81bf531 created the issue

Stack Trace:
java.lang.ExceptionInInitializerError
at ch.cyberduck.ui.cocoa.CDBrowserController.init(CDBrowserController.java:2121)
at ch.cyberduck.ui.cocoa.CDBrowserController.mount(CDBrowserController.java:2301)
at ch.cyberduck.ui.cocoa.CDBrowserController.mount(CDBrowserController.java:2273)
at ch.cyberduck.ui.cocoa.CDConnectionController.callback(CDConnectionController.java:582)
at ch.cyberduck.ui.cocoa.CDSheetController.sheetDidClose(CDSheetController.java:167)
at com.apple.cocoa.application.NSApplication.endSheetReturnCodeNative(Native Method)
at com.apple.cocoa.application.NSApplication.endSheet(NSApplication.java:367)
at ch.cyberduck.ui.cocoa.CDSheetController.closeSheet(CDSheetController.java:80)
Caused by: org.apache.commons.logging.LogConfigurationException: org.apache.commons.logging.LogConfigurationException: No suitable Log constructor [Ljava.lang.Class;@e312 for org.apache.commons.logging.impl.Log4JLogger
at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:532)
at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:272)
at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:246)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:395)
at com.sshtools.j2ssh.transport.AbstractKnownHostsKeyVerification.(AbstractKnownHostsKeyVerification.java:58)
... 8 more
Caused by: org.apache.commons.logging.LogConfigurationException: No suitable Log constructor [Ljava.lang.Class;@e312 for org.apache.commons.logging.impl.Log4JLogger
at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:432)
at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:525)
... 12 more
Caused by: java.lang.NoClassDefFoundError: org/apache/log4j/Logger
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:1618)
at java.lang.Class.getConstructor0(Class.java:1930)
at java.lang.Class.getConstructor(Class.java:1027)
at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:429)
... 13 more