ch2dit-byte opened a new issue, #8066:
URL: https://github.com/apache/hop/issues/8066
### Apache Hop version?
2.19.0
### Java version?
openjdk 21
### Operating system
Linux
### What happened?
1. Issue Summary
When executing a workflow with the "Get a file with SFTP" action where:
SFTP Connection is configured via Hop Metadata and selected in the action,
and
Target Folder references an S3 VFS bucket/path configured in Metadata (e.g.,
xxxS3://...),
the workflow fails with a java.lang.ClassCastException at
org.apache.hop.vfs.sftp.SftpConnections.load.
Local vs. Server: The exact same workflow runs successfully in the local
Windows GUI environment (hop-gui), but consistently fails when running in
headless mode on the server (hop-run.sh inside a Docker container).
Workaround Verified: If we configure the SFTP server manually inside the
"Get a file with SFTP" action fields (directly typing IP, Port, Username,
Password) instead of referencing the registered Metadata Connection, the action
executes without any errors.
ERROR: Error getting files from SFTP : class
org.apache.hop.vfs.sftp.metadata.SftpConnection cannot be cast to class
org.apache.hop.vfs.sftp.metadata.SftpConnection
(org.apache.hop.vfs.sftp.metadata.SftpConnection is in unnamed module of loader
org.apache.hop.core.plugins.HopURLClassLoader @1a4aed07;
org.apache.hop.vfs.sftp.metadata.SftpConnection is in unnamed module of loader
org.apache.hop.core.plugins.HopURLClassLoader @b5d7233)
java.lang.ClassCastException: class
org.apache.hop.vfs.sftp.metadata.SftpConnection cannot be cast to class
org.apache.hop.vfs.sftp.metadata.SftpConnection
(org.apache.hop.vfs.sftp.metadata.SftpConnection is in unnamed module of loader
org.apache.hop.core.plugins.HopURLClassLoader @1a4aed07;
org.apache.hop.vfs.sftp.metadata.SftpConnection is in unnamed module of loader
org.apache.hop.core.plugins.HopURLClassLoader @b5d7233)
at org.apache.hop.vfs.sftp.SftpConnections.load(SftpConnections.java:47)
at
org.apache.hop.workflow.actions.sftp.ActionSftp.execute(ActionSftp.java:326)
at org.apache.hop.workflow.Workflow.executeFromStart(Workflow.java:814)
at org.apache.hop.workflow.Workflow.executeFromStart(Workflow.java:987)
at org.apache.hop.workflow.Workflow.executeFromStart(Workflow.java:506)
at org.apache.hop.workflow.Workflow.startExecution(Workflow.java:315)
at
org.apache.hop.workflow.engines.local.LocalWorkflowEngine.startExecution(LocalWorkflowEngine.java:264)
at
org.apache.hop.workflow.actions.workflow.ActionWorkflowRunner.run(ActionWorkflowRunner.java:55)
at java.base/java.lang.Thread.run(Thread.java:1583)
### Issue Priority
Priority: 3
### Issue Component
Component: Hop Server
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