InvalidClassExceptionInvalidClassException
A serialized class has an incompatible version or invalid format.
LinkageErrorA class has a dependency on another class that has an incompatible change.
The class was compiled against a version of a dependency that is different from what is available at runtime. Method signatures, field types, or class hierarchies may have changed.
Recompile against the correct dependency version. Resolve dependency version conflicts. Use a build tool to manage transitive dependency versions.
InvalidClassExceptionA serialized class has an incompatible version or invalid format.
AccessControlExceptionA security check fails for a specific permission.
ExecutionExceptionAn exception occurred during the execution of a task submitted to an executor.
NoSuchMethodExceptionA method with the specified name and parameter types cannot be found via reflection.
FileNotFoundExceptionThe specified file path does not exist or cannot be opened.
DeadlockTwo or more threads are blocked forever, each waiting for the other to release a lock.