Awesome! Glad to see the first evaluation feedback of Kylin 4! Best regards,
Shaofeng Shi 史少锋 Apache Kylin PMC Email: shaofeng...@apache.org Apache Kylin FAQ: https://kylin.apache.org/docs/gettingstarted/faq.html Join Kylin user mail group: user-subscr...@kylin.apache.org Join Kylin dev mail group: dev-subscr...@kylin.apache.org hubert stefani <hubert_stef...@yahoo.fr.invalid> 于2020年9月11日周五 下午9:20写道: > Thanks for your advice. We succeeded in getting The Web UI running. > > We have gathered the different configuration steps in a documentation we > will share soon if you want. > It may help to overcome the specific deployment of Kylin on aws > .Regards,hubert > > Le vendredi 11 septembre 2020 à 10:44:26 UTC, Yaqian Zhang < > yaqian_zh...@126.com> a écrit : > > If you wan’t to create a user and database and grant the roles for kylin > metadata. You can follow the steps below: > > 1、Use root user login mysql: mysql -u root -pPassword > 2、create a user named Kylin and password is kylin: CREATE USER 'kylin'@'%' > IDENTIFIED BY 'kylin’; > 3、create database kylin:create database kylin; > 4、grant roles:GRANT ALL ON kylin.* TO 'kylin'@'%’; > > Then you can use > 'kylin_metadata_test@jdbc,url=jdbc:mysql://master:3306/kylin,username=kylin,password=kylin,maxActive=10,maxIdle=10 > <mysql://master:3306/kylin,username=kylin,password=kylin,maxActive=10,maxIdle=10'>' > <mysql://master:3306/kylin,username=kylin,password=kylin,maxActive=10,maxIdle=10'> > as kylin.metadata.url. > > > 在 2020年9月11日,17:59,Yaqian Zhang <yaqian_zh...@126.com> 写道: > > > > It seems that mysql have some problem, I find some related webpage > provide follow method to resolve this error: > > > > Add below content in /etc/mysql/my.cnf: > > > > wait_timeout=31536000 > > interactive_timeout=31536000 > > > > Then restart mysql. > > > > I’m not sure it works, you can try. > > > >> 在 2020年9月11日,17:37,hubert stefani <hubert_stef...@yahoo.fr.INVALID> 写道: > >> > >> we did so (we found out the jar was actually missing), and then we got > the error below. (additional information : we try to deploy on aws emr > 5.30) > >> > >> com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications > link failure > >> > >> The last packet sent successfully to the server was 0 milliseconds ago. > The driver has not received any packets from the server. > >> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) > >> at > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) > >> at > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > >> at java.lang.reflect.Constructor.newInstance(Constructor.java:423) > >> at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) > >> at > com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1137) > >> at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:356) > >> at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2504) > >> > >> is there a step to create the database, create users and grant roles ? > >> Hubert > >> Le vendredi 11 septembre 2020 à 09:30:27 UTC, Yaqian Zhang < > yaqian_zh...@126.com> a écrit : > >> > >> Hi Hubert: > >> > >> Have you put mysql-connector-java-xxx.jar into $KYLIN_HOME/ext ? > >> > >> You can download the mysql JDBC jar from > https://downloads.mysql.com/archives/c-j/ < > https://downloads.mysql.com/archives/c-j/>. > >> > >>> 在 2020年9月11日,17:17,hubert stefani <hubert_stef...@yahoo.fr.INVALID> > 写道: > >>> > >>> Hi, > >>> we encounter the following error when we start the Web UI. it seems > that mysql-driver is missing. Have we made a misconfiguration ? Is there a > detailed configuration ? > >>> > >>> > >>> Exception in thread "main" java.lang.IllegalArgumentException: Failed > to find metadata store by url: kylin_metadata@jdbc > ,url=jdbc:mysql://localhost:3306/kylin,username=XXXX,password=XXXXXX,maxActive=10,maxIdle=10 > >>> at > org.apache.kylin.common.persistence.ResourceStore.createResourceStore(ResourceStore.java:101) > >>> at > org.apache.kylin.common.persistence.ResourceStore.getStore(ResourceStore.java:113) > >>> at > org.apache.kylin.common.persistence.ResourceTool.copyParallel(ResourceTool.java:153) > >>> at > org.apache.kylin.common.persistence.ResourceTool.main(ResourceTool.java:102) > >>> Caused by: java.lang.reflect.InvocationTargetException > >>> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native > Method) > >>> at > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) > >>> at > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > >>> at java.lang.reflect.Constructor.newInstance(Constructor.java:423) > >>> at > org.apache.kylin.common.persistence.ResourceStore.createResourceStore(ResourceStore.java:94) > >>> ... 3 more > >>> Caused by: java.lang.IllegalArgumentException: > org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class > 'com.mysql.jdbc.Driver' > >>> at > org.apache.kylin.common.persistence.JDBCConnectionManager.<init>(JDBCConnectionManager.java:68) > >>> at > org.apache.kylin.common.persistence.JDBCConnectionManager.getConnectionManager(JDBCConnectionManager.java:48) > >>> > >>> Regards,Hubert > > >