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[knx] Handle exceptions during initial read (#12520) 

fixes #7239

Signed-off-by: Holger Friedrich <mail@holger-friedrich.de>
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Holger Friedrich 2022-04-08 22:25:14 +02:00 committed by GitHub
parent 972149fb3f
commit 7e35341f23
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1 changed files with 10 additions and 1 deletions
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11
bundles/org.openhab.binding.knx/src/main/java/org/openhab/binding/knx/internal/client/AbstractKNXClient.java
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@ -14,6 +14,7 @@ package org.openhab.binding.knx.internal.client;
import java.time.Duration;
import java.util.Set;
import java.util.concurrent.CancellationException;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ScheduledExecutorService;
@ -291,6 +292,8 @@ public abstract class AbstractKNXClient implements NetworkLinkListener, KNXClien
logger.trace("Sending a Group Read Request telegram for {}", datapoint.getDatapoint().getMainAddress());
processCommunicator.read(datapoint.getDatapoint());
} catch (KNXException e) {
// Note: KnxException does not cover KnxRuntimeException and subclasses KnxSecureException,
// KnxIllegArgumentException
if (datapoint.getRetries() < datapoint.getLimit()) {
readDatapoints.add(datapoint);
logger.debug("Could not read value for datapoint {}: {}. Going to retry.",
@ -299,9 +302,15 @@ public abstract class AbstractKNXClient implements NetworkLinkListener, KNXClien
logger.warn("Giving up reading datapoint {}, the number of maximum retries ({}) is reached.",
datapoint.getDatapoint().getMainAddress(), datapoint.getLimit());
}
} catch (InterruptedException e) {
} catch (InterruptedException | CancellationException e) {
logger.debug("Interrupted sending KNX read request");
return;
} catch (Exception e) {
// Any other exception: Fail gracefully, i.e. notify user and continue reading next DP.
// Not catching this would end the scheduled read for all DPs in case of an error.
// Severity is warning as this is likely caused by a configuration error.
logger.warn("Error reading datapoint {}: {}", datapoint.getDatapoint().getMainAddress(),
e.getMessage());
}
}
}