JavaWS SSV - java.lang.NoClassDefFoundError: java/lang/StringBuilder

suite_javaws_ssv tests fail:

java.lang.NoClassDefFoundError: java/lang/StringBuilder
at com.sun.deploy.util.ArrayUtil.arrayToString(ArrayUtil.java:45)
at com.sun.javaws.Launcher.executeApplication(Launcher.java:1221)
at com.sun.javaws.Launcher.executeMainClass(Launcher.java:1169)
at com.sun.javaws.Launcher.continueLaunch(Launcher.java:991)
at com.sun.javaws.Launcher.handleApplicationDesc(Launcher.java:520)
at com.sun.javaws.Launcher.handleLaunchFile(Launcher.java:220)
at com.sun.javaws.Launcher.run(Launcher.java:167)
at java.lang.Thread.run(Unknown Source)