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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

Solutions on the web

via JIRA by Andy Brook, 1 year ago
via JIRA by Henrik Nicolaisen, 1 year ago
via JIRA by Andy Brook, 2 years ago
via JIRA by Henrik Nicolaisen, 2 years ago
java.lang.reflect.UndeclaredThrowableException at $Proxy1776.save(Unknown Source) at com.javahollic.jira.emh.service.EnterpriseMessageHandlerImpl.handleMessage(EnterpriseMessageHandlerImpl.java:316) at com.javahollic.jira.emh.service.EnterpriseMessageHandlerProxy.handleMessage(EnterpriseMessageHandlerProxy.java:43) at com.atlassian.jira.service.services.mail.MailFetcherService$1.process(MailFetcherService.java:356) at com.atlassian.jira.service.services.mail.MailFetcherService$MessageProviderImpl.getAndProcessMail(MailFetcherService.java:259) at com.atlassian.jira.service.services.mail.MailFetcherService.runImpl(MailFetcherService.java:344) at com.atlassian.jira.service.services.file.AbstractMessageHandlingService.run(AbstractMessageHandlingService.java:250) at com.atlassian.jira.service.JiraServiceContainerImpl.run(JiraServiceContainerImpl.java:61) at com.atlassian.jira.service.ServiceRunner.execute(ServiceRunner.java:47) at org.quartz.core.JobRunShell.run(JobRunShell.java:195) at com.atlassian.multitenant.quartz.MultiTenantThreadPool$MultiTenantRunnable.run(MultiTenantThreadPool.java:72) at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:520)Caused by: java.sql.SQLException: Incorrect string value: '\xE1\xBB\x97i f...' for column 'EMAIL_SUBJECT' at row 1 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1055) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3558) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3490) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1959) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2109) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2648) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2077) at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2362) at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2280) at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2265) at org.apache.commons.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:105) at org.apache.commons.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:105) at net.java.ao.EntityProxy.save(EntityProxy.java:291) at net.java.ao.EntityProxy.invoke(EntityProxy.java:125) ... 12 more