[Bug]: File compare does not work for cloud objects

[hansva]

Apache Hop version?

2.16

Java version?

17

Operating system

Windows

What happened?

When doing file compare following stack trace is thrown when the objects are not local files.

2026/02/02 08:29:31 [Error]    File compare - Error occurred while comparing file [test:///test/data/sample_1_copy.txt and file [test:///test/data/sample_1_copy.txt]: 
2026/02/02 08:29:31 [Error]    File compare - 
2026/02/02 08:29:31 [Error]    File compare - java.io.EOFException
2026/02/02 08:29:31 [Error]    File compare -  at java.lang.Thread.run (Thread.java:840)
2026/02/02 08:29:31 [Error]    File compare -  at org.apache.hop.ui.hopgui.file.workflow.HopGuiWorkflowGraph.lambda$start$15 (HopGuiWorkflowGraph.java:3925)
2026/02/02 08:29:31 [Error]    File compare -  at org.apache.hop.workflow.engines.local.LocalWorkflowEngine.startExecution (LocalWorkflowEngine.java:249)
2026/02/02 08:29:31 [Error]    File compare -  at org.apache.hop.workflow.Workflow.startExecution (Workflow.java:312)
2026/02/02 08:29:31 [Error]    File compare -  at org.apache.hop.workflow.Workflow.executeFromStart (Workflow.java:452)
2026/02/02 08:29:31 [Error]    File compare -  at org.apache.hop.workflow.Workflow.executeFromStart (Workflow.java:916)
2026/02/02 08:29:31 [Error]    File compare -  at org.apache.hop.workflow.Workflow.executeFromStart (Workflow.java:767)
2026/02/02 08:29:31 [Error]    File compare -  at org.apache.hop.workflow.actions.filecompare.ActionFileCompare.execute (ActionFileCompare.java:176)
2026/02/02 08:29:31 [Error]    File compare -  at org.apache.hop.workflow.actions.filecompare.ActionFileCompare.equalFileContents (ActionFileCompare.java:128)
2026/02/02 08:29:31 [Error]    File compare -  at java.io.DataInputStream.readByte (DataInputStream.java:268)
2026/02/02 08:29:31 [Error]    File compare -  at java.io.DataInputStream.readUnsignedByte (DataInputStream.java:290)
2026/02/02 08:29:31 [Error]    File compare - 
2026/02/02 08:29:31 [Error]    File compare -  at java.lang.Thread.run (Thread.java:840)
2026/02/02 08:29:31 [Error]    File compare -  at org.apache.hop.ui.hopgui.file.workflow.HopGuiWorkflowGraph.lambda$start$15 (HopGuiWorkflowGraph.java:3925)
2026/02/02 08:29:31 [Error]    File compare -  at org.apache.hop.workflow.engines.local.LocalWorkflowEngine.startExecution (LocalWorkflowEngine.java:249)
2026/02/02 08:29:31 [Error]    File compare -  at org.apache.hop.workflow.Workflow.startExecution (Workflow.java:312)
2026/02/02 08:29:31 [Error]    File compare -  at org.apache.hop.workflow.Workflow.executeFromStart (Workflow.java:452)
2026/02/02 08:29:31 [Error]    File compare -  at org.apache.hop.workflow.Workflow.executeFromStart (Workflow.java:916)
2026/02/02 08:29:31 [Error]    File compare -  at org.apache.hop.workflow.Workflow.executeFromStart (Workflow.java:767)
2026/02/02 08:29:31 [Error]    File compare -  at org.apache.hop.workflow.actions.filecompare.ActionFileCompare.execute (ActionFileCompare.java:176)
2026/02/02 08:29:31 [Error]    File compare -  at org.apache.hop.workflow.actions.filecompare.ActionFileCompare.equalFileContents (ActionFileCompare.java:128)
2026/02/02 08:29:31 [Error]    File compare -  at java.io.DataInputStream.readByte (DataInputStream.java:268)
2026/02/02 08:29:31 [Error]    File compare -  at java.io.DataInputStream.readUnsignedByte (DataInputStream.java:290)

Issue Priority

Priority: 2

Issue Component

Component: Actions

[hansva]

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