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https://issues.apache.org/jira/browse/VFS-113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12510167
]
vikas edited comment on VFS-113 at 7/4/07 6:14 AM:
---------------------------------------------------
Hi Mario Ivankovits
I am using commons-vfs-20070703.jar
I am facing this problem as in above comments:
Please give me some suggestion on this issue .
What can i do to resolve this problem in secure ftp.
there is any another way to resolve this problem.
org.apache.commons.vfs.FileSystemException: Could not read file
"sftp://maan:[EMAIL PROTECTED]/transport/source/students1.txt".
at
org.apache.commons.vfs.provider.AbstractFileObject.getInputStream(AbstractFileObject.java:1163)
at
org.apache.commons.vfs.provider.DefaultFileContent.getInputStream(DefaultFileContent.java:360)
at
com.adeptia.indigo.services.transport.ftp.SecuredFtp.download(SecuredFtp.java:161)
at
com.adeptia.indigo.services.transport.ftp.FtpSource.createInputStream(FtpSource.java:179)
at
com.adeptia.indigo.services.transport.support.AbstractStreamSource.initialize(AbstractStreamSource.java:44)
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.initialize(Unknown Source)
at com.adeptia.indigo.jelly.ActivityTag.runSync(ActivityTag.java:313)
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)
Caused by: org.apache.commons.vfs.FileSystemException: Could not connect to
SFTP server at "sftp://maan:[EMAIL PROTECTED]/".
at
org.apache.commons.vfs.provider.sftp.SftpFileSystem.getChannel(SftpFileSystem.java:144)
at
org.apache.commons.vfs.provider.sftp.SftpFileObject.doGetInputStream(SftpFileObject.java:380)
at
org.apache.commons.vfs.provider.AbstractFileObject.getInputStream(AbstractFileObject.java:1159)
... 53 more
Caused by: com.jcraft.jsch.JSchException: java.io.IOException: inputstream is
closed
at com.jcraft.jsch.ChannelSftp.start(Unknown Source)
at com.jcraft.jsch.Channel.connect(Unknown Source)
at com.jcraft.jsch.Channel.connect(Unknown Source)
at
org.apache.commons.vfs.provider.sftp.SftpFileSystem.getChannel(SftpFileSystem.java:123)
... 55 more
Caused by: java.io.IOException: inputstream is closed
at com.jcraft.jsch.ChannelSftp.fill(Unknown Source)
at com.jcraft.jsch.ChannelSftp.header(Unknown Source)
... 59 more
2007-07-04 16:41:59,984 ERROR [Flow Thread(192168001166118354716240600002)]
flow com.adeptia.indigo.jelly.ActivityTag.runSync(ActivityTag.java:320) -
Process_Flow_For_SecureFTP|FTP_Source_Secure_Test|FtpSource|Failed|administrators|192168001166118294134403100005|192168001166118354716031200001|192168001166118294076370300003||admin|Error
initializing activity
FtpSource:FTP_Source_Secure_Test:192168001166118294076370300003[Could not read
file "sftp://maan:[EMAIL PROTECTED]/transport/source/students1.txt".]|wshost
org.apache.commons.vfs.FileSystemException: Could not read file
"sftp://maan:[EMAIL PROTECTED]/transport/source/students1.txt".
please help me regards this
was:
Hi Mario Ivankovits
I am using commons-vfs-20070703.jar
I am facing this problem
Exception ************************
org.apache.commons.vfs.FileSystemException: Could not connect to SFTP server at
"sftp://maan:[EMAIL PROTECTED]/".
org.apache.commons.vfs.FileSystemException: Could not connect to SFTP server at
"sftp://maan:[EMAIL PROTECTED]/".
at
org.apache.commons.vfs.provider.sftp.SftpFileProvider.doCreateFileSystem(SftpFileProvider.java:99)
at
org.apache.commons.vfs.provider.AbstractOriginatingFileProvider.findFile(AbstractOriginatingFileProvider.java:81)
at
org.apache.commons.vfs.provider.AbstractOriginatingFileProvider.findFile(AbstractOriginatingFileProvider.java:62)
at
org.apache.commons.vfs.impl.DefaultFileSystemManager.resolveFile(DefaultFileSystemManager.java:641)
at
org.apache.commons.vfs.impl.DefaultFileSystemManager.resolveFile(DefaultFileSystemManager.java:582)
at
com.adeptia.indigo.services.transport.ftp.SecuredFtp.connect(SecuredFtp.java:272)
at
com.adeptia.indigo.services.transport.ftp.SecuredFtp.download(SecuredFtp.java:145)
at
com.adeptia.indigo.services.transport.ftp.FtpSource.createInputStream(FtpSource.java:179)
at
com.adeptia.indigo.services.transport.support.AbstractStreamSource.initialize(AbstractStreamSource.java:44)
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.initialize(Unknown Source)
at com.adeptia.indigo.jelly.ActivityTag.runSync(ActivityTag.java:313)
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)
Caused by: org.apache.commons.vfs.FileSystemException: Could not connect to
SFTP server at "vikas".
at
org.apache.commons.vfs.provider.sftp.SftpClientFactory.createConnection
(SftpClientFactory.java:214)
at
org.apache.commons.vfs.provider.sftp.SftpFileProvider.doCreateFileSystem(SftpFileProvider.java:90)
... 57 more
Caused by: com.jcraft.jsch.JSchException: Session.connect:
java.net.ConnectException: Connection refused: connect
at com.jcraft.jsch.Session.connect(Unknown Source)
at com.jcraft.jsch.Session.connect(Unknown Source)
at
org.apache.commons.vfs.provider.sftp.SftpClientFactory.createConnection(SftpClientFactory.java:210)
... 58 more
com.adeptia.indigo.utils.IndigoException: Could not connect to SFTP server at
"sftp://maan:[EMAIL PROTECTED]/".
at
com.adeptia.indigo.services.transport.ftp.SecuredFtp.connect(SecuredFtp.java:278)
at
com.adeptia.indigo.services.transport.ftp.SecuredFtp.download(SecuredFtp.java:145)
at
com.adeptia.indigo.services.transport.ftp.FtpSource.createInputStream(FtpSource.java:179)
at
com.adeptia.indigo.services.transport.support.AbstractStreamSource.initialize(AbstractStreamSource.java:44)
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.initialize(Unknown Source)
at com.adeptia.indigo.jelly.ActivityTag.runSync(ActivityTag.java:313)
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)
Print Exception**************************
2007-07-04 18:26:49,859 ERROR [Flow Thread(192168001166118355380787500016)]
flow com.adeptia.indigo.jelly.ActivityTag.runSync(ActivityTag.java:320) -
Process_Flow_For_SecureFTP|FTP_Source_Secure_Test|FtpSource|Failed|administrators|192168001166118294134403100005|192168001166118355380753100015|192168001166118294076370300003||admin|Error
initializing activity
FtpSource:FTP_Source_Secure_Test:192168001166118294076370300003[Could not
connect to SFTP server at "sftp://maan:[EMAIL PROTECTED]/".]|wshost
com.adeptia.indigo.utils.IndigoException: Could not connect to SFTP server at
"sftp://maan:[EMAIL PROTECTED]/".
please help me regards this
> NullPointerException during getting InputStream from SftpFileObject
> -------------------------------------------------------------------
>
> Key: VFS-113
> URL: https://issues.apache.org/jira/browse/VFS-113
> Project: Commons VFS
> Issue Type: Bug
> Reporter: Tim Rademacher
> Fix For: 1.1
>
> Attachments: SftpFileObject.diff
>
>
> Hi,
> I experienced unregular NullPointerExceptions while getting an InputStream
> from an SftpFileObject. It only occures in a multithreading environment.
> I made a patch. By now it seems to work!
> Regards,
> Tim
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