I am having issues enabling SSL configuration.
I walked through the guide provided on docs and searched through the other peoples posts but still cannot make it work. Therefore I kindly ask for your help 
I am using neo4j 4.1.0 Enterprise on macOS Catalina ver. 10.15.5
When starting server I receive following error:
2020-07-06 16:54:16.837+0000 INFO Starting...
2020-07-06 16:54:24.804+0000 INFO ======== Neo4j 4.1.0 ========
2020-07-06 16:54:25.162+0000 ERROR Failed to start Neo4j on dbms.connector.http.listen_address, a socket address. If missing port or hostname it is acquired from dbms.default_listen_address. Error starting Neo4j database server at /Users/xxx/Library/Application Support/Neo4j Desktop/Application/neo4jDatabases/database-abc65513-dd91-4140-b69c-201fc2ec2aa8/installation-4.1.0/data/databases
java.lang.RuntimeException: Error starting Neo4j database server at /Users/xxx/Library/Application Support/Neo4j Desktop/Application/neo4jDatabases/database-abc65513-dd91-4140-b69c-201fc2ec2aa8/installation-4.1.0/data/databases
at org.neo4j.graphdb.facade.DatabaseManagementServiceFactory.startDatabaseServer(DatabaseManagementServiceFactory.java:198)
at org.neo4j.graphdb.facade.DatabaseManagementServiceFactory.build(DatabaseManagementServiceFactory.java:158)
at com.neo4j.server.enterprise.EnterpriseManagementServiceFactory.createManagementService(EnterpriseManagementServiceFactory.java:38)
at com.neo4j.server.enterprise.EnterpriseBootstrapper.createNeo(EnterpriseBootstrapper.java:20)
at org.neo4j.server.NeoBootstrapper.start(NeoBootstrapper.java:117)
at org.neo4j.server.NeoBootstrapper.start(NeoBootstrapper.java:87)
at com.neo4j.server.enterprise.EnterpriseEntryPoint.main(EnterpriseEntryPoint.java:25)
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.bolt.BoltServer@29dcdd1c' failed to initialize. Please see the attached cause exception "io.netty.internal.tcnative.SSLPrivateKeyMethod".
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.init(LifeSupport.java:424)
at org.neo4j.kernel.lifecycle.LifeSupport.init(LifeSupport.java:65)
at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:101)
at org.neo4j.graphdb.facade.DatabaseManagementServiceFactory.startDatabaseServer(DatabaseManagementServiceFactory.java:189)
... 6 more
Caused by: java.lang.NoClassDefFoundError: io/netty/internal/tcnative/SSLPrivateKeyMethod
at io.netty.handler.ssl.SslContext.newServerContextInternal(SslContext.java:471)
at io.netty.handler.ssl.SslContextBuilder.build(SslContextBuilder.java:571)
at org.neo4j.ssl.SslPolicy.nettyServerContext(SslPolicy.java:82)
at org.neo4j.bolt.BoltServer.createSslContext(BoltServer.java:286)
at org.neo4j.bolt.BoltServer.createExternalProtocolInitializer(BoltServer.java:252)
at org.neo4j.bolt.BoltServer.init(BoltServer.java:154)
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.init(LifeSupport.java:403)
... 9 more
Caused by: java.lang.ClassNotFoundException: io.netty.internal.tcnative.SSLPrivateKeyMethod
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 16 more
2020-07-06 16:54:25.162+0000 INFO Neo4j Server shutdown initiated by request
Server fails to start when line dbms.connector.bolt.tls_level=OPTIONAL is uncommented.
If I am not mistaken it is related to io/netty/internal/tcnative/SSLPrivateKeyMethod
I spent much time trying to figure out what is the problem and I have no clue how to proceed anymore.
I generated self-signed certificate with command:
openssl req \
-newkey rsa:2048 -nodes -keyout private.key \
-x509 -days 365 -out public.crt
certificate folder structure is following
└── default
├── private.key
├── public.crt
├── revoked
└── trusted
plugins are following:
netty-all-4.1.50.Final-sources.jar
netty-all-4.1.50.Final.jar
My configuration neo4j.conf is following:
#*****************************************************************
# Neo4j configuration
#
# For more details and a complete list of settings, please see
# https://neo4j.com/docs/operations-manual/current/reference/configuration-settings/
#*****************************************************************
# 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=import
# Whether requests to Neo4j are authenticated.
# To disable authentication, uncomment this line
dbms.security.auth_enabled=true
#********************************************************************
# Memory Settings
#********************************************************************
# 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=1G
# The amount of memory to use for mapping the store files.
# The default page cache memory assumes the machine is dedicated to running
# Neo4j, and is heuristically set to 50% of RAM minus the Java heap size.
dbms.memory.pagecache.size=512m
# Transaction state location. It is recommended to use ON_HEAP.
dbms.tx_state.memory_allocation=ON_HEAP
#*****************************************************************
# Network connector configuration
#*****************************************************************
# With default configuration Neo4j only accepts local connections.
# To accept non-local connections, uncomment this line:
dbms.default_listen_address=0.0.0.0
# Bolt connector
dbms.connector.bolt.enabled=true
dbms.connector.bolt.tls_level=OPTIONAL
#dbms.connector.bolt.listen_address=:7687
#dbms.connector.bolt.advertised_address=localhost:9000
# 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
#*****************************************************************
# SSL policy configuration
#*****************************************************************
# Bolt SSL configuration
dbms.ssl.policy.bolt.enabled=true
dbms.ssl.policy.bolt.base_directory=certificates/default
dbms.ssl.policy.bolt.private_key=private.key
dbms.ssl.policy.bolt.public_certificate=public.crt
dbms.ssl.policy.bolt.client_auth=NONE
dbms.ssl.policy.bolt.trust_all=true
# Https SSL configuration
dbms.ssl.policy.https.enabled=true
dbms.ssl.policy.https.base_directory=certificates/default
dbms.ssl.policy.https.private_key=private.key
dbms.ssl.policy.https.public_certificate=public.crt
dbms.ssl.policy.https.client_auth=NONE
dbms.ssl.policy.https.trust_all=true
#*****************************************************************
# Miscellaneous configuration
#*****************************************************************
# A comma separated list of procedures and user defined functions that are allowed
# full access to the database through unsupported/insecure internal APIs.
dbms.security.procedures.unrestricted=apoc.*
#********************************************************************
# JVM Parameters
#********************************************************************
# G1GC generally strikes a good balance between throughput and tail
# latency, without too much tuning.
dbms.jvm.additional=-XX:+UseG1GC
# Have common exceptions keep producing stack traces, so they can be
# debugged regardless of how often logs are rotated.
dbms.jvm.additional=-XX:-OmitStackTraceInFastThrow
# Make sure that `initmemory` is not only allocated, but committed to
# the process, before starting the database. This reduces memory
# fragmentation, increasing the effectiveness of transparent huge
# pages. It also reduces the possibility of seeing performance drop
# due to heap-growing GC events, where a decrease in available page
# cache leads to an increase in mean IO response time.
# Try reducing the heap memory, if this flag degrades performance.
dbms.jvm.additional=-XX:+AlwaysPreTouch
# Trust that non-static final fields are really final.
# This allows more optimizations and improves overall performance.
# NOTE: Disable this if you use embedded mode, or have extensions or dependencies that may use reflection or
# serialization to change the value of final fields!
dbms.jvm.additional=-XX:+UnlockExperimentalVMOptions
dbms.jvm.additional=-XX:+TrustFinalNonStaticFields
# Disable explicit garbage collection, which is occasionally invoked by the JDK itself.
dbms.jvm.additional=-XX:+DisableExplicitGC
#Increase maximum number of nested calls that are can be inlined from 9 (default) to 15
dbms.jvm.additional=-XX:MaxInlineLevel=15
# Restrict size of cached JDK buffers to 256 KB
dbms.jvm.additional=-Djdk.nio.maxCachedBufferSize=262144
# More efficient buffer allocation in Netty by allowing direct no cleaner buffers.
dbms.jvm.additional=-Dio.netty.tryReflectionSetAccessible=true
# Expand Diffie Hellman (DH) key size from default 1024 to 2048 for DH-RSA cipher suites used in server TLS handshakes.
# This is to protect the server from any potential passive eavesdropping.
dbms.jvm.additional=-Djdk.tls.ephemeralDHKeySize=2048
# This mitigates a DDoS vector.
dbms.jvm.additional=-Djdk.tls.rejectClientInitiatedRenegotiation=true
# Increase the default flight recorder stack sampling depth from 64 to 256, to avoid truncating frames when profiling.
dbms.jvm.additional=-XX:FlightRecorderOptions=stackdepth=256
# Allow profilers to sample between safepoints. Without this, sampling profilers may produce less accurate results.
dbms.jvm.additional=-XX:+UnlockDiagnosticVMOptions
dbms.jvm.additional=-XX:+DebugNonSafepoints
#********************************************************************
# Wrapper Windows NT/2000/XP Service Properties
#********************************************************************
# WARNING - Do not modify any of these properties when an application
# using this configuration file has been installed as a service.
# Please uninstall the service before modifying this section. The
# service can then be reinstalled.
# Name of the service
dbms.windows_service_name=neo4j
#********************************************************************
# Other Neo4j system properties
#********************************************************************
dbms.netty.ssl.provider=OPENSSL
Does anyone have clue what is the reason for my issues?