Expected behavior

Open successful

Actual behavior

throw IllegalStateException("Illegal header in zip file")

Steps to reproduce the problem

(please make this a SSCCE, if applicable and reasonable)

Generate the test.zip file

touch empty.txt
zip -fd foo.zip empty.txt
zip -fd test.zip foo.zip

Test open test.zip

void testCrcAndSizeAfterDataEncapsulated()
{
	Poco::FileInputStream inp("test.zip");
	assertTrue(inp.good());

	ZipArchive arch(inp); // failed with exception
	ZipArchive::FileHeaders::const_iterator it = arch.findHeader("foo.zip");
	assertTrue(it != arch.headerEnd());
}

POCO version

1.9.0

Compiler and version

Any

Operating system and version

Any

Other relevant information