Github user ijokarumawak commented on the issue:
https://github.com/apache/nifi/pull/688
@markap14 Thanks for the updates!
I tested the latest PR, set `nifi.cluster.node.address` as blank in
nifi.properties, confirmed that e node NiFi cluster can start up successfully.
However, for `nifi.cluster.node.protocol.port`, there's another usage of
that configuration, and I got following error message with blank property value:
```
Caused by:
org.springframework.beans.factory.UnsatisfiedDependencyException: Error
creating bean with name 'protocolListener' defined in class path resource
[nifi-cluster-protocol-context.xml]: Unsatisfied dependency expressed through
constructor argument with index 1 of type [int]: Could not convert constructor
argument value of type [null] to required type [int]: Failed to convert value
of type [null] to required type [int]; nested exception is
java.lang.IllegalArgumentException: Cannot convert value of type [null] to
required type [int]: PropertyEditor
[org.springframework.beans.propertyeditors.CustomNumberEditor] returned
inappropriate value of type [null]
at
org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:724)
~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at
org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:185)
~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1143)
~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1046)
~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510)
~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at
org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at
org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:351)
~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
... 52 common frames omitted
```
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