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[cyberduck:ssh] sftp causes NPE #11074

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cyberduck opened this issue Jun 17, 2020 · 1 comment
Closed

[cyberduck:ssh] sftp causes NPE #11074

cyberduck opened this issue Jun 17, 2020 · 1 comment
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bug fixed sftp SFTP Protocol Implementation

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@cyberduck
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b2c635c created the issue

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!
@cyberduck
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@dkocher commented

The dependency has since been updated in cc78eb0.

@iterate-ch iterate-ch locked as resolved and limited conversation to collaborators Nov 27, 2021
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