Caused by: java.lang.NullPointerException
        at org.apache.harmony.security.Util.equalsIgnoreCase(Util.java:46)
        at org.apache.harmony.security.fortress.PolicyUtils.getPolicyURLs(PolicyUtils.java:429)
        at org.apache.harmony.security.fortress.DefaultPolicy$1.run(DefaultPolicy.java:324)
        at org.apache.harmony.security.fortress.DefaultPolicy$1.run(DefaultPolicy.java:317)
        at java.security.AccessController.doPrivileged(AccessController.java:202)
        at org.apache.harmony.security.fortress.DefaultPolicy.refreshImpl(DefaultPolicy.java:317)
        at org.apache.harmony.security.fortress.DefaultPolicy.<init>(DefaultPolicy.java:218)
        at org.apache.harmony.security.fortress.DefaultPolicy.<init>(DefaultPolicy.java:211)
        at org.apache.harmony.security.fortress.DefaultPolicy.<init>(DefaultPolicy.java:198)
        at java.security.Policy.getDefaultProvider(Policy.java:485)
        at java.security.Policy.getAccessiblePolicy(Policy.java:524)
        at java.security.ProtectionDomain.implies(ProtectionDomain.java:199)
        at java.security.AccessController.checkPermission(AccessController.java:98)
        at ch.qos.logback.core.util.Loader$1.run(Loader.java:50)
        at ch.qos.logback.core.util.Loader$1.run(Loader.java:47)
        at java.security.AccessController.doPrivileged(AccessController.java:202)
        at ch.qos.logback.core.util.Loader.<clinit>(Loader.java:46)
        at java.lang.J9VMInternals.initializeImpl(Native Method)
        at java.lang.J9VMInternals.initialize(J9VMInternals.java:200)