Transaction 122 timed out without receiving a response

[cyberwaelder1]

Hello,

I am trying to perform an update.

         val settings = ScanSettings.Builder()
                .setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY)
                .setLegacy(false)
                .setReportDelay(500)
                .setUseHardwareBatchingIfSupported(false)
                .build()

            val scanner = BluetoothLeScannerCompat.getScanner()
            scanner.startScan(null, settings, scanCallback)

then I receive always:

I/BLE: onUploadProgressChanged 1635374864707: 13269/285440
W/System.err: io.runtime.mcumgr.exception.McuMgrException: io.runtime.mcumgr.ble.callback.TransactionTimeoutException: Transaction 122 timed out without receiving a response
W/System.err:     at io.runtime.mcumgr.ble.McuMgrBleTransport$2.onFailure(McuMgrBleTransport.java:346)
W/System.err:     at io.runtime.mcumgr.ble.callback.SmpProtocolSessionKt.onFailure$lambda-2(SmpProtocolSession.kt:154)
W/System.err:     at io.runtime.mcumgr.ble.callback.SmpProtocolSessionKt.$r8$lambda$7L6qCCwSP_thKdWCrsPHc5-FQUM(Unknown Source:0)
W/System.err:     at io.runtime.mcumgr.ble.callback.SmpProtocolSessionKt$$ExternalSyntheticLambda0.run(Unknown Source:4)
W/System.err:     at android.os.Handler.handleCallback(Handler.java:938)
W/System.err:     at android.os.Handler.dispatchMessage(Handler.java:99)
W/System.err:     at android.os.Looper.loop(Looper.java:223)
W/System.err:     at android.app.ActivityThread.main(ActivityThread.java:7700)
W/System.err:     at java.lang.reflect.Method.invoke(Native Method)
W/System.err:     at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:612)
W/System.err:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:997)
W/System.err: Caused by: io.runtime.mcumgr.ble.callback.TransactionTimeoutException: Transaction 122 timed out without receiving a response
W/System.err:     at io.runtime.mcumgr.ble.callback.SmpProtocolSession$writer$2$1.invokeSuspend(SmpProtocolSession.kt:102)
W/System.err:     at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
W/System.err:     at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:106)
W/System.err:     at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.kt:571)
W/System.err:     at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.executeTask(CoroutineScheduler.kt:750)
W/System.err:     at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.runWorker(CoroutineScheduler.kt:678)
W/System.err:     at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:665)

Its working with the sample. What will cause this Exception?

[philips77]

Your code snippet is not related. Please paste how you start the dfu process and which version of the library are you using.

I think the timeout may occur if the device is busy, for example erasing the flash memory. Hand a look at

Android-nRF-Connect-Device-Manager/sample/src/main/java/io/runtime/mcumgr/sample/viewmodel/mcumgr/ImageUpgradeViewModel.java

Line 75 in a61a029

mManager.setEstimatedSwapTime(10000);

[lukasbrchl]

Hi @cyberwaelder1, did you solve this issue? We have the same problem and tried to document it more thoroughly in #58.

@philips77 could you advise please?

[philips77]

Sure, let's continue in the other issue.