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I am unable to faithfully reproduce this bug. This is occuring in QBuild NetBeansIDE-dev-200204040100.zip The steps seems to be: - add a class from a package not on well-known package list to a file - run import management tool (settings detailed below) - since package is not yet on list it will not be able to find the package it belongs to. - Tools->Options+Editing+Java Sources+Import Management Tool Settings+List of Well-Known Packages add the package for the class. You may need to move this up in the list to replicate the bug. - close options window - run import management tool, the class is now found. - click Ok. - NetBeans will now hang. Import Management Tool Settings: Guessing Strategy for Unresolved Identifiers: Search in Well-Known Packages Maximum of Fully Qualified Names in Source: 0 Number of Single-Name Imports: 300 Remove Unused Import Clause: True
If it happens again, could you, please, attach a thread dump here ? This is done from the java console window by pressing Ctrl-Break on Windows. You need to run "runide.exe" instead of "runidew.exe" to get a visible Java console window. The thread dump will shows the exact threads that are locked up and will greatly help to fix the bug.
Closing as works-for-me. Once you have thread dump, please, reopen this issue and attach your thread dump.
Resolved for 3.4.x or earlier, no new info since then -> closing.