Nifi用户添加给u空指针异常

Question

在Nufi UI用户添加页面中，我得到了

 o.a.nifi.web.api.config.ThrowableMapper An unexpected error has occurred: java.lang.NullPointerException. Returning Internal Server Error response.
java.lang.NullPointerException: null
        at org.apache.nifi.web.dao.impl.StandardPolicyBasedAuthorizerDAO.lambda$null$2(StandardPolicyBasedAuthorizerDAO.java:285)
        at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:174)
        at java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1553)
        at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
        at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
        at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
        at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)

Answer 1

您正在运行哪个版本的NiFi？我相信这是在这里解决的：

https://issues.apache.org/jira/browse/NIFI-6020