Resolve application library named XXX already exists exception

sh41 · sh41 · commit 3d53a5d76efa · 2025-12-03T01:59:59.000Z
java.lang.IllegalStateException: application library named Erlang for Elixir 24 already exists
	at com.intellij.workspaceModel.ide.impl.legacyBridge.library.GlobalLibraryTableDelegate.createLibrary$intellij_platform_projectModel_impl(GlobalLibraryTableDelegate.kt:155)
	at com.intellij.workspaceModel.ide.impl.legacyBridge.library.GlobalLibraryTableBridgeImpl.createLibrary(GlobalLibraryTableBridgeImpl.kt:61)
	at org.elixir_lang.facet.sdks.Configurable$addListeners$listener$1.sdkAdded$lambda$1$0(Configurable.kt:126)
diff --git a/src/org/elixir_lang/facet/sdks/Configurable.kt b/src/org/elixir_lang/facet/sdks/Configurable.kt
@@ -123,8 +123,9 @@ abstract class Configurable: SearchableConfigurable, com.intellij.openapi.option
             override fun sdkAdded(sdk: Sdk) {
                 LibraryTablesRegistrar.getInstance().libraryTable.let { libraryTable ->
                     ApplicationManager.getApplication().runWriteAction {
-                        libraryTable.createLibrary(sdk.name).modifiableModel.apply {
-                            addRoots(sdk)
+                            val library = libraryTable.getLibraryByName(sdk.name) ?: libraryTable.createLibrary(sdk.name)
+                            library.modifiableModel.apply {
+                                replaceRoots(sdk)
                             commit()
                         }
                     }
@@ -203,7 +204,7 @@ abstract class Configurable: SearchableConfigurable, com.intellij.openapi.option
 
 private fun Library.ModifiableModel.addRoots(roots: Array<VirtualFile>) =
         roots.forEach {
-            addRoot(it, com.intellij.openapi.roots.OrderRootType.CLASSES)
+            addRoot(it, OrderRootType.CLASSES)
         }
 
 private fun Library.ModifiableModel.clearRoots() {

Original file line number	Diff line number	Diff line change
`@@ -123,8 +123,9 @@ abstract class Configurable: SearchableConfigurable, com.intellij.openapi.option`
`123`	`123`	`override fun sdkAdded(sdk: Sdk) {`
`124`	`124`	`LibraryTablesRegistrar.getInstance().libraryTable.let { libraryTable ->`
`125`	`125`	`ApplicationManager.getApplication().runWriteAction {`
`126`		`- libraryTable.createLibrary(sdk.name).modifiableModel.apply {`
`127`		`- addRoots(sdk)`
	`126`	`+ val library = libraryTable.getLibraryByName(sdk.name) ?: libraryTable.createLibrary(sdk.name)`
	`127`	`+ library.modifiableModel.apply {`
	`128`	`+ replaceRoots(sdk)`
`128`	`129`	`commit()`
`129`	`130`	`}`
`130`	`131`	`}`
`@@ -203,7 +204,7 @@ abstract class Configurable: SearchableConfigurable, com.intellij.openapi.option`
`203`	`204`
`204`	`205`	`private fun Library.ModifiableModel.addRoots(roots: Array<VirtualFile>) =`
`205`	`206`	`roots.forEach {`
`206`		`- addRoot(it, com.intellij.openapi.roots.OrderRootType.CLASSES)`
	`207`	`+ addRoot(it, OrderRootType.CLASSES)`
`207`	`208`	`}`
`208`	`209`
`209`	`210`	`private fun Library.ModifiableModel.clearRoots() {`