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Posted to notifications@netbeans.apache.org by "mbien (via GitHub)" <gi...@apache.org> on 2025/02/07 17:56:56 UTC

[PR] Fix sporadic CME in gradle JavaToolchainSupport [netbeans]

mbien opened a new pull request, #8226:
URL: https://github.com/apache/netbeans/pull/8226

    - switch to ConcurrentHashMap to avoid computeIfAbsent() throwing CMEs
   
   
   Noticed it while testing an unrelated PR (https://github.com/apache/netbeans/pull/8223#issuecomment-2636551635). Happened only once, either during project creation or project opening (can't remember).
   
   <details>
   
   <summary>exception</summary>
   
   
   
   ```
   java.util.ConcurrentModificationException
   	at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1230)
   	at org.netbeans.modules.gradle.java.spi.support.JavaToolchainSupport.platformByHome(JavaToolchainSupport.java:70)
   	at org.netbeans.modules.gradle.java.classpath.BootClassPathImpl.createPath(BootClassPathImpl.java:59)
   	at org.netbeans.modules.gradle.java.classpath.AbstractGradleClassPathImpl.getResources(AbstractGradleClassPathImpl.java:108)
   	at org.netbeans.api.java.classpath.ClassPath.entries(ClassPath.java:363)
   	at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.findDependencies(RepositoryUpdater.java:1891)
   	at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.access$2400(RepositoryUpdater.java:135)
   	at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$RootsWork.getDone(RepositoryUpdater.java:4965)
   	at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$InitialRootsWork.getDone(RepositoryUpdater.java:5842)
   [catch] at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doTheWork(RepositoryUpdater.java:3452)
   	at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task._run(RepositoryUpdater.java:6197)
   	at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.access$3400(RepositoryUpdater.java:5855)
   	at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2.lambda$call$0(RepositoryUpdater.java:6116)
   	at org.openide.util.lookup.Lookups.executeWith(Lookups.java:288)
   	at org.netbeans.modules.parsing.impl.RunWhenScanFinishedSupport.performScan(RunWhenScanFinishedSupport.java:83)
   	at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2.call(RepositoryUpdater.java:6116)
   	at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2.call(RepositoryUpdater.java:6112)
   	at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)
   	at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)
   	at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)
   	at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)
   	at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.run(RepositoryUpdater.java:6112)
   	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
   	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
   	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1403)
   	at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:45)
   	at org.openide.util.lookup.Lookups.executeWith(Lookups.java:287)
   	at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2018)
   
   ```
   
   </details>


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Re: [PR] Fix sporadic CME in gradle JavaToolchainSupport [netbeans]

Posted by "mbien (via GitHub)" <gi...@apache.org>.
mbien merged PR #8226:
URL: https://github.com/apache/netbeans/pull/8226


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