microsoft / microsoft/azure-tools-for-java
[IntelliJ] Uncaught Exception com.intellij.diagnostic.PluginException: org/apache/commons/collections4/CollectionUtils [Plugin: com.microsoft.tooling.msservices.intellij.azure]
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- Java
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Description
IntelliJ build version: 2025.3.4 IU-253.32098.37
OS: Mac OS X
JDK: JetBrains s.r.o. 21.0.10
Plugin version: 3.97.3-2025.3
Additional Info: None
Parent component:
com.intellij.openapi.wm.impl.IdeRootPane[,0,0,1400x842,layout=com.intellij.openapi.wm.impl.IdeRootPane$CustomHeaderRootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=449,maximumSize=,minimumSize=,preferredSize=]
Error message:
IdeaLoggingEvent[message=null, throwable=com.intellij.diagnostic.PluginException: <REDACTED: user-file-path> [Plugin: com.microsoft.tooling.msservices.intellij.azure]
at com.intellij.ide.startup.impl.StartupManagerImplKt$launchActivity$1.invokeSuspend(StartupManagerImpl.kt:517)
Caused by: java.lang.NoClassDefFoundError: <REDACTED: user-file-path>
at com.microsoft.azure.toolkit.lib.common.utils.NetUtils.getMacByCommand(NetUtils.java:97)
at com.microsoft.azure.toolkit.lib.common.utils.NetUtils.getMac(NetUtils.java:88)
at com.microsoft.azure.toolkit.lib.common.utils.InstallationIdUtils.getHashMac(InstallationIdUtils.java:29)
at com.microsoft.azure.toolkit.intellij.common.feedback.RateManager$WhenToPopup.execute(RateManager.java:106)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.collectio
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start at NetUtils.java, especially getMacByCommand and getMac, then trace how InstallationIdUtils.java and RateManager.java reach that path during IntelliJ startup. Investigate why org.apache.commons.collections4.CollectionUtils is unavailable; done means the Azure IntelliJ plugin no longer raises this startup exception in the reported environment.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 43/100