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https://issues.apache.org/jira/browse/NETBEANS-6467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17495006#comment-17495006
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Mossroy commented on NETBEANS-6467:
-----------------------------------
As a workaround, I could switching to another project group (with other
non-javascript projects), then restart Netbeans.
In this case, there is no exception and no background CPU usage. But the
symptom comes back if I switch back to the project group where I have a
specific javascript project
This project is an open-source one: [https://github.com/kiwix/kiwix-js]
But it's also open in a project group of another computer with no problem (same
OS, same version of Netbeans, also upgraded from 12.0)
> StackOverflowError on each startup, when indexing Javascript
> ------------------------------------------------------------
>
> Key: NETBEANS-6467
> URL: https://issues.apache.org/jira/browse/NETBEANS-6467
> Project: NetBeans
> Issue Type: Bug
> Components: javascript - Editor
> Affects Versions: 12.6
> Environment: Apache Netbeans 12.6 (upgraded from 12.0)
> Ubuntu 20.04.3 (amd64)
> OpenJDK 11.0.13 (provided by Ubuntu)
> Reporter: Mossroy
> Priority: Major
>
> After upgrading from 12.0 to 12.6 (and importing the settings from 12.0), I
> have a StackOverflow error on each startup.
> During the "background scanning of projects", an exception is thrown with
> this stacktrace:
> {code:java}
> java.lang.StackOverflowError
> at java.base/java.util.WeakHashMap.getTable(WeakHashMap.java:350)
> at java.base/java.util.WeakHashMap.get(WeakHashMap.java:398)
> at
> org.openide.util.lookup.MetaInfServicesLookup.beforeLookup(MetaInfServicesLookup.java:121)
> at
> org.openide.util.lookup.AbstractLookup.lookupItem(AbstractLookup.java:402)
> at org.openide.util.lookup.AbstractLookup.lookup(AbstractLookup.java:396)
> at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:281)
> at
> org.netbeans.modules.javascript2.model.JsElementImpl.isInternalFile(JsElementImpl.java:194)
> at
> org.netbeans.modules.javascript2.model.JsElementImpl.isPlatform(JsElementImpl.java:188)
> at
> org.netbeans.modules.javascript2.model.api.IndexedElement$Flag.getFlag(IndexedElement.java:387)
> at
> org.netbeans.modules.javascript2.editor.index.JsIndexer.createDocument(JsIndexer.java:121)
> at
> org.netbeans.modules.javascript2.editor.index.JsIndexer.storeObject(JsIndexer.java:221)
> at
> org.netbeans.modules.javascript2.editor.index.JsIndexer.storeObject(JsIndexer.java:229)
> at
> org.netbeans.modules.javascript2.editor.index.JsIndexer.storeObject(JsIndexer.java:229)
> at
> org.netbeans.modules.javascript2.editor.index.JsIndexer.storeObject(JsIndexer.java:229){code}
> (this last line is repeated around 1000 times)
>
> The background scanning of projects never ends, and consumes a lot of CPU in
> the background
> Removing the cache and restarting Netbeans does not help.
>
> NB: I've set the affected component based on the packages of the stacktrace,
> but am not sure. Feel free to change it if necessary.
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