Since we has updated jenkins to Jenkins 2.299 we get many of following warnigns. What can be the reason for thath. Or where can I found the source code, which WorkspaceLocatorImpl, than I can anylyze it self.

thx.

 
Jun 28, 2021 6:36:13 PM WARNING jenkins.branch.WorkspaceLocatorImpl locate
could not manage workspaces on hudson.slaves.DumbSlave[3.18_24_7_IndustrialOS_1] java.io.IOException: malformed /home/luaccwrsp/jenkins/workspace/workspaces.txt at jenkins.branch.WorkspaceLocatorImpl.load(WorkspaceLocatorImpl.java:263) at jenkins.branch.WorkspaceLocatorImpl.locate(WorkspaceLocatorImpl.java:180) at jenkins.branch.WorkspaceLocatorImpl.locate(WorkspaceLocatorImpl.java:150) at jenkins.branch.WorkspaceLocatorImpl.locate(WorkspaceLocatorImpl.java:146) at hudson.model.Slave.getWorkspaceFor(Slave.java:353) at hudson.model.WorkspaceCleanupThread.execute(WorkspaceCleanupThread.java:77) at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:101) at java.lang.Thread.run(Thread.java:748)