# TagHistoryDatasourceSink

**URL:** <https://forum.inductiveautomation.com/t/taghistorydatasourcesink/25847>\
**Category:** Ignition\
**Created:** [June 16, 2019, 12:29am UTC](https://forum.inductiveautomation.com/t/taghistorydatasourcesink/25847 "2019-06-16T00:29:10Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![jreynolds](https://avatars.discourse-cdn.com/v4/letter/j/58956e/32.png) [@jreynolds](https://forum.inductiveautomation.com/u/jreynolds)\
**Post date:** [June 16, 2019, 12:29am UTC](https://forum.inductiveautomation.com/t/taghistorydatasourcesink/25847/1 "2019-06-16T00:29:10Z")

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I have this warning that keeps appearing in my log, however nothing shows in the store and forward as quarantined… I believe this was generated from an eariler issue where I was trying to write data to a MSSQL using a MySQL translator, so I’m assuming everything is hung. I just don’t know where to look to clear the errors.

[http://forum.inductiveautomation.com/t/taghistorydatasourcesink-error-initializing-data-sink/3636](http://forum.inductiveautomation.com/t/taghistorydatasourcesink-error-initializing-data-sink/3636)

```auto
java.lang.NullPointerException: null

at com.inductiveautomation.gateway.tags.history.storage.TagHistoryDatasourceSink.checkTables(TagHistoryDatasourceSink.java:1043)

at com.inductiveautomation.gateway.tags.history.storage.TagHistoryDatasourceSink.initialize(TagHistoryDatasourceSink.java:237)

at com.inductiveautomation.gateway.tags.history.storage.TagHistoryDatasourceSink.lambda$initialize$0(TagHistoryDatasourceSink.java:249)

at com.inductiveautomation.ignition.common.execution.impl.BasicExecutionEngine$ThrowableCatchingRunnable.run(BasicExecutionEngine.java:518)

at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)

at java.base/java.util.concurrent.FutureTask.run(Unknown Source)

at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)

at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

at java.base/java.lang.Thread.run(Unknown Source)

```

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<div class="post-metadata">

**Author:** ![paul-griffith](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/paul-griffith/32/37249_2.png) [@paul-griffith](https://forum.inductiveautomation.com/u/paul-griffith)\
**Post date:** [June 17, 2019, 3:21pm UTC](https://forum.inductiveautomation.com/t/taghistorydatasourcesink/25847/2 "2019-06-17T15:21:04Z")

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Try exporting and reimporting the quarantined data. Also, what version of Ignition are you using?

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<div class="post-metadata">

**Author:** ![jreynolds](https://avatars.discourse-cdn.com/v4/letter/j/58956e/32.png) [@jreynolds](https://forum.inductiveautomation.com/u/jreynolds)\
**Post date:** [June 17, 2019, 10:23pm UTC](https://forum.inductiveautomation.com/t/taghistorydatasourcesink/25847/3 "2019-06-17T22:23:35Z")

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Ignition Version is : **8.0.2 (b2019060511)**

Status page says there is quarantined data:

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/2X/1/1e73afa6d14865585a614f77a2e48964d727c27c.png)

Store and Forward says there isn’t any data:

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/2X/1/1c0588bab87bdfd9e2fde727d486e8091dbbbac6.png)

Not sure where to proceed from here…