Gunnar Morling • 12/21/2020

ByteBuffer and the Dreaded NoSuchMethodError

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This technical article investigates a specific Java runtime error (NoSuchMethodError for ByteBuffer.position()) that occurs when code compiled with JDK 9 or later is executed on Java 8. It explains the cause—a change in the method's return type signature between Java versions—and provides a reproduction case and analysis of the bytecode. The article concludes with guidance on how to prevent this compatibility issue in development.

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#versioning #Java #Bytebuffer
ByteBuffer and the Dreaded NoSuchMethodError

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