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Editorial Team
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Asked: 2026-05-13T16:17:16+00:00

In IntelliJ I get this weird error when I try to compile. Cannot find

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In IntelliJ I get this weird error when I try to compile.

Cannot find annotation method 'cascade()' in type 'javax.persistence.ManyToOne': class file for javax.persistence.ManyToOne not found

I know, it seems pretty obvious what the problem is, but having spent too much time on this problem I now turn my trust to you!

I use ideaCommunity-9, where I have created a global library for JBoss, which contains all JBoss jars including ejb3-persistence.jar. My module includes this library, and I have moved it to the top of dependencies.
No otherwhere in classpath I have a javax.persistence.ManyToOne class, and it also opens up in IntelliJ without problems.
If I open the file where I get the compile error, IntelliJ shows no problems and also navigates to the class file on pressing Ctrl+B.
The code is also build with ant and here it works fine.

Besides the above error I get six others along the same path (name in Table, etc.) – all related to JPA. I also get a message saying “Please file a bug to JDC yada yada yada.”

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1 Answer

  1. Editorial Team

    Try to tick a checkbox “export” in your dependencies.

    I mean: “File” menu -> Project Structure -> Modules -> Dependencies, and there you can see libs included to the module. You should also see a checkbox near each lib in column ‘Export’.

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