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commit 6e29d07935f0da03dca1d94275a7c55bb50b362f Author: Thomas Wolf <[email protected]> AuthorDate: Sat Sep 20 16:35:19 2025 +0200 SftpTransferTest: log exceptions I got some flaky runs on this test. No idea what happened, the server first gets a "connection reset" IOException, and then later logs a "IllegalStateException: Not initialized", unfortunately without stack trace. The additional logging will include the stack trace, which will be contained in the test XML for the flaky run. Hopefully that gives some insight as to where this IllegalStateException is coming from. --- .../org/apache/sshd/sftp/client/SftpTransferTest.java | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/sshd-sftp/src/test/java/org/apache/sshd/sftp/client/SftpTransferTest.java b/sshd-sftp/src/test/java/org/apache/sshd/sftp/client/SftpTransferTest.java index e7998524d..b3db683f5 100644 --- a/sshd-sftp/src/test/java/org/apache/sshd/sftp/client/SftpTransferTest.java +++ b/sshd-sftp/src/test/java/org/apache/sshd/sftp/client/SftpTransferTest.java @@ -29,18 +29,25 @@ import java.util.Date; import java.util.List; import org.apache.sshd.client.session.ClientSession; +import org.apache.sshd.common.session.Session; +import org.apache.sshd.common.session.SessionListener; import org.apache.sshd.core.CoreModuleProperties; import org.apache.sshd.sftp.client.fs.SftpFileSystem; +import org.junit.jupiter.api.BeforeAll; import org.junit.jupiter.api.MethodOrderer.MethodName; import org.junit.jupiter.api.TestMethodOrder; import org.junit.jupiter.params.ParameterizedTest; import org.junit.jupiter.params.provider.MethodSource; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; import static org.junit.jupiter.api.Assertions.fail; @TestMethodOrder(MethodName.class) public class SftpTransferTest extends AbstractSftpClientTestSupport { + private static final Logger LOG = LoggerFactory.getLogger(SftpTransferTest.class); + private static final int BUFFER_SIZE = 8192; private long rekeyBlockSize; @@ -56,6 +63,16 @@ public class SftpTransferTest extends AbstractSftpClientTestSupport { return params; } + @BeforeAll + static void logExceptions() { + sshd.addSessionListener(new SessionListener() { + @Override + public void sessionException(Session session, Throwable t) { + LOG.warn("**** Session {} caught exception", session, t); + } + }); + } + @MethodSource("getParameters") @ParameterizedTest(name = "REKEY_BLOCK_SIZE {0}") public void transferIntegrity(long rekeyBlockSize) throws IOException {
