microsoft / microsoft/azure-tools-for-java

[IntelliJ] Uncaught Exception java.lang.ClassCastException: class com.intellij.database.view.ui.cloud.jba.LocalDataSourceTemplateConfigurable cannot be cast to class com.intellij.database.dataSource.DataSourceConfigurable (com.intellij.database.view.ui.cl

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Dominant language
Java
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Forks
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Avg merge
2d 21h
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Description

IntelliJ build version: 2026.1.4 IU-261.26222.65
OS: Windows 11
JDK: JetBrains s.r.o. 25.0.3
Plugin version: 3.97.6-2026.1
Additional Info: None
Parent component:

com.intellij.openapi.wm.impl.IdeRootPane[,8,8,1920x1032,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=java.lang.ClassCastException: class com.intellij.database.view.ui.cloud.jba.LocalDataSourceTemplateConfigurable cannot be cast to class com.intellij.database.dataSource.DataSourceConfigurable (com.intellij.database.view.ui.cloud.jba.LocalDataSourceTemplateConfigurable and com.intellij.database.dataSource.DataSourceConfigurable are in unnamed module of loader com.intellij.ide.plugins.cl.PluginClassLoader @7d32638c)
	at com.microsoft.azure.toolkit.intellij.database.dbtools.DatabaseServerParamEditor.getDataSourceConfigurable(DatabaseServerParamEditor.java:215)
	at com.microsoft.azure.toolkit.intellij.da

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Research direction

Start in DatabaseServerParamEditor.java at getDataSourceConfigurable, line 215, and inspect the reported cast from LocalDataSourceTemplateConfigurable to DataSourceConfigurable. Reproduce the exception with IntelliJ IU-261.26222.65, Windows 11, JDK 25.0.3, and plugin 3.97.6-2026.1. Done means the reported ClassCastException no longer occurs.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
databases, devtools
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
38/100

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