https://community.cloudera.com/t5/Support-Questions/connection-time-out-error-for-ranger-usersync/m-p/239711#M201520 <P>The error is solved by changing security group from aws.</P> Thu, 03 Jan 2019 14:40:58 GMT moreharish987 2019-01-03T14:40:58Z https://community.cloudera.com/t5/Support-Questions/connection-time-out-error-for-ranger-usersync/m-p/239710#M201519 <P>I am facing connection issue for ranger usersync. because of that my users and groups are not able to sync in ranger.</P><P>below is the error log of usersync.log</P><PRE>02 Jan 2019 17:54:38 DEBUG PolicyMgrUserGroupBuilder [UnixUserSyncThread] - ==&gt; PolicyMgrUserGroupBuilder.buildGroupList 02 Jan 2019 17:56:45 ERROR UserGroupSync [UnixUserSyncThread] - Failed to initialize UserGroup source/sink. Will retry after 120000 milliseconds. Error details: com.sun.jersey.api.client.ClientHandlerException: java.net.ConnectException: Connection timed out (Connection timed out) at com.sun.jersey.client.urlconnection.URLConnectionClientHandler.handle(URLConnectionClientHandler.java:151) at com.sun.jersey.api.client.filter.HTTPBasicAuthFilter.handle(HTTPBasicAuthFilter.java:104) at com.sun.jersey.api.client.Client.handle(Client.java:648) at com.sun.jersey.api.client.WebResource.handle(WebResource.java:680) at com.sun.jersey.api.client.WebResource.access$200(WebResource.java:74) at com.sun.jersey.api.client.WebResource$Builder.get(WebResource.java:507) at org.apache.ranger.unixusersync.process.PolicyMgrUserGroupBuilder.buildGroupList(PolicyMgrUserGroupBuilder.java:522) at org.apache.ranger.unixusersync.process.PolicyMgrUserGroupBuilder.buildUserGroupInfo(PolicyMgrUserGroupBuilder.java:201) at org.apache.ranger.unixusersync.process.PolicyMgrUserGroupBuilder.init(PolicyMgrUserGroupBuilder.java:170) at org.apache.ranger.usergroupsync.UserGroupSync.run(UserGroupSync.java:51) at java.lang.Thread.run(Thread.java:745) Caused by: java.net.ConnectException: Connection timed out (Connection timed out) 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 sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:668) at sun.security.ssl.BaseSSLSocketImpl.connect(BaseSSLSocketImpl.java:173) at sun.net.NetworkClient.doConnect(NetworkClient.java:180) at sun.net.www.http.HttpClient.openServer(HttpClient.java:432) at sun.net.www.http.HttpClient.openServer(HttpClient.java:527) at sun.net.www.protocol.https.HttpsClient.&lt;init&gt;(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1138) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1032) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1546) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1474) at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480) at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:338) at com.sun.jersey.client.urlconnection.URLConnectionClientHandler._invoke(URLConnectionClientHandler.java:249) at com.sun.jersey.client.urlconnection.URLConnectionClientHandler.handle(URLConnectionClientHandler.java:149) ... 10 more </PRE> Wed, 02 Jan 2019 21:02:00 GMT https://community.cloudera.com/t5/Support-Questions/connection-time-out-error-for-ranger-usersync/m-p/239710#M201519 moreharish987 2019-01-02T21:02:00Z https://community.cloudera.com/t5/Support-Questions/connection-time-out-error-for-ranger-usersync/m-p/239711#M201520 <P>The error is solved by changing security group from aws.</P> Thu, 03 Jan 2019 14:40:58 GMT https://community.cloudera.com/t5/Support-Questions/connection-time-out-error-for-ranger-usersync/m-p/239711#M201520 moreharish987 2019-01-03T14:40:58Z