Downloaded Solr 4.2.1 Source: Build Failing

[Umesh Prasad]

common.compile-core:
    [javac] Compiling 337 source files to
/Users/umeshprasad/Downloads/solr-4.2.1/solr/build/solr-core/classes/java
    [javac]
/Users/umeshprasad/Downloads/solr-4.2.1/solr/core/src/java/org/apache/solr/handler/c
*omponent/QueryComponent.java:765: cannot find symbol
    [javac] symbol  : class ShardFieldSortedHitQueue
    [javac] location: class org.apache.solr.handler.component.QueryComponent
    [javac]       ShardFieldSortedHitQueue queue;*
    [javac]       ^
    [javac]
/Users/umeshprasad/Downloads/solr-4.2.1/solr/core/src/java/org/apache/solr/handler/component/QueryComponent.java:766:
cannot find symbol
    [javac] symbol  : class ShardFieldSortedHitQueue
    [javac] location: class org.apache.solr.handler.component.QueryComponent
    [javac]       queue = new ShardFieldSortedHitQueue(sortFields,
ss.getOffset() + ss.getCount());
    [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] 2 errors


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Thanks & Regards
Umesh Prasad