microsoft / microsoft/azure-tools-for-java

[IntelliJ][ReportedByUser] Uncaught Exception Unable to load io.netty.resolver.dns.macos.MacOSDnsServerAddressStreamProvider, fallback to system defaults. This may result in incorrect DNS resolutions on MacOS. java.lang.reflect.InvocationTargetException

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Dominant language
Java
Stars
262
Forks
185
Avg merge
2d 21h
Merged PRs (30d)
1

Description

IntelliJ build version: 2021.1.3 IU-211.7628.21
OS: Mac OS X
JDK: JetBrains s.r.o. 11.0.11
Plugin version: 3.58.0-2021.1
Additional Info: None
Parent component:

com.intellij.openapi.wm.impl.IdeRootPane[,0,0,1440x900,invalid,layout=javax.swing.JRootPane$RootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=449,maximumSize=,minimumSize=,preferredSize=]

Error message:

IdeaLoggingEvent[message=Unable to load io.netty.resolver.dns.macos.MacOSDnsServerAddressStreamProvider, fallback to system defaults. This may result in incorrect DNS resolutions on MacOS., throwable=java.lang.reflect.InvocationTargetException
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at com.microsoft.aad.msal4j.HttpHelper.executeHttpRequestWithRetries(HttpHelper.java:86)
	at com.microsoft.aad.msal4j.HttpHelper.executeHttpRequest(HttpHelper.java:64)
	at com.microsoft.aad.msal4j.AadInstanceDiscoveryProvider.httpRequest(AadInstanceDiscoveryProvider.java:175)
	at com.microsoft.aad.msal4j.AadInstanceDiscoveryProvider.sendInstanceDiscoveryRequest(AadInstanceDiscoveryProvider.java:157)
	at com.microsoft.aad.msal4j.AadInstanceDiscoveryProvider.doInstanceDiscover

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the reported IntelliJ, macOS, JDK, and plugin versions, then trace the failure from com.microsoft.aad.msal4j.HttpHelper.executeHttpRequestWithRetries to the MacOSDnsServerAddressStreamProvider load error. Reproduce the Azure instance-discovery request on the listed environment and determine whether the DNS warning affects the request; done requires a confirmed diagnosis or a reproducible fix.

Written by the indexing model from the issue text.

Assessment

Tech stack
azure, java
Domain
authentication, cloud
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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