IBM JDK 7 classloader exception

java.lang.SecurityException: Uninitialized class loader
	at java.lang.ClassLoader.<init>(ClassLoader.java:211)
	at org.drools.core.common.ProjectClassLoader.<init>(ProjectClassLoader.java:60)
	at org.drools.core.common.ProjectClassLoader.<init>(ProjectClassLoader.java:36)
	at org.drools.core.common.ProjectClassLoader$IBMClassLoader.<init>(ProjectClassLoader.java:70)
	at org.drools.core.common.ProjectClassLoader$IBMClassLoader.<init>(ProjectClassLoader.java:64)
	at org.drools.core.common.ProjectClassLoader.internalCreate(ProjectClassLoader.java:87)
	at org.drools.core.common.ProjectClassLoader.createProjectClassLoader(ProjectClassLoader.java:124)
	at org.drools.core.common.ProjectClassLoader.createProjectClassLoader(ProjectClassLoader.java:117)
	at org.drools.core.common.ProjectClassLoader.getClassLoader(ProjectClassLoader.java:93)
	at org.drools.core.io.impl.ClassPathResource.<init>(ClassPathResource.java:122)
	at org.drools.core.io.impl.ClassPathResource.<init>(ClassPathResource.java:106)
	at org.drools.core.io.impl.ResourceFactoryServiceImpl.newClassPathResource(ResourceFactoryServiceImpl.java:76)
	at org.optaplanner.core.config.score.director.ScoreDirectorFactoryConfig.buildDroolsScoreDirectorFactory(ScoreDirectorFactoryConfig.java:386)
	at org.optaplanner.core.config.score.director.ScoreDirectorFactoryConfig.buildScoreDirectorFactory(ScoreDirectorFactoryConfig.java:275)
	at org.optaplanner.core.config.score.director.ScoreDirectorFactoryConfig.buildScoreDirectorFactory(ScoreDirectorFactoryConfig.java:207)
	at org.optaplanner.core.config.solver.SolverConfig.buildSolver(SolverConfig.java:194)
	at org.optaplanner.core.impl.solver.AbstractSolverFactory.buildSolver(AbstractSolverFactory.java:50)
	at org.optaplanner.core.api.solver.SolverFactoryTest.testdataSolverConfigWithClassLoader(SolverFactoryTest.java:55)