Nightly test fails with runtime/SharedArchiveFile/SharedStrings.java

/scratch/local/aurora/sandbox/results/workDir/classes/2/runtime/SharedArchiveFile/sun/hotspot/WhiteBox.class : no such file or directory
java.lang.RuntimeException: jar operation failed
at BasicJarBuilder.createJar(BasicJarBuilder.java:70)
at BasicJarBuilder.createSimpleJar(BasicJarBuilder.java:54)
at BasicJarBuilder.build(BasicJarBuilder.java:44)
at SharedStrings.main(SharedStrings.java:44)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:504)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:92)
at java.lang.Thread.run(Thread.java:746)