Re: [Neo4j] Re: Neo4J Connectivity Issue

['Michael Hunger' via Neo4j]

Best join our new Community Site & Forum  for
questions.
The mailing list is not really active anymore.

I think you'll need to install a certificate for your server, see here:
https://medium.com/neo4j/getting-certificates-for-neo4j-with-letsencrypt-a8d05c415bbd


On Wed, Sep 4, 2019 at 4:10 PM ARUMUGAM PILLAI 
wrote:

> Team  - ANybody can help on this?
>
> On Monday, August 26, 2019 at 7:15:56 PM UTC-4, ARUMUGAM PILLAI wrote:
>>
>> Team,
>> Recently i have tried to configure the neo4j Graph DB on the AWS
>> EC2 instance and accessing using the UI.  But when we connecting am getting
>> the below error.
>>
>> *Hostname* : ne04j.dev.eis.nylcloud.com
>> *ELB *:
>> http://internal-neo4j-dev-i-elb-650335371.us-east-1.elb.amazonaws.com/browser/
>>
>> *Images *- Attached
>>
>> *Error*:  ServiceUnavailable: WebSocket connection failure. Due to
>> security constraints in your web browser, the reason for the failure is not
>> available to this Neo4j Driver. Please use your browsers development
>> console to determine the root cause of the failure. Common reasons include
>> the database being unavailable, using the wrong connection URL or temporary
>> network problems. If you have enabled encryption, ensure your browser is
>> configured to trust the certificate Neo4j is configured to use. WebSocket
>> `readyState` is: 3
>>
>> *Configuration Details :*
>>
>>
>> #*
>> # Neo4j configuration
>> #
>> # For more details and a complete list of settings, please see
>> #
>> https://neo4j.com/docs/operations-manual/current/reference/configuration-settings/
>> #*
>>
>> # The name of the database to mount
>> #dbms.active_database=graph.db
>>
>> # Paths of directories in the installation.
>> dbms.directories.data=/var/lib/neo4j/data
>> dbms.directories.plugins=/var/lib/neo4j/plugins
>> dbms.directories.certificates=/var/lib/neo4j/certificates
>> dbms.directories.logs=/var/log/neo4j
>> dbms.directories.lib=/usr/share/neo4j/lib
>> dbms.directories.run=/var/run/neo4j
>>
>> # This setting constrains all `LOAD CSV` import files to be under the
>> `import` directory. Remove or comment it out to
>> # allow files to be loaded from anywhere in the filesystem; this
>> introduces possible security problems. See the
>> # `LOAD CSV` section of the manual for details.
>> dbms.directories.import=/var/lib/neo4j/import
>>
>> # Whether requests to Neo4j are authenticated.
>> # To disable authentication, uncomment this line
>> #dbms.security.auth_enabled=false
>>
>> # Enable this to be able to upgrade a store from an older version.
>> #dbms.allow_upgrade=true
>>
>> # Java Heap Size: by default the Java heap size is dynamically
>> # calculated based on available system resources.
>> # Uncomment these lines to set specific initial and maximum
>> # heap size.
>> #dbms.memory.heap.initial_size=512m
>> #dbms.memory.heap.max_size=512m
>>
>> # The amount of memory to use for mapping the store files, in bytes (or
>> # kilobytes with the 'k' suffix, megabytes with 'm' and gigabytes with
>> 'g').
>> # If Neo4j is running on a dedicated server, then it is generally
>> recommended
>> # to leave about 2-4 gigabytes for the operating system, give the JVM
>> enough
>> # heap to hold all your transaction state and query context, and then
>> leave the
>> # rest for the page cache.
>> # The default page cache memory assumes the machine is dedicated to
>> running
>> # Neo4j, and is heuristically set to 50% of RAM minus the max Java heap
>> size.
>> #dbms.memory.pagecache.size=10g
>>
>> #*
>>
>> # Network connector configuration
>> #*
>>
>> # With default configuration Neo4j only accepts local connections.
>> # To accept non-local connections, uncomment this line:
>> dbms.connectors.default_listen_address=ne04j.dev.eis.nylcloud.com
>>
>> # You can also choose a specific network interface, and configure a
>> non-default
>> # port for each connector, by setting their individual listen_address.
>>
>> # The address at which this server can be reached by its clients. This
>> may be the server's IP address or DNS name, or
>> # it may be the address of a reverse proxy which sits in front of the
>> server. This setting may be overridden for
>> # individual connectors below.
>> dbms.connectors.default_advertised_address=ne04j.dev.eis.nylcloud.com
>>
>> # You can also choose a specific advertised hostname or IP address, and
>> # configure an advertised port for each connector, by setting their
>> # individual advertised_address.
>>
>> # Bolt connector
>> dbms.connector.bolt.enabled=true
>> #dbms.connector.bolt.tls_level=OPTIONAL
>> dbms.connector.bolt.listen_address=0.0.0.0:7687
>>
>> # HTTP Connector. There can be zero or one HTTP connectors.
>> dbms.connector.http.enabled=true
>> 

[Neo4j] Re: Neo4J Connectivity Issue

[ARUMUGAM PILLAI]

Team  - ANybody can help on this?

On Monday, August 26, 2019 at 7:15:56 PM UTC-4, ARUMUGAM PILLAI wrote:
>
> Team,
> Recently i have tried to configure the neo4j Graph DB on the AWS 
> EC2 instance and accessing using the UI.  But when we connecting am getting 
> the below error.
>
> *Hostname* : ne04j.dev.eis.nylcloud.com
> *ELB *: 
> http://internal-neo4j-dev-i-elb-650335371.us-east-1.elb.amazonaws.com/browser/
>
> *Images *- Attached
>
> *Error*:  ServiceUnavailable: WebSocket connection failure. Due to 
> security constraints in your web browser, the reason for the failure is not 
> available to this Neo4j Driver. Please use your browsers development 
> console to determine the root cause of the failure. Common reasons include 
> the database being unavailable, using the wrong connection URL or temporary 
> network problems. If you have enabled encryption, ensure your browser is 
> configured to trust the certificate Neo4j is configured to use. WebSocket 
> `readyState` is: 3
>
> *Configuration Details :*
>
>
> #*
> # Neo4j configuration
> #
> # For more details and a complete list of settings, please see
> # 
> https://neo4j.com/docs/operations-manual/current/reference/configuration-settings/
> #*
>
> # The name of the database to mount
> #dbms.active_database=graph.db
>
> # Paths of directories in the installation.
> dbms.directories.data=/var/lib/neo4j/data
> dbms.directories.plugins=/var/lib/neo4j/plugins
> dbms.directories.certificates=/var/lib/neo4j/certificates
> dbms.directories.logs=/var/log/neo4j
> dbms.directories.lib=/usr/share/neo4j/lib
> dbms.directories.run=/var/run/neo4j
>
> # This setting constrains all `LOAD CSV` import files to be under the 
> `import` directory. Remove or comment it out to
> # allow files to be loaded from anywhere in the filesystem; this 
> introduces possible security problems. See the
> # `LOAD CSV` section of the manual for details.
> dbms.directories.import=/var/lib/neo4j/import
>
> # Whether requests to Neo4j are authenticated.
> # To disable authentication, uncomment this line
> #dbms.security.auth_enabled=false
>
> # Enable this to be able to upgrade a store from an older version.
> #dbms.allow_upgrade=true
>
> # Java Heap Size: by default the Java heap size is dynamically
> # calculated based on available system resources.
> # Uncomment these lines to set specific initial and maximum
> # heap size.
> #dbms.memory.heap.initial_size=512m
> #dbms.memory.heap.max_size=512m
>
> # The amount of memory to use for mapping the store files, in bytes (or
> # kilobytes with the 'k' suffix, megabytes with 'm' and gigabytes with 
> 'g').
> # If Neo4j is running on a dedicated server, then it is generally 
> recommended
> # to leave about 2-4 gigabytes for the operating system, give the JVM 
> enough
> # heap to hold all your transaction state and query context, and then 
> leave the
> # rest for the page cache.
> # The default page cache memory assumes the machine is dedicated to running
> # Neo4j, and is heuristically set to 50% of RAM minus the max Java heap 
> size.
> #dbms.memory.pagecache.size=10g
>
> #*
>
> # Network connector configuration
> #*
>
> # With default configuration Neo4j only accepts local connections.
> # To accept non-local connections, uncomment this line:
> dbms.connectors.default_listen_address=ne04j.dev.eis.nylcloud.com
>
> # You can also choose a specific network interface, and configure a 
> non-default
> # port for each connector, by setting their individual listen_address.
>
> # The address at which this server can be reached by its clients. This may 
> be the server's IP address or DNS name, or
> # it may be the address of a reverse proxy which sits in front of the 
> server. This setting may be overridden for
> # individual connectors below.
> dbms.connectors.default_advertised_address=ne04j.dev.eis.nylcloud.com
>
> # You can also choose a specific advertised hostname or IP address, and
> # configure an advertised port for each connector, by setting their
> # individual advertised_address.
>
> # Bolt connector
> dbms.connector.bolt.enabled=true
> #dbms.connector.bolt.tls_level=OPTIONAL
> dbms.connector.bolt.listen_address=0.0.0.0:7687
>
> # HTTP Connector. There can be zero or one HTTP connectors.
> dbms.connector.http.enabled=true
> dbms.connector.http.listen_address=:7474
>
> # HTTPS Connector. There can be zero or one HTTPS connectors.
> #dbms.connector.https.enabled=true
> #dbms.connector.https.listen_address=:7473
>
> # Number of Neo4j worker threads.
> #dbms.threads.worker_count=
>
> #*
> # SSL system configuration
> #*
>
> # Names of the SSL