Dear all,
I am trying to setup a local blynk server. Although the installation went fine (From the Ubuntu terminal I got the message “Blynk Server successfully started”), I can not connect to it with the App (I selected the correct IO and port). Furthermore, I can not connect to the Administration Panel UI.
I am working with Ubuntu 16.04 LTS. I unfortunately am no coding expert.
The LOG file says:
2016-10-16 08:45:04.578 INFO - Using data dir ‘/home/mariarita/Documenti/BlynkData’
2016-10-16 08:45:04.645 INFO - Region : local
2016-10-16 08:45:05.202 INFO - Initializing gmail smtp mail transport. Username : example@gmail.com. SMTP host : smtp.gmail.com:587
2016-10-16 08:45:05.853 WARN - Found server certificates but no client certificate for ‘/home/mariarita/Documenti’ path. Using one way ssl.
2016-10-16 08:45:06.124 INFO - Hardware plain tcp/ip server listening at 8442 port.
2016-10-16 08:45:06.125 INFO - Hardware SSL server listening at 8441 port.
2016-10-16 08:45:06.126 INFO - Application server listening at 8443 port.
2016-10-16 08:45:06.126 INFO - HTTP API server listening at 8080 port.
2016-10-16 08:45:06.127 INFO - HTTPS API server listening at 9443 port.
2016-10-16 08:45:06.127 INFO - HTTPS Admin UI server listening at 7443 port.
2016-10-16 08:45:06.127 INFO - Web Sockets server listening at 8082 port.
2016-10-16 08:45:06.128 INFO - Web SSL Sockets server listening at 8081 port.
2016-10-16 08:45:06.129 INFO - Mqtt hardware server listening at 8440 port.
Ant this is my Server.Properties file:
#hardware mqtt port
hardware.mqtt.port=8440
#hardware ssl port
hardware.ssl.port=8441
#hardware plain tcp/ip port
hardware.default.port=8442
#http port
http.port=8080
#web sockets ssl port
ssl.websocket.port=8081
#web sockets plain tcp port
tcp.websocket.port=8082
#https port
https.port=9443
#application ssl port
app.ssl.port=8443
#by default server uses embedded in jar cert to simplify local server installation.
#WARNNING DO NOT USE THIS CERTIFICATES ON PRODUCTION OR IN WHERE ENVIRNOMENTS REAL SECURITY REQUIRED.
#provide either full path to files either use ‘.’ for specifying current directory. For instance “./myfile.crt”
server.ssl.cert=./server.crt
server.ssl.key=./server.pem
server.ssl.key.pass=Marilleva1400
client.ssl.cert=
client.ssl.key=
#application ssl and https/websockets certs may be different
#https.cert=
#https.key=
#https.key.pass=
#by default System.getProperty(“java.io.tmpdir”)/blynk used
data.folder=
#folder for logs.
logs.folder=./logs
#log debug level. trace|debug|info|error. Defines how precise logging will be.
log.level=info
#defines maximum allowed number of user dashboards. Needed to limit possible number of tokens.
user.dashboard.max.limit=10
#defines maximum allowed widget size in KBs as json string.
user.widget.max.size.limit=10
#user is limited with 100 messages per second.
user.message.quota.limit=100
#in case of consistent quota limit exceed during long term, sending warning response back to exceeding channel
#for performance reason sending only 1 message within interval. In millis
user.message.quota.limit.exceeded.warning.period=60000
#maximum allowed number of notification queue. Queue responsible for processing email, pushes, twits sending.
#Because of performance issue - those queue is processed in separate thread, this is required due
#to blocking nature of all above operations. Usually limit shouldn’t be reached.
notifications.queue.limit=10000
#Number of threads for performing blocking operations - push, twits, emails, db queries.
#Recommended to hold this value low unless you have to perform a lot of blocking operations.
blocking.processor.thread.pool.limit=5
#this setting defines how often we can send mail/tweet/push or any other notification. Specified in seconds
notifications.frequency.user.quota.limit=15
#this setting defines how often we can send webhooks. Specified in miliseconds
webhooks.frequency.user.quota.limit=1000
#this setting defines how big could be response for webhook GET request. Specified in kbs
webhooks.response.size.limit=64
#maximum size of user profile in kb’s
user.profile.max.size=64
#number of strings to store in terminal widget
terminal.strings.pool.size=25
#number of strings to store in lcd widget
lcd.strings.pool.size=6
#maximum number of rows allowed
table.rows.pool.size=100
#period in millis for saving all user DB to disk.
profile.save.worker.period=60000
#period in millis for saving stats to disk.
stats.print.worker.period=60000
#specifies maximum period of time when application socket could be idle. After which
#socket will be closed due to non activity. In seconds. Default value 600 if not provided.
#leave it empty for infinity timeout
app.socket.idle.timeout=600
#specifies maximum period of time when hardware socket could be idle. After which
#socket will be closed due to non activity. In seconds. Default value 15 if not provided.
#leave it empty for infinity timeout
hard.socket.idle.timeout=15
#Enables native socket transport for Linux using JNI. Should be turned on only if you 100% sure.
#may not work on some environments. Used to increase server performance. Performance boost is ~20-40%.
enable.native.epoll.transport=false
#Enabled native openSSL support for SSL handlers. Should be turned on only if you 100% sure.
#may not work on some environments. Used to increase server performance. Performance boost is ~16%.
#For more details see - http://netty.io/wiki/forked-tomcat-native.html
enable.native.openssl=false
#mostly required for local servers setup in case user want to log raw data in CSV format
#from his hardware
enable.raw.data.store=true
#size of async logger ring buffer. should be increased for loads >2-3k req/sec
async.logger.ring.buffer.size=2048
#ADMINISTRATION SECTION
admin.rootPath=/admin
#administration https port
administration.https.port=7443
#host for reset pass redirect. by default current server IP is taken. could be replaced with more friendly hostname.
#it is recommended to override this property with your server IP to avoid possible problems of host resolving
#reset-pass.http.host=
#comma separated list of administrator IPs. allow access to admin UI only for those IPs.
#you may set it for 0.0.0.0/0 to allow access for all.
#you may use CIDR notation. For instance, 192.168.0.53/24
allowed.administrator.ips=0.0.0.0/0
#comma separated list of users allowed to create accounts. leave it empty if no restriction required.
allowed.users.list=
I hope you can help me… I am looking forward to working with Blynk 
Best Regards
Alessandro