Net.lingala.zip4j.exception.zipexception Zip Headers: Not Found. Probably Not A Zip File

Set the password before any operation.

Skip the SFX stub length manually.

A: No. Zip4j supports standard ZIP and AES-encrypted ZIP. For LZMA, WAVPack, or other extensions, the error will appear. Set the password before any operation

Because of its strict adherence to the ZIP format specification, Zip4j validates the file structure before performing operations. This strictness leads to the zip headers not found exception when something is off—even if the file opens in other tools like 7-Zip or WinRAR. or other extensions