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org.apache.commons.vfs2.FileSystemException: Could not connect to SFTP server at "sftp://myserver:9922/". at org.apache.commons.vfs2.provider.sftp.SftpFileProvider.doCreateFileSystem(SftpFileProvider.java:108) at org.apache.commons.vfs2.provider.AbstractOriginatingFileProvider.getFileSystem(AbstractOriginatingFileProvider.java:102) at org.apache.commons.vfs2.provider.AbstractOriginatingFileProvider.findFile(AbstractOriginatingFileProvider.java:80) at org.apache.commons.vfs2.provider.AbstractOriginatingFileProvider.findFile(AbstractOriginatingFileProvider.java:64) at org.apache.commons.vfs2.impl.DefaultFileSystemManager.resolveFile(DefaultFileSystemManager.java:698) at org.apache.commons.vfs2.impl.DefaultFileSystemManager.resolveFile(DefaultFileSystemManager.java:624) at com.jetbrains.plugins.webDeployment.connections.RemoteConnectionPool.createConnection(RemoteConnectionPool.java:139) at com.jetbrains.plugins.webDeployment.connections.RemoteConnectionManager.openConnection(RemoteConnectionManager.java:103) at com.jetbrains.plugins.webDeployment.PublishUtils$1$1.run(PublishUtils.java:115) at com.intellij.openapi.application.impl.ApplicationImpl$8.run(ApplicationImpl.java:419) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:724) at com.intellij.openapi.application.impl.ApplicationImpl$1$1.run(ApplicationImpl.java:149)Caused by: org.apache.commons.vfs2.FileSystemException: Could not connect to SFTP server at "myserver". at org.apache.commons.vfs2.provider.sftp.SftpClientFactory.createConnection(SftpClientFactory.java:276) at org.apache.commons.vfs2.provider.sftp.SftpFileProvider.doCreateFileSystem(SftpFileProvider.java:97) ... 16 moreCaused by: com.jcraft.jsch.JSchException: Algorithm negotiation fail at com.jcraft.jsch.Session.receive_kexinit(Session.java:582) at com.jcraft.jsch.Session.connect(Session.java:320) at com.jcraft.jsch.Session.connect(Session.java:183) at org.apache.commons.vfs2.provider.sftp.SftpClientFactory.createConnection(SftpClientFactory.java:272) ... 17 more