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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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