Possible Error During Findbugs

[hborders]

When I run mvn clean install -P jacoco, I see the following in output:

[INFO] Fork Value is true
     [java] The following classes needed for analysis were missing:
     [java]   java.rmi.Remote
     [java] Missing classes: 1
[INFO] Done FindBugs Analysis....
[INFO] 

That seems bad. I don't know anything about findbugs, but I thought this should be noted.

System:

LT-A8-120617:Quality-Tools-for-Android heath.borders$ java -version
java version "1.7.0_40"
Java(TM) SE Runtime Environment (build 1.7.0_40-b43)
Java HotSpot(TM) 64-Bit Server VM (build 24.0-b56, mixed mode)
LT-A8-120617:Quality-Tools-for-Android heath.borders$ mvn -version
Apache Maven 3.1.1 (0728685237757ffbf44136acec0402957f723d9a; 2013-09-17 10:22:22-0500)
Maven home: /usr/local/Cellar/maven/3.1.1/libexec
Java version: 1.6.0_65, vendor: Apple Inc.
Java home: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
Default locale: en_US, platform encoding: MacRoman
OS name: "mac os x", version: "10.8.5", arch: "x86_64", family: "mac"