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java.lang.NullPointerException: null at org.springframework.batch.core.repository.dao.MapJobExecutionDao.synchronizeStatus(MapJobExecutionDao.java:158)[spring-batch-core-3.0.2.RELEASE.jar:3.0.2.RELEASE] at org.springframework.batch.core.repository.support.SimpleJobRepository.update(SimpleJobRepository.java:161)[spring-batch-core-3.0.2.RELEASE.jar:3.0.2.RELEASE] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[na:1.7.0_40] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)[na:1.7.0_40] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[na:1.7.0_40] at java.lang.reflect.Method.invoke(Method.java:606)[na:1.7.0_40]