com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 542 milliseconds ago.  The last packet sent successfully to the server was 148 milliseconds ago.
        at liquibase.lockservice.LockService.releaseLock(LockService.java:152)
        at liquibase.Liquibase.update(Liquibase.java:117)
        at org.liquibase.maven.plugins.LiquibaseUpdate.doUpdate(LiquibaseUpdate.java:31)
        at org.liquibase.maven.plugins.AbstractLiquibaseUpdateMojo.performLiquibaseTask(AbstractLiquibaseUpdateMojo.java:24)
        at org.liquibase.maven.plugins.AbstractLiquibaseMojo.execute(AbstractLiquibaseMojo.java:305)
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
        at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
        at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
        at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: liquibase.exception.UnexpectedLiquibaseException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 542 milliseconds ago.  The last packet sent successfully to the server was 148 milliseconds ago.
        at liquibase.snapshot.jvm.JdbcDatabaseSnapshotGenerator.hasTable(JdbcDatabaseSnapshotGenerator.java:63)
        at liquibase.snapshot.jvm.JdbcDatabaseSnapshotGenerator.hasDatabaseChangeLogLockTable(JdbcDatabaseSnapshotGenerator.java:49)
        at liquibase.database.AbstractDatabase.hasDatabaseChangeLogLockTable(AbstractDatabase.java:549)
        at liquibase.lockservice.LockService.releaseLock(LockService.java:135)
        ... 26 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 542 milliseconds ago.  The last packet sent successfully to the server was 148 milliseconds ago.
        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:411)
        at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1129)
        at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3988)
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2598)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2778)
        at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2819)
        at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2768)
        at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1651)
        at com.mysql.jdbc.DatabaseMetaData$9.forEach(DatabaseMetaData.java:5271)
        at com.mysql.jdbc.DatabaseMetaData$9.forEach(DatabaseMetaData.java:5261)
        at com.mysql.jdbc.IterateBlock.doForAll(IterateBlock.java:51)
        at com.mysql.jdbc.DatabaseMetaData.getTables(DatabaseMetaData.java:5260)
        at liquibase.snapshot.jvm.JdbcDatabaseSnapshotGenerator.hasTable(JdbcDatabaseSnapshotGenerator.java:54)
        ... 29 more
Caused by: java.net.SocketException: Broken pipe (Write failed)
        at java.net.SocketOutputStream.socketWrite0(Native Method)
        at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:111)
        at java.net.SocketOutputStream.write(SocketOutputStream.java:155)
        at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
        at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
        at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3969)
        ... 39 more