SyncProcessorQueue Thread does not shut down cleanly

[nickman]

java.sql.SQLException: Attempting to obtain a connection from a pool that has already been shutdown.
Stack trace of location where pool was shutdown follows:
java.lang.Thread.getStackTrace(Thread.java:1568)
com.jolbox.bonecp.BoneCP.captureStackTrace(BoneCP.java:572)
com.jolbox.bonecp.BoneCP.shutdown(BoneCP.java:161)
com.jolbox.bonecp.BoneCPDataSource.close(BoneCPDataSource.java:143)
net.opentsdb.catalog.datasource.CatalogDataSource.shutdown(CatalogDataSource.java:245)
net.opentsdb.catalog.AbstractDBCatalog.shutdown(AbstractDBCatalog.java:479)
net.opentsdb.catalog.TSDBCatalogSearchEventHandler.shutdown(TSDBCatalogSearchEventHandler.java:224)
org.helios.tsdb.plugins.service.AbstractTSDBPluginService.shutdown(AbstractTSDBPluginService.java:192)
org.helios.tsdb.plugins.shell.RpcService.shutdown(RpcService.java:108)
net.opentsdb.core.TSDB.shutdown(TSDB.java:772)
net.opentsdb.tsd.TSDBJSONService$1.run(TSDBJSONService.java:161)

at com.jolbox.bonecp.AbstractConnectionStrategy.preConnection(AbstractConnectionStrategy.java:52) ~[tsdb-sqlcatalog-0.0.1-SNAPSHOT.jar:na]
at com.jolbox.bonecp.AbstractConnectionStrategy.getConnection(AbstractConnectionStrategy.java:88) ~[tsdb-sqlcatalog-0.0.1-SNAPSHOT.jar:na]
at com.jolbox.bonecp.BoneCP.getConnection(BoneCP.java:553) ~[tsdb-sqlcatalog-0.0.1-SNAPSHOT.jar:na]
at com.jolbox.bonecp.BoneCPDataSource.getConnection(BoneCPDataSource.java:131) ~[tsdb-sqlcatalog-0.0.1-SNAPSHOT.jar:na]
at net.opentsdb.catalog.syncqueue.SyncQueueProcessor.run(SyncQueueProcessor.java:219) ~[tsdb-sqlcatalog-0.0.1-SNAPSHOT.jar:na]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) ~[na:1.7.0_25]
at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:351) ~[na:1.7.0_25]
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178) ~[na:1.7.0_25]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178) ~[na:1.7.0_25]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) ~[na:1.7.0_25]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_25]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) ~[na:1.7.0_25]
at java.lang.Thread.run(Thread.java:724) ~[na:1.7.0_25]