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    MySQL doesn't support some types of characters (such as emojis) with the utf8 encoding. You need to be on MySQL 5.5+ and force utf8mb4 (everywhere, client and server). You can do this sending the query "SET NAMES utf8mb4". Check this https://goo.gl/3E2qzg

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java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: NO)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3597)	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3529)	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:935)	at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:4101)	at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1300)	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2337)	at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2370)	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2154)	at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:792)	at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:47)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:532)	at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:381)	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)	at java.sql.DriverManager.getConnection(DriverManager.java:620)	at java.sql.DriverManager.getConnection(DriverManager.java:200)	at org.openlca.core.database.ConnectionData.createServerConnection(ConnectionData.java:85)	at org.openlca.core.database.DescriptorFetch.doFetch(DescriptorFetch.java:28)	at org.openlca.core.database.MySQLServer.getDatabaseDescriptors(MySQLServer.java:221)	at org.openlca.core.application.db.ConnectionJob.run(ConnectionJob.java:36)	at org.openlca.core.application.WrappedUIJob$1.run(WrappedUIJob.java:26)	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)	at org.openlca.core.application.WrappedUIJob.runInUIThread(WrappedUIJob.java:22)	at org.eclipse.ui.progress.UIJob$1.run(UIJob.java:95)	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3529)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3182)	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2701)	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2665)	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499)	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668)	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)	at org.openlca.core.application.plugin.Application.start(Application.java:36)	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:353)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:616)	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)	at org.eclipse.equinox.launcher.Main.run(Main.java:1438)	at org.eclipse.equinox.launcher.Main.main(Main.java:1414)