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Failure to launch NiFi due to java.lang.RuntimeException: Requires a system property called 'nifi.properties.file.path' and this is not set or has no value
java.lang.RuntimeException: Requires a system property called 'nifi.properties.file.path' and this is not set or has no value
at org.apache.nifi.util.NiFiProperties.getInstance(NiFiProperties.java:255)
at org.apache.nifi.NiFi.main(NiFi.java:227)

15:31:47,943 INFO main nifi.NiFi:225 - Launching NiFi...
15:31:47,980 INFO main nifi.NiFi:88 - NiFi started without Bootstrap Port information provided; will not listen for requests from Bootstrap
15:33:00,716 ERROR main nifi.NiFi:229 - Failure to launch NiFi due to java.util.ServiceConfigurationError: org.apache.nifi.authentication.LoginIdentityProvider: Provider org.apache.nifi.kerberos.KerberosProvider could not be instantiated
java.util.ServiceConfigurationError: org.apache.nifi.authentication.LoginIdentityProvider: Provider org.apache.nifi.kerberos.KerberosProvider could not be instantiated
at java.util.ServiceLoader.fail(ServiceLoader.java:232)
at java.util.ServiceLoader.access$100(ServiceLoader.java:185)
at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:384)
at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:404)
at java.util.ServiceLoader$1.next(ServiceLoader.java:480)
at org.apache.nifi.nar.ExtensionManager.loadExtensions(ExtensionManager.java:107)
at org.apache.nifi.nar.ExtensionManager.discoverExtensions(ExtensionManager.java:88)
at org.apache.nifi.NiFi.(NiFi.java:120)
at org.apache.nifi.NiFi.main(NiFi.java:227)
Caused by: java.lang.NoClassDefFoundError: org/apache/nifi/authentication/exception/ProviderCreationException
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671)
at java.lang.Class.getConstructor0(Class.java:3075)
at java.lang.Class.newInstance(Class.java:412)
at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:380)
... 6 more
Caused by: java.lang.ClassNotFoundException: org.apache.nifi.authentication.exception.ProviderCreationException
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 11 more
15:33:00,725 INFO Thread-0 nifi.NiFi:152 - Initiating shutdown of Jetty web server...
15:33:00,725 INFO Thread-0 nifi.NiFi:159 - Jetty web server shutdown completed (nicely or otherwise).

I cant go ahead beyond this

Followed the instructions in the README.md file. Nifi won't start as there's no properties file found. NifiProperties.java expects the system property, PROPERTIES_FILE_PATH, to be set on startup. So two problems here - 1. System property is not set, but README.md could be updated to include this as a necessary setting in the Eclipse Run configuration, and 2. nifi.properties file needs to be generated as part of the Eclipse project files.
One other aside, there isn't a log4j properties file so you don't see the error message thrown.