[root@ham ~]#
[root@ham ~]# sudo ambari-server start
Using python  /usr/bin/python
Starting ambari-server
Ambari Server running with administrator privileges.
Organizing resource files at /var/lib/ambari-server/resources...
Ambari database consistency check started...
No errors were found.
ERROR: Exiting with exit code 1.
REASON: Database check failed to complete. Please check /var/log/ambari-server/ambari-server.log and /var/log/ambari-server/ambari-server-check-database.log for more information.
[root@ham ~]# tail /var/log/ambari-server/ambari-server.log
        at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
        at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
        at java.net.Socket.connect(Socket.java:589)
        at java.net.Socket.connect(Socket.java:538)
        at java.net.Socket.<init>(Socket.java:434)
        at java.net.Socket.<init>(Socket.java:244)
        at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:259)
        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:307)
        ... 57 more
[root@ham ~]#
[root@ham ~]# tail /var/log/ambari-server/ambari-server-check-database.log
        ... 57 more

109 errors
        at com.google.inject.internal.Errors.throwCreationExceptionIfErrorsExist(Errors.java:435)
        at com.google.inject.internal.InternalInjectorCreator.injectDynamically(InternalInjectorCreator.java:175)
        at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:109)
        at com.google.inject.Guice.createInjector(Guice.java:95)
        at com.google.inject.Guice.createInjector(Guice.java:72)
        at com.google.inject.Guice.createInjector(Guice.java:62)
        at org.apache.ambari.server.checks.DatabaseConsistencyChecker.main(DatabaseConsistencyChecker.java:102)
[root@ham ~]#
[root@ham ~]#
[root@ham ~]# tail -50 /var/log/ambari-server/ambari-server.log
        at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1031)
        at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
        at com.google.inject.Scopes$1$1.get(Scopes.java:65)
        at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:40)
        at com.google.inject.internal.FactoryProxy.get(FactoryProxy.java:54)
        at com.google.inject.internal.SingleFieldInjector.inject(SingleFieldInjector.java:53)
        at com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:110)
        at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:94)
        at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:254)
        at com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
        at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1031)
        at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
        at com.google.inject.Scopes$1$1.get(Scopes.java:65)
        at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:40)
        at com.google.inject.internal.SingleFieldInjector.inject(SingleFieldInjector.java:53)
        at com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:110)
        at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:94)
        at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:254)
        at com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
        at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1031)
        at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
        at com.google.inject.Scopes$1$1.get(Scopes.java:65)
        at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:40)
        at com.google.inject.internal.SingleFieldInjector.inject(SingleFieldInjector.java:53)
        at com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:110)
        at com.google.inject.internal.MembersInjectorImpl$1.call(MembersInjectorImpl.java:75)
        at com.google.inject.internal.MembersInjectorImpl$1.call(MembersInjectorImpl.java:73)
        at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1024)
        at com.google.inject.internal.MembersInjectorImpl.injectAndNotify(MembersInjectorImpl.java:73)
        at com.google.inject.internal.Initializer$InjectableReference.get(Initializer.java:147)
        at com.google.inject.internal.Initializer.injectAll(Initializer.java:92)
        at com.google.inject.internal.InternalInjectorCreator.injectDynamically(InternalInjectorCreator.java:173)
        at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:109)
        at com.google.inject.Guice.createInjector(Guice.java:95)
        at com.google.inject.Guice.createInjector(Guice.java:72)
        at com.google.inject.Guice.createInjector(Guice.java:62)
        at org.apache.ambari.server.checks.DatabaseConsistencyChecker.main(DatabaseConsistencyChecker.java:102)
Caused by: java.net.NoRouteToHostException: No route to host (Host unreachable)
        at java.net.PlainSocketImpl.socketConnect(Native Method)
        at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
        at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
        at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
        at java.net.Socket.connect(Socket.java:589)
        at java.net.Socket.connect(Socket.java:538)
        at java.net.Socket.<init>(Socket.java:434)
        at java.net.Socket.<init>(Socket.java:244)
        at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:259)
        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:307)
        ... 57 more
[root@ham ~]#
[root@ham ~]#
[root@ham ~]# vi /etc/hosts
[root@ham ~]#
[root@ham ~]# ifconfig | more
enp0s3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.0.103  netmask 255.255.255.0  broadcast 192.168.0.255
        ether 08:00:27:e9:c3:fd  txqueuelen 1000  (Ethernet)
        RX packets 100  bytes 11180 (10.9 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 101  bytes 8691 (8.4 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

enp0s8: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.56.121  netmask 255.255.255.0  broadcast 192.168.56.255
        ether 08:00:27:6b:f2:30  txqueuelen 1000  (Ethernet)
        RX packets 587  bytes 48207 (47.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 988  bytes 98479 (96.1 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        loop  txqueuelen 0  (Local Loopback)
        RX packets 666  bytes 77533 (75.7 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 666  bytes 77533 (75.7 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

[root@ham ~]#
[root@ham ~]#
[root@ham ~]# tail -50 /var/log/ambari-server/ambari-server.log
        at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1031)
        at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
        at com.google.inject.Scopes$1$1.get(Scopes.java:65)
        at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:40)
        at com.google.inject.internal.FactoryProxy.get(FactoryProxy.java:54)
        at com.google.inject.internal.SingleFieldInjector.inject(SingleFieldInjector.java:53)
        at com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:110)
        at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:94)
        at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:254)
        at com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
        at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1031)
        at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
        at com.google.inject.Scopes$1$1.get(Scopes.java:65)
        at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:40)
        at com.google.inject.internal.SingleFieldInjector.inject(SingleFieldInjector.java:53)
        at com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:110)
        at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:94)
        at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:254)
        at com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
        at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1031)
        at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
        at com.google.inject.Scopes$1$1.get(Scopes.java:65)
        at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:40)
        at com.google.inject.internal.SingleFieldInjector.inject(SingleFieldInjector.java:53)
        at com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:110)
        at com.google.inject.internal.MembersInjectorImpl$1.call(MembersInjectorImpl.java:75)
        at com.google.inject.internal.MembersInjectorImpl$1.call(MembersInjectorImpl.java:73)
        at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1024)
        at com.google.inject.internal.MembersInjectorImpl.injectAndNotify(MembersInjectorImpl.java:73)
        at com.google.inject.internal.Initializer$InjectableReference.get(Initializer.java:147)
        at com.google.inject.internal.Initializer.injectAll(Initializer.java:92)
        at com.google.inject.internal.InternalInjectorCreator.injectDynamically(InternalInjectorCreator.java:173)
        at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:109)
        at com.google.inject.Guice.createInjector(Guice.java:95)
        at com.google.inject.Guice.createInjector(Guice.java:72)
        at com.google.inject.Guice.createInjector(Guice.java:62)
        at org.apache.ambari.server.checks.DatabaseConsistencyChecker.main(DatabaseConsistencyChecker.java:102)
Caused by: java.net.NoRouteToHostException: No route to host (Host unreachable)
        at java.net.PlainSocketImpl.socketConnect(Native Method)
        at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
        at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
        at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
        at java.net.Socket.connect(Socket.java:589)
        at java.net.Socket.connect(Socket.java:538)
        at java.net.Socket.<init>(Socket.java:434)
        at java.net.Socket.<init>(Socket.java:244)
        at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:259)
        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:307)
        ... 57 more
[root@ham ~]# hostname -f
ham.hadoop.com
[root@ham ~]#
[root@ham ~]# hostname -i
192.168.56.121
[root@ham ~]#
[root@ham ~]#
[root@ham ~]#
[root@ham ~]# /etc/init.d/iptables stop
-bash: /etc/init.d/iptables: No such file or directory
[root@ham ~]#
[root@ham ~]#
[root@ham ~]#
[root@ham ~]#
[root@ham ~]# vi /etc/hostname
[root@ham ~]#
[root@ham ~]#
[root@ham ~]#  service iptables stop
Redirecting to /bin/systemctl stop  iptables.service
Failed to stop iptables.service: Unit iptables.service not loaded.
[root@ham ~]#
[root@ham ~]# sudo ambari-server start
Using python  /usr/bin/python
Starting ambari-server
Ambari Server running with administrator privileges.
Organizing resource files at /var/lib/ambari-server/resources...
Ambari database consistency check started...