[ https://issues.apache.org/jira/browse/VFS-120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12510385 ]
vikas commented on VFS-120: --------------------------- I am facing this problem also. When i stop the ftp-server and restarted it.My activity become hang and i am not receiving any error message. 2007-07-05 20:44:51,078 INFO [Flow Thread(192168001166118364849065600301)] service com.adeptia.indigo.services.AbstractService.execute(AbstractService.java:452) - Process_Flow_For_SecureFTP|FTP_Source_Secure_Test|FtpSource|Running|administrators|192168001166118294134403100005|192168001166118364849037500300|192168001166118294076370300003|192168001166118364849068700307|admin|Execute|wshost 2007-07-05 20:45:24,140 ERROR [Flow Thread(192168001166118364849065600301)] flow com.adeptia.indigo.jelly.ActivityTag.runSync(ActivityTag.java:369) - Process_Flow_For_SecureFTP|FTP_Source_Secure_Test|FtpSource|Failed|administrators|192168001166118294134403100005|192168001166118364849037500300|192168001166118294076370300003||admin|Error in execution for activity FtpSource:FTP_Source_Secure_Test:192168001166118294076370300003[inputstream is closed]|wshost java.io.IOException: inputstream is closed at com.jcraft.jsch.ChannelSftp.fill(Unknown Source) at com.jcraft.jsch.ChannelSftp.header(Unknown Source) at com.jcraft.jsch.ChannelSftp.access$700(Unknown Source) at com.jcraft.jsch.ChannelSftp$2.read(Unknown Source) at java.io.BufferedInputStream.read1(Unknown Source) at java.io.BufferedInputStream.read(Unknown Source) at org.apache.commons.vfs.util.MonitorInputStream.read(MonitorInputStream.java:88) at java.io.BufferedInputStream.read1(Unknown Source) at java.io.BufferedInputStream.read(Unknown Source) at org.apache.commons.vfs.util.MonitorInputStream.read(MonitorInputStream.java:88) at java.io.FilterInputStream.read(Unknown Source) at com.adeptia.indigo.services.transport.support.AbstractStreamSource.writeOutputStreamCallback(AbstractStreamSource.java:112) rethrown as rethrown as com.adeptia.indigo.services.ServiceException: inputstream is closed at com.adeptia.indigo.services.transport.support.AbstractStreamSource.execute(AbstractStreamSource.java:91) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.commons.modeler.BaseModelMBean.invoke(BaseModelMBean.java:483) at com.sun.jmx.mbeanserver.DynamicMetaDataImpl.invoke(Unknown Source) at com.sun.jmx.mbeanserver.MetaDataImpl.invoke(Unknown Source) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(Unknown Source) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(Unknown Source) at com.adeptia.indigo.utils.RemoteMBeanProxy$LocalHandler.invokeOperation(RemoteMBeanProxy.java:441) at com.adeptia.indigo.utils.RemoteMBeanProxy$Handler.invoke(RemoteMBeanProxy.java:294) at $Proxy2.execute(Unknown Source) at com.adeptia.indigo.jelly.ActivityTag.runSync(ActivityTag.java:363) at com.adeptia.indigo.jelly.ActivityTag.doTag(ActivityTag.java:250) at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:278) at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:133) at com.werken.blissed.jelly.JellyActivity.perform(JellyActivity.java:120) at com.werken.blissed.ProcessEngine.enterState(ProcessEngine.java:391) at com.werken.blissed.ProcessEngine.followTransition(ProcessEngine.java:509) at com.werken.blissed.ProcessEngine.checkTransitions(ProcessEngine.java:458) at com.werken.blissed.ProcessEngine.startProcess(ProcessEngine.java:366) at com.werken.blissed.ProcessEngine.spawn(ProcessEngine.java:299) at com.adeptia.indigo.processflow.BlissedProcessFlow.execute(BlissedProcessFlow.java:159) at com.adeptia.indigo.transaction.IndigoTransaction.execute(IndigoTransaction.java:423) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.commons.modeler.BaseModelMBean.invoke(BaseModelMBean.java:483) at com.sun.jmx.mbeanserver.DynamicMetaDataImpl.invoke(Unknown Source) at com.sun.jmx.mbeanserver.MetaDataImpl.invoke(Unknown Source) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(Unknown Source) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(Unknown Source) at javax.management.remote.rmi.RMIConnectionImpl.doOperation(Unknown Source) at javax.management.remote.rmi.RMIConnectionImpl.access$100(Unknown Source) at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(Unknown Source) at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(Unknown Source) at javax.management.remote.rmi.RMIConnectionImpl.invoke(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at sun.rmi.server.UnicastServerRef.dispatch(Unknown Source) at sun.rmi.transport.Transport$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Unknown Source) at sun.rmi.transport.tcp.TCPTransport.handleMessages(Unknown Source) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(Unknown Source) at java.lang.Thread.run(Unknown Source) 2007-07-05 20:45:24,171 INFO [Flow Thread(192168001166118364849065600301)] service com.adeptia.indigo.services.AbstractService.dispose(AbstractService.java:232) - Process_Flow_For_SecureFTP|FTP_Source_Secure_Test|FtpSource|Aborted|administrators|192168001166118294134403100005|192168001166118364849037500300|192168001166118294076370300003|192168001166118364849068700307|admin|Activity disposed. Start Time:2007-07-05 20:44:50 End Time:2007-07-05 20:45:24 Run Time:33 second(s) 453 ms. Operation count:10846208 Bytes Average:324222.28 operations/sec|wshost 2007-07-05 20:45:24,203 ERROR [Flow Thread(192168001166118364849065600301)] flow com.adeptia.indigo.jelly.ActivityTag.runSync(ActivityTag.java:410) - Process_Flow_For_SecureFTP|FTP_Source_Secure_Test|FtpSource|Failed|administrators|192168001166118294134403100005|192168001166118364849037500300|192168001166118294076370300003||admin|Error in disposing activity FtpSource:FTP_Source_Secure_Test:192168001166118294076370300003[Could not close the input stream for file "sftp://maan:[EMAIL PROTECTED]/transport/source/text_100mb.txt".]|wshost org.apache.commons.vfs.FileSystemException: Could not close the input stream for file "sftp://maan:[EMAIL PROTECTED]/transport/source/text_100mb.txt". at org.apache.commons.vfs.provider.DefaultFileContent$FileContentInputStream.close(DefaultFileContent.java:565) at com.adeptia.indigo.services.transport.ftp.FtpSource.dispose(FtpSource.java:201) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.commons.modeler.BaseModelMBean.invoke(BaseModelMBean.java:483) at com.sun.jmx.mbeanserver.DynamicMetaDataImpl.invoke(Unknown Source) at com.sun.jmx.mbeanserver.MetaDataImpl.invoke(Unknown Source) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(Unknown Source) > SFTP-Exception: "com.jcraft.jsch.JSchException: session is down" if the > SFTP-Server was killed and restarted (a normal shutdown of the SFTP-Server > occured no Exception after restart.) > --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- > > Key: VFS-120 > URL: https://issues.apache.org/jira/browse/VFS-120 > Project: Commons VFS > Issue Type: Bug > Affects Versions: 1.0 > Environment: Tomcat 5.5 > JDK 6.0 (build with JDK 5) > commons-vfs-1.0.jar: > Specification-Title: Commons VFS > Implementation-Version: 1.0 > JSCH: jsch-0.1.31.jar > Reporter: Harald Brabenetz > Priority: Critical > Attachments: SftpFileSystem-patch.txt > > > The error occured after restarting if the SFTP-Server was KILLed!!. > With a normal shutdown of the SFTP-Server, no exception after restarting > occured. > I found no function to force the reset of the session in SftpFileSystem.java > There is a function: > DefaultFileSystemManager manager = > (DefaultFileSystemManager)VFS.getManager(); > manager.freeUnusedResources(); > But this works only if AbstractFileSystem.isReleaseable() returns true. > And this this function return only true if all SFTP-FileObject are removed > from the GarbageCollection (finally()-Methode). > I cannot force a GarbageCollection. > So there is no way to handle this Error! I must restart the VM > (ServletContainer). > org.apache.commons.vfs.FileSystemException: Could not copy > "file:///C:/TEMP/....." to "sftp://......". > at > org.apache.commons.vfs.provider.AbstractFileObject.copyFrom(AbstractFileObject.java:902) > at > com.bearingpoint.orf.chat.core.service.ExportManagerImpl.exportChatMessages(Unknown > Source) > at > com.bearingpoint.orf.chat.core.service.ExportManagerImpl.startExportNow(Unknown > Source) > at > com.bearingpoint.orf.chat.core.service.ExportManagerImpl$ExportManagerRunnable.run(Unknown > Source) > at java.lang.Thread.run(Thread.java:595) > Caused by: org.apache.commons.vfs.FileSystemException: Could not write to > "sftp://chat:[EMAIL PROTECTED]/home/chat/chatfile_12.zip". > at > org.apache.commons.vfs.provider.AbstractFileObject.getOutputStream(AbstractFileObject.java:1227) > at > org.apache.commons.vfs.provider.DefaultFileContent.getOutputStream(DefaultFileContent.java:373) > at > org.apache.commons.vfs.provider.DefaultFileContent.getOutputStream(DefaultFileContent.java:356) > at org.apache.commons.vfs.FileUtil.copyContent(FileUtil.java:100) > at > org.apache.commons.vfs.provider.AbstractFileObject.copyFrom(AbstractFileObject.java:893) > ... 4 more > Caused by: org.apache.commons.vfs.FileSystemException: Could not connect to > SFTP server at "sftp://chat:[EMAIL PROTECTED]/". > at > org.apache.commons.vfs.provider.sftp.SftpFileSystem.getChannel(SftpFileSystem.java:144) > at > org.apache.commons.vfs.provider.sftp.SftpFileObject.doGetOutputStream(SftpFileObject.java:402) > at > org.apache.commons.vfs.provider.AbstractFileObject.getOutputStream(AbstractFileObject.java:1219) > ... 8 more > Caused by: com.jcraft.jsch.JSchException: session is down > at com.jcraft.jsch.Session.openChannel(Session.java:756) > at > org.apache.commons.vfs.provider.sftp.SftpFileSystem.getChannel(SftpFileSystem.java:122) > ... 10 more -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]