Console Proxy - Failed to connect to server - Unable to decode token

[big3v]

ISSUE TYPE

• Bug Report

COMPONENT NAME

Console Proxy System VM

CLOUDSTACK VERSION

4.19.1.0

CONFIGURATION

consoleproxy.sslEnabled: no
consoleproxy.url.domain: empty
novnc.console.default: yes

OS / ENVIRONMENT

N/A

SUMMARY

When attempting to view the console for a virtual machine instance, the connection to the server fails. This issue prevents users from accessing the console interface of their VMs.

STEPS TO REPRODUCE

1. Navigate to the VM instances page.
2. Select a specific VM instance.
3. Attempt to open the console view for the selected VM.

EXPECTED RESULTS

The console should load and allow interaction with the VM instance.

ACTUAL RESULTS

A connection error occurs, and the console fails to load.

console proxy logs:

2024-07-25 17:38:13,854 ERROR [cloud.consoleproxy.ConsoleProxyPasswordBasedEncryptor] (qtp9703889-42:null) Unexpected exception
javax.crypto.IllegalBlockSizeException: Input length must be multiple of 16 when decrypting with padded cipher
        at java.base/com.sun.crypto.provider.CipherCore.prepareInputBuffer(CipherCore.java:1011)
        at java.base/com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:848)
        at java.base/com.sun.crypto.provider.AESCipher.engineDoFinal(AESCipher.java:446)
        at java.base/javax.crypto.Cipher.doFinal(Cipher.java:2202)
        at com.cloud.consoleproxy.ConsoleProxyPasswordBasedEncryptor.decryptText(ConsoleProxyPasswordBasedEncryptor.java:99)
        at com.cloud.consoleproxy.ConsoleProxyPasswordBasedEncryptor.decryptObject(ConsoleProxyPasswordBasedEncryptor.java:134)
        at com.cloud.consoleproxy.ConsoleProxyHttpHandlerHelper.getQueryMap(ConsoleProxyHttpHandlerHelper.java:52)
        at com.cloud.consoleproxy.ConsoleProxyNoVNCHandler.onConnect(ConsoleProxyNoVNCHandler.java:76)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at org.eclipse.jetty.websocket.common.events.annotated.CallableMethod.call(CallableMethod.java:70)
        at org.eclipse.jetty.websocket.common.events.JettyAnnotatedEventDriver.onConnect(JettyAnnotatedEventDriver.java:178)
        at org.eclipse.jetty.websocket.common.events.AbstractEventDriver.openSession(AbstractEventDriver.java:217)
        at org.eclipse.jetty.websocket.common.WebSocketSession.open(WebSocketSession.java:493)
        at org.eclipse.jetty.websocket.common.WebSocketSession.onOpened(WebSocketSession.java:459)
        at org.eclipse.jetty.io.AbstractConnection.onOpened(AbstractConnection.java:213)
        at org.eclipse.jetty.io.AbstractConnection.onOpen(AbstractConnection.java:205)
        at org.eclipse.jetty.io.AbstractEndPoint.upgrade(AbstractEndPoint.java:444)
        at org.eclipse.jetty.server.HttpConnection.onCompleted(HttpConnection.java:412)
        at org.eclipse.jetty.server.HttpChannel.onCompleted(HttpChannel.java:832)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
        at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
        at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034)
        at java.base/java.lang.Thread.run(Thread.java:829)
2024-07-25 17:38:13,860 ERROR [cloud.consoleproxy.ConsoleProxyHttpHandlerHelper] (qtp9703889-42:null) Unable to decode token

[boring-cyborg]

Thanks for opening your first issue here! Be sure to follow the issue template!

[DaanHoogland]

@big3v , this sounds like a specific error and not common for all VM-consoles / environments. Would you care to give more context to the cause of your issue?
I just tested and it works as expected.