# Faulted Database

**URL:** <https://forum.inductiveautomation.com/t/faulted-database/14797>\
**Category:** General Discussion\
**Tags:** database\
**Created:** [July 15, 2017, 12:09am UTC](https://forum.inductiveautomation.com/t/faulted-database/14797 "2017-07-15T00:09:54Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![1jeffwill11](https://avatars.discourse-cdn.com/v4/letter/1/b3f665/32.png) [@1jeffwill11](https://forum.inductiveautomation.com/u/1jeffwill11)\
**Post date:** [July 15, 2017, 12:09am UTC](https://forum.inductiveautomation.com/t/faulted-database/14797/1 "2017-07-15T00:09:54Z")

</div>

I am getting a faulted database after installing a security patch earlier this week. This is the error Ignition threw at me.  
How can I go about re-establishing the connection between MySQL server and Ignition?

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.GeneratedConstructorAccessor54.newInstance(Unknown Source)  
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)  
at java.lang.reflect.Constructor.newInstance(Unknown Source)  
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)  
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1117)  
at com.mysql.jdbc.MysqlIO.(MysqlIO.java:355)  
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2461)  
at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2498)  
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2283)  
at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:822)  
at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:47)  
at sun.reflect.GeneratedConstructorAccessor56.newInstance(Unknown Source)  
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)  
at java.lang.reflect.Constructor.newInstance(Unknown Source)  
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)  
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:404)  
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:317)  
at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38)  
at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:294)  
at org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:974)  
at org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:96)  
at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880)  
at com.inductiveautomation.ignition.gateway.datasource.DatasourceImpl.getConnectionInternal(DatasourceImpl.java:224)  
at com.inductiveautomation.ignition.gateway.datasource.DatasourceImpl.runTest(DatasourceImpl.java:180)  
at com.inductiveautomation.ignition.gateway.datasource.DatasourceManagerImpl$FaultedDatasourceRetryer$1.run(DatasourceManagerImpl.java:1031)  
at com.inductiveautomation.ignition.common.execution.impl.BasicExecutionEngine$TrackedTask.run(BasicExecutionEngine.java:594)  
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)  
at java.util.concurrent.FutureTask.runAndReset(Unknown Source)  
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown Source)  
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)  
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)  
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)  
at java.lang.Thread.run(Unknown Source)  
Caused by: java.net.ConnectException: Connection refused: connect  
at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)  
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)  
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)  
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)  
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)  
at java.net.PlainSocketImpl.connect(Unknown Source)  
at java.net.SocksSocketImpl.connect(Unknown Source)  
at java.net.Socket.connect(Unknown Source)  
at sun.reflect.GeneratedMethodAccessor39.invoke(Unknown Source)  
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)  
at java.lang.reflect.Method.invoke(Unknown Source)  
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:332)  
at com.mysql.jdbc.MysqlIO.(MysqlIO.java:305)  
… 27 more

7.9.0 (b2016101208)  
Oracle Corporation 1.8.0\_121