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https://issues.apache.org/jira/browse/PLC4X-344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17620050#comment-17620050
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Robin commented on PLC4X-344:
-----------------------------
I'd like to bump this issue into attention again. Would love to use an official
release again instead of a patched local clone
> spi.transaction.RequestTransactionManager is not thread safe
> ------------------------------------------------------------
>
> Key: PLC4X-344
> URL: https://issues.apache.org/jira/browse/PLC4X-344
> Project: Apache PLC4X
> Issue Type: Bug
> Components: Driver-S7, PLC4J
> Environment: Siemens IOT 2050, debian. PLC4J via kotlin
> Reporter: Robin
> Priority: Major
> Attachments: PLC4X-344.patch, errorConnect.png
>
>
> When running a s7 connection to an PLC sometimes the connection halts and
> this error is thrown in the log. It seems like the processWorklog function
> uses a thread safe queue but is itself not threadsafe throwing this error.
>
> We're using an single connection to the plc. Reading two datablocks. Each
> datablock is read by a different handler running in a separate thread but
> using the same instance of PLC4J.
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