[che-samples] mongo-db sample cannot connect to mongo database

[vitaliy-guliy]

Describe the bug

It's impossible to start Java-MongoDB sample due to database connection issues.

2021-10-25 15:55:09.659  INFO 182 --- [k-mongodb:27017] org.mongodb.driver.cluster               : Exception in monitor thread while connecting to server java-guestbook-mongodb:27017

com.mongodb.MongoSocketOpenException: Exception opening socket
        at com.mongodb.internal.connection.SocketStream.open(SocketStream.java:67) ~[mongodb-driver-core-3.8.2.jar!/:na]
        at com.mongodb.internal.connection.InternalStreamConnection.open(InternalStreamConnection.java:126) ~[mongodb-driver-core-3.8.2.jar!/:na]
        at com.mongodb.internal.connection.DefaultServerMonitor$ServerMonitorRunnable.run(DefaultServerMonitor.java:117) ~[mongodb-driver-core-3.8.2.jar!/:na]
        at java.lang.Thread.run(Thread.java:748) [na:1.8.0_222]
Caused by: java.net.SocketTimeoutException: connect timed out
        at java.net.PlainSocketImpl.socketConnect(Native Method) ~[na:1.8.0_222]
        at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_222]
        at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_222]
        at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_222]
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_222]
        at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_222]
        at com.mongodb.internal.connection.SocketStreamHelper.initialize(SocketStreamHelper.java:64) ~[mongodb-driver-core-3.8.2.jar!/:na]
        at com.mongodb.internal.connection.SocketStream.open(SocketStream.java:62) ~[mongodb-driver-core-3.8.2.jar!/:na]
        ... 3 common frames omitted

Actual for Devfle v1 and v2

Che version

next (development version)

Steps to reproduce

1. Create a workspace from Java with Spring Boot and MongoDB stack
2. Execute build backend and build frontend commands
3. Launch run backend command, check output

Expected behavior

Working sample

Runtime

minikube

Screenshots

Installation method

chectl/next

Environment

Linux

Eclipse Che Logs

No response

Additional context

No response