I have to refamiliarize myself with 0.7.0 as it’s a bit of an older version, 
but the code we should be looking at is [1] and [2].

[1] 
https://github.com/apache/nifi/blob/rel/nifi-0.7.0/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-jetty/src/main/java/org/apache/nifi/web/server/JettyServer.java#L557
 
<https://github.com/apache/nifi/blob/rel/nifi-0.7.0/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-jetty/src/main/java/org/apache/nifi/web/server/JettyServer.java#L557>
[2] 
https://github.com/apache/nifi/blob/rel/nifi-0.7.0/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-jetty/src/main/java/org/apache/nifi/web/server/JettyServer.java#L797
 
<https://github.com/apache/nifi/blob/rel/nifi-0.7.0/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-jetty/src/main/java/org/apache/nifi/web/server/JettyServer.java#L797>


Andy LoPresto
[email protected]
[email protected]
PGP Fingerprint: 70EC B3E5 98A6 5A3F D3C4  BACE 3C6E F65B 2F7D EF69

> On Jul 26, 2017, at 11:15 AM, Dan Morris <[email protected]> wrote:
> 
> We tried:
> 
> nifi.web.https.host=localhost
> 
> nifi.web.https.host=
> 
> nifi.web.https.host=0.0.0.0
> 
> no impact, UI still would not bind to HTTPS port.
> 
> We decided to leave it at 0.0.0.0 as that’s the recommended configuration in 
> the Administrators guide for binding to all interfaces.
> 
> Thanks,
> Dan Morris
> Mobile: 443-992-2848
> GV: 410-861-0206
> 
> 
> From: Andy LoPresto <[email protected]>
> Reply-To: <[email protected]>
> Date: Wednesday, July 26, 2017 at 1:56 PM
> To: <[email protected]>
> Subject: Re: NiFi UI Not Starting
> 
> Dan,
> 
> I am wondering if it is an issue with binding to 0.0.0.0 — are there any 
> differences between the test and production server non-NiFi configurations 
> that would prevent this? Can you try setting nifi.web.https.host=localhost 
> instead?
> 
> 
> Andy LoPresto
> [email protected] <mailto:[email protected]>
> [email protected] <mailto:[email protected]>
> PGP Fingerprint: 70EC B3E5 98A6 5A3F D3C4  BACE 3C6E F65B 2F7D EF69
> 
>> On Jul 26, 2017, at 10:44 AM, Dan Morris <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> Hi Joe,
>> 
>> I’ve attached relevant files… tried to redact sensitive info… hope I didn’t 
>> cut too much from the logs…
>> 
>> Thanks,
>> Dan
>> 
>> 
>> 
>> On 7/26/17, 9:30 AM, "Joe Witt" <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>>    Dan - are you able to share the nifi-app and nifi-bootstrap logs?
>> 
>>    Thanks
>> 
>>    On Wed, Jul 26, 2017 at 9:21 AM, Dan Morris <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>>> Hello,
>>> 
>>> 
>>> 
>>> I’m having an issue getting NiFi to start correctly. Here’s my situation:
>>> 
>>> I’m currently running v0.7.0.
>>> I have a production server and a test server, with identical configurations
>>> (OS, Java, Java security config, nifi versions, nifi configs,
>>> keystores/truststores, etc).
>>> When I run nifi via normal HTTP (e.g. no security) in both Prod/Test they
>>> both start & load the UI as expected.
>>> When I run nifi via HTTPs (e.g. security settings) the Test server starts
>>> and loads UI as expected.
>>> However, on the Prod system, I receive the following error and java does not
>>> bind to 8443:
>>> 
>>> 
>>> 
>>> 2017-07-25 16:30:51,346 WARN [main] org.apache.nifi.web.server.JettyServer
>>> NiFi has started, but the UI is not available on any hosts. Please verify
>>> the host properties.
>>> 
>>> 
>>> 
>>> I reviewed the source code and it looks like this error is logged when the
>>> “URLs” is empty.
>>> Here is what I *think* are the relevant properties from my nifi config, when
>>> trying to start up using TLS (running on both Prod & Test), again, Test
>>> starts fine, Prod throws the error above.
>>> 
>>> 
>>> 
>>> # Enable TLS
>>> 
>>> nifi.web.http.host=
>>> 
>>> nifi.web.https.host=0.0.0.0
>>> 
>>> nifi.web.http.port=
>>> 
>>> nifi.web.https.port=8443
>>> 
>>> nifi.security.keystore=<path_to_keystore>
>>> 
>>> nifi.security.keystoreType=JKS
>>> 
>>> nifi.security.keystorePasswd=<keystore_password>
>>> 
>>> nifi.security.keyPasswd=<key_password>
>>> 
>>> nifi.security.truststore=<path_to_trust_store>
>>> 
>>> nifi.security.truststoreType=JKS
>>> 
>>> nifi.security.truststorePasswd=<trust_store_password>
>>> 
>>> nifi.security.needClientAuth=true
>>> 
>>> 
>>> 
>>> Again, I’ve manually validated the correct paths, correct passwords to JKS
>>> files., etc.
>>> I’ve verified that there are no other processes binding to 8443 possibly
>>> blocking nifi from the port.
>>> I’ve tried changing the port number (e.g. to 8445), no effect
>>> I’ve turned off IPTables.
>>> Generally, I run nifi as a “nifi” user, however, I’ve also tried running it
>>> as root to see if that had an effect of allowing the UI on Prod to start…no
>>> impact.
>>> I’ve tried also starting up nifi with a blank/default flow file, no effect.
>>> 
>>> 
>>> 
>>> Any thoughts/suggestions on what I can do next, short of uninstalling nifi
>>> and reinstalling?
>>> 
>>> 
>>> 
>>> Thanks,
>>> 
>>> Dan
>>> 
>>> 
>> 
>> 
>> <bootstrap.conf><nifi-app.log><nifi-bootstrap.log><nifi.properties>
> 
> 

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