Hadoop 2.0.5 doc build failure - OutOfMemoryError exception

mvn package -Pdist,native,docs -DskipTests -Dtar 

[INFO] --- maven-source-plugin:2.1.2:test-jar (default) @ hadoop-hdfs ---
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:findbugs (default) @ hadoop-hdfs ---
[INFO] ****** FindBugsMojo execute *******
[INFO] canGenerate is true
[INFO] ****** FindBugsMojo executeFindbugs *******
[INFO] Temp File is /var/lib/jenkins/workspace/Hadoop-Client-2.0.5-T-RPM/rpms/hadoop-devel.x86_64/BUILD/hadoop-common/hadoop-hdfs-project/hadoop-hdfs/target/findbugsTemp.xml
[INFO] Fork Value is true
     [java] Out of memory
     [java] Total memory: 477M
     [java]  free memory: 68M
     [java] Analyzed: /var/lib/jenkins/workspace/Hadoop-Client-2.0.5-T-RPM/rpms/hadoop-devel.x86_64/BUILD/hadoop-common/hadoop-hdfs-project/hadoop-hdfs/target/classes
     [java]      Aux: /home/henkins-service/.m2/repository/org/codehaus/mojo/findbugs-maven-plugin/2.3.2/findbugs-maven-plugin-2.3.2.jar
     [java]      Aux: /home/henkins-service/.m2/repository/com/google/code/findbugs/bcel/1.3.9/bcel-1.3.9.jar
 ...
     [java]      Aux: /home/henkins-service/.m2/repository/xmlenc/xmlenc/0.52/xmlenc-0.52.jar
     [java] Exception in thread "main" java.lang.OutOfMemoryError: GC overhead limit exceeded
     [java] 	at java.util.HashMap.<init>(HashMap.java:226)
     [java] 	at edu.umd.cs.findbugs.ba.deref.UnconditionalValueDerefSet.<init>(UnconditionalValueDerefSet.java:68)
     [java] 	at edu.umd.cs.findbugs.ba.deref.UnconditionalValueDerefAnalysis.createFact(UnconditionalValueDerefAnalysis.java:650)
     [java] 	at edu.umd.cs.findbugs.ba.deref.UnconditionalValueDerefAnalysis.createFact(UnconditionalValueDerefAnalysis.java:82)
     [java] 	at edu.umd.cs.findbugs.ba.BasicAbstractDataflowAnalysis.getFactOnEdge(BasicAbstractDataflowAnalysis.java:119)
     [java] 	at edu.umd.cs.findbugs.ba.AbstractDataflow.getFactOnEdge(AbstractDataflow.java:54)
     [java] 	at edu.umd.cs.findbugs.ba.npe.NullDerefAndRedundantComparisonFinder.examineNullValues(NullDerefAndRedundantComparisonFinder.java:297)
     [java] 	at edu.umd.cs.findbugs.ba.npe.NullDerefAndRedundantComparisonFinder.execute(NullDerefAndRedundantComparisonFinder.java:150)
     [java] 	at edu.umd.cs.findbugs.detect.FindNullDeref.analyzeMethod(FindNullDeref.java:278)
     [java] 	at edu.umd.cs.findbugs.detect.FindNullDeref.visitClassContext(FindNullDeref.java:205)
     [java] 	at edu.umd.cs.findbugs.DetectorToDetector2Adapter.visitClass(DetectorToDetector2Adapter.java:68)
     [java] 	at edu.umd.cs.findbugs.FindBugs2.analyzeApplication(FindBugs2.java:979)
     [java] 	at edu.umd.cs.findbugs.FindBugs2.execute(FindBugs2.java:230)
     [java] 	at edu.umd.cs.findbugs.FindBugs.runMain(FindBugs.java:348)
     [java] 	at edu.umd.cs.findbugs.FindBugs2.main(FindBugs2.java:1057)
     [java] Java Result: 1
[INFO] No bugs found