wrong class file error when compiling tests

#section:build
----------messages:(3/105)----------
command: build TestClassLoaderStats
reason: Named class compiled on demand
elapsed time (seconds): 7.005
result: Failed. Compilation failed: Compilation failed
....

bpool/local/aurora/CommonData/TESTBASE/hotspot/test/serviceability/sa/TestClassLoaderStats.java:31: error: cannot access LingeredApp
import jdk.test.lib.apps.LingeredApp;
                        ^
  bad class file: /bpool/local/aurora/sandbox/results/workDir/test/lib/share/classes/jdk/test/lib/apps/LingeredApp.class
    class file contains wrong class: jdk.test.lib.Utils
    Please remove or make sure it appears in the correct subdirectory of the classpath.
1 error
result: Failed. Compilation failed: Compilation failed