[...truncated 1 lines...]
BUILD FAILED
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/build.xml:785: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/build.xml:729: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/build.xml:59: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/solr/build.xml:233: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/solr/common-build.xml:526: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/solr/common-build.xml:476: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/solr/common-build.xml:389: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/lucene/common-build.xml:526: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/lucene/common-build.xml:1964: Compile failed; see the compiler error output for details.

Total time: 22 minutes 46 seconds
Build step 'Invoke Ant' marked build as failure
Archiving artifacts
[WARNINGS] Skipping publisher since build result is FAILURE
Recording test results
Email was triggered for: Failure - Any
Sending email for trigger: Failure - Any