[Cyberduck-trac] [Cyberduck] #11074: [cyberduck:ssh] sftp causes NPE

[Cyberduck]

#11074: [cyberduck:ssh] sftp causes NPE
-------------------------+-------------------------
    Reporter:  umjammer  |      Owner:
        Type:  defect    |     Status:  new
    Priority:  normal    |  Milestone:
   Component:  sftp      |    Version:  7.0.1
    Severity:  normal    |   Keywords:  sftp
Architecture:            |   Platform:  macOS 10.15
-------------------------+-------------------------
 i'm developing an application using cyberduck libraries https://github.com
 /iterate-ch/cyberduck.

 == ■ i got NPE when i used sftp session. ==

 {{{
 java.lang.NullPointerException
     at
 net.schmizz.sshj.sftp.RemoteFile$ReadAheadRemoteFileInputStream.retrieveUnconfirmedRead(RemoteFile.java:252)
     at
 net.schmizz.sshj.sftp.RemoteFile$ReadAheadRemoteFileInputStream.available(RemoteFile.java:331)
     at
 java.nio.channels.Channels$ReadableByteChannelImpl.read(Channels.java:381)
     at
 vavi.nio.file.Util$SeekableByteChannelForReading.read(Util.java:203)
     at
 vavi.nio.file.cyberduck.CyberduckFileSystemDriver$6.read(CyberduckFileSystemDriver.java:291)
 }}}

 * error location is here

 https://github.com/umjammer/vavi-nio-file-
 cyberduck/blob/6c8ba78010086e5593641d3064dab41adff75c2d/src/main/java/vavi/nio/file/cyberduck/CyberduckFileSystemDriver.java#L227-L262

 * program entry point is here

 https://github.com/umjammer/vavi-nio-file-
 cyberduck/blob/6c8ba78010086e5593641d3064dab41adff75c2d/src/test/java/vavi/nio/file/cyberduck/Main2.java

 * my env

 {{{
 ch.cyberduck:ssh:7.0.1
   +- ch.iterate.ssh:sshj:0:22:14
 }}}

 {{{
 $ java -version
 java version "1.8.0_231"
 Java(TM) SE Runtime Environment (build 1.8.0_231-b11)
 Java HotSpot(TM) 64-Bit Server VM (build 25.231-b11, mixed mode)
 }}}

 == ■ i did ==

 * update cyberduck version

 {{{
 ch.cyberduck:ssh:7.4.1
   +- ch.iterate.ssh:sshj:0:22:15
 }}}

 **failed**

 * update sshj

 {{{
 com.hierynomus:sshj:0.29.0
 }}}

 **succeeded**

 but got warning

 {{{
 java.lang.NoSuchMethodError:
 net.schmizz.sshj.sftp.SFTPEngine.supportsServerExtension(Ljava/lang/String;Ljava/lang/String;)Z
         at
 ch.cyberduck.core.sftp.SFTPQuotaFeature.isStatVFSOpenSSHSupported(SFTPQuotaFeature.java:122)
         at
 ch.cyberduck.core.sftp.SFTPQuotaFeature.get(SFTPQuotaFeature.java:55)
         at
 vavi.nio.file.cyberduck.CyberduckFileStore.getQuota(CyberduckFileStore.java:109)
         at
 vavi.nio.file.cyberduck.CyberduckFileStore.getTotalSpace(CyberduckFileStore.java:51)
         at
 vavi.net.fuse.fusejna.JavaNioFileFS.statfs(JavaNioFileFS.java:349)
         at net.fusejna.FuseFilesystem._statfs(FuseFilesystem.java:331)
         at
 net.fusejna.StructFuseOperations$26.callback(StructFuseOperations.java:287)
         at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source)
         at
 sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
         at java.lang.reflect.Method.invoke(Method.java:498)
         at
 com.sun.jna.CallbackReference$DefaultCallbackProxy.invokeCallback(CallbackReference.java:520)
         at
 com.sun.jna.CallbackReference$DefaultCallbackProxy.callback(CallbackReference.java:551)
 }}}

 == ■ i want you ==

 * update cyberduck:ssh's sshj library to 0.29.0 compatible

 Thanks!

--
Ticket URL: <https://trac.cyberduck.io/ticket/11074>
Cyberduck <https://cyberduck.io>
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