mbien opened a new pull request, #7587:
URL: https://github.com/apache/netbeans/pull/7587
- initialize SMO backend only when needed
- bump request timeout to 15s, since the response time is fairly
unpredictable
- java 17 renovation: instanceof, records, Stream/Colleciton API
So I noticed since https://github.com/apache/netbeans/pull/7569 this
exception when NB is started and closed _before_ the maven indexer is
initialized:
```
INFO [org.netbeans.NetigsoModule]: Can't load com.google.gson.JsonElement in
package com.google.gson
java.lang.IllegalStateException: Bundle
"reference:file:ide/modules/com-google-gson.jar" has been uninstalled
at
org.eclipse.osgi.framework.internal.core.AbstractBundle.checkValid(AbstractBundle.java:1175)
at
org.eclipse.osgi.framework.internal.core.BundleHost.checkLoader(BundleHost.java:183)
at
org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:225)
at
org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1212)
at
org.netbeans.core.netigso.NetigsoLoader.doLoadClass(NetigsoLoader.java:89)
[catch] at
org.netbeans.NetigsoModule$DelegateCL.doLoadClass(NetigsoModule.java:236)
at
org.netbeans.ProxyClassLoader.selfLoadClass(ProxyClassLoader.java:260)
at org.netbeans.ProxyClassLoader.doFindClass(ProxyClassLoader.java:189)
at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:140)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:528)
at
org.apache.maven.search.backend.smo.SmoSearchBackendFactory.create(SmoSearchBackendFactory.java:48)
at
org.apache.maven.search.backend.smo.SmoSearchBackendFactory.createDefault(SmoSearchBackendFactory.java:41)
at
org.netbeans.modules.maven.indexer.NexusRepositoryIndexerImpl.<init>(NexusRepositoryIndexerImpl.java:185)
at
java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62)
at
java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:501)
at
java.base/java.lang.reflect.ReflectAccess.newInstance(ReflectAccess.java:132)
at
java.base/jdk.internal.reflect.ReflectionFactory.newInstance(ReflectionFactory.java:259)
at java.base/java.lang.Class.newInstance(Class.java:804)
at
org.openide.util.lookup.implspi.SharedClassObjectBridge.newInstance(SharedClassObjectBridge.java:41)
at
org.openide.util.lookup.MetaInfServicesLookup$Item.getInstance(MetaInfServicesLookup.java:490)
at
org.openide.util.lookup.AbstractLookup$R.allInstances(AbstractLookup.java:1033)
at
org.openide.util.lookup.AbstractLookup$R.allInstances(AbstractLookup.java:1013)
at
org.openide.util.lookup.ProxyLookup$LazyCollection.computeSingleResult(ProxyLookup.java:1348)
at
org.openide.util.lookup.ProxyLookup$LazyCollection.computeDelegate(ProxyLookup.java:1186)
at
org.openide.util.lookup.ProxyLookup$LazyCollection.access$900(ProxyLookup.java:1114)
at
org.openide.util.lookup.ProxyLookup$LazyCollection$1.hasNext(ProxyLookup.java:1314)
at org.netbeans.modules.maven.indexer.OnStop.run(OnStop.java:48)
at
org.openide.util.RequestProcessor$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)
```
I am not completely sure why this happens. The gson wrapper can be found
just fine when `NexusRepositoryIndexerImpl` is initialized normally, but when
it is loaded from for the first time
https://github.com/apache/netbeans/blob/1b31400eaaa7d118ebb7c2b053f0b96c95f987e3/java/maven.indexer/src/org/netbeans/modules/maven/indexer/OnStop.java#L48-L52
it causes the exception. Lazy loading SMO fixes it.
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