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This bug was originally marked as duplicate of bug 169336, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 6.8 (Build 200912041610) VM: Java HotSpot(TM) 64-Bit Server VM, 16.0-b13, Java(TM) SE Runtime Environment, 1.6.0_18-b07 OS: Windows 7 User Comments: stacyvlasits: Trying to update the IDE because it would not install Ruby Gems. I'm guessing the problems are intimately related. Stacktrace: java.lang.NoClassDefFoundError: org/netbeans/updater/XMLUtil at org.netbeans.modules.autoupdate.updateprovider.AutoupdateCatalogParser.newEntityResolver(AutoupdateCatalogParser.java:123) at org.netbeans.modules.autoupdate.updateprovider.AutoupdateCatalogParser.<init>(AutoupdateCatalogParser.java:92) at org.netbeans.modules.autoupdate.updateprovider.AutoupdateCatalogParser.getUpdateItems(AutoupdateCatalogParser.java:184) at org.netbeans.modules.autoupdate.updateprovider.AutoupdateCatalogProvider.getUpdateItems(AutoupdateCatalogProvider.java:115) at org.netbeans.modules.autoupdate.updateprovider.AutoupdateCatalogProvider.getDescription(AutoupdateCatalogProvider.java:94) at org.netbeans.modules.autoupdate.services.UpdateUnitProviderImpl.getDescription(UpdateUnitProviderImpl.java:108)
Created attachment 97220 [details] stacktrace
*** Bug 185858 has been marked as a duplicate of this bug. ***
Probably related - Issue #168330
Many of the exception reports are from 6.7 and 6.8. There is not much from 6.9, althrough I admit that the http://statistics.netbeans.org/exceptions/exception.do?id=415547 one is scary. There is nothing bad in it, files are at correct position, 6.9 shall be able to detect that a file is not opened due to "too many open file descriptors". But anyway I don't know what is wrong and I'd like to wait for next report.
again in 7.0
*** Bug 199636 has been marked as a duplicate of this bug. ***
The last report says ext/updater.jar is missing. Any explanation why? Btw. as part of bug 199475, I've added more logging to automatically dump content of directory, if a JAR cannot be opened. Thus next time we will know for sure, what is missing, but still not why...
Auto update today left me with an instance of this CNFE. I will attach my "message" and "update" logs. I resolved the issue (I think) by adding the updater.jar found under the installation dir (platform/modules/ext) and putting it in my user's dir (modules/ext).
Created attachment 127774 [details] messages messages file
Created attachment 127775 [details] update