The log file seemed pretty easy to read once I induced the error again.
2016-03-02 11:05:14,732 INFO [main] o.a.n.c.repository.FileSystemRepository
Maximum Threshold for Container default set to 259517359063 bytes; if volume
exceeds this size, archived data will be deleted until it no longer exceeds
this size
2016-03-02 11:05:14,735 INFO [main] o.a.n.c.repository.FileSystemRepository
Initializing FileSystemRepository with 'Always Sync' set to false
2016-03-02 11:05:14,958 ERROR [main] org.apache.nifi.NiFi Failure to launch
NiFi due to java.util.ServiceConfigurationError:
org.apache.nifi.processor.Processor: Provider
scc.processors.myGetMongo.MyProcessor not found
java.util.ServiceConfigurationError: org.apache.nifi.processor.Processor:
Provider scc.processors.myGetMongo.MyProcessor not found
at java.util.ServiceLoader.fail(ServiceLoader.java:239) ~[na:1.8.0_72]
at java.util.ServiceLoader.access$300(ServiceLoader.java:185)
~[na:1.8.0_72]
at
java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:372)
~[na:1.8.0_72]
at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:404)
~[na:1.8.0_72]
at java.util.ServiceLoader$1.next(ServiceLoader.java:480) ~[na:1.8.0_72]
at
org.apache.nifi.nar.ExtensionManager.loadExtensions(ExtensionManager.java:107)
~[nifi-nar-utils-0.6.0-SNAPSHOT.jar:0.6.0-SNAPSHOT]
at
org.apache.nifi.nar.ExtensionManager.discoverExtensions(ExtensionManager.java:88)
~[nifi-nar-utils-0.6.0-SNAPSHOT.jar:0.6.0-SNAPSHOT]
at org.apache.nifi.NiFi.<init>(NiFi.java:120)
~[nifi-runtime-0.6.0-SNAPSHOT.jar:0.6.0-SNAPSHOT]
at org.apache.nifi.NiFi.main(NiFi.java:227)
~[nifi-runtime-0.6.0-SNAPSHOT.jar:0.6.0-SNAPSHOT]
2016-03-02 11:05:14,958 INFO [Thread-1] org.apache.nifi.NiFi Initiating
shutdown of Jetty web server...
2016-03-02 11:05:14,959 INFO [Thread-1] org.apache.nifi.NiFi Jetty web
server shutdown completed (nicely or otherwise).
Looks as though it sees the .nar file, but doesn't know where a
/MyProcessor/ is-- this might come from my initializing this processor's
folder with *mvn archetype:generate* and modified the pom files for
dependencies. But the processors themselves I copied the
/Users/USER/Documents/nifi/nifi-nar-bundles/nifi-mongodb-bundle and modified
them from there.
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