java.lang.reflect.UndeclaredThrowableException: null

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

java.lang.reflect.UndeclaredThrowableException: null
at org.xnio.http.HttpUpgrade$HttpUpgradeState.handleUpgrade(HttpUpgrade.java:351)
at org.xnio.http.HttpUpgrade$HttpUpgradeState.access$900(HttpUpgrade.java:112)
at org.xnio.http.HttpUpgrade$HttpUpgradeState$UpgradeResultListener.handleEvent(HttpUpgrade.java:335)
at org.xnio.http.HttpUpgrade$HttpUpgradeState$UpgradeResultListener.handleEvent(HttpUpgrade.java:281)
at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)
at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:87)
at org.xnio.nio.WorkerThread.run(WorkerThread.java:531)

Users with the same issue

You are the first who have seen this exception. Write a tip to help other users and build your expert profile.

Know the solutions? Share your knowledge to help other developers to debug faster.