100's of errors in nightly test run on weme after jacoco property/priviledges checkin

100's of errors in nightly test, all seem to be a null pointer while processing policy files during setup.
problem is in jvm code, and it seems specific to the weme6.2 jvm.

The only change being tested in this run was
For instance:
330) testAll(org.apache.derbyTesting.functionTests.tests.lang.NativeAuthenticationServiceTest)java.lang.NullPointerException
at com.ibm.oti.util.DefaultPolicy.addGrant(DefaultPolicy.java:619)
at com.ibm.oti.util.DefaultPolicy.readPolicy(DefaultPolicy.java:608)
at com.ibm.oti.util.DefaultPolicy.getSystemPolicy(DefaultPolicy.java:922)
at com.ibm.oti.util.DefaultPolicy.getPermissionsImpl(DefaultPolicy.java:114)
at com.ibm.oti.util.DefaultPolicy$1.run(DefaultPolicy.java:67)
at java.security.AccessController.doPrivileged(AccessController.java:204)
at com.ibm.oti.util.DefaultPolicy.privateGetPermissions(DefaultPolicy.java:65)
at com.ibm.oti.util.DefaultPolicy.getPermissions(DefaultPolicy.java:53)
at java.security.Policy.getPermissions(Policy.java:131)
at java.security.ProtectionDomain.implies(ProtectionDomain.java:177)
at java.security.AccessController.checkPermission(AccessController.java:99)
at java.lang.SecurityManager.checkPermission(SecurityManager.java:534)
at java.lang.SecurityManager.checkPropertyAccess(SecurityManager.java:331)
at java.lang.System.getProperty(System.java:384)
at java.lang.System.getProperty(System.java:366)
at org.apache.derbyTesting.junit.BaseTestCase$3.run(BaseTestCase.java:292)
at java.security.AccessController.doPrivileged(AccessController.java:204)
at org.apache.derbyTesting.junit.BaseTestCase.getSystemProperty(BaseTestCase.java:288)
at org.apache.derbyTesting.junit.DropDatabaseSetup.removeDatabase(DropDatabaseSetup.java:86)
at org.apache.derbyTesting.junit.TestConfiguration$5.tearDown(TestConfiguration.java:868)
at junit.extensions.TestSetup$1.protect(TestSetup.java:22)
at junit.extensions.TestSetup.run(TestSetup.java:25)
at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
at junit.extensions.TestSetup.run(TestSetup.java:25)
at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
at junit.extensions.TestSetup.run(TestSetup.java:25)
at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
at junit.extensions.TestSetup.run(TestSetup.java:25)
at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
at junit.extensions.TestSetup.run(TestSetup.java:25)
at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
at junit.extensions.TestSetup.run(TestSetup.java:25)
at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)

Here is link to all errors:
http://people.apache.org/~myrnavl/derby_test_results/main/windows/testlog/weme6.2/1447575-suites.All_diff.txt
http://people.apache.org/~myrnavl/derby_test_results/main/windows/testlog/weme6.2/1447575-derbyall_diff.txt