FTP Secure - Algorithm negotiation fail

Lucee 5.4.1.8 Error (java.io.IOException)

Message

com.jcraft.jsch.JSchAlgoNegoFailException: Algorithm negotiation fail: algorithmName="kex" jschProposal="curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,ext-info-c" serverProposal="diffie-hellman-group1-sha1,diffie-hellman-group14-sha1"

Java Stacktrace

lucee.runtime.exp.NativeException: com.jcraft.jsch.JSchAlgoNegoFailException: Algorithm negotiation fail: algorithmName="kex" jschProposal="curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,ext-info-c" serverProposal="diffie-hellman-group1-sha1,diffie-hellman-group14-sha1"
  at lucee.runtime.net.ftp.SFTPClientImpl.handleFail(SFTPClientImpl.java:394)
  at lucee.runtime.net.ftp.SFTPClientImpl.connect(SFTPClientImpl.java:117)
  at lucee.runtime.net.ftp.FTPWrap.connect(FTPWrap.java:118)
  at lucee.runtime.net.ftp.FTPWrap.<init>(FTPWrap.java:61)
  at lucee.runtime.net.ftp.FTPPoolImpl._get(FTPPoolImpl.java:83)
  at lucee.runtime.net.ftp.FTPPoolImpl.get(FTPPoolImpl.java:38)
  at lucee.runtime.tag.Ftp.getClient(Ftp.java:498)
  at lucee.runtime.tag.Ftp.actionOpen(Ftp.java:622)
  at lucee.runtime.tag.Ftp.doEndTag(Ftp.java:179)
  at schedprocs.dci.dcisitesimport_cfm$cf.udfCall(/schedprocs/DCI/DCISitesImport.cfm:101)
  at lucee.runtime.type.UDFImpl.implementation(UDFImpl.java:112)
  at lucee.runtime.type.UDFImpl._call(UDFImpl.java:350)
  at lucee.runtime.type.UDFImpl.call(UDFImpl.java:223)
  at lucee.runtime.type.scope.UndefinedImpl.call(UndefinedImpl.java:786)
  at lucee.runtime.util.VariableUtilImpl.callFunctionWithoutNamedValues(VariableUtilImpl.java:787)
  at lucee.runtime.PageContextImpl.getFunction(PageContextImpl.java:1775)
  at schedprocs.dci.dcisitesimport_cfm$cf.call(/schedprocs/DCI/DCISitesImport.cfm:9)
  at lucee.runtime.PageContextImpl._doInclude(PageContextImpl.java:1056)
  at lucee.runtime.PageContextImpl._doInclude(PageContextImpl.java:948)
  at lucee.runtime.listener.ClassicAppListener._onRequest(ClassicAppListener.java:65)
  at lucee.runtime.listener.MixedAppListener.onRequest(MixedAppListener.java:45)
  at lucee.runtime.PageContextImpl.execute(PageContextImpl.java:2493)
  at lucee.runtime.PageContextImpl._execute(PageContextImpl.java:2478)
  at lucee.runtime.PageContextImpl.executeCFML(PageContextImpl.java:2449)
  at lucee.runtime.engine.Request.exe(Request.java:45)
  at lucee.runtime.engine.CFMLEngineImpl._service(CFMLEngineImpl.java:1216)
  at lucee.runtime.engine.CFMLEngineImpl.serviceCFML(CFMLEngineImpl.java:1162)
  at lucee.loader.engine.CFMLEngineWrapper.serviceCFML(CFMLEngineWrapper.java:97)
  at lucee.loader.servlet.CFMLServlet.service(CFMLServlet.java:51)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
  at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
  at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:373)
  at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
  at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
  at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1590)
  at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
  at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
  at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
  at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  at java.base/java.lang.Thread.run(Thread.java:834)
 Caused by: java.io.IOException: com.jcraft.jsch.JSchAlgoNegoFailException: Algorithm negotiation fail: algorithmName="kex" jschProposal="curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,ext-info-c" serverProposal="diffie-hellman-group1-sha1,diffie-hellman-group14-sha1"
  ... 51 more
 Caused by: com.jcraft.jsch.JSchAlgoNegoFailException: Algorithm negotiation fail: algorithmName="kex" jschProposal="curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,ext-info-c" serverProposal="diffie-hellman-group1-sha1,diffie-hellman-group14-sha1"
  at com.jcraft.jsch.KeyExchange.guess(KeyExchange.java:155)
  at com.jcraft.jsch.Session.receive_kexinit(Session.java:569)
  at com.jcraft.jsch.Session.connect(Session.java:320)
  at com.jcraft.jsch.Session.connect(Session.java:187)
  at lucee.runtime.net.ftp.SFTPClientImpl.connect(SFTPClientImpl.java:101)
  ... 49 more