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https://issues.apache.org/jira/browse/CAMEL-24171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Federico Mariani resolved CAMEL-24171.
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Resolution: Fixed
> [camel-plc4x] Plc4XEndpoint doStart called multiple times
> ----------------------------------------------------------
>
> Key: CAMEL-24171
> URL: https://issues.apache.org/jira/browse/CAMEL-24171
> Project: Camel
> Issue Type: Bug
> Components: camel-core
> Affects Versions: 4.21.0
> Reporter: Francesco Spampinato
> Assignee: Federico Mariani
> Priority: Trivial
>
> Hi,
> I'm using camel-plc4x to acquire data from plc machines with a camel
> integration.
> In particular i'm using modbus and s7 protocols to acquire data.
> {code:java}
> from(timer("modbus").period(5000))
> .pollEnrich(plc4x("modbus-tcp://localhost:502")
> .autoReconnect(true)
> .tags(Map.of("coil-1", "RAW(coil:1)")), 5000)
> .routeId("modbus")
> .log(LoggingLevel.INFO, LOG, ">> Message from modbus ${body}"); {code}
> {code:java}
> from(timer("s7").period(5000))
> .pollEnrich(plc4x("s7://localhost:102")
> .autoReconnect(true)
> .tags(Map.of("var1", "RAW(%DB1.DBX0.0:BOOL)")), 5000)
> .routeId("s7")
> .log(LoggingLevel.INFO, LOG, ">> Message from s7${body}"); {code}
> In the modbus route Plc4XEndpoint is started only once when the routes
> start's up.
> This method is only called once
> {code:java}
> @Override
> protected void doStart() throws Exception {
> super.doStart();
> ClassLoader cl = getCamelContext().getApplicationContextClassLoader();
> this.plcDriverManager = new DefaultPlcDriverManager(cl);
> } {code}
> In the s7 routes instead, doStart is called on every poll cycle, causing
> DefaultPlcDriverManager to be reinstantiated and forced to reload all
> available plc protocols.
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