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  1. ,
    via javacodegeeks.com by Unknown author

    Causes : The Collection is internally modified, while a thread is iterating over it. OR after the creation of an iterator, the Collection is internally modified by any method other than the iterator’s own methods for removal and addition.

  2. ,
    via oracle.com by Unknown author

    In order to avoid more than one threads accessing or modifying the same object, you can synchronize them over the object, in order to allow only one thread to manipulate it over time.

Solutions on the web

via GitHub by cyberpwnn
, 1 year ago
Plugin FastAsyncWorldEdit v16.08.25-5ed89f9-238 generated an exception while executing task 2495
via GitHub by TheIntelloBox
, 2 years ago
Plugin FastAsyncWorldEdit v3.4.3 generated an exception while executing task 342
via GitHub by EvilOlaf
, 1 year ago
Plugin FastAsyncWorldEdit v3.4.3 generated an exception while executing task 104415
via GitHub by SwiftSwamp
, 1 year ago
Plugin FastAsyncWorldEdit v16.11.17-e16bcae-372-9.11.4 generated an exception while executing task 1547
via GitHub by EvilOlaf
, 2 years ago
Plugin BanManager v5.9.0 generated an exception while executing task 1780056
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