[JENKINS] Lucene-Solr-4.x-Windows (32bit/jdk1.7.0_55) - Build # 3989 - Failure!

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

Build: http://jenkins.thetaphi.de/job/Lucene-Solr-4.x-Windows/3989/
Java: 32bit/jdk1.7.0_55 -server -XX:+UseConcMarkSweepGC

All tests passed

Build Log:
[...truncated 10562 lines...]
    [javac] Compiling 33 source files to C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\solr\build\solr-test-framework\classes\java
    [javac] C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\solr\test-framework\src\java\org\apache\solr\util\RandomMergePolicy.java:36: error: RandomMergePolicy is not abstract and does not override abstract method findForcedDeletesMerges(SegmentInfos,IndexWriter) in MergePolicy
    [javac] public final class RandomMergePolicy extends MergePolicy {
    [javac]              ^
    [javac] C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\solr\test-framework\src\java\org\apache\solr\util\RandomMergePolicy.java:65: error: method findForcedDeletesMerges in class MergePolicy cannot be applied to given types;
    [javac]     return inner.findForcedDeletesMerges(segmentInfos);
    [javac]                 ^
    [javac]   required: SegmentInfos,IndexWriter
    [javac]   found: SegmentInfos
    [javac]   reason: actual and formal argument lists differ in length
    [javac] C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\solr\test-framework\src\java\org\apache\solr\util\RandomMergePolicy.java:72: error: method findForcedMerges in class MergePolicy cannot be applied to given types;
    [javac]     return inner.findForcedMerges(segmentInfos, maxSegmentCount, segmentsToMerge);
    [javac]                 ^
    [javac]   required: SegmentInfos,int,Map<SegmentCommitInfo,Boolean>,IndexWriter
    [javac]   found: SegmentInfos,int,Map<SegmentCommitInfo,Boolean>
    [javac]   reason: actual and formal argument lists differ in length
    [javac] C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\solr\test-framework\src\java\org\apache\solr\util\RandomMergePolicy.java:79: error: method findMerges in class MergePolicy cannot be applied to given types;
    [javac]     return inner.findMerges(mergeTrigger, segmentInfos);
    [javac]                 ^
    [javac]   required: MergeTrigger,SegmentInfos,IndexWriter
    [javac]   found: MergeTrigger,SegmentInfos
    [javac]   reason: actual and formal argument lists differ in length
    [javac] C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\solr\test-framework\src\java\org\apache\solr\util\RandomMergePolicy.java:83: error: cannot find symbol
    [javac]     inner.setIndexWriter(writer);
    [javac]          ^
    [javac]   symbol:   method setIndexWriter(IndexWriter)
    [javac]   location: variable inner of type MergePolicy
    [javac] C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\solr\test-framework\src\java\org\apache\solr\util\RandomMergePolicy.java:90: error: method useCompoundFile in class MergePolicy cannot be applied to given types;
    [javac]     return inner.useCompoundFile(infos, mergedInfo);
    [javac]                 ^
    [javac]   required: SegmentInfos,SegmentCommitInfo,IndexWriter
    [javac]   found: SegmentInfos,SegmentCommitInfo
    [javac]   reason: actual and formal argument lists differ in length
    [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] 6 errors

BUILD FAILED
C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\build.xml:467: The following error occurred while executing this line:
C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\build.xml:447: The following error occurred while executing this line:
C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\build.xml:45: The following error occurred while executing this line:
C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\extra-targets.xml:37: The following error occurred while executing this line:
C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\solr\build.xml:189: The following error occurred while executing this line:
C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\solr\common-build.xml:496: The following error occurred while executing this line:
C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\solr\common-build.xml:412: The following error occurred while executing this line:
C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\solr\test-framework\build.xml:41: The following error occurred while executing this line:
C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\lucene\common-build.xml:1755: Compile failed; see the compiler error output for details.

Total time: 30 minutes 24 seconds
Build step 'Invoke Ant' marked build as failure
Description set: Java: 32bit/jdk1.7.0_55 -server -XX:+UseConcMarkSweepGC
Archiving artifacts
Recording test results
Email was triggered for: Failure
Sending email for trigger: Failure