[jboss-jira] [JBoss JIRA] (WFCORE-1542) JDBC_PING can use a JNDI database connection because it is closed on shutdown

[Matthew Casperson (JIRA)]

Matthew Casperson created WFCORE-1542:
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             Summary: JDBC_PING can use a JNDI database connection because it is closed on shutdown
                 Key: WFCORE-1542
                 URL: https://issues.jboss.org/browse/WFCORE-1542
             Project: WildFly Core
          Issue Type: Feature Request
            Reporter: Matthew Casperson


If you configure the JDBC_PING protocol in JGroups to use a datasource provided by WildFly via the *datasource_jndi_name* setting, you'll get the following exception when WildFly is shutdown:

{code}
[Server:main-server] 2016-05-10 11:05:45+1000 ERROR [[org.jgroups.protocols.JDBC_PING]] [[MSC service thread 1-4]] Could not open connection to database: java.sql.SQLException: javax.resource.ResourceException: IJ000470: You are trying to use a connection factory that has been shut down: java:/comp/env/jdbc/jgroups
[Server:main-server]    at org.jboss.jca.adapters.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:146)
[Server:main-server]    at org.jboss.as.connector.subsystems.datasources.WildFlyDataSource.getConnection(WildFlyDataSource.java:66)
[Server:main-server]    at org.jgroups.protocols.JDBC_PING.getConnection(JDBC_PING.java:348)
[Server:main-server]    at org.jgroups.protocols.JDBC_PING.delete(JDBC_PING.java:379)
[Server:main-server]    at org.jgroups.protocols.JDBC_PING.deleteSelf(JDBC_PING.java:395)
[Server:main-server]    at org.jgroups.protocols.JDBC_PING.stop(JDBC_PING.java:144)
[Server:main-server]    at org.jgroups.stack.ProtocolStack.stopStack(ProtocolStack.java:1015)
[Server:main-server]    at org.jgroups.JChannel.stopStack(JChannel.java:1002)
[Server:main-server]    at org.jgroups.JChannel.disconnect(JChannel.java:373)
[Server:main-server]    at org.wildfly.clustering.jgroups.spi.service.ChannelConnectorBuilder.stop(ChannelConnectorBuilder.java:103)
[Server:main-server]    at org.jboss.msc.service.ServiceControllerImpl$StopTask.stopService(ServiceControllerImpl.java:2056)
[Server:main-server]    at org.jboss.msc.service.ServiceControllerImpl$StopTask.run(ServiceControllerImpl.java:2017)
[Server:main-server]    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[Server:main-server]    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[Server:main-server]    at java.lang.Thread.run(Thread.java:745)
[Server:main-server] Caused by: javax.resource.ResourceException: IJ000470: You are trying to use a connection factory that has been shut down: java:/comp/env/jdbc/jgroups
[Server:main-server]    at org.jboss.jca.core.connectionmanager.AbstractConnectionManager.allocateConnection(AbstractConnectionManager.java:735)
[Server:main-server]    at org.jboss.jca.adapters.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:138)
[Server:main-server]    ... 14 more
{code}

The solution is to configure the database connection directly, but then it seems that you loose the ability to use features like database connection validation, reconnection and the other settings provided by a WildFly datasource the improve the reliability of a database connection.



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