[HOP-4250] Hop GUI log browser NPE

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.0
• Fix Version/s: 2.1.0
• Component/s: Hop GUI
• Assignee: Matt Casters
• Reporter: Matt Casters
• Created: 29/Sep/22 06:43
• Updated: 03/Oct/22 14:39
• Resolved: 03/Oct/22 14:39

Description

With slow writing to a execution information location it's possible that there isn't a log channel yet to report on in the logging tab of a workflow or pipeline.

This throws a NPE:

Error in the Hop GUI : Failed to execute runnable (java.lang.NullPointerException)

org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.NullPointerException)

        at org.eclipse.swt.SWT.error(SWT.java:4918)

        at org.eclipse.swt.SWT.error(SWT.java:4833)

        at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)

        at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:5000)

        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4480)

        at org.apache.hop.ui.hopgui.HopGui.open(HopGui.java:404)

        at org.apache.hop.ui.hopgui.HopGui.main(HopGui.java:305)

Caused by: java.lang.NullPointerException

        at org.apache.hop.ui.hopgui.file.pipeline.HopGuiLogBrowser$1.lambda$run$0(HopGuiLogBrowser.java:92)

        at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40)

        at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:132)

        ... 4 more