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Re: [cdt-dev] ConcurrentModification Exception
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Can I do all these with natures?
No, sorry. You can detect C, C++ or Java project using natures, but you
cannot use them to collect other information. If project is already
built, you can check its type(lib/exec/static lib) using binary parser.
Of course this is bad method. CProjectDescription should do this work
but this "extra feature" - workspace modification I'd consider as a bug.
Besides that I think that a bad factor is the fact that
CProjectDescriptionManager has 3600 lines of java code!
(In this case it is not a workspace modification problem. Actually, the
problem is that they use
ScannerConfigProfileManager.getInstance().getProfileIds(context) return
without any synchronization - bug)
Try to use any synchronization method to avoid collision. startup
doesn't seem to me the best place for that. Would it be possible to
do it after plugin initialization, it'd be better.
Also, I'm not looking to update any resource, just find out what it's
'type' is. So is there a non-modifying way of getting this info?
Thanks,
Alex Chapiro wrote:
I'd just check project natures. It much more simple and does not
update any resource.
Regards,
Alex
Subs wrote:
Hi,
In my plugin I am trying to determine if a project is a makefile
project (if it is, I do some special processing). I am doing this
during my plugins earlyStartup() method. When doing this, I am
occasionally getting a ConcurrentModificationException. See trace
below:
I have tried 2 different methods to detect a makefile project, but
both result in the same problem.
Method 1:
ICProjectDescription projectDesc =
CoreModel.getDefault().getProjectDescription(project, false);
if (projectDesc == null)
return false;
IConfiguration cfg = ManagedBuildManager.
getConfigurationForDescription(projectDesc
.getDefaultSettingConfiguration());
if (cfg == null)
return false;
return (!cfg.getBuilder().isManagedBuildOn());
Method 2:
private static boolean isProjectType(IProject project, String
type) {
IManagedBuildInfo info =
ManagedBuildManager.getBuildInfo(project);
if (info != null) {
IManagedProject managedProject = info.getManagedProject();
if (managedProject != null) {
IProjectType projectType =
managedProject.getProjectType();
IBuildPropertyValue property = null;
if (projectType != null) {
property = projectType.getBuildArtefactType();
if (property != null) {
String artifactName = property.getId();
if (type != null)
return type.equals(artifactName);
}
} else {
if (type == null)
return true;
}
}
}
return false;
}
Is there a way I can do this without getting the Exception?
null:
java.util.ConcurrentModificationException
at java.util.AbstractList$Itr.checkForComodification(Unknown
Source)
at java.util.AbstractList$Itr.next(Unknown Source)
at
org.eclipse.cdt.make.internal.core.scannerconfig2.ScannerConfigInfoFactory2$BuildProperty.load(ScannerConfigInfoFactory2.java:818)
at
org.eclipse.cdt.make.internal.core.scannerconfig2.ScannerConfigInfoFactory2$BuildProperty.<init>(ScannerConfigInfoFactory2.java:759)
at
org.eclipse.cdt.make.internal.core.scannerconfig2.ScannerConfigInfoFactory2$ScannerConfigInfoSet.load(ScannerConfigInfoFactory2.java:117)
at
org.eclipse.cdt.make.internal.core.scannerconfig2.ScannerConfigInfoFactory2$ScannerConfigInfoSet.<init>(ScannerConfigInfoFactory2.java:93)
at
org.eclipse.cdt.make.internal.core.scannerconfig2.ScannerConfigInfoFactory2.createInfoSet(ScannerConfigInfoFactory2.java:1332)
at
org.eclipse.cdt.make.internal.core.scannerconfig2.ScannerConfigProfileManager.createScannerConfigBuildInfo2Set(ScannerConfigProfileManager.java:219)
at
org.eclipse.cdt.build.internal.core.scannerconfig2.CfgScannerConfigInfoFactory2$CfgInfo.getContainer(CfgScannerConfigInfoFactory2.java:107)
at
org.eclipse.cdt.build.internal.core.scannerconfig2.CfgScannerConfigInfoFactory2$CfgInfo.createMap(CfgScannerConfigInfoFactory2.java:128)
at
org.eclipse.cdt.build.internal.core.scannerconfig2.CfgScannerConfigInfoFactory2$CfgInfo.getInfo(CfgScannerConfigInfoFactory2.java:75)
at
org.eclipse.cdt.build.internal.core.scannerconfig.CfgDiscoveredPathManager.getContextInfo(CfgDiscoveredPathManager.java:417)
at
org.eclipse.cdt.build.internal.core.scannerconfig.CfgDiscoveredPathManager.getContextInfo(CfgDiscoveredPathManager.java:402)
at
org.eclipse.cdt.build.internal.core.scannerconfig.CfgDiscoveredPathManager.getDiscoveredInfo(CfgDiscoveredPathManager.java:160)
at
org.eclipse.cdt.managedbuilder.internal.dataprovider.ProfileInfoProvider.getEntryValues(ProfileInfoProvider.java:65)
at
org.eclipse.cdt.managedbuilder.internal.dataprovider.BuildEntryStorage.getDiscoveredEntries(BuildEntryStorage.java:188)
at
org.eclipse.cdt.managedbuilder.internal.dataprovider.BuildEntryStorage.putEntriesToLevel(BuildEntryStorage.java:181)
at
org.eclipse.cdt.core.settings.model.util.AbstractEntryStorage.initCache(AbstractEntryStorage.java:71)
at
org.eclipse.cdt.core.settings.model.util.AbstractEntryStorage.getEntries(AbstractEntryStorage.java:34)
at
org.eclipse.cdt.managedbuilder.internal.dataprovider.BuildLanguageData.getEntries(BuildLanguageData.java:140)
at
org.eclipse.cdt.core.settings.model.extension.impl.CDefaultLanguageData.getEntriesToCopy(CDefaultLanguageData.java:97)
at
org.eclipse.cdt.core.settings.model.extension.impl.CDefaultLanguageData.createStore(CDefaultLanguageData.java:89)
at
org.eclipse.cdt.core.settings.model.extension.impl.CDefaultLanguageData.copySettingsFrom(CDefaultLanguageData.java:82)
at
org.eclipse.cdt.internal.core.settings.model.CLanguageSettingCache.copySettingsFrom(CLanguageSettingCache.java:47)
at
org.eclipse.cdt.internal.core.settings.model.CLanguageSettingCache.<init>(CLanguageSettingCache.java:37)
at
org.eclipse.cdt.internal.core.settings.model.CFolderDescriptionCache.copyLanguageData(CFolderDescriptionCache.java:71)
at
org.eclipse.cdt.core.settings.model.extension.impl.CDefaultFolderData.copyDataFrom(CDefaultFolderData.java:56)
at
org.eclipse.cdt.internal.core.settings.model.CFolderDescriptionCache.<init>(CFolderDescriptionCache.java:38)
at
org.eclipse.cdt.internal.core.settings.model.CConfigurationDescriptionCache.copyFolderData(CConfigurationDescriptionCache.java:190)
at
org.eclipse.cdt.core.settings.model.extension.impl.CDefaultConfigurationData.copySettingsFrom(CDefaultConfigurationData.java:113)
at
org.eclipse.cdt.internal.core.settings.model.CConfigurationDescriptionCache.loadData(CConfigurationDescriptionCache.java:99)
at
org.eclipse.cdt.internal.core.settings.model.CProjectDescription.loadDatas(CProjectDescription.java:194)
at
org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.loadProjectDescription(CProjectDescriptionManager.java:1034)
at
org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:540)
at
org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:516)
at
org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:508)
at
org.eclipse.cdt.core.model.CoreModel.getProjectDescription(CoreModel.java:1409)
at
com.crt.utils.general.ProjectUtils.isMakeProject(ProjectUtils.java:40)
at
com.crt.config.database.TargetConfig.loadTargetConfig(TargetConfig.java:453)
at
com.crt.config.database.TargetConfigManager.earlyStartup(TargetConfigManager.java:127)
at
org.eclipse.ui.internal.EarlyStartupRunnable.runEarlyStartup(EarlyStartupRunnable.java:87)
at
org.eclipse.ui.internal.EarlyStartupRunnable.run(EarlyStartupRunnable.java:66)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
at org.eclipse.ui.internal.Workbench$54.run(Workbench.java:2190)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
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