# Gateway upgrade stuck in between

**URL:** <https://forum.inductiveautomation.com/t/gateway-upgrade-stuck-in-between/115402>\
**Category:** Ignition\
**Created:** [May 6, 2026, 11:28am UTC](https://forum.inductiveautomation.com/t/gateway-upgrade-stuck-in-between/115402 "2026-05-06T11:28:26Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![prasoon](https://avatars.discourse-cdn.com/v4/letter/p/ecb155/32.png) [@prasoon](https://forum.inductiveautomation.com/u/prasoon)\
**Post date:** [May 6, 2026, 11:28am UTC](https://forum.inductiveautomation.com/t/gateway-upgrade-stuck-in-between/115402/1 "2026-05-06T11:28:26Z")

</div>

I was upgrading ignition version from 8.3.5 nightly to 8.3.6 stable version but while starting gateway it got stuck in "gateway starting" mode. Also attaching wrapper log.

[wrapper - Copy.log](https://forum.inductiveautomation.com/uploads/short-url/qP00Wr4mXurHrlAnkblc6T4X1Rp.log) (1.8 MB)

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/3/1/31f0c62bb62b6026c5fef6d904baa4335b4cdbbd.png)

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<div class="post-metadata">

**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [May 6, 2026, 11:41am UTC](https://forum.inductiveautomation.com/t/gateway-upgrade-stuck-in-between/115402/2 "2026-05-06T11:41:02Z")

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What kind of upgrade / install was this? With the installer? Zip files?

```python
E [C.BasicExecutionEngine] [15:29:29.139]: One-shot task com.inductiveautomation.ignition.gateway.IgnitionGateway$$Lambda$745/0x0000000080436718@7150ad50 threw uncaught exception. 
java.lang.NoClassDefFoundError: com/inductiveautomation/ignition/common/tags/rpc/TagProviderRpcUtil
	at com.inductiveautomation.ignition.gateway.IgnitionGateway.createRpcImplementation(IgnitionGateway.java:3632)
	at com.inductiveautomation.ignition.gateway.IgnitionGateway.startupInternal(IgnitionGateway.java:1291)
	at com.inductiveautomation.ignition.gateway.redundancy.RedundancyManagerImpl.startup(RedundancyManagerImpl.java:367)
	at com.inductiveautomation.ignition.gateway.IgnitionGateway.initRedundancy(IgnitionGateway.java:807)
	at com.inductiveautomation.ignition.gateway.IgnitionGateway.lambda$initInternal$1(IgnitionGateway.java:720)
	at com.inductiveautomation.ignition.common.execution.impl.BasicExecutionEngine$ThrowableCatchingRunnable.run(BasicExecutionEngine.java:557)
	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$Worker.run(Unknown Source)
	at java.base/java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: com.inductiveautomation.ignition.common.tags.rpc.TagProviderRpcUtil
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(Unknown Source)
	at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(Unknown Source)
	at java.base/java.lang.ClassLoader.loadClass(Unknown Source)
	... 12 common frames omitted

```

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<div class="post-metadata">

**Author:** ![prasoon](https://avatars.discourse-cdn.com/v4/letter/p/ecb155/32.png) [@prasoon](https://forum.inductiveautomation.com/u/prasoon)\
**Post date:** [May 6, 2026, 11:43am UTC](https://forum.inductiveautomation.com/t/gateway-upgrade-stuck-in-between/115402/3 "2026-05-06T11:43:21Z")

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with the installer.